完成版

.gitignore

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+*.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

app/.gitignore

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+/build

app/build.gradle.kts

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+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.ardraw.ardrawinggallery"
+    compileSdk = 35
+
+    defaultConfig {
+        applicationId = "com.ardraw.ardrawinggallery"
+        minSdk = 23
+        targetSdk = 35
+        versionCode = 1
+        versionName = "1.0.0"
+        setProperty("archivesBaseName", "AR Drawing Gallery_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 ("androidx.camera:camera-core:1.4.1")
+    implementation ("androidx.camera:camera-lifecycle:1.4.1")
+    implementation ("androidx.camera:camera-view:1.4.1")
+    implementation ("androidx.camera:camera-extensions:1.4.1")
+    implementation ("androidx.camera:camera-camera2:1.4.1")
+}

app/proguard-rules.pro

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+# 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.ardraw.ardrawinggallery.util.DatabaseUtil {
+    public static final java.lang.String DATABASE_NAME;
+    public static final int DATABASE_VERSION;
+}
+
+-keepclassmembers class * {
+    @androidx.room.Query <methods>;
+}
+
+-keep class com.ardraw.ardrawinggallery.room.AppDatabase { *; }
+-keep  class com.ardraw.ardrawinggallery.room.ArData { *; }
+-keep  class com.ardraw.ardrawinggallery.room.ArDataDao { *; }

app/src/androidTest/java/com/ardraw/ardrawinggallery/ExampleInstrumentedTest.java

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+package com.ardraw.ardrawinggallery;
+
+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.ardraw.ardrawinggallery", appContext.getPackageName());
+    }
+}

app/src/main/AndroidManifest.xml

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+<?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.CAMERA" />
+    <uses-permission android:name="android.permission.FLASHLIGHT" />
+
+    <uses-feature android:name="android.hardware.camera" />
+
+    <uses-permission android:name="android.permission.READ_MEDIA_IMAGES" />
+    <uses-permission
+        android:name="android.permission.WRITE_EXTERNAL_STORAGE"
+        android:maxSdkVersion="32"
+        tools:ignore="ScopedStorage" />
+    <uses-permission
+        android:name="android.permission.READ_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.ARDrawingGallery"
+        tools:targetApi="31">
+        <activity
+            android:name=".activity.MainActivity"
+            android:exported="false" />
+        <activity
+            android:name=".activity.PaintActivity"
+            android:exported="false" />
+        <activity
+            android:name=".activity.SubActivity"
+            android:exported="false" />
+        <activity
+            android:name=".activity.LaunchActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>