创建仓库

2025-02-26 14:31:38 +08:00 · 2025-02-26 14:31:38 +08:00 · f009d97e6f
commit f009d97e6f
78 changed files with 15092 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,15 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties
--- a/app/.gitignore
+++ b/app/.gitignore
@ -0,0 +1 @@
+/build
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@ -0,0 +1,58 @@
+import java.text.SimpleDateFormat
+import java.util.Date
+
+plugins {
+    alias(libs.plugins.android.application)
+}
+val timestamp: String = SimpleDateFormat("MM_dd_HH_mm").format(Date())
+android {
+    namespace = "com.wallpaper.coolwallpaper"
+    compileSdk = 35
+
+    defaultConfig {
+        applicationId = "com.wallpaper.coolwallpaper"
+        minSdk = 23
+        targetSdk = 35
+        versionCode = 1
+        versionName = "1.0.0"
+        setProperty("archivesBaseName", "Cool Wallpaper_V" + versionName + "(${versionCode})_$timestamp")
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildFeatures {
+        viewBinding = true
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = true
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+}
+
+dependencies {
+
+    implementation(libs.appcompat)
+    implementation(libs.material)
+    implementation(libs.activity)
+    implementation(libs.constraintlayout)
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.ext.junit)
+    androidTestImplementation(libs.espresso.core)
+
+    implementation("com.github.bumptech.glide:glide:4.16.0")
+    annotationProcessor("com.github.bumptech.glide:compiler:4.16.0")
+
+    implementation ("androidx.room:room-runtime:2.6.1")
+    annotationProcessor ("androidx.room:room-compiler:2.6.1")
+
+    implementation ("com.squareup.okhttp3:okhttp:4.12.0")
+}
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@ -0,0 +1,35 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
+
+-keepclassmembers class com.wallpaper.coolwallpaper.MyApplication {
+    public static final java.lang.String DB_NAME;
+    public static final int DB_VERSION;
+}
+
+-keepclassmembers class * {
+    @androidx.room.Query <methods>;
+}
+
+-keep class com.wallpaper.coolwallpaper.database.AppDatabase { *; }
+-keep  class com.wallpaper.coolwallpaper.database.CoolEntity { *; }
+-keep  class com.wallpaper.coolwallpaper.database.CoolEntityDao { *; }
+-keep  class com.wallpaper.coolwallpaper.database.CategoryList { *; }
--- a/app/src/androidTest/java/com/wallpaper/coolwallpaper/ExampleInstrumentedTest.java
+++ b/app/src/androidTest/java/com/wallpaper/coolwallpaper/ExampleInstrumentedTest.java
@ -0,0 +1,26 @@
+package com.wallpaper.coolwallpaper;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        assertEquals("com.wallpaper.coolwallpaper", appContext.getPackageName());
+    }
+}
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.SET_WALLPAPER" />
+    <uses-permission
+        android:name="android.permission.WRITE_EXTERNAL_STORAGE"
+        android:maxSdkVersion="32" />
+
+    <application
+        android:name=".MyApplication"
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.CoolWallpaper"
+        tools:targetApi="31">
+        <activity
+            android:name=".activity.DetailActivity"
+            android:exported="false" />
+        <activity
+            android:name=".activity.WelcomeActivity"
+            android:exported="false" />
+        <activity
+            android:name=".activity.SubListActivity"
+            android:exported="false" />
+        <activity
+            android:name=".activity.MainActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
--- a/app/src/main/assets/wallpapers.json
+++ b/app/src/main/assets/wallpapers.json
--- a/app/src/main/java/com/wallpaper/coolwallpaper/MyApplication.java
+++ b/app/src/main/java/com/wallpaper/coolwallpaper/MyApplication.java
@ -0,0 +1,52 @@
+package com.wallpaper.coolwallpaper;
+
+import android.app.Application;
+import android.content.Context;
+import android.content.SharedPreferences;
+
+import com.wallpaper.coolwallpaper.database.CategoryList;
+import com.wallpaper.coolwallpaper.util.JsonParse;
+import com.wallpaper.coolwallpaper.util.RoomUtils;
+
+import java.util.List;
+import java.util.concurrent.Executors;
+
+public class MyApplication extends Application {
+    public static MyApplication application;
+    public static final int DB_VERSION = 1;
+    public static final String DB_NAME = "cool_database";
+    private static final String PREF_NAME = "app_preferences";
+    private static final String KEY_INIT = "isInit";
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+
+        application = this;
+
+        SharedPreferences sharedPreferences = getSharedPreferences(PREF_NAME, MODE_PRIVATE);
+        boolean isDatabaseInitialized = sharedPreferences.getBoolean(KEY_INIT, false);
+
+        if (!isDatabaseInitialized) {
+            initializeDatabase();
+            sharedPreferences.edit().putBoolean(KEY_INIT, true).apply();
+        }
+
+    }
+
+    public static Context getContext() {
+        return application.getApplicationContext();
+    }
+
+    private void initializeDatabase() {
+        Executors.newSingleThreadExecutor().execute(() -> {
+            List<CategoryList> categoryList = getCategoryList();
+            RoomUtils roomUtils = new RoomUtils(getContext());
+            roomUtils.insertAllImages(categoryList);
+        });
+    }
+
+    public static List<CategoryList> getCategoryList() {
+        return JsonParse.parseJson("wallpapers.json");
+    }
+}
--- a/app/src/main/java/com/wallpaper/coolwallpaper/activity/DetailActivity.java
+++ b/app/src/main/java/com/wallpaper/coolwallpaper/activity/DetailActivity.java
@ -0,0 +1,246 @@
+package com.wallpaper.coolwallpaper.activity;
+
+import static com.wallpaper.coolwallpaper.util.SetAndDownloadUtils.REQUEST_CODE_WRITE_EXTERNAL_STORAGE;
+
+import android.app.WallpaperManager;
+import android.content.pm.PackageManager;
+import android.graphics.Bitmap;
+import android.graphics.drawable.Drawable;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Looper;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.Toast;
+
+import androidx.activity.EdgeToEdge;
+import androidx.annotation.NonNull;
+import androidx.annotation.RequiresApi;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.content.ContextCompat;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.WindowInsetsCompat;
+
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.request.target.CustomTarget;
+import com.bumptech.glide.request.transition.Transition;
+import com.google.android.material.bottomsheet.BottomSheetDialog;
+import com.wallpaper.coolwallpaper.R;
+import com.wallpaper.coolwallpaper.database.CoolEntity;
+import com.wallpaper.coolwallpaper.databinding.ActivityDetailBinding;
+import com.wallpaper.coolwallpaper.util.SetAndDownloadUtils;
+import com.wallpaper.coolwallpaper.util.RoomUtils;
+
+import java.io.IOException;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+public class DetailActivity extends AppCompatActivity {
+    private ActivityDetailBinding binding;
+    private String original;
+    private String source;
+    private CoolEntity coolEntity;
+    private RoomUtils roomUtils;
+    private String name;
+    private Bitmap bitmap;
+    private SetAndDownloadUtils setAndDownloadUtils;
+    private ExecutorService executorService;
+    private Handler handler;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        EdgeToEdge.enable(this);
+        binding = ActivityDetailBinding.inflate(getLayoutInflater());
+        setContentView(binding.getRoot());
+        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main), (v, insets) -> {
+            int navigationBars = insets.getInsets(WindowInsetsCompat.Type.navigationBars()).bottom;
+            v.setPadding(0, 0, 0, navigationBars);
+            return insets;
+        });
+
+        initData();
+        initEvent();
+    }
+
+    private void initData() {
+        coolEntity = (CoolEntity) getIntent().getSerializableExtra("cool");
+        if (coolEntity != null) {
+            original = coolEntity.getOriginal();
+            source = coolEntity.getSource();
+            name = coolEntity.getName();
+        } else {
+            finish();
+        }
+
+        roomUtils = new RoomUtils(this);
+
+        handler = new Handler(Looper.getMainLooper());
+        executorService = Executors.newSingleThreadExecutor();
+
+        setAndDownloadUtils = new SetAndDownloadUtils( binding.progressBar, binding.view);
+    }
+
+    private void initEvent() {
+        showProgress();
+
+        binding.back.setOnClickListener(v -> finish());
+
+        binding.like.setOnClickListener(v -> {
+            boolean newStatus = !coolEntity.getLike();
+            coolEntity.setLike(newStatus);
+            executorService.submit(() -> roomUtils.update(coolEntity));
+        });
+
+        binding.set.setOnClickListener(v -> showCustomBottomSheetDialog());
+
+        binding.downPicture.setOnClickListener(v -> {
+            showProgress();
+            setAndDownloadUtils.setAsWallpaper(DetailActivity.this, source);
+        });
+
+        loadImage();
+        loadFavorite();
+    }
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
+        if (requestCode == REQUEST_CODE_WRITE_EXTERNAL_STORAGE) {
+            if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
+                setAndDownloadUtils.setAsWallpaper(this, source);
+            } else {
+                Toast.makeText(this, "Write permission to external storage is denied", Toast.LENGTH_SHORT).show();
+            }
+        }
+    }
+
+    private void showCustomBottomSheetDialog() {
+        BottomSheetDialog bottomSheetDialog = new BottomSheetDialog(this);
+        View dialogView = LayoutInflater.from(this).inflate(R.layout.detail_dialog, null);
+
+        dialogView.findViewById(R.id.both).setOnClickListener(v -> {
+            handleWallpaperAction(bitmap, WallpaperManager.FLAG_SYSTEM | WallpaperManager.FLAG_LOCK);
+            bottomSheetDialog.dismiss();
+        });
+
+        dialogView.findViewById(R.id.lock).setOnClickListener(v -> {
