把项目https://gitea.winboll.cc/Studio/Gallery_Bck20260425_042304_713.git移入WinBoLL项目系列

gallery/src/main/java/cc/winboll/studio/gallery/Album.java

@@ -0,0 +1,25 @@
+package cc.winboll.studio.gallery;
+
+import android.net.Uri;
+import cc.winboll.studio.libappbase.LogUtils;
+
+public class Album {
+    public static final String TAG = "Album";
+    private String name;
+    private String path;
+    private Uri coverUri;
+    private int imageCount;
+
+    public Album(String name, String path, Uri coverUri, int imageCount) {
+        LogUtils.d(TAG, "Album created: " + name);
+        this.name = name;
+        this.path = path;
+        this.coverUri = coverUri;
+        this.imageCount = imageCount;
+    }
+
+    public String getName() { return name; }
+    public String getPath() { return path; }
+    public Uri getCoverUri() { return coverUri; }
+    public int getImageCount() { return imageCount; }
+}

gallery/src/main/java/cc/winboll/studio/gallery/AlbumActivity.java

@@ -0,0 +1,153 @@
+package cc.winboll.studio.gallery;
+
+import android.content.ContentResolver;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.database.Cursor;
+import android.net.Uri;
+import android.os.Bundle;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.widget.Toast;
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
+import androidx.recyclerview.widget.GridLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import java.util.ArrayList;
+
+import cc.winboll.studio.libappbase.LogUtils;
+import cc.winboll.studio.gallery.ImageAdapter.OnImageClickListener;
+
+public class AlbumActivity extends AppCompatActivity {
+    public static final String TAG = "AlbumActivity";
+    private static final int PERMISSION_REQUEST_CODE = 101;
+    public static final String EXTRA_ALBUM_PATH = "album_path";
+    public static final String EXTRA_ALBUM_NAME = "album_name";
+    private RecyclerView recyclerView;
+    private ImageAdapter adapter;
+    private String albumPath;
+    private String albumName;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        LogUtils.d(TAG, "onCreate");
+        
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+        
+        albumPath = getIntent().getStringExtra(EXTRA_ALBUM_PATH);
+        albumName = getIntent().getStringExtra(EXTRA_ALBUM_NAME);
+        
+        getSupportActionBar().setTitle(albumName);
+        
+        recyclerView = findViewById(R.id.recycler_view);
+        recyclerView.setLayoutManager(new GridLayoutManager(this, 3));
+        adapter = new ImageAdapter();
+        recyclerView.setAdapter(adapter);
+        
+        adapter.setOnImageClickListener(new OnImageClickListener() {
+            @Override
+            public void onImageClick(int position, ArrayList<Uri> urls, ArrayList<String> paths) {
+                Intent intent = new Intent(AlbumActivity.this, ImageViewerActivity.class);
+                intent.putParcelableArrayListExtra(ImageViewerActivity.EXTRA_IMAGE_URLS, urls);
+                intent.putStringArrayListExtra(ImageViewerActivity.EXTRA_POSITIONS, paths);
+                intent.putExtra(ImageViewerActivity.EXTRA_POSITION, position);
+                startActivity(intent);
+            }
+        });
+        
+        if (checkPermission()) {
+            loadImages();
+        } else {
+            requestPermission();
+        }
+    }
+
+    private boolean checkPermission() {
+        return ContextCompat.checkSelfPermission(this, android.Manifest.permission.READ_EXTERNAL_STORAGE) 
+            == PackageManager.PERMISSION_GRANTED;
+    }
+
+    private void requestPermission() {
+        ActivityCompat.requestPermissions(this, 
+            new String[]{android.Manifest.permission.READ_EXTERNAL_STORAGE}, 
+            PERMISSION_REQUEST_CODE);
+    }
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, 
+            @NonNull int[] grantResults) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
+        if (requestCode == PERMISSION_REQUEST_CODE) {
+            if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
+                loadImages();
+            } else {
+                Toast.makeText(this, "Permission denied", Toast.LENGTH_SHORT).show();
+            }
+        }
+    }
+
+    private void loadImages() {
+        LogUtils.d(TAG, "loadImages");
+        ArrayList<Uri> imageUrls = new ArrayList<>();
+        ArrayList<String> imagePaths = new ArrayList<>();
+        ContentResolver contentResolver = getContentResolver();
+        Uri collection = android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
+        
+        String selection = android.provider.MediaStore.Images.Media.DATA + " LIKE ?";
+        String[] selectionArgs = new String[]{albumPath + "%"};
+        String sortOrder = android.provider.MediaStore.Images.Media.DATE_ADDED + " DESC";
+        
+        try (Cursor cursor = contentResolver.query(collection, null, selection, selectionArgs, sortOrder)) {
+            if (cursor != null) {
+                int dataColumn = cursor.getColumnIndexOrThrow(android.provider.MediaStore.Images.Media.DATA);
+                while (cursor.moveToNext()) {
+                    String path = cursor.getString(dataColumn);
+                    if (path != null && path.startsWith(albumPath + "/")) {
+                        long id = cursor.getLong(cursor.getColumnIndexOrThrow(android.provider.MediaStore.Images.Media._ID));
+                        Uri contentUri = Uri.withAppendedPath(collection, String.valueOf(id));
+                        imageUrls.add(contentUri);
+                        imagePaths.add(path);
+                    }
+                }
+            }
+        }
+        
+        if (imageUrls.isEmpty()) {
+            Toast.makeText(this, R.string.no_images_found, Toast.LENGTH_SHORT).show();
+            LogUtils.i(TAG, "No images found");
+        }
+        adapter.setData(imageUrls, imagePaths);
+        LogUtils.d(TAG, "Loaded " + imageUrls.size() + " images");
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        getMenuInflater().inflate(R.menu.menu_main, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
+        if (item.getItemId() == R.id.action_refresh) {
+            if (checkPermission()) {
+                loadImages();
+            }
+            return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+    
+    @Override
+    protected void onResume() {
+        super.onResume();
+        if (checkPermission()) {
+            loadImages();
+        }
+    }
+}

