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V1.0.0(3) ui优化，bug优化，增加删除功能

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This commit is contained in:
lihongwei 2024-09-09 18:03:25 +08:00
parent b58024ca73
commit a2ee1ac4a3
19 changed files with 407 additions and 277 deletions
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1
app/src/main/AndroidManifest.xml
View File

@ -19,6 +19,7 @@
<application
android:allowBackup="true"
android:name=".MainApplication"
android:dataExtractionRules="@xml/data_extraction_rules"
android:fullBackupContent="@xml/backup_rules"
android:icon="@mipmap/logo"

34
app/src/main/java/com/lh/painting/ImportActivity.java
View File

@ -1,4 +1,5 @@
package com.lh.painting;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
@ -7,16 +8,15 @@ import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Toast;
import androidx.activity.EdgeToEdge;
import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.GridLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import com.lh.painting.adapter.ImageAdapter;
import com.lh.painting.databinding.ActivityImportBinding;
import com.lh.painting.tool.MyItemSpace;
import org.json.JSONArray;
import org.json.JSONObject;
import com.lh.painting.tool.ItemDecoration;
import java.io.File;
import java.io.FileOutputStream;
@ -26,9 +26,9 @@ import java.util.ArrayList;
import java.util.List;
public class ImportActivity extends AppCompatActivity {
private ActivityImportBinding binding;
RecyclerView recyclerView;
private static final int PICK_IMAGE_REQUEST_CODE = 202; // 请求码，用于标识图片选择
RecyclerView recyclerView;
private ActivityImportBinding binding;
private ImageAdapter adapter;
private List<String> imagePaths = new ArrayList<>(); // 图片路径列表
@ -97,8 +97,8 @@ public class ImportActivity extends AppCompatActivity {
@Override
public void run() {
imagePaths.add(imagePath);
Log.d("2332323", "run: "+imagePaths.size());
if (!imagePaths.isEmpty()){
Log.d("2332323", "run: " + imagePaths.size());
if (!imagePaths.isEmpty()) {
binding.importBackground.setVisibility(View.GONE);
binding.importText.setVisibility(View.GONE);
}
@ -115,11 +115,11 @@ public class ImportActivity extends AppCompatActivity {
}
private void setRecyclerView() {
MyItemSpace myItemSpace = new MyItemSpace(16, 20, 15);
recyclerView.addItemDecoration(myItemSpace);
ItemDecoration itemDecoration = new ItemDecoration(16, 19, 10);
recyclerView.addItemDecoration(itemDecoration);
recyclerView.setLayoutManager(new GridLayoutManager(this, 2));
Log.d("22222225555", "onCreate: " + imagePaths.size());
adapter = new ImageAdapter(imagePaths, this,this);
adapter = new ImageAdapter(imagePaths, this, this);
recyclerView.setAdapter(adapter);
}
@ -178,13 +178,23 @@ public class ImportActivity extends AppCompatActivity {
if (!imagePaths.isEmpty()) {
binding.importBackground.setVisibility(View.GONE);
binding.importText.setVisibility(View.GONE);
}else {
} else {
binding.importBackground.setVisibility(View.VISIBLE);
binding.importText.setVisibility(View.VISIBLE);
}
}
});
}
public void deleteImage(String imagePath, ImageAdapter adapter) {
File imageFile = new File(imagePath);
if (imageFile.exists()) {
imageFile.delete();// 删除文件
}
}
}

1
app/src/main/java/com/lh/painting/InitialPageActivity.java
View File

@ -43,6 +43,7 @@ public class InitialPageActivity extends AppCompatActivity {
}
Intent intent = new Intent(InitialPageActivity.this, MainActivity.class);
startActivity(intent);
finish();
}
}).start();
}

33
app/src/main/java/com/lh/painting/MainApplication.java Normal file
View File

@ -0,0 +1,33 @@
package com.lh.painting;
import android.app.Application;
import android.content.Context;
public class MainApplication extends Application {
/**
* 全局的上下文
*/
private static Context mContext;
@Override
public void onCreate() {
super.onCreate();
//获取应用的上下文并赋值给 mContext
mContext = getApplicationContext();
}
/**
* 获取context
* @return
*/
public static Context getContext(){
return mContext;
}
//重写 onLowMemory 方法，在系统内存不足时调用。这里只是调用了父类的 onLowMemory 方法，没有做其他处理
@Override
public void onLowMemory() {
super.onLowMemory();
}
}