+            handleWallpaperAction(bitmap, WallpaperManager.FLAG_LOCK);
+            bottomSheetDialog.dismiss();
+        });
+
+        dialogView.findViewById(R.id.desktop).setOnClickListener(v -> {
+            handleWallpaperAction(bitmap, WallpaperManager.FLAG_SYSTEM);
+            bottomSheetDialog.dismiss();
+        });
+
+        bottomSheetDialog.setContentView(dialogView);
+        bottomSheetDialog.show();
+    }
+
+    private void handleWallpaperAction(Bitmap bitmap, int flag) {
+        showProgress();
+        executorService.submit(() -> {
+            boolean isSuccess = false;
+            try {
+                isSuccess = setWallpaper(bitmap, flag);
+            } catch (Exception e) {
+                e.printStackTrace();
+            } finally {
+                boolean finalIsSuccess = isSuccess;
+                handler.post(() -> {
+                    hideProgress();
+                    binding.set.setEnabled(true);
+                    if (finalIsSuccess) {
+                        Toast.makeText(getApplicationContext(), "Wallpaper setting is successful", Toast.LENGTH_SHORT).show();
+                    } else {
+                        Toast.makeText(getApplicationContext(), "Wallpaper setting failed", Toast.LENGTH_SHORT).show();
+                    }
+                });
+            }
+        });
+    }
+
+    private boolean setWallpaper(Bitmap bitmap, int flag) {
+        WallpaperManager wm = WallpaperManager.getInstance(getApplicationContext());
+        try {
+            binding.imageView.setDrawingCacheEnabled(true);
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+                wm.setBitmap(bitmap, null, true, flag);
+            } else {
+                wm.setBitmap(bitmap);
+            }
+            return true;
+        } catch (IOException e) {
+            e.printStackTrace();
+            return false;
+        } finally {
+            binding.imageView.setDrawingCacheEnabled(false);
+        }
+    }
+
+    private void loadImage() {
+        Glide.with(this)
+                .asBitmap()
+                .load(original)
+                .error(ContextCompat.getDrawable(this, R.mipmap.placeholder))
+                .override(1080, 1920)
+                .centerInside()
+                .into(new CustomTarget<Bitmap>() {
+                    @Override
+                    public void onResourceReady(@NonNull Bitmap resource, Transition<? super Bitmap> transition) {
+                        binding.imageView.setImageBitmap(resource);
+                        bitmap = resource;
+                        hideProgress();
+                    }
+
+                    @Override
+                    public void onLoadCleared(Drawable placeholder) {
+                        binding.imageView.setImageDrawable(placeholder != null ? placeholder : getDefaultPlaceholder());
+                    }
+
+                    @Override
+                    public void onLoadFailed(Drawable errorDrawable) {
+                        binding.imageView.setImageDrawable(errorDrawable != null ? errorDrawable : getDefaultPlaceholder());
+                        hideProgress();
+                    }
+                });
+    }
+
+    private Drawable getDefaultPlaceholder() {
+        return ContextCompat.getDrawable(this, R.mipmap.placeholder);
+    }
+
+    private void loadFavorite() {
+        roomUtils.getWallpaperLike(source, name).observe(this, wallpaper -> setFavoriteButton());
+    }
+
+    private void setFavoriteButton() {
+        binding.like.setImageResource(
+                coolEntity.getLike() ? R.drawable.like : R.drawable.un_like
+        );
+    }
+
+    private void hideProgress() {
+        binding.progressBar.setVisibility(View.GONE);
+        binding.view.setVisibility(View.GONE);
+    }
+
+    private void showProgress() {
+        binding.progressBar.setVisibility(View.VISIBLE);
+        binding.view.setVisibility(View.VISIBLE);
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        if (handler != null) {
+            handler.removeCallbacksAndMessages(null);
+        }
+        if (executorService != null) {
+            executorService.shutdown();
+        }
+        binding = null;
+    }
+}
--- a/app/src/main/java/com/wallpaper/coolwallpaper/activity/MainActivity.java
+++ b/app/src/main/java/com/wallpaper/coolwallpaper/activity/MainActivity.java
@ -0,0 +1,114 @@
+package com.wallpaper.coolwallpaper.activity;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+
+import androidx.activity.EdgeToEdge;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.content.ContextCompat;
+import androidx.core.graphics.Insets;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.WindowInsetsCompat;
+
+import com.google.android.material.tabs.TabLayout;
+import com.google.android.material.tabs.TabLayoutMediator;
+import com.wallpaper.coolwallpaper.R;
+import com.wallpaper.coolwallpaper.adapter.MainAdapter;
+import com.wallpaper.coolwallpaper.databinding.ActivityMainBinding;
+import com.wallpaper.coolwallpaper.databinding.TabLayoutBinding;
+
+public class MainActivity extends AppCompatActivity {
+    private ActivityMainBinding binding;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        EdgeToEdge.enable(this);
+        binding = ActivityMainBinding.inflate(getLayoutInflater());
+        setContentView(binding.getRoot());
+
+        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main), (v, insets) -> {
+            Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
+            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
+            return insets;
+        });
+
+        initData();
+        initEvent();
+    }
+
+    private void initData() {
+        MainAdapter adapter = new MainAdapter(this);
+        binding.mainViewpager2.setAdapter(adapter);
+    }
+
+    private void initEvent() {
+        binding.mainViewpager2.setUserInputEnabled(false);
+
+        new TabLayoutMediator(binding.mainTabLayout, binding.mainViewpager2, (tab, position) -> {
+            TabLayoutBinding tabLayoutBinding = TabLayoutBinding.inflate(LayoutInflater.from(this));
+            tab.setCustomView(tabLayoutBinding.getRoot());
+            setTab(tabLayoutBinding, position);
+        }).attach();
+
+        binding.mainTabLayout.addOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
+            @Override
+            public void onTabSelected(TabLayout.Tab tab) {
+                updateTab(tab, true);
+            }
+
+            @Override
+            public void onTabUnselected(TabLayout.Tab tab) {
+                updateTab(tab, false);
+            }
+
+            @Override
+            public void onTabReselected(TabLayout.Tab tab) {
+            }
+
+            private void updateTab(TabLayout.Tab tab, boolean isSelected) {
+                if (tab.getCustomView() != null) {
+                    TabLayoutBinding mainCustomBinding = TabLayoutBinding.bind(tab.getCustomView());
+
+                    int iconResId = getIconResource(tab.getPosition(), isSelected);
+                    mainCustomBinding.image.setImageResource(iconResId);
+
+                    int textColor = isSelected ? R.color.gray : R.color.black;
+                    mainCustomBinding.text.setTextColor(ContextCompat.getColor(MainActivity.this, textColor));
+                }
+            }
+        });
+    }
+
+    private void setTab(TabLayoutBinding tabLayoutBinding, int position) {
+        int iconResId = getIconResource(position, false);
+        int textColorResId = R.color.gray;
+
+        switch (position) {
+            case 0:
+                tabLayoutBinding.text.setText("Home");
+                iconResId = R.drawable.main;
+                textColorResId = R.color.gray;
+                break;
+            case 1:
+                tabLayoutBinding.text.setText("Collection");
+                break;
+        }
+
+        tabLayoutBinding.image.setImageResource(iconResId);
+        tabLayoutBinding.text.setTextColor(ContextCompat.getColor(this, textColorResId));
+    }
+
+    private int getIconResource(int position, boolean isSelected) {
+        if (position == 1) {
+            return isSelected ? R.drawable.favorite : R.drawable.un_favorite;
+        }
+        return isSelected ? R.drawable.main : R.drawable.un_main;
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        binding = null;
+    }
+}
--- a/app/src/main/java/com/wallpaper/coolwallpaper/activity/SubListActivity.java
+++ b/app/src/main/java/com/wallpaper/coolwallpaper/activity/SubListActivity.java
@ -0,0 +1,86 @@
+package com.wallpaper.coolwallpaper.activity;
+
+import android.os.Bundle;
+import android.widget.Toast;
+
+import androidx.activity.EdgeToEdge;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.graphics.Insets;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.WindowInsetsCompat;
+import androidx.lifecycle.Observer;
+import androidx.recyclerview.widget.GridLayoutManager;
+
+import com.wallpaper.coolwallpaper.R;
+import com.wallpaper.coolwallpaper.adapter.WallpaperAdapter;
+import com.wallpaper.coolwallpaper.database.CoolEntity;
+import com.wallpaper.coolwallpaper.databinding.ActivitySubListBinding;
+import com.wallpaper.coolwallpaper.util.ItemDecoration;
+import com.wallpaper.coolwallpaper.util.RoomUtils;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class SubListActivity extends AppCompatActivity {
+    private ActivitySubListBinding binding;
+    private WallpaperAdapter wallpaperAdapter;
+    private RoomUtils roomUtils;
+    private String name;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        EdgeToEdge.enable(this);
+        binding = ActivitySubListBinding.inflate(getLayoutInflater());
+        setContentView(binding.getRoot());
+
+        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main), (v, insets) -> {
+            Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
+            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
+            return insets;
+        });
+
+        initData();
+        initEvent();
+    }
+
+    private void initData() {
+        name = getIntent().getStringExtra("name");