gallery/src/main/java/cc/winboll/studio/gallery/AlbumAdapter.java

@@ -0,0 +1,79 @@
+package cc.winboll.studio.gallery;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.View.OnClickListener;
+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 java.util.ArrayList;
+
+import cc.winboll.studio.libappbase.LogUtils;
+
+public class AlbumAdapter extends RecyclerView.Adapter<AlbumAdapter.ViewHolder> {
+    public static final String TAG = "AlbumAdapter";
+    private ArrayList<Album> albums = new ArrayList<>();
+    private OnAlbumClickListener listener;
+
+    public interface OnAlbumClickListener {
+        void onAlbumClick(Album album);
+    }
+
+    public void setOnAlbumClickListener(OnAlbumClickListener listener) {
+        this.listener = listener;
+    }
+
+    public void setData(ArrayList<Album> albums) {
+        this.albums = albums;
+        LogUtils.d(TAG, "setData: " + albums.size() + " albums");
+        notifyDataSetChanged();
+    }
+
+    @NonNull
+    @Override
+    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext())
+            .inflate(R.layout.item_album, parent, false);
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull ViewHolder holder, final int position) {
+        final Album album = albums.get(position);
+        Glide.with(holder.coverImage.getContext())
+            .load(album.getCoverUri())
+            .centerCrop()
+            .into(holder.coverImage);
+        holder.albumName.setText(album.getName());
+        holder.imageCount.setText(album.getImageCount() + " photos");
+        
+        holder.itemView.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (listener != null) {
+                    listener.onAlbumClick(album);
+                }
+            }
+        });
+    }
+
+    @Override
+    public int getItemCount() {
+        return albums.size();
+    }
+
+    static class ViewHolder extends RecyclerView.ViewHolder {
+        ImageView coverImage;
+        TextView albumName;
+        TextView imageCount;
+        ViewHolder(View itemView) {
+            super(itemView);
+            coverImage = itemView.findViewById(R.id.album_cover);
+            albumName = itemView.findViewById(R.id.album_name);
+            imageCount = itemView.findViewById(R.id.image_count);
+        }
+    }
+}