13
app/src/main/java/com/lh/painting/MyFavotrite.java
View File

@ -1,27 +1,20 @@
package com.lh.painting;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
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.recyclerview.widget.GridLayoutManager;
import com.lh.painting.adapter.HomeAdapter;
import com.lh.painting.adapter.LikeAdapter;
import com.lh.painting.dao.TaskDao;
import com.lh.painting.databinding.ActivityImportBinding;
import com.lh.painting.databinding.ActivityMyFavotriteBinding;
import com.lh.painting.db.AppDatabase;
import com.lh.painting.entity.Favorite;
import com.lh.painting.manager.Keys;
import com.lh.painting.tool.MyItemSpace;
import com.lh.painting.tool.ItemDecoration;
import java.util.ArrayList;
import java.util.List;
@ -81,8 +74,8 @@ public class MyFavotrite extends AppCompatActivity {
Log.d("3333333333", "setRecyclerview: "+favoriteList.size());
GridLayoutManager gridLayoutManager = new GridLayoutManager(MyFavotrite.this, 2);
binding.likeRecyclerview.setLayoutManager(gridLayoutManager);
MyItemSpace myItemSpace = new MyItemSpace( 16,20, 15);
binding.likeRecyclerview.addItemDecoration(myItemSpace);
ItemDecoration itemDecoration = new ItemDecoration(16, 19, 10);
binding.likeRecyclerview.addItemDecoration(itemDecoration);
binding.likeRecyclerview.setAdapter(adapter);
}

35
app/src/main/java/com/lh/painting/PaintingFragment.java
View File

@ -1,30 +1,27 @@
package com.lh.painting;
import android.os.Bundle;
import androidx.fragment.app.Fragment;
import androidx.recyclerview.widget.GridLayoutManager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import androidx.fragment.app.Fragment;
import androidx.recyclerview.widget.GridLayoutManager;
import com.lh.painting.adapter.HomeAdapter;
import com.lh.painting.databinding.FragmentPaintingBinding;
import com.lh.painting.manager.Keys;
import com.lh.painting.tool.MyItemSpace;
import com.lh.painting.tool.ItemDecoration;
import java.util.List;
public class PaintingFragment extends Fragment {
private FragmentPaintingBinding binding;
private static final String ARG_PARAM1 = "param1";
private FragmentPaintingBinding binding;
private String dirStr;
private int mParam1;
// private EndlessRecyclerViewScrollListener scrollListener;
// private EndlessRecyclerViewScrollListener scrollListener;
public static PaintingFragment newInstance(int i) {
@ -49,20 +46,20 @@ public class PaintingFragment extends Fragment {
View view = inflater.inflate(R.layout.fragment_painting, container, false);
binding = FragmentPaintingBinding.bind(view);
setRecyclerView();
return view;
}
private void setRecyclerView() {
//List<String> list = Utils.fileExistsInAssets(requireContext(), dirStr);
MyItemSpace myItemSpace = new MyItemSpace( 16,20, 15);
binding.recyclerview.addItemDecoration(myItemSpace);
dirStr = Keys.getAllDir().get(mParam1);
HomeAdapter preViewAdapter = new HomeAdapter(requireContext(), dirStr);
// binding.recyclerview.addOnScrollListener();
// binding.recyclerview.addOnScrollListener();
binding.recyclerview.setLayoutManager(new GridLayoutManager(requireContext(), 2));
ItemDecoration itemDecoration = new ItemDecoration(16, 19, 10);
binding.recyclerview.addItemDecoration(itemDecoration);
binding.recyclerview.setAdapter(preViewAdapter);
GridLayoutManager gridLayoutManager = new GridLayoutManager(requireContext(), 2);
binding.recyclerview.setLayoutManager(gridLayoutManager);
return view;
}
}