+        if (name == null) {
+            Toast.makeText(this, "The picture does not exist", Toast.LENGTH_SHORT).show();
+            finish();
+            return;
+        }
+
+        roomUtils = new RoomUtils(this);
+
+        binding.recyclerView.setLayoutManager(new GridLayoutManager(this, 2));
+        wallpaperAdapter = new WallpaperAdapter(this, new ArrayList<>(), this);
+        binding.recyclerView.setAdapter(wallpaperAdapter);
+
+        ItemDecoration itemDecoration = new ItemDecoration(25, 15, 10);
+        binding.recyclerView.addItemDecoration(itemDecoration);
+
+    }
+
+    private void initEvent() {
+
+        binding.back.setOnClickListener(v -> finish());
+        binding.text.setText(name);
+
+        loadImage();
+    }
+
+    private void loadImage() {
+        roomUtils
+                .getAllCategory(name)
+                .observe(this, new Observer<List<CoolEntity>>() {
+                    @Override
+                    public void onChanged(List<CoolEntity> coolEntities) {
+                        wallpaperAdapter.updateData(coolEntities);
+                    }
+                });
+    }
+
+}
--- a/app/src/main/java/com/wallpaper/coolwallpaper/activity/WelcomeActivity.java
+++ b/app/src/main/java/com/wallpaper/coolwallpaper/activity/WelcomeActivity.java
@ -0,0 +1,78 @@
+package com.wallpaper.coolwallpaper.activity;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.CountDownTimer;
+import android.widget.ProgressBar;
+
+import androidx.activity.EdgeToEdge;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.graphics.Insets;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.WindowInsetsCompat;
+
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.resource.bitmap.RoundedCorners;
+import com.wallpaper.coolwallpaper.R;
+import com.wallpaper.coolwallpaper.databinding.ActivityWelcomeBinding;
+
+public class WelcomeActivity extends AppCompatActivity {
+
+    private ActivityWelcomeBinding binding;
+    private static final long TOTAL_TIME = 1000;
+    private CountDownTimer countDownTimer;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        EdgeToEdge.enable(this);
+
+        binding = ActivityWelcomeBinding.inflate(getLayoutInflater());
+        setContentView(binding.getRoot());
+
+        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main), (v, insets) -> {
+            Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
+            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
+            return insets;
+        });
+
+        ProgressBar progressBar = binding.progressBar;
+
+        Glide.with(this)
+                .load(R.mipmap.placeholder)
+                .transform(new RoundedCorners(16))
+                .into(binding.image);
+
+        countDownTimer = new CountDownTimer(TOTAL_TIME, 100) {
+            @Override
+            public void onTick(long millisUntilFinished) {
+                int percentage = (int) (100 - (float) millisUntilFinished / TOTAL_TIME * 100);
+                progressBar.setProgress(percentage);
+            }
+
+            @Override
+            public void onFinish() {
+                startMain();
+            }
+        };
+
+        countDownTimer.start();
+    }
+
+    private void startMain() {
+        binding.progressBar.setProgress(100);
+
+        Intent intent = new Intent(WelcomeActivity.this, MainActivity.class);
+        startActivity(intent);
+        finish();
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        if (countDownTimer != null) {
+            countDownTimer.cancel();
+        }
+        binding = null;
+    }
+}
--- a/app/src/main/java/com/wallpaper/coolwallpaper/adapter/MainAdapter.java
+++ b/app/src/main/java/com/wallpaper/coolwallpaper/adapter/MainAdapter.java
@ -0,0 +1,34 @@
+package com.wallpaper.coolwallpaper.adapter;
+
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentActivity;
+import androidx.viewpager2.adapter.FragmentStateAdapter;
+
+import com.wallpaper.coolwallpaper.fragment.HomeFragment;
+import com.wallpaper.coolwallpaper.fragment.CollectionFragment;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class MainAdapter extends FragmentStateAdapter {
+
+    private final List<Fragment> fragmentList = new ArrayList<>();
+
+    public MainAdapter(@NonNull FragmentActivity fragmentActivity) {
+        super(fragmentActivity);
+        fragmentList.add(new HomeFragment());
+        fragmentList.add(new CollectionFragment());
+    }
+
+    @NonNull
+    @Override
+    public Fragment createFragment(int position) {
+            return fragmentList.get(position);
+    }
+
+    @Override
+    public int getItemCount() {
+            return fragmentList.size();
+    }
+}
--- a/app/src/main/java/com/wallpaper/coolwallpaper/adapter/SubListAdapter.java
+++ b/app/src/main/java/com/wallpaper/coolwallpaper/adapter/SubListAdapter.java
@ -0,0 +1,94 @@
+package com.wallpaper.coolwallpaper.adapter;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.Intent;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.resource.bitmap.RoundedCorners;
+import com.wallpaper.coolwallpaper.R;
+import com.wallpaper.coolwallpaper.activity.SubListActivity;
+import com.wallpaper.coolwallpaper.database.CoolEntity;
+
+import java.util.List;
+
+public class SubListAdapter extends RecyclerView.Adapter<SubListAdapter.ViewHolder> {
+    private List<CoolEntity> categoryList;
+    private final Context context;
+    private final Activity activity;
+
+    public SubListAdapter(Context context, List<CoolEntity> categoryList, Activity activity) {
+        this.context = context;
+        this.categoryList = categoryList;
+        this.activity = activity;
+    }
+
+    public void updateData(List<CoolEntity> newFavoriteImages) {
+        this.categoryList = newFavoriteImages;
+        notifyDataSetChanged();
+    }
+
+    @NonNull
+    @Override
+    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(context).inflate(R.layout.item_sublist, parent, false);
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
+        CoolEntity coolEntity = categoryList.get(position);
+        holder.bind(coolEntity);
+    }
+
+    @Override
+    public int getItemCount() {
+        return categoryList.size();
+    }
+
+    class ViewHolder extends RecyclerView.ViewHolder {
+        ImageView imageView;
+        TextView textView;
+
+        ViewHolder(View itemView) {
+            super(itemView);
+            imageView = itemView.findViewById(R.id.imageview);
+            textView = itemView.findViewById(R.id.category_title);
+        }
+
+        void bind(CoolEntity coolEntity)  {
+            String imageEntryOriginal = coolEntity.getOriginal();
+
+            textView.setText(coolEntity.getName());
+            loadImage(imageEntryOriginal);
+            setClickListeners(coolEntity);
+        }
+
+        private void loadImage(String imageEntryOriginal) {
+
+            Glide.with(context)
+                    .load(imageEntryOriginal)
+                    .transform(new RoundedCorners(32))
+                    .error(R.mipmap.placeholder)
+                    .placeholder(R.mipmap.placeholder)
+                    .into(imageView);
+        }
+
+        private void setClickListeners(final CoolEntity coolEntity) {
+            imageView.setOnClickListener(v -> {
+                Intent intent = new Intent(activity, SubListActivity.class);
+                intent.putExtra("name", coolEntity.getName());
+                activity.startActivity(intent);
+            });
+        }
+
+    }
+}
--- a/app/src/main/java/com/wallpaper/coolwallpaper/adapter/WallpaperAdapter.java
+++ b/app/src/main/java/com/wallpaper/coolwallpaper/adapter/WallpaperAdapter.java
@ -0,0 +1,121 @@
+package com.wallpaper.coolwallpaper.adapter;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.Intent;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.resource.bitmap.RoundedCorners;
+import com.wallpaper.coolwallpaper.R;
+import com.wallpaper.coolwallpaper.activity.DetailActivity;
+import com.wallpaper.coolwallpaper.activity.SubListActivity;
+import com.wallpaper.coolwallpaper.database.AppDatabase;
+import com.wallpaper.coolwallpaper.database.CoolEntity;
+
+import java.util.List;
+import java.util.concurrent.Executor;
+import java.util.concurrent.Executors;
+
+public class WallpaperAdapter extends RecyclerView.Adapter<WallpaperAdapter.ViewHolder> {
+    private List<CoolEntity> coolEntities;
+    private final Context context;
+    private final Activity activity;
+    private final Executor executor = Executors.newSingleThreadExecutor();
+
+    public WallpaperAdapter(Context context, List<CoolEntity> coolEntities, Activity activity) {
+        this.context = context;
+        this.coolEntities = coolEntities;
+        this.activity = activity;
+    }
+
+    public void updateData(List<CoolEntity> newFavoriteImages) {
+        this.coolEntities = newFavoriteImages;
+        notifyDataSetChanged();
+    }
+
+    @NonNull
+    @Override
+    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(context).inflate(R.layout.item_cool, parent, false);
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
+        CoolEntity coolEntity = coolEntities.get(position);
+        holder.bind(coolEntity);
+    }
+
+    @Override
+    public int getItemCount() {
+        return coolEntities.size();
+    }
+
+    class ViewHolder extends RecyclerView.ViewHolder {
+        ImageView imageView;
+        ImageView favoriteButton;
+
+        ViewHolder(View itemView) {
+            super(itemView);
+            imageView = itemView.findViewById(R.id.image_view);
+            favoriteButton = itemView.findViewById(R.id.favorite);
+        }
+
+        void bind(CoolEntity coolEntity) {
+            String imageEntryOriginal = coolEntity.getOriginal();
+
+            loadImage(imageEntryOriginal);
+            setFavoriteButton(coolEntity);
+            setClickListeners(coolEntity);
+        }
+
+        private void loadImage(String imageEntryOriginal) {
+
+            Glide.with(context)
+                    .load(imageEntryOriginal)
+                    .transform(new RoundedCorners(32))