99
app/src/main/java/com/lh/painting/adapter/HomeAdapter.java
View File

@ -57,74 +57,63 @@ public class HomeAdapter extends RecyclerView.Adapter<HomeAdapter.HomeVH> {
public void onBindViewHolder(@NonNull HomeVH holder, @SuppressLint("RecyclerView") int position) {
String filePath = dir + "/" + (position + 1) + ".jpg";
//Bitmap bitmap = Utils.loadImageFromAssets(mCon, filePath);
// 初始化数据库
initDb();
// 重置收藏按钮的初始状态，避免复用问题
holder.collect.setImageResource(R.drawable.collect); // 初始状态为未收藏
// 加载图片
Glide.with(mCon)
.asDrawable()
.diskCacheStrategy(DiskCacheStrategy.ALL)
.load("file:///android_asset/" + filePath)
.into(holder.imPreview);
new Thread(new Runnable() {
@Override
public void run() {
if (dao.getTaskByUrl(filePath) != null) {
Log.d("2323232", "run: " + dao.getTaskByUrl(filePath));
((Activity) mCon).runOnUiThread(new Runnable() {
@Override
public void run() {
holder.collect.setBackgroundResource(R.drawable.like);
}
// 查询数据库，更新收藏状态
new Thread(() -> {
Favorite favorite = dao.getTaskByUrl(filePath); // 查询数据库是否已收藏
((Activity) mCon).runOnUiThread(() -> {
if (favorite != null) {
holder.collect.setImageResource(R.drawable.like); // 如果已收藏，设置为收藏状态
} else {
holder.collect.setImageResource(R.drawable.collect); // 未收藏，显示默认状态
}
});
}).start();
// 处理点击事件
holder.collect.setOnClickListener(view -> {
new Thread(() -> {
Favorite favorite1 = dao.getTaskByUrl(filePath);
if (favorite1 == null) {
// 如果未收藏，添加到数据库
favorite = new Favorite();
favorite.setPicture(filePath);
AppDatabase.getDatabase(mCon).taskDao().insertTask(favorite);
((Activity) mCon).runOnUiThread(() -> {
holder.collect.setImageResource(R.drawable.like); // 更新为已收藏状态
});
} else {
// 如果已收藏，从数据库中移除
AppDatabase.getDatabase(mCon).taskDao().deleteTaskByUrl(filePath);
((Activity) mCon).runOnUiThread(() -> {
holder.collect.setImageResource(R.drawable.collect); // 更新为未收藏状态
});
}
}
}).start();
holder.itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent = new Intent(mCon, CameraActivity.class);
intent.putExtra("filePath", filePath);
mCon.startActivity(intent);
}
}).start();
});
holder.collect.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
new Thread(new Runnable() {
@Override
public void run() {
Favorite favorite1 = dao.getTaskByUrl(filePath);
if (favorite1 == null) {
favorite = new Favorite();
favorite.setPicture(filePath);
AppDatabase.getDatabase(mCon).taskDao().insertTask(favorite);
Log.d("4444444", "run: " + position);
Log.d("4444444", "run: " + filePath);
((Activity) mCon).runOnUiThread(new Runnable() {
@Override
public void run() {
holder.collect.setBackgroundResource(R.drawable.like);
Toast.makeText(mCon, "Successful collection", Toast.LENGTH_SHORT).show();
}
});
} else {
AppDatabase.getDatabase(mCon).taskDao().deleteTaskByUrl(filePath);
Log.d("4444444", "ru: " + filePath);
((Activity) mCon).runOnUiThread(new Runnable() {
@Override
public void run() {
holder.collect.setBackgroundResource(R.drawable.collect);
Toast.makeText(mCon, "cancel collection", Toast.LENGTH_SHORT).show();
}
});
}
}
}).start();
}
// 处理点击查看大图的事件
holder.itemView.setOnClickListener(view -> {
Intent intent = new Intent(mCon, CameraActivity.class);
intent.putExtra("filePath", filePath);
mCon.startActivity(intent);
});
}
private void initDb() {
//初始化db
AppDatabase db = AppDatabase.getDatabase(mCon);