+                    .error(R.mipmap.placeholder)
+                    .placeholder(R.mipmap.placeholder)
+                    .into(imageView);
+        }
+
+        private void setFavoriteButton(CoolEntity coolEntity) {
+            favoriteButton.setImageResource(coolEntity.getLike()
+                    ? R.drawable.like
+                    : R.drawable.un_like);
+        }
+
+        private void setClickListeners(CoolEntity coolEntity) {
+            imageView.setOnClickListener(v -> {
+                Intent intent = new Intent(activity, DetailActivity.class);
+                intent.putExtra("cool", coolEntity);
+                activity.startActivity(intent);
+            });
+
+            favoriteButton.setOnClickListener(v -> toggleFavorite(coolEntity));
+        }
+
+        private void toggleFavorite(CoolEntity coolEntity) {
+            boolean newStatus = !coolEntity.getLike();
+            coolEntity.setLike(newStatus);
+
+            updateImageInDatabase(coolEntity);
+            notifyItemChanged(getAdapterPosition());
+        }
+
+        private void updateImageInDatabase(CoolEntity coolEntity) {
+            executor.execute(() -> {
+                AppDatabase.getInstance(context)
+                        .imageEntryDao()
+                        .update(coolEntity);
+            });
+        }
+    }
+}
--- a/app/src/main/java/com/wallpaper/coolwallpaper/database/AppDatabase.java
+++ b/app/src/main/java/com/wallpaper/coolwallpaper/database/AppDatabase.java
@ -0,0 +1,29 @@
+package com.wallpaper.coolwallpaper.database;
+
+import android.content.Context;
+
+import androidx.room.Database;
+import androidx.room.Room;
+import androidx.room.RoomDatabase;
+
+import com.wallpaper.coolwallpaper.MyApplication;
+
+@Database(entities = {CoolEntity.class}, version = MyApplication.DB_VERSION, exportSchema = false)
+public abstract class AppDatabase extends RoomDatabase {
+
+    public abstract CoolEntityDao imageEntryDao();
+    private static volatile AppDatabase INSTANCE;
+
+    public static AppDatabase getInstance(Context context) {
+        if (INSTANCE == null) {
+            synchronized (AppDatabase.class) {
+                if (INSTANCE == null) {
+                    INSTANCE = Room.databaseBuilder(context.getApplicationContext(),
+                                    AppDatabase.class, MyApplication.DB_NAME)
+                            .build();
+                }
+            }
+        }
+        return INSTANCE;
+    }
+}
--- a/app/src/main/java/com/wallpaper/coolwallpaper/database/CategoryList.java
+++ b/app/src/main/java/com/wallpaper/coolwallpaper/database/CategoryList.java
@ -0,0 +1,29 @@
+package com.wallpaper.coolwallpaper.database;
+
+import java.util.List;
+
+public class CategoryList {
+    private  String name;
+    private  List<CoolEntity> list;
+
+    public CategoryList(String name, List<CoolEntity> list) {
+        this.name = name;
+        this.list = list;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public List<CoolEntity> getList() {
+        return list;
+    }
+
+    public void setList(List<CoolEntity> list) {
+        this.list = list;
+    }
+}
--- a/app/src/main/java/com/wallpaper/coolwallpaper/database/CoolEntity.java
+++ b/app/src/main/java/com/wallpaper/coolwallpaper/database/CoolEntity.java
@ -0,0 +1,74 @@
+package com.wallpaper.coolwallpaper.database;
+
+import androidx.room.Entity;
+import androidx.room.PrimaryKey;
+
+import java.io.Serializable;
+
+@Entity
+public class CoolEntity implements Serializable {
+
+    @PrimaryKey(autoGenerate = true)
+    private int id;
+    private String original;
+    private String previewThumb;
+    private String source;
+    private String name;
+    private Boolean isLike;
+
+    public CoolEntity(String original, String previewThumb, String source, String name, Boolean isLike) {
+        this.original = original;
+        this.previewThumb = previewThumb;
+        this.source = source;
+        this.name = name;
+        this.isLike = isLike;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getOriginal() {
+        return original;
+    }
+
+    public void setOriginal(String original) {
+        this.original = original;
+    }
+
+    public String getPreviewThumb() {
+        return previewThumb;
+    }
+
+    public void setPreviewThumb(String previewThumb) {
+        this.previewThumb = previewThumb;
+    }
+
+    public String getSource() {
+        return source;
+    }
+
+    public void setSource(String source) {
+        this.source = source;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Boolean getLike() {
+        return isLike;
+    }
+
+    public void setLike(Boolean like) {
+        isLike = like;
+    }
+}
--- a/app/src/main/java/com/wallpaper/coolwallpaper/database/CoolEntityDao.java
+++ b/app/src/main/java/com/wallpaper/coolwallpaper/database/CoolEntityDao.java
@ -0,0 +1,30 @@
+package com.wallpaper.coolwallpaper.database;
+
+import androidx.lifecycle.LiveData;
+import androidx.room.Dao;
+import androidx.room.Insert;
+import androidx.room.Query;
+import androidx.room.Update;
+
+import java.util.List;
+
+@Dao
+public interface CoolEntityDao {
+    @Insert
+    void insertAll(List<CoolEntity> coolEntity);
+
+    @Update
+    void update(CoolEntity coolEntity);
+
+    @Query("SELECT * FROM CoolEntity WHERE isLike = 1 ")
+    LiveData<List<CoolEntity>> getAllFavoriteLive();
+
+    @Query("SELECT * FROM CoolEntity WHERE id IN (SELECT MIN(id) FROM CoolEntity GROUP BY name)")
+    LiveData<List<CoolEntity>> getFirstRecordOfEachName();
+
+    @Query("SELECT * FROM CoolEntity WHERE name = :name")
+    LiveData<List<CoolEntity>> getAllCategoryLive(String name);
+
+    @Query("SELECT isLIKE FROM CoolEntity WHERE source = :source AND name = :name")
+    LiveData<Boolean> getWallpaperLike(String source, String name);
+}
--- a/app/src/main/java/com/wallpaper/coolwallpaper/fragment/CollectionFragment.java
+++ b/app/src/main/java/com/wallpaper/coolwallpaper/fragment/CollectionFragment.java
@ -0,0 +1,73 @@
+package com.wallpaper.coolwallpaper.fragment;
+
+import android.os.Bundle;
+
+import androidx.fragment.app.Fragment;
+import androidx.lifecycle.Observer;
+import androidx.recyclerview.widget.GridLayoutManager;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.wallpaper.coolwallpaper.adapter.SubListAdapter;
+import com.wallpaper.coolwallpaper.adapter.WallpaperAdapter;
+import com.wallpaper.coolwallpaper.database.CoolEntity;
+import com.wallpaper.coolwallpaper.databinding.FragmentCollectionBinding;
+import com.wallpaper.coolwallpaper.util.ItemDecoration;
+import com.wallpaper.coolwallpaper.util.RoomUtils;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class CollectionFragment extends Fragment {
+
+    private FragmentCollectionBinding fragmentCollectionBinding;
+    private WallpaperAdapter wallpaperAdapter;
+    private RoomUtils roomUtils;
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        fragmentCollectionBinding = FragmentCollectionBinding.inflate(inflater, container, false);
+
+        initData();
+        initEvent();
+        return fragmentCollectionBinding.getRoot();
+    }
+
+    private void initData() {
+
+        roomUtils = new RoomUtils(requireContext());
+
+        fragmentCollectionBinding.recyclerView.setLayoutManager(new GridLayoutManager(getContext(),2));
+
+        wallpaperAdapter = new WallpaperAdapter(requireContext(), new ArrayList<>(), requireActivity());
+        fragmentCollectionBinding.recyclerView.setAdapter(wallpaperAdapter);
+
+        ItemDecoration itemDecoration = new ItemDecoration(25, 15, 10);
+        fragmentCollectionBinding.recyclerView.addItemDecoration(itemDecoration);
+
+    }
+
+    private void initEvent() {
+        loadAllList();
+    }
+
+    private void loadAllList() {
+        roomUtils
+                .getAllFavoriteList()
+                .observe(getViewLifecycleOwner(), new Observer<List<CoolEntity>>() {
+                    @Override
+                    public void onChanged(List<CoolEntity> coolEntities) {
+                        wallpaperAdapter.updateData(coolEntities);
+                    }
+                });
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        fragmentCollectionBinding = null;
+    }
+}
--- a/app/src/main/java/com/wallpaper/coolwallpaper/fragment/HomeFragment.java
+++ b/app/src/main/java/com/wallpaper/coolwallpaper/fragment/HomeFragment.java
@ -0,0 +1,70 @@
+package com.wallpaper.coolwallpaper.fragment;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.fragment.app.Fragment;
+import androidx.lifecycle.Observer;
+import androidx.recyclerview.widget.GridLayoutManager;
+
+import com.wallpaper.coolwallpaper.adapter.SubListAdapter;
+import com.wallpaper.coolwallpaper.database.CoolEntity;
+import com.wallpaper.coolwallpaper.databinding.FragmentHomeBinding;
+import com.wallpaper.coolwallpaper.util.ItemDecoration;
+import com.wallpaper.coolwallpaper.util.RoomUtils;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class HomeFragment extends Fragment {
+    private FragmentHomeBinding fragmentHomeBinding;
+    private SubListAdapter subListAdapter;
+    private RoomUtils roomUtils;
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        fragmentHomeBinding = FragmentHomeBinding.inflate(inflater, container, false);
+
+        initData();
+        initEvent();
+        return fragmentHomeBinding.getRoot();
+    }
+
+    private void initData() {
+
+        roomUtils = new RoomUtils(requireContext());
+
+        fragmentHomeBinding.recyclerView.setLayoutManager(new GridLayoutManager(getContext(),2));
+
+        subListAdapter = new SubListAdapter(requireContext(), new ArrayList<>(), requireActivity());
+        fragmentHomeBinding.recyclerView.setAdapter(subListAdapter);
+
+        ItemDecoration itemDecoration = new ItemDecoration(25, 15, 10);
+        fragmentHomeBinding.recyclerView.addItemDecoration(itemDecoration);
+
+    }
+
+    private void initEvent() {
+        loadCategoryImage();
+    }
+
+    private void loadCategoryImage() {
+        roomUtils
+                .getCategoryFirst()