54
app/src/main/java/com/lh/painting/adapter/ImageAdapter.java
View File

@ -1,6 +1,7 @@
package com.lh.painting.adapter;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.Intent;
import android.util.Log;
@ -14,6 +15,7 @@ import androidx.recyclerview.widget.RecyclerView;
import com.bumptech.glide.Glide;
import com.bumptech.glide.load.engine.DiskCacheStrategy;
import com.lh.painting.CameraActivity;
import com.lh.painting.ImportActivity;
import com.lh.painting.R;
import com.lh.painting.dao.TaskDao;
import com.lh.painting.db.AppDatabase;
@ -26,8 +28,8 @@ public class ImageAdapter extends RecyclerView.Adapter<ImageAdapter.ImageViewHol
private Context context;
private Favorite favorite;
private List<String> imagePaths = new ArrayList<>();
private Activity activity;
public ImageAdapter( List<String> imagePaths , Context context,Activity activity) {
private ImportActivity activity;
public ImageAdapter(List<String> imagePaths , Context context, ImportActivity activity) {
this.imagePaths=imagePaths;
this.context=context;
this.activity=activity;
@ -58,7 +60,7 @@ public class ImageAdapter extends RecyclerView.Adapter<ImageAdapter.ImageViewHol
((Activity) context).runOnUiThread(new Runnable() {
@Override
public void run() {
holder.collect.setBackgroundResource(R.drawable.like);
holder.collect.setImageResource(R.drawable.like);
}
});
}
@ -73,6 +75,40 @@ public class ImageAdapter extends RecyclerView.Adapter<ImageAdapter.ImageViewHol
}
});
holder.itemView.setOnLongClickListener(v -> {
// 创建 AlertDialog.Builder
AlertDialog.Builder builder = new AlertDialog.Builder(activity);
builder.setTitle("Confirm deletion");
builder.setMessage("Are you sure you want to delete this picture？");
// 设置删除按钮
builder.setPositiveButton("delete", (dialog, which) -> {
// 执行删除操作
activity.deleteImage(imagePath, this); // 传递适配器实例，调用 ImportActivity 中的删除方法
imagePaths.remove(position); // 从列表中移除
notifyItemRemoved(position); // 通知适配器更新
notifyItemRangeChanged(position, imagePaths.size()); // 更新剩余项的位置
activity.runOnUiThread(() -> {
// 检查列表是否为空，更新 UI
if (imagePaths.isEmpty()) {
activity.findViewById(R.id.import_background).setVisibility(View.VISIBLE);
activity.findViewById(R.id.import_text).setVisibility(View.VISIBLE);
}
});
});
// 设置取消按钮
builder.setNegativeButton("cancel", (dialog, which) -> dialog.dismiss());
// 显示对话框
AlertDialog dialog = builder.create();
dialog.show();
return true; // 表示事件已处理
});
holder.collect.setOnClickListener(new View.OnClickListener() {
@SuppressLint("NotifyDataSetChanged")
@Override
@ -90,8 +126,8 @@ public class ImageAdapter extends RecyclerView.Adapter<ImageAdapter.ImageViewHol
((Activity) context).runOnUiThread(new Runnable() {
@Override
public void run() {
holder.collect.setBackgroundResource(R.drawable.like);
Toast.makeText(context, "Successful collection", Toast.LENGTH_SHORT).show();
holder.collect.setImageResource(R.drawable.like);
// Toast.makeText(context, "Successful collection", Toast.LENGTH_SHORT).show();
}
});
} else {
@ -100,8 +136,8 @@ public class ImageAdapter extends RecyclerView.Adapter<ImageAdapter.ImageViewHol
((Activity) context).runOnUiThread(new Runnable() {
@Override
public void run() {
holder.collect.setBackgroundResource(R.drawable.collect);
Toast.makeText(context, "cancel collection", Toast.LENGTH_SHORT).show();
holder.collect.setImageResource(R.drawable.collect);
// Toast.makeText(context, "cancel collection", Toast.LENGTH_SHORT).show();
}
});
@ -112,6 +148,7 @@ public class ImageAdapter extends RecyclerView.Adapter<ImageAdapter.ImageViewHol
}
});
}
@Override
@ -126,14 +163,15 @@ public class ImageAdapter extends RecyclerView.Adapter<ImageAdapter.ImageViewHol
dao = db.taskDao();
}
static class ImageViewHolder extends RecyclerView.ViewHolder {
ImageView imageView;
ImageView collect;
ImageView delete;
ImageViewHolder(View itemView) {
super(itemView);
imageView = itemView.findViewById(R.id.imPreview);
collect = itemView.findViewById(R.id.collect);
delete = itemView.findViewById(R.id.delete);
}
}
}

91
app/src/main/java/com/lh/painting/adapter/LikeAdapter.java
View File

@ -59,6 +59,7 @@ public class LikeAdapter extends RecyclerView.Adapter<LikeAdapter.HomeVH> {
public void onBindViewHolder(@NonNull HomeVH holder, @SuppressLint("RecyclerView") int position) {
String filePath = infoList.get(position).getPicture();
Bitmap bitmap;
if (filePath.startsWith("/data/user/")) {
bitmap = BitmapFactory.decodeFile(filePath);
} else {
@ -70,72 +71,46 @@ public class LikeAdapter extends RecyclerView.Adapter<LikeAdapter.HomeVH> {
.diskCacheStrategy(DiskCacheStrategy.ALL)
.load(bitmap)
.into(holder.imPreview);
new Thread(new Runnable() {
@Override
public void run() {
if (dao.getTaskByUrl(filePath) != null) {
Log.d("2323232", "run: " + dao.getTaskByUrl(filePath));
((Activity) mCon).runOnUiThread(new Runnable() {
@Override
public void run() {
holder.collect.setBackgroundResource(R.drawable.like);
}
});
}
new Thread(() -> {
if (dao.getTaskByUrl(filePath) != null) {
Log.d("2323232", "run: " + dao.getTaskByUrl(filePath));
((Activity) mCon).runOnUiThread(() -> holder.collect.setImageResource(R.drawable.like));
}
}).start();
holder.itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent = new Intent(mCon, CameraActivity.class);
intent.putExtra("filePath", filePath);
mCon.startActivity(intent);
}
holder.itemView.setOnClickListener(view -> {
Intent intent = new Intent(mCon, CameraActivity.class);
intent.putExtra("filePath", filePath);
mCon.startActivity(intent);
});
holder.collect.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
new Thread(new Runnable() {
@Override
public void run() {
Favorite favorite1 = dao.getTaskByUrl(filePath);
if (favorite1 == null) {
favorite = new Favorite();
favorite.setPicture(filePath);
AppDatabase.getDatabase(mCon).taskDao().insertTask(favorite);
Log.d("4444444", "run: " + position);
Log.d("4444444", "run: " + filePath);
((Activity) mCon).runOnUiThread(new Runnable() {
@Override
public void run() {
holder.collect.setBackgroundResource(R.drawable.like);
Toast.makeText(mCon, "Successful collection", Toast.LENGTH_SHORT).show();
}
});
} else {
AppDatabase.getDatabase(mCon).taskDao().deleteTaskByUrl(filePath);
holder.collect.setOnClickListener(view -> new Thread(() -> {
Favorite favorite1 = dao.getTaskByUrl(filePath);
if (favorite1 == null) {
favorite = new Favorite();
favorite.setPicture(filePath);
AppDatabase.getDatabase(mCon).taskDao().insertTask(favorite);
Log.d("4444444", "run: " + position);
Log.d("4444444", "run: " + filePath);
((Activity) mCon).runOnUiThread(() -> holder.collect.setImageResource(R.drawable.like));
} else {
AppDatabase.getDatabase(mCon).taskDao().deleteTaskByUrl(filePath);
infoList.remove(holder.getAdapterPosition());
Log.d("4444444", "ru: " + filePath);
((Activity) mCon).runOnUiThread(new Runnable() {
@Override
public void run() {
if (infoList.isEmpty()){
activity.findViewById(R.id.like_background).setVisibility(View.VISIBLE);
activity.findViewById(R.id.like_text).setVisibility(View.VISIBLE);
}
notifyDataSetChanged();
Toast.makeText(mCon, "cancel collection", Toast.LENGTH_SHORT).show();
}
});
}
int positionToRemove = holder.getAdapterPosition();
infoList.remove(positionToRemove);
Log.d("4444444", "ru: " + filePath);
((Activity) mCon).runOnUiThread(() -> {
if (infoList.isEmpty()) {
activity.findViewById(R.id.like_background).setVisibility(View.VISIBLE);
activity.findViewById(R.id.like_text).setVisibility(View.VISIBLE);
}
}).start();
notifyItemRemoved(positionToRemove);
notifyItemRangeChanged(positionToRemove, infoList.size()); // Update the position of remaining items
});
}
});
}).start());
}
/* private void updateFavoriteButton(ImageAdapter.ImageViewHolder holder, String imagePath) {
LiveData<Favorite> favoriteImageLiveData = dao.getTaskByUrl(imagePath);
favoriteImageLiveData.observe((LifecycleOwner) mCon, new Observer<Favorite>() {

96
app/src/main/java/com/lh/painting/tool/ItemDecoration.java Normal file
View File