+                .observe(getViewLifecycleOwner(), new Observer<List<CoolEntity>>() {
+                    @Override
+                    public void onChanged(List<CoolEntity> coolEntities) {
+                        subListAdapter.updateData(coolEntities);
+                    }
+                });
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        fragmentHomeBinding = null;
+    }
+}
--- a/app/src/main/java/com/wallpaper/coolwallpaper/util/ItemDecoration.java
+++ b/app/src/main/java/com/wallpaper/coolwallpaper/util/ItemDecoration.java
@ -0,0 +1,75 @@
+package com.wallpaper.coolwallpaper.util;
+
+import android.graphics.Rect;
+import android.view.View;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.GridLayoutManager;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import androidx.recyclerview.widget.StaggeredGridLayoutManager;
+
+import com.wallpaper.coolwallpaper.MyApplication;
+
+public class ItemDecoration extends RecyclerView.ItemDecoration {
+
+    private final int v;
+    private final int h;
+    private final int ex;
+
+    public ItemDecoration(int v, int h, int ex) {
+        this.v = Math.round(dpToPx(v));
+        this.h = Math.round(dpToPx(h));
+        this.ex = Math.round(dpToPx(ex));
+    }
+
+    @Override
+    public void getItemOffsets(@NonNull Rect outRect, @NonNull View view, @NonNull RecyclerView parent, @NonNull RecyclerView.State state) {
+        super.getItemOffsets(outRect, view, parent, state);
+        int spanCount = 1;
+        int spanSize = 1;
+        int spanIndex = 0;
+
+        int childAdapterPosition = parent.getChildAdapterPosition(view);
+        RecyclerView.LayoutManager layoutManager = parent.getLayoutManager();
+        if (layoutManager instanceof StaggeredGridLayoutManager) {
+            StaggeredGridLayoutManager staggeredGridLayoutManager = (StaggeredGridLayoutManager) layoutManager;
+            StaggeredGridLayoutManager.LayoutParams layoutParams = (StaggeredGridLayoutManager.LayoutParams) view.getLayoutParams();
+            spanCount = staggeredGridLayoutManager.getSpanCount();
+            if (layoutParams.isFullSpan()) {
+                spanSize = spanCount;
+            }
+            spanIndex = layoutParams.getSpanIndex();
+        } else if (layoutManager instanceof GridLayoutManager) {
+            GridLayoutManager gridLayoutManager = (GridLayoutManager) layoutManager;
+            GridLayoutManager.LayoutParams layoutParams = (GridLayoutManager.LayoutParams) view.getLayoutParams();
+            spanCount = gridLayoutManager.getSpanCount();
+            spanSize = gridLayoutManager.getSpanSizeLookup().getSpanSize(childAdapterPosition);
+            spanIndex = layoutParams.getSpanIndex();
+        } else if (layoutManager instanceof LinearLayoutManager) {
+            outRect.left = v;
+            outRect.right = v;
+            outRect.bottom = h;
+        }
+
+        if (spanSize == spanCount) {
+            outRect.left = v + ex;
+            outRect.right = v + ex;
+
+        } else {
+            int itemAllSpacing = (v * (spanCount + 1) + ex * 2) / spanCount;
+            int left = v * (spanIndex + 1) - itemAllSpacing * spanIndex + ex;
+            int right = itemAllSpacing - left;
+            outRect.left = left;
+            outRect.right = right;
+
+        }
+        outRect.bottom = h;
+
+    }
+
+    public static float dpToPx(float dpValue) {
+        float density = MyApplication.getContext().getResources().getDisplayMetrics().density;
+        return density * dpValue + 0.5f;
+    }
+}
--- a/app/src/main/java/com/wallpaper/coolwallpaper/util/JsonParse.java
+++ b/app/src/main/java/com/wallpaper/coolwallpaper/util/JsonParse.java
@ -0,0 +1,70 @@
+package com.wallpaper.coolwallpaper.util;
+
+import android.util.Log;
+
+import com.wallpaper.coolwallpaper.MyApplication;
+import com.wallpaper.coolwallpaper.database.CategoryList;
+import com.wallpaper.coolwallpaper.database.CoolEntity;
+
+import org.json.JSONArray;
+import org.json.JSONObject;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.ArrayList;
+import java.util.List;
+
+public class JsonParse {
+
+    private static String loadJSONFromAsset(String fileName) {
+        StringBuilder jsonString = new StringBuilder();
+        try (BufferedReader reader = new BufferedReader(new InputStreamReader(MyApplication.getContext().getAssets().open(fileName)))) {
+            String line;
+            while ((line = reader.readLine()) != null) {
+                jsonString.append(line);
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        Log.d("JsonParse", "Loaded JSON: " + jsonString.toString());
+        return jsonString.toString();
+    }
+
+    public static List<CategoryList> parseJson(String fileName) {
+        List<CategoryList> categoryList = new ArrayList<>();
+        try {
+            String jsonString = loadJSONFromAsset(fileName);
+            if (jsonString.isEmpty()) {
+                throw new IllegalArgumentException("JSON file is empty or invalid.");
+            }
+
+            JSONArray jsonArray = new JSONArray(jsonString);
+            for (int i = 0; i < jsonArray.length(); i++) {
+                JSONObject categoryObject = jsonArray.getJSONObject(i);
+                String name = categoryObject.getString("name");
+
+                JSONArray listArray = categoryObject.getJSONArray("data");
+                List<CoolEntity> coolEntities = new ArrayList<>();
+
+                for (int j = 0; j < listArray.length(); j++) {
+                    JSONObject imageObject = listArray.getJSONObject(j);
+                    String original = imageObject.getString("original");
+                    String previewThumb = imageObject.getString("previewThumb");
+                    String source = imageObject.getString("source");
+
+                    coolEntities.add(new CoolEntity(original, previewThumb, source, name, false));
+                }
+
+                categoryList.add(new CategoryList(name, coolEntities));
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        return categoryList;
+    }
+
+
+
+}
--- a/app/src/main/java/com/wallpaper/coolwallpaper/util/RoomUtils.java
+++ b/app/src/main/java/com/wallpaper/coolwallpaper/util/RoomUtils.java
@ -0,0 +1,56 @@
+package com.wallpaper.coolwallpaper.util;
+
+import android.content.Context;
+
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+
+import com.wallpaper.coolwallpaper.database.AppDatabase;
+import com.wallpaper.coolwallpaper.database.CategoryList;
+import com.wallpaper.coolwallpaper.database.CoolEntity;
+import com.wallpaper.coolwallpaper.database.CoolEntityDao;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class RoomUtils {
+
+    private final CoolEntityDao coolEntityDao;
+
+    public RoomUtils(Context context) {
+        AppDatabase db = AppDatabase.getInstance(context);
+        coolEntityDao = db.imageEntryDao();
+    }
+
+    public void insertAllImages(List<CategoryList> categoryList) {
+        List<CoolEntity> coolEntities = new ArrayList<>();
+
+        for (CategoryList category : categoryList) {
+            coolEntities.addAll(category.getList());
+        }
+
+        coolEntityDao.insertAll(coolEntities);
+    }
+
+    public LiveData<List<CoolEntity>> getAllFavoriteList() {
+        return coolEntityDao.getAllFavoriteLive();
+    }
+
+    public LiveData<List<CoolEntity>> getCategoryFirst() {
+        return coolEntityDao.getFirstRecordOfEachName();
+    }
+
+    public LiveData<List<CoolEntity>> getAllCategory(String name) {
+        return coolEntityDao.getAllCategoryLive(name);
+    }
+
+    public LiveData<Boolean> getWallpaperLike(String source, String name) {
+        return coolEntityDao.getWallpaperLike(source, name);
+    }
+
+    public void update(CoolEntity imageEntry) {
+        coolEntityDao.update(imageEntry);
+    }
+
+
+}
--- a/app/src/main/java/com/wallpaper/coolwallpaper/util/SetAndDownloadUtils.java
+++ b/app/src/main/java/com/wallpaper/coolwallpaper/util/SetAndDownloadUtils.java
@ -0,0 +1,121 @@
+package com.wallpaper.coolwallpaper.util;
+
+import android.app.Activity;
+import android.content.ContentValues;
+import android.content.pm.PackageManager;
+import android.net.Uri;
+import android.os.Build;
+import android.provider.MediaStore;
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.ProgressBar;
+import android.widget.Toast;
+
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+
+public class SetAndDownloadUtils {
+    public static final int REQUEST_CODE_WRITE_EXTERNAL_STORAGE = 111;
+    private final ProgressBar progressBar;
+    private final ImageView overlayView;
+    private final ExecutorService executorService = Executors.newSingleThreadExecutor();
+
+    public SetAndDownloadUtils(ProgressBar progressBar, ImageView overlayView) {
+        this.progressBar = progressBar;
+        this.overlayView = overlayView;
+    }
+
+    public void setAsWallpaper(Activity activity, String imageUrl) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+            startDownload(activity, imageUrl);
+        } else {
+            if (ContextCompat.checkSelfPermission(activity, android.Manifest.permission.WRITE_EXTERNAL_STORAGE)
+                    != PackageManager.PERMISSION_GRANTED) {
+                ActivityCompat.requestPermissions(activity,
+                        new String[]{android.Manifest.permission.WRITE_EXTERNAL_STORAGE},
+                        REQUEST_CODE_WRITE_EXTERNAL_STORAGE);
+            } else {
+                startDownload(activity, imageUrl);
+            }
+        }
+    }
+
+    private void startDownload(Activity activity, String imageUrl) {
+        progressBar.setVisibility(View.VISIBLE);
+        overlayView.setVisibility(View.VISIBLE);
+
+        executorService.submit(() -> {
+            Uri uri = downloadImage(activity, imageUrl);
+            activity.runOnUiThread(() -> {
+                progressBar.setVisibility(View.GONE);
+                overlayView.setVisibility(View.GONE);
+
+                if (uri != null) {
+                    Toast.makeText(activity, "Wallpaper downloaded", Toast.LENGTH_SHORT).show();