@ -0,0 +1,96 @@
package com.lh.painting.tool;
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.lh.painting.MainApplication;
// ItemDecoration 是一个自定义的 RecyclerView.ItemDecoration 类，用于在 RecyclerView 中为每个子项设置间距。
public class ItemDecoration extends RecyclerView.ItemDecoration {
// 垂直间距 (vertical spacing)、水平间距 (horizontal spacing) 和额外间距 (extra spacing)：这里设置的是第一个的左边距，其它item根据剩余的距离均匀显示。
private int v, h, ex;
// 构造函数，传入 dp 值的垂直、水平和额外间距，并将它们转换为像素值。
public ItemDecoration(int v, int h, int ex) {
// 将 dp 值转换为像素值并四舍五入
this.v = Math.round(dpToPx(v));
this.h = Math.round(dpToPx(h));
this.ex = Math.round(dpToPx(ex));
}
// 重写 getItemOffsets 方法，用于为每个子项设置偏移量（间距）。
@Override
public void getItemOffsets(@NonNull Rect outRect, @NonNull View view, @NonNull RecyclerView parent, @NonNull RecyclerView.State state) {
super.getItemOffsets(outRect, view, parent, state);
// 定义网格的列数（spanCount）、子项所占的列数（spanSize）以及子项在网格中的索引（spanIndex）
int spanCount = 1; // 列数默认为 1
int spanSize = 1; // 子项所占列数默认为 1
int spanIndex = 0; // 子项在网格中的索引默认为 0
// 获取子项在 Adapter 中的位置
int childAdapterPosition = parent.getChildAdapterPosition(view);
// 获取 RecyclerView 的布局管理器
RecyclerView.LayoutManager layoutManager = parent.getLayoutManager();
// 如果布局管理器是 StaggeredGridLayoutManager（交错网格布局管理器）
if (layoutManager instanceof StaggeredGridLayoutManager) {
StaggeredGridLayoutManager staggeredGridLayoutManager = (StaggeredGridLayoutManager) layoutManager;
StaggeredGridLayoutManager.LayoutParams layoutParams = (StaggeredGridLayoutManager.LayoutParams) view.getLayoutParams();
spanCount = staggeredGridLayoutManager.getSpanCount(); // 获取列数
// 如果子项占据整行（isFullSpan），将 spanSize 设置为列数
if (layoutParams.isFullSpan()) {
spanSize = spanCount;
}
spanIndex = layoutParams.getSpanIndex(); // 获取子项的索引
// 如果布局管理器是 GridLayoutManager（网格布局管理器）
} else if (layoutManager instanceof GridLayoutManager) {
GridLayoutManager gridLayoutManager = (GridLayoutManager) layoutManager;
GridLayoutManager.LayoutParams layoutParams = (GridLayoutManager.LayoutParams) view.getLayoutParams();
spanCount = gridLayoutManager.getSpanCount(); // 获取列数
spanSize = gridLayoutManager.getSpanSizeLookup().getSpanSize(childAdapterPosition); // 获取子项占据的列数
spanIndex = layoutParams.getSpanIndex(); // 获取子项的索引
// 如果布局管理器是 LinearLayoutManager（线性布局管理器）
} else if (layoutManager instanceof LinearLayoutManager) {
// 设置子项的左、右和底部的间距
outRect.left = v;
outRect.right = v;
outRect.bottom = h;
}
// 如果子项占据整行（spanSize == spanCount），设置左、右和底部的间距
if (spanSize == spanCount) {
outRect.left = v + ex;
outRect.right = v + ex;
outRect.bottom = h;
// 如果子项不占据整行，根据网格布局计算左右间距
} else {
// 计算每个子项的总间距（包括额外间距）
int itemAllSpacing = (v * (spanCount + 1) + ex * 2) / spanCount;
// 计算子项的左边距
int left = v * (spanIndex + 1) - itemAllSpacing * spanIndex + ex;
// 计算子项的右边距
int right = itemAllSpacing - left;
outRect.left = left;
outRect.right = right;
outRect.bottom = h;
}
}
// 将 dp 值转换为像素值的方法
public static float dpToPx(float dpValue) {
// 获取当前设备的屏幕密度（dpi）
float density = MainApplication.getContext().getResources().getDisplayMetrics().density;
// 通过公式 density * dp + 0.5f 将 dp 转换为像素，并返回结果
return density * dpValue + 0.5f;
}
}

53
app/src/main/java/com/lh/painting/tool/MyItemSpace.java
View File

@ -1,53 +0,0 @@
package com.lh.painting.tool;
import android.graphics.Rect;
import android.view.View;
import androidx.annotation.NonNull;
import androidx.recyclerview.widget.GridLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
public class MyItemSpace extends RecyclerView.ItemDecoration {
private int ex_space = 0;
private int v_space = 0;
private int h_space = 0;
@Override
public void getItemOffsets(@NonNull Rect outRect, @NonNull View view, @NonNull RecyclerView parent, @NonNull RecyclerView.State state) {
int position = parent.getChildAdapterPosition(view);
int spanSize = 1;
int spanIndex = 0;
int spanCount = 1;
RecyclerView.LayoutManager layoutManager = parent.getLayoutManager();
if (layoutManager instanceof GridLayoutManager) {
GridLayoutManager layoutManager1 = (GridLayoutManager) layoutManager;
GridLayoutManager.LayoutParams layoutParams = (GridLayoutManager.LayoutParams) view.getLayoutParams();
spanCount = layoutManager1.getSpanCount();
spanSize = layoutManager1.getSpanSizeLookup().getSpanSize(position);
spanIndex = layoutParams.getSpanIndex();
}
if (spanSize == spanCount) {
outRect.left = v_space + ex_space;
outRect.right = v_space + ex_space;
outRect.bottom = h_space;
} else {
int itemAllSpacing = (v_space * (spanCount + 1) + ex_space * 2) / spanCount;
int left = v_space * (spanIndex + 1) - itemAllSpacing * spanIndex + ex_space;
int right = itemAllSpacing - left;
outRect.left = left;
outRect.right = right;
outRect.bottom = h_space;
}
}
public MyItemSpace(int v_space, int h_space, int ex_space) {
this.ex_space = ex_space;
this.h_space = h_space;
this.v_space = v_space;
}
}

9
app/src/main/res/drawable/delete.xml Normal file
View File

@ -0,0 +1,9 @@
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="20dp"
android:height="20dp"
android:viewportWidth="20"
android:viewportHeight="20">
<path
android:pathData="M8.699,15.061C9.066,15.061 9.365,14.764 9.365,14.394L8.699,7.746C8.699,7.379 8.402,7.08 8.033,7.08C7.664,7.08 7.367,7.377 7.367,7.746L8.033,14.394C8.035,14.762 8.332,15.061 8.699,15.061ZM16.678,3.756H12.025V3.424C12.025,2.689 11.43,2.094 10.695,2.094H9.365C8.631,2.094 8.035,2.689 8.035,3.424V3.756H3.381C3.014,3.756 2.715,4.053 2.715,4.422C2.715,4.789 3.012,5.088 3.381,5.088H16.68C17.047,5.088 17.346,4.791 17.346,4.422C17.346,4.053 17.047,3.756 16.678,3.756ZM10.695,3.756H9.365V3.424H10.695V3.756ZM15.418,5.762C15.031,5.762 14.715,6.066 14.697,6.449L13.223,16.391H6.842L5.361,6.418H5.354C5.318,6.051 5.01,5.762 4.637,5.762C4.26,5.762 3.951,6.049 3.92,6.418H3.895L5.258,16.783C5.264,16.729 5.26,16.668 5.248,16.602C5.348,17.236 5.898,17.721 6.561,17.721H13.518C14.184,17.721 14.734,17.232 14.83,16.598C14.822,16.641 14.82,16.68 14.82,16.721L16.172,6.416H16.137C16.1,6.049 15.793,5.762 15.418,5.762ZM12.025,14.394L12.691,7.746C12.691,7.379 12.394,7.08 12.025,7.08C11.656,7.08 11.359,7.377 11.359,7.746L10.693,14.394C10.693,14.762 10.99,15.061 11.359,15.061C11.727,15.061 12.025,14.762 12.025,14.394Z"
android:fillColor="#FF6565"/>
</vector>

4
app/src/main/res/layout/activity_home.xml
View File

@ -54,7 +54,5 @@
android:id="@+id/view_pager2"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginStart="20dp"
android:layout_marginTop="20dp"
android:layout_marginEnd="20dp"/>
android:layout_marginTop="20dp" />
</LinearLayout>

59
app/src/main/res/layout/activity_import.xml
View File

@ -1,61 +1,63 @@
<RelativeLayout 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/details_root"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/background"
>
android:background="@color/background">
<LinearLayout
android:id="@+id/text"
android:layout_width="match_parent"
android:layout_height="44dp"
android:layout_marginStart="20dp"
android:layout_marginEnd="20dp"
android:layout_marginTop="40dp"
android:layout_marginEnd="20dp"
tools:ignore="InvalidId">
<FrameLayout
android:background="@drawable/rounded_corners_camera"
android:id="@+id/imageview_back"
android:layout_width="44dp"
android:layout_height="44dp">
android:layout_height="44dp"
android:background="@drawable/bg_circle">
<ImageView
android:layout_gravity="center"
android:id="@+id/imageview_back"
android:layout_width="23dp"
android:layout_height="23dp"
android:src="@drawable/back_icon" />
android:layout_gravity="center"
android:src="@drawable/left_back" />
</FrameLayout>
<TextView
android:id="@+id/details_text"
android:gravity="center"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="center"
android:gravity="center"
android:text="@string/import_photo"
android:textColor="@color/text_color"
android:textStyle="bold"
android:textSize="24sp">
</TextView>
android:textSize="24sp"
android:textStyle="bold" />
</LinearLayout>
<ImageView
android:id="@+id/import_background"
android:layout_width="193dp"
android:layout_height="193dp"
android:layout_centerHorizontal="true"
android:layout_below="@+id/text"
android:layout_centerHorizontal="true"
android:layout_marginTop="153dp"
android:layout_marginBottom="20dp"
android:background="@mipmap/painting"
tools:ignore="ContentDescription">
</ImageView>
tools:ignore="ContentDescription" />
<RelativeLayout
android:id="@+id/import_text"
android:layout_width="match_parent"
android:layout_height="80dp"
android:layout_centerHorizontal="true"
android:layout_below="@+id/import_background"
>
android:layout_centerHorizontal="true">
<TextView
android:layout_width="260dp"
android:layout_height="wrap_content"
@ -68,13 +70,14 @@
android:textSize="14sp"
tools:ignore="HardcodedText" />
</RelativeLayout>
<androidx.recyclerview.widget.RecyclerView
android:layout_marginTop="10dp"
android:id="@+id/import_recyclerview"
android:layout_below="@+id/text"
android:layout_width="match_parent"
android:layout_height="wrap_content">
</androidx.recyclerview.widget.RecyclerView>
android:layout_height="wrap_content"
android:layout_below="@+id/text"
android:layout_marginTop="10dp"></androidx.recyclerview.widget.RecyclerView>
<RelativeLayout
android:id="@+id/import_photo"
android:layout_width="327dp"
@ -82,17 +85,16 @@
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:layout_marginBottom="70dp"
android:background="@drawable/rounded_corners_import"
>
android:background="@drawable/rounded_corners_import">
<ImageView
android:layout_width="24dp"
android:layout_height="24dp"
android:layout_centerVertical="true"
android:src="@drawable/import_icon"
android:layout_marginEnd="10dp"
android:layout_toLeftOf="@+id/text2"
>
</ImageView>
android:src="@drawable/import_icon"></ImageView>
<TextView
android:id="@+id/text2"
android:layout_width="109dp"
@ -100,8 +102,7 @@
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:text="@string/import_photo"
android:textColor="@color/white">
</TextView>
android:textColor="@color/white"></TextView>
</RelativeLayout>
</RelativeLayout>