+                } else {
+                    Toast.makeText(activity, "Wallpaper download failure", Toast.LENGTH_SHORT).show();
+                }
+            });
+        });
+    }
+
+    private Uri downloadImage(Activity activity, String imageUrl) {
+        String displayName = System.currentTimeMillis() + ".jpg";
+        ContentValues contentValues = new ContentValues();
+        contentValues.put(MediaStore.Images.Media.DISPLAY_NAME, displayName);
+        contentValues.put(MediaStore.Images.Media.MIME_TYPE, "image/jpeg");
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+            contentValues.put(MediaStore.Images.Media.IS_PENDING, 1);
+        }
+
+        Uri collectionUri;
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+            collectionUri = MediaStore.Images.Media.getContentUri(MediaStore.VOLUME_EXTERNAL_PRIMARY);
+        } else {
+            collectionUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
+        }
+
+        Uri imageUri = activity.getContentResolver().insert(collectionUri, contentValues);
+
+        if (imageUri != null) {
+            try {
+                OkHttpClient client = new OkHttpClient();
+                Request request = new Request.Builder().url(imageUrl).build();
+                Response response = client.newCall(request).execute();
+                if (response.isSuccessful()) {
+                    InputStream inputStream = response.body().byteStream();
+                    try (OutputStream outputStream = activity.getContentResolver().openOutputStream(imageUri)) {
+                        if (outputStream != null) {
+                            byte[] buffer = new byte[4096];
+                            int bytesRead;
+                            while ((bytesRead = inputStream.read(buffer)) != -1) {
+                                outputStream.write(buffer, 0, bytesRead);
+                            }
+                        }
+                    }
+                }
+
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+                    contentValues.clear();
+                    contentValues.put(MediaStore.Images.Media.IS_PENDING, 0);
+                    activity.getContentResolver().update(imageUri, contentValues, null, null);
+                }
+
+                return imageUri;
+            } catch (IOException e) {
+                activity.getContentResolver().delete(imageUri, null, null);
+            }
+        }
+        return null;
+    }
+}
--- a/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
+++ b/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>
--- a/app/src/main/res/drawable/apply.xml
+++ b/app/src/main/res/drawable/apply.xml
@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="32dp"
+    android:height="32dp"
+    android:viewportWidth="1024"
+    android:viewportHeight="1024">
+  <path
+      android:pathData="M408.3,928H97.2C43.6,928 0,885 0,832.2V223.8C0,171 43.6,128 97.2,128h797.7C948.4,128 992,171 992,223.8v144.1h-43.4V223.8a53.4,53.4 0,0 0,-53.8 -53H97.1a53.4,53.4 0,0 0,-53.8 53v608.3a53.4,53.4 0,0 0,53.8 53h311.1V928z"
+      android:fillColor="#231F20"/>
+  <path
+      android:pathData="M160,416h512V352H160zM160,672h320v-64H160zM491.8,843.6l8.4,8.6a0.3,0.3 0,0 1,0.1 0.1l169,-65 4,-3.7 275.4,-275.4a14.3,14.3 0,0 0,-3.8 -6.1l-102.9,-102.9a14.8,14.8 0,0 0,-6.1 -3.8l-278.9,278.9 -65.1,169.3zM500.1,896c-10.8,0 -21.9,-4.7 -30.5,-13.3l-8.4,-8.3c-12.1,-12.1 -16.4,-29 -10.9,-43.1l67.5,-175.8c2.1,-5.3 5.8,-9.1 9,-12.2l280.1,-280.1c8.8,-8.8 21.6,-12.6 34.9,-10.5 11,1.8 21.9,7.5 30.5,16.1l102.9,102.9c19.9,19.9 22.3,48.7 5.6,65.5l-288.5,287.6 -179.6,69.1c-4.1,1.5 -8.3,2.3 -12.7,2.3z"
+      android:fillColor="#231F20"/>
+</vector>
--- a/app/src/main/res/drawable/back.xml
+++ b/app/src/main/res/drawable/back.xml
@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="16dp"
+    android:height="16dp"
+    android:viewportWidth="1024"
+    android:viewportHeight="1024">
+  <path
+      android:pathData="M396.9,780.4a42.5,42.5 0,0 0,0 -60.2L231.4,554.7h647.3c23.5,0 42.7,-19.2 42.7,-42.7s-19.2,-42.7 -42.7,-42.7H231l165.5,-165.5a42.5,42.5 0,1 0,-60.2 -60.2l-238.5,238.5a42.5,42.5 0,0 0,0 60.2l238.9,238.1c16.2,16.6 43.5,16.6 60.2,0z"
+      android:fillColor="#858EBD"/>
+</vector>
--- a/app/src/main/res/drawable/download.xml
+++ b/app/src/main/res/drawable/download.xml
@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="32dp"
+    android:height="32dp"
+    android:viewportWidth="1024"
+    android:viewportHeight="1024">
+  <path
+      android:pathData="M511.3,63.1c-247.3,0 -448.4,201.1 -448.4,448.4s201.2,448.4 448.4,448.4 448.4,-201.1 448.4,-448.4S758.5,63.1 511.3,63.1zM511.3,891c-209.2,0 -379.4,-170.2 -379.4,-379.4s170.2,-379.4 379.4,-379.4 379.4,170.2 379.4,379.4S720.5,891 511.3,891z"
+      android:fillColor="#85D5F8"/>
+  <path
+      android:pathData="M680.2,508.5l-134.1,134.1v-380c0,-19 -15.4,-34.5 -34.5,-34.5 -19,0 -34.5,15.4 -34.5,34.5v380L337.5,503.1c-13.5,-13.5 -35.3,-13.5 -48.8,0 -13.5,13.5 -13.5,35.3 0,48.8l198.5,198.5a34.5,34.5 0,0 0,5.3 4.3c0.9,0.6 1.8,1 2.7,1.5 1.1,0.6 2.1,1.2 3.3,1.7 1.1,0.5 2.3,0.7 3.5,1.1 1,0.3 1.9,0.7 2.9,0.9 2.2,0.4 4.5,0.7 6.8,0.7s4.5,-0.2 6.8,-0.7c1,-0.2 2,-0.6 2.9,-0.9 1.2,-0.3 2.4,-0.6 3.5,-1.1 1.1,-0.5 2.2,-1.1 3.3,-1.7 0.9,-0.5 1.8,-0.9 2.7,-1.5a34.5,34.5 0,0 0,5.3 -4.3l193,-193c13.5,-13.5 13.5,-35.3 0,-48.8 -13.5,-13.5 -35.3,-13.5 -48.8,0z"
+      android:fillColor="#85D5F8"/>
+</vector>
--- a/app/src/main/res/drawable/favorite.xml
+++ b/app/src/main/res/drawable/favorite.xml
@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="16dp"
+    android:height="16dp"
+    android:viewportWidth="1024"
+    android:viewportHeight="1024">
+  <path
+      android:fillColor="@color/gray"
+      android:pathData="M780.2,97.5a73.1,73.1 0,0 1,73.1 73.1v755.8l-341.3,-152.4L170.7,926.5L170.7,170.7a73.1,73.1 0,0 1,73.1 -73.1h536.4zM780.2,170.7L243.8,170.7v643l268.2,-119.7 268.2,119.7L780.2,170.7z"/>
+</vector>
--- a/app/src/main/res/drawable/ic_launcher_background.xml
+++ b/app/src/main/res/drawable/ic_launcher_background.xml
@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>
--- a/app/src/main/res/drawable/like.xml
+++ b/app/src/main/res/drawable/like.xml
@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="32dp"
+    android:height="32dp"
+    android:viewportWidth="1024"
+    android:viewportHeight="1024">
+  <path
+      android:pathData="M913.9,208.4c-98.8,-98.8 -258.6,-98.8 -357.4,0l-42,42 -42,-42c-98.8,-98.8 -258.6,-98.8 -357.4,0 -98.3,98.8 -98.3,258.6 0.5,357.4l52.2,52.2 337.4,337.4c5.6,5.6 14.3,5.6 20,0l337.4,-337.4 52.2,-52.2c97.8,-98.8 97.8,-258.6 -1,-357.4z"
+      android:fillColor="#FC053B"/>
+</vector>
--- a/app/src/main/res/drawable/main.xml
+++ b/app/src/main/res/drawable/main.xml
@ -0,0 +1,24 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="16dp"
+    android:height="16dp"
+    android:viewportWidth="1024"
+    android:viewportHeight="1024">
+  <path
+      android:pathData="M134.1,256C147.6,256 158.5,246.4 158.5,234.7 158.5,222.9 147.6,213.3 134.1,213.3L36.6,213.3C23.1,213.3 12.2,222.9 12.2,234.7 12.2,246.4 23.1,256 36.6,256L134.1,256Z"
+      android:fillColor="@color/gray"/>
+  <path
+      android:pathData="M134.1,533.3C147.6,533.3 158.5,523.8 158.5,512 158.5,500.2 147.6,490.7 134.1,490.7L36.6,490.7C23.1,490.7 12.2,500.2 12.2,512 12.2,523.8 23.1,533.3 36.6,533.3L134.1,533.3Z"
+      android:fillColor="@color/gray"/>
+  <path
+      android:pathData="M134.1,810.7C147.6,810.7 158.5,801.1 158.5,789.3 158.5,777.6 147.6,768 134.1,768L36.6,768C23.1,768 12.2,777.6 12.2,789.3 12.2,801.1 23.1,810.7 36.6,810.7L134.1,810.7Z"
+      android:fillColor="@color/gray"/>
+  <path
+      android:pathData="M987.4,256C1000.9,256 1011.8,246.4 1011.8,234.7 1011.8,222.9 1000.9,213.3 987.4,213.3L280.4,213.3C266.9,213.3 256,222.9 256,234.7 256,246.4 266.9,256 280.4,256L987.4,256Z"
+      android:fillColor="@color/gray"/>
+  <path
+      android:pathData="M993.5,533.3C1007,533.3 1017.9,523.8 1017.9,512 1017.9,500.2 1007,490.7 993.5,490.7L286.5,490.7C273,490.7 262.1,500.2 262.1,512 262.1,523.8 273,533.3 286.5,533.3L993.5,533.3Z"
+      android:fillColor="@color/gray"/>
+  <path
+      android:pathData="M996.6,810.7C1010,810.7 1021,801.1 1021,789.3 1021,777.6 1010,768 996.6,768L289.5,768C276.1,768 265.1,777.6 265.1,789.3 265.1,801.1 276.1,810.7 289.5,810.7L996.6,810.7Z"
+      android:fillColor="@color/gray"/>
+</vector>
--- a/app/src/main/res/drawable/progress_bar_color.xml
+++ b/app/src/main/res/drawable/progress_bar_color.xml
@ -0,0 +1,30 @@
+<!-- res/drawable/seekbar_progress_drawable.xml -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:id="@android:id/background">
+        <shape>
+            <corners android:radius="5dp" />
+            <solid android:color="#D3D3D3" /> <!-- 背景颜色 -->
+        </shape>
+    </item>
+
+    <item android:id="@android:id/secondaryProgress">
+        <clip>
+            <shape>
+                <corners android:radius="5dp" />
+                <solid android:color="#FFD700" /> <!-- 次级进度颜色 -->
+            </shape>
+        </clip>
+    </item>
+
+    <item android:id="@android:id/progress">
+        <clip>
+            <shape>
+                <corners android:radius="5dp" />
+                <gradient
+                    android:startColor="#4891FF"
+                    android:endColor="#6CE89E"
+                    android:angle="0" />
+            </shape>
+        </clip>
+    </item>
+</layer-list>
--- a/app/src/main/res/drawable/rounded_rectangle_gradient.xml
+++ b/app/src/main/res/drawable/rounded_rectangle_gradient.xml
@ -0,0 +1,9 @@
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <gradient
+        android:angle="45"
+        android:endColor="#006B8C"
+        android:startColor="#8EE5EE"
+        android:type="linear"
+        android:useLevel="false" />
+    <corners android:radius="16sp" />
+</shape>
--- a/app/src/main/res/drawable/set_dialog_background.xml
+++ b/app/src/main/res/drawable/set_dialog_background.xml
@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <stroke
+        android:width="1dp"