4
app/src/main/res/layout/activity_my_favotrite.xml
View File

@ -17,14 +17,14 @@
tools:ignore="InvalidId">
<FrameLayout
android:id="@+id/imageview_back"
android:background="@drawable/rounded_corners_camera"
android:background="@drawable/bg_circle"
android:layout_width="44dp"
android:layout_height="44dp">
<ImageView
android:layout_gravity="center"
android:layout_width="23dp"
android:layout_height="23dp"
android:src="@drawable/back_icon" />
android:src="@drawable/left_back" />
</FrameLayout>
<TextView
android:id="@+id/details_text"

4
app/src/main/res/layout/activity_setting.xml
View File

@ -16,7 +16,7 @@
android:layout_marginTop="40dp"
>
<FrameLayout
android:background="@drawable/rounded_corners_camera"
android:background="@drawable/bg_circle"
android:layout_width="44dp"
android:layout_height="44dp">
<ImageView
@ -24,7 +24,7 @@
android:id="@+id/imageview_back"
android:layout_width="23dp"
android:layout_height="23dp"
android:src="@drawable/back_icon" />
android:src="@drawable/left_back" />
</FrameLayout>
<TextView
android:id="@+id/details_text"

44
app/src/main/res/layout/adapter_home_new.xml Normal file
View File

@ -0,0 +1,44 @@
<?xml version="1.0" encoding="utf-8"?>
<androidx.cardview.widget.CardView 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/card"
android:layout_width="150dp"
android:layout_height="146dp"
app:cardCornerRadius="16dp"
app:cardElevation="0dp">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:id="@+id/imPreview"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="@id/collect"
android:layout_gravity="center_horizontal"
android:scaleType="centerCrop"
android:src="@mipmap/ic_launcher"
tools:ignore="ContentDescription" />
<ImageView
android:id="@+id/delete"
android:layout_width="44dp"
android:layout_height="44dp"
android:padding="10dp"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintStart_toStartOf="parent"
android:src="@drawable/delete" />
<ImageView
android:id="@+id/collect"
android:layout_width="44dp"
android:layout_height="44dp"
android:padding="10dp"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintEnd_toEndOf="parent"
android:src="@drawable/collect" />
</androidx.constraintlayout.widget.ConstraintLayout>
</androidx.cardview.widget.CardView>

43
app/src/main/res/layout/adapter_home_vh.xml
View File

@ -3,36 +3,33 @@
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/card"
android:layout_width="160dp"
android:layout_width="150dp"
android:layout_height="146dp"
app:cardCornerRadius="16dp"
app:cardElevation="0dp">
<RelativeLayout
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:id="@+id/imPreview"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center_horizontal">
android:layout_below="@id/collect"
android:layout_gravity="center_horizontal"
android:scaleType="centerCrop"
android:src="@mipmap/ic_launcher"
tools:ignore="ContentDescription" />
<ImageView
android:id="@+id/imPreview"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="center_horizontal"
android:scaleType="centerCrop"
android:src="@mipmap/ic_launcher"
android:layout_below="@id/collect"
android:layout_marginTop="-10dp"
tools:ignore="ContentDescription" />
<ImageView
android:id="@+id/collect"
android:layout_width="44dp"
android:layout_height="44dp"
android:layout_alignParentEnd="true"
android:padding="10dp"
android:src="@drawable/collect" />
</RelativeLayout>
<ImageView
android:id="@+id/collect"
android:layout_width="44dp"
android:layout_height="44dp"
android:padding="10dp"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintEnd_toEndOf="parent"
android:src="@drawable/collect" />
</androidx.constraintlayout.widget.ConstraintLayout>
</androidx.cardview.widget.CardView>

7
app/src/main/res/layout/fragment_painting.xml
View File

@ -1,5 +1,5 @@
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
<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"
@ -8,6 +8,7 @@
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/recyclerview"
android:layout_width="match_parent"
android:layout_height="match_parent" />
android:layout_height="match_parent"
android:layout_marginBottom="30dp"/>
</FrameLayout>
</androidx.constraintlayout.widget.ConstraintLayout>