+        android:color="@color/gray" />
+    <corners android:radius="6dp" />
+</shape>
--- a/app/src/main/res/drawable/un_favorite.xml
+++ b/app/src/main/res/drawable/un_favorite.xml
@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="16dp"
+    android:height="16dp"
+    android:viewportWidth="1024"
+    android:viewportHeight="1024">
+    <path
+        android:fillColor="@color/black"
+        android:pathData="M780.2,97.5a73.1,73.1 0,0 1,73.1 73.1v755.8l-341.3,-152.4L170.7,926.5L170.7,170.7a73.1,73.1 0,0 1,73.1 -73.1h536.4zM780.2,170.7L243.8,170.7v643l268.2,-119.7 268.2,119.7L780.2,170.7z"/>
+</vector>
--- a/app/src/main/res/drawable/un_like.xml
+++ b/app/src/main/res/drawable/un_like.xml
@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="16dp"
+    android:height="16dp"
+    android:viewportWidth="1024"
+    android:viewportHeight="1024">
+    <path
+        android:pathData="M512,923.8a96,96 0,0 1,-67.8 -27.8L144,595.7C32.9,484.4 28.6,302.6 134.8,190.4a288,288 0,0 1,413 -5.8L584,221a32,32 0,1 1,-45.3 45.3l-36.3,-36.3a222.2,222.2 0,0 0,-158.4 -65.6h-3.2a222.4,222.4 0,0 0,-160 70.2c-82.6,87.2 -78.9,229 8,316l300,300a32,32 0,0 0,45.3 0l300.2,-300.2a232.9,232.9 0,0 0,67.3 -164.8,219.4 219.4,0 0,0 -65.1,-157 223.4,223.4 0,0 0,-205.9 -58.8,32 32,0 1,1 -13.9,-62.5 287.1,287.1 0,0 1,264.7 75.7,283 283,0 0,1 84.2,202.4A297.3,297.3 0,0 1,880 595.6L579.9,896a96,96 0,0 1,-67.9 27.8z"
+        android:fillColor="@color/gray"/>
+    <path
+        android:pathData="M640,292.3a32,32 0,1 0,32 32,32 32,0 0,0 -32,-32z"
+        android:fillColor="@color/gray"/>
+</vector>
--- a/app/src/main/res/drawable/un_main.xml
+++ b/app/src/main/res/drawable/un_main.xml
@ -0,0 +1,24 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="16dp"
+    android:height="16dp"
+    android:viewportWidth="1024"
+    android:viewportHeight="1024">
+    <path
+        android:pathData="M134.1,256C147.6,256 158.5,246.4 158.5,234.7 158.5,222.9 147.6,213.3 134.1,213.3L36.6,213.3C23.1,213.3 12.2,222.9 12.2,234.7 12.2,246.4 23.1,256 36.6,256L134.1,256Z"
+        android:fillColor="@color/black"/>
+    <path
+        android:pathData="M134.1,533.3C147.6,533.3 158.5,523.8 158.5,512 158.5,500.2 147.6,490.7 134.1,490.7L36.6,490.7C23.1,490.7 12.2,500.2 12.2,512 12.2,523.8 23.1,533.3 36.6,533.3L134.1,533.3Z"
+        android:fillColor="@color/black"/>
+    <path
+        android:pathData="M134.1,810.7C147.6,810.7 158.5,801.1 158.5,789.3 158.5,777.6 147.6,768 134.1,768L36.6,768C23.1,768 12.2,777.6 12.2,789.3 12.2,801.1 23.1,810.7 36.6,810.7L134.1,810.7Z"
+        android:fillColor="@color/black"/>
+    <path
+        android:pathData="M987.4,256C1000.9,256 1011.8,246.4 1011.8,234.7 1011.8,222.9 1000.9,213.3 987.4,213.3L280.4,213.3C266.9,213.3 256,222.9 256,234.7 256,246.4 266.9,256 280.4,256L987.4,256Z"
+        android:fillColor="@color/black"/>
+    <path
+        android:pathData="M993.5,533.3C1007,533.3 1017.9,523.8 1017.9,512 1017.9,500.2 1007,490.7 993.5,490.7L286.5,490.7C273,490.7 262.1,500.2 262.1,512 262.1,523.8 273,533.3 286.5,533.3L993.5,533.3Z"
+        android:fillColor="@color/black"/>
+    <path
+        android:pathData="M996.6,810.7C1010,810.7 1021,801.1 1021,789.3 1021,777.6 1010,768 996.6,768L289.5,768C276.1,768 265.1,777.6 265.1,789.3 265.1,801.1 276.1,810.7 289.5,810.7L996.6,810.7Z"
+        android:fillColor="@color/black"/>
+</vector>
--- a/app/src/main/res/layout/activity_detail.xml
+++ b/app/src/main/res/layout/activity_detail.xml
@ -0,0 +1,89 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".activity.DetailActivity">
+
+    <ImageView
+        android:id="@+id/image_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:scaleType="centerCrop" />
+
+    <ImageView
+        android:id="@+id/back"
+        android:layout_width="30dp"
+        android:layout_height="30dp"
+        android:layout_marginStart="32dp"
+        android:layout_marginTop="32dp"
+        android:src="@drawable/back"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <ImageView
+        android:id="@+id/like"
+        android:layout_width="50dp"
+        android:layout_height="50dp"
+        android:layout_marginEnd="32dp"
+        android:layout_marginBottom="32dp"
+        android:src="@drawable/un_like"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent" />
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/down_picture"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="32dp"
+        app:layout_constraintBottom_toTopOf="@+id/set"
+        app:layout_constraintEnd_toEndOf="@+id/set">
+
+        <ProgressBar
+            android:id="@+id/down_progress"
+            android:layout_width="24dp"
+            android:layout_height="24dp"
+            android:indeterminateTint="@color/black"
+            android:visibility="gone"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <ImageView
+            android:layout_width="50dp"
+            android:layout_height="50dp"
+            android:layout_centerInParent="true"
+            android:src="@drawable/download" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+    <ImageView
+        android:id="@+id/set"
+        android:layout_width="50dp"
+        android:layout_height="50dp"
+        android:layout_marginBottom="32dp"
+        android:src="@drawable/apply"
+        app:layout_constraintBottom_toTopOf="@+id/like"
+        app:layout_constraintEnd_toEndOf="@+id/like" />
+
+    <ImageView
+        android:id="@+id/view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="@color/gray"
+        android:focusable="true"
+        android:visibility="gone" />
+
+    <ProgressBar
+        android:id="@+id/progress_bar"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/blue_black"
+    tools:context=".activity.MainActivity">
+
+    <androidx.viewpager2.widget.ViewPager2
+        android:id="@+id/main_viewpager2"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_marginBottom="16dp"
+        app:layout_constraintBottom_toTopOf="@+id/main_tab_layout"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <com.google.android.material.tabs.TabLayout
+        android:id="@+id/main_tab_layout"
+        android:layout_width="match_parent"
+        android:layout_height="125dp"
+        android:layout_marginBottom="25dp"
+        android:background="@android:color/transparent"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:tabIndicatorHeight="0dp"
+        app:tabRippleColor="@android:color/transparent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
--- a/app/src/main/res/layout/activity_sub_list.xml
+++ b/app/src/main/res/layout/activity_sub_list.xml
@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/blue_black"
+    tools:context=".activity.SubListActivity">
+
+    <ImageView
+        android:id="@+id/back"
+        android:layout_width="30dp"
+        android:layout_height="30dp"
+        android:layout_marginStart="25dp"
+        android:src="@drawable/back"
+        app:layout_constraintBottom_toBottomOf="@+id/text"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="@+id/text" />
+
+    <TextView
+        android:id="@+id/text"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="25dp"
+        android:gravity="center"
+        android:textColor="@color/white"
+        android:textSize="24sp"
+        android:text="@string/app_name"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recycler_view"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_marginTop="25dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/text" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
--- a/app/src/main/res/layout/activity_welcome.xml
+++ b/app/src/main/res/layout/activity_welcome.xml
@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".activity.WelcomeActivity">
+
+    <ImageView
+        android:id="@+id/image"
+        android:layout_width="150dp"
+        android:layout_height="150dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.388" />
+
+    <TextView
+        android:id="@+id/title"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="32dp"
+        android:text="@string/app_name"
+        android:textSize="25sp"
+        android:textStyle="bold"
+        android:gravity="center"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/image" />
+
+    <ProgressBar
+        android:id="@+id/progress_bar"
+        style="?android:attr/progressBarStyleHorizontal"
+        android:layout_width="0dp"
+        android:layout_height="10dp"
+        android:layout_marginStart="53dp"
+        android:layout_marginEnd="53dp"
+        android:layout_marginBottom="80dp"
+        android:max="100"
+        android:progress="0"
+        android:progressDrawable="@drawable/progress_bar_color"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
--- a/app/src/main/res/layout/detail_dialog.xml
+++ b/app/src/main/res/layout/detail_dialog.xml
@ -0,0 +1,98 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="250dp"
+    android:layout_height="wrap_content"
+    android:background="@drawable/rounded_rectangle_gradient">
+
+    <TextView
+        android:id="@+id/title"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="12dp"
+        android:text="@string/set_as_wallpaper"
+        android:textColor="@color/black"
+        android:textSize="20sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/both"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_margin="24dp"
+        android:background="@drawable/set_dialog_background"
+        android:padding="12dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/title">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="BOTH"
+            android:textColor="@color/black"
+            android:textSize="16sp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/lock"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_margin="24dp"
+        android:layout_marginBottom="20dp"
+        android:background="@drawable/set_dialog_background"
+        android:padding="12dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/both">
+
+        <TextView
+            android:id="@+id/lock_text"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="LOCK"
+            android:textColor="@color/black"
+            android:textSize="16sp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/desktop"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_margin="24dp"
+        android:layout_marginBottom="20dp"
+        android:background="@drawable/set_dialog_background"
+        android:padding="12dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/lock">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="DESKTOP"
+            android:textColor="@color/black"
+            android:textSize="16sp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+</androidx.constraintlayout.widget.ConstraintLayout>
--- a/app/src/main/res/layout/fragment_collection.xml
+++ b/app/src/main/res/layout/fragment_collection.xml
@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    tools:context=".fragment.CollectionFragment">
+
+    <TextView
+        android:id="@+id/text"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="25dp"
+        android:gravity="center"
+        android:text="COLLECTION"
+        android:textColor="@color/white"
+        android:textSize="24sp"
+        android:textStyle="bold"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recycler_view"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_marginTop="25dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/text" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
--- a/app/src/main/res/layout/fragment_home.xml
+++ b/app/src/main/res/layout/fragment_home.xml
@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".fragment.HomeFragment">
+
+    <TextView
+        android:id="@+id/text"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="25dp"
+        android:gravity="center"
+        android:text="HOME"
+        android:textColor="@color/white"
+        android:textSize="24sp"
+        android:textStyle="bold"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recycler_view"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_marginTop="25dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/text" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
--- a/app/src/main/res/layout/item_cool.xml
+++ b/app/src/main/res/layout/item_cool.xml
@ -0,0 +1,21 @@
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="144dp"
+    android:layout_height="256dp">
+
+    <ImageView
+        android:id="@+id/image_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:scaleType="fitXY"/>
+
+    <ImageView
+        android:id="@+id/favorite"
+        android:layout_width="20dp"
+        android:layout_height="20dp"
+        android:layout_marginTop="6dp"
+        android:layout_marginEnd="6dp"
+        android:src="@drawable/un_like"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>
--- a/app/src/main/res/layout/item_sublist.xml
+++ b/app/src/main/res/layout/item_sublist.xml
@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="250dp">
+
+    <ImageView
+        android:id="@+id/imageview"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:scaleType="fitXY" />
+
+    <TextView
+        android:id="@+id/category_title"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="20dp"
+        android:layout_marginTop="20dp"
+        android:textColor="@color/white"
+        android:textSize="18sp"
+        android:maxLines="2"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
--- a/app/src/main/res/layout/tab_layout.xml
+++ b/app/src/main/res/layout/tab_layout.xml
@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingBottom="5dp"
+    android:paddingTop="5dp">
+
+    <ImageView
+        android:id="@+id/image"
+        android:layout_width="32dp"
+        android:layout_height="32dp"
+        app:layout_constraintBottom_toTopOf="@+id/text"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <TextView
+        android:id="@+id/text"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:textStyle="bold"
+        android:gravity="center"
+        android:layout_marginTop="5dp"
+        android:text="@string/app_name"
+        android:textSize="14sp"
+        app:layout_constraintTop_toBottomOf="@+id/image" />
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>
--- a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
--- a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
--- a/app/src/main/res/mipmap-hdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-hdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-mdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-mdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xxxhdpi/placeholder.png
+++ b/app/src/main/res/mipmap-xxxhdpi/placeholder.png
--- a/app/src/main/res/values-night/themes.xml
+++ b/app/src/main/res/values-night/themes.xml
@ -0,0 +1,7 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Base.Theme.CoolWallpaper" parent="Theme.Material3.DayNight.NoActionBar">
+        <!-- Customize your dark theme here. -->
+        <!-- <item name="colorPrimary">@color/my_dark_primary</item> -->
+    </style>
+</resources>
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+    <color name="gray">#9C979D</color>
+    <color name="blue_black">#0D1B2A</color>
+</resources>
--- a/app/src/main/res/values/refs.xml
+++ b/app/src/main/res/values/refs.xml
@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources></resources>
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@ -0,0 +1,6 @@
+<resources>
+    <string name="app_name">Cool Wallpaper</string>
+    <!-- TODO: Remove or change this placeholder text -->
+    <string name="hello_blank_fragment">Hello blank fragment</string>
+    <string name="set_as_wallpaper">Set as Wallpaper</string>
+</resources>
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@ -0,0 +1,9 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Base.Theme.CoolWallpaper" parent="Theme.Material3.DayNight.NoActionBar">
+        <!-- Customize your light theme here. -->
+        <!-- <item name="colorPrimary">@color/my_light_primary</item> -->
+    </style>
+
+    <style name="Theme.CoolWallpaper" parent="Base.Theme.CoolWallpaper" />
+</resources>
--- a/app/src/main/res/xml/backup_rules.xml
+++ b/app/src/main/res/xml/backup_rules.xml
@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample backup rules file; uncomment and customize as necessary.
+   See https://developer.android.com/guide/topics/data/autobackup
+   for details.
+   Note: This file is ignored for devices older that API 31
+   See https://developer.android.com/about/versions/12/backup-restore
+-->
+<full-backup-content>
+    <!--
+   <include domain="sharedpref" path="."/>
+   <exclude domain="sharedpref" path="device.xml"/>
+-->
+</full-backup-content>
--- a/app/src/main/res/xml/data_extraction_rules.xml
+++ b/app/src/main/res/xml/data_extraction_rules.xml
@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample data extraction rules file; uncomment and customize as necessary.
+   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
+   for details.
+-->
+<data-extraction-rules>
+    <cloud-backup>
+        <!-- TODO: Use <include> and <exclude> to control what is backed up.
+        <include .../>
+        <exclude .../>
+        -->
+    </cloud-backup>
+    <!--
+    <device-transfer>
+        <include .../>
+        <exclude .../>
+    </device-transfer>
+    -->
+</data-extraction-rules>
--- a/app/src/test/java/com/wallpaper/coolwallpaper/ExampleUnitTest.java
+++ b/app/src/test/java/com/wallpaper/coolwallpaper/ExampleUnitTest.java
@ -0,0 +1,17 @@
+package com.wallpaper.coolwallpaper;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() {
+        assertEquals(4, 2 + 2);
+    }
+}
--- a/build.gradle.kts
+++ b/build.gradle.kts
@ -0,0 +1,4 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+    alias(libs.plugins.android.application) apply false
+}
--- a/gradle.properties
+++ b/gradle.properties
@ -0,0 +1,21 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. For more details, visit
+# https://developer.android.com/r/tools/gradle-multi-project-decoupled-projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app's APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Enables namespacing of each library's R class so that its R class includes only the
+# resources declared in the library itself and none from the library's dependencies,
+# thereby reducing the size of the R class for that library
+android.nonTransitiveRClass=true
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@ -0,0 +1,22 @@
+[versions]
+agp = "8.8.1"
+junit = "4.13.2"
+junitVersion = "1.2.1"
+espressoCore = "3.6.1"
+appcompat = "1.7.0"
+material = "1.12.0"
+activity = "1.10.0"
+constraintlayout = "2.2.0"
+
+[libraries]
+junit = { group = "junit", name = "junit", version.ref = "junit" }
+ext-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
+espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }
+appcompat = { group = "androidx.appcompat", name = "appcompat", version.ref = "appcompat" }
+material = { group = "com.google.android.material", name = "material", version.ref = "material" }
+activity = { group = "androidx.activity", name = "activity", version.ref = "activity" }
+constraintlayout = { group = "androidx.constraintlayout", name = "constraintlayout", version.ref = "constraintlayout" }
+
+[plugins]
+android-application = { id = "com.android.application", version.ref = "agp" }
+
--- a/gradle/wrapper/gradle-wrapper.jar
+++ b/gradle/wrapper/gradle-wrapper.jar
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@ -0,0 +1,6 @@
+#Fri Feb 21 18:22:41 CST 2025
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.10.2-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
--- a/185
+++ b/185
@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"
--- a/gradlew.bat
+++ b/gradlew.bat
@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@ -0,0 +1,24 @@
+pluginManagement {
+    repositories {
+        google {
+            content {
+                includeGroupByRegex("com\\.android.*")
+                includeGroupByRegex("com\\.google.*")
+                includeGroupByRegex("androidx.*")
+            }
+        }
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+rootProject.name = "Cool Wallpaper"
+include(":app")
+