gallery/src/main/java/cc/winboll/studio/gallery/GlobalWinBoLLApplication.java

@@ -0,0 +1,44 @@
+package cc.winboll.studio.gallery;
+
+import cc.winboll.studio.libaes.utils.WinBoLLActivityManager;
+import cc.winboll.studio.libappbase.GlobalApplication;
+import cc.winboll.studio.libappbase.LogUtils;
+import cc.winboll.studio.libappbase.ToastUtils;
+
+/**
+ * @Author 豆包&ZhanGSKen<zhangsken@qq.com>
+ * @Date 2026/04/24 15:23
+ */
+public class GlobalWinBoLLApplication extends GlobalApplication {
+    
+    public static final String TAG = "GlobalWinBoLLApplication";
+    
+
+@Override
+    public void onCreate() {
+        super.onCreate();
+        LogUtils.d(TAG, "onCreate");
+        setIsDebugging(BuildConfig.DEBUG);
+        //setIsDebugging(false);
+
+        WinBoLLActivityManager.init(this);
+
+        // 初始化 Toast 框架
+        ToastUtils.init(this);
+        // 设置 Toast 布局样式
+        //ToastUtils.setView(R.layout.view_toast);
+        //ToastUtils.setStyle(new WhiteToastStyle());
+        //ToastUtils.setGravity(Gravity.BOTTOM, 0, 200);
+
+        //CrashHandler.getInstance().registerGlobal(this);
+        //CrashHandler.getInstance().registerPart(this);
+    }
+
+@Override
+    public void onTerminate() {
+        super.onTerminate();
+        LogUtils.d(TAG, "onTerminate");
+        ToastUtils.release();
+    }
+    
+}

gallery/src/main/java/cc/winboll/studio/gallery/ImageAdapter.java

@@ -0,0 +1,76 @@
+package cc.winboll.studio.gallery;
+
+import android.net.Uri;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+import com.bumptech.glide.Glide;
+import java.util.ArrayList;
+
+import cc.winboll.studio.libappbase.LogUtils;
+
+public class ImageAdapter extends RecyclerView.Adapter<ImageAdapter.ViewHolder> {
+    public static final String TAG = "ImageAdapter";
+    private ArrayList<Uri> imageUrls = new ArrayList<>();
+    private ArrayList<String> imagePaths = new ArrayList<>();
+    private OnImageClickListener listener;
+
+    public interface OnImageClickListener {
+        void onImageClick(int position, ArrayList<Uri> urls, ArrayList<String> paths);
+    }
+
+    public void setOnImageClickListener(OnImageClickListener listener) {
+        this.listener = listener;
+    }
+
+    public void setData(ArrayList<Uri> urls, ArrayList<String> paths) {
+        this.imageUrls = urls;
+        this.imagePaths = paths;
+        LogUtils.d(TAG, "setData: " + urls.size() + " images");
+        notifyDataSetChanged();
+    }
+
+    @NonNull
+    @Override
+    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext())
+            .inflate(R.layout.item_gallery, parent, false);
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull ViewHolder holder, final int position) {
+        Glide.with(holder.imageView.getContext())
+            .load(imageUrls.get(position))
+            .centerCrop()
+            .into(holder.imageView);
+        
+        final ArrayList<Uri> urls = imageUrls;
+        final ArrayList<String> paths = imagePaths;
+        holder.imageView.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (listener != null) {
+                    listener.onImageClick(position, urls, paths);
+                }
+            }
+        });
+    }
+
+    @Override
+    public int getItemCount() {
+        return imageUrls.size();
+    }
+
+    static class ViewHolder extends RecyclerView.ViewHolder {
+        ImageView imageView;
+        ViewHolder(View itemView) {
+            super(itemView);
+            imageView = itemView.findViewById(R.id.image);
+        }
+    }
+}

gallery/src/main/java/cc/winboll/studio/gallery/ImagePagerAdapter.java

@@ -0,0 +1,56 @@
+package cc.winboll.studio.gallery;
+
+import android.net.Uri;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import androidx.annotation.NonNull;
+import androidx.viewpager.widget.PagerAdapter;
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.engine.DiskCacheStrategy;
+import java.util.ArrayList;
+
+import cc.winboll.studio.libappbase.LogUtils;
+
+public class ImagePagerAdapter extends PagerAdapter {
+    public static final String TAG = "ImagePagerAdapter";
+    private ArrayList<Uri> imageUrls;
+
+    public ImagePagerAdapter(ArrayList<Uri> imageUrls) {
+        this.imageUrls = imageUrls;
+        LogUtils.d(TAG, "ImagePagerAdapter created with " + imageUrls.size() + " images");
+    }
+
+    @Override
+    public int getCount() {
+        return imageUrls.size();
+    }
+
+    @NonNull
+    @Override
+    public Object instantiateItem(@NonNull ViewGroup container, int position) {
+        View view = LayoutInflater.from(container.getContext())
+            .inflate(R.layout.item_image_pager, container, false);
+        ImageView imageView = view.findViewById(R.id.image);
+        
+        Glide.with(imageView.getContext())
+            .load(imageUrls.get(position))
+            .diskCacheStrategy(DiskCacheStrategy.NONE)
+            .skipMemoryCache(true)
+            .into(imageView);
+        
+        container.addView(view);
+        return view;
+    }
+
+    @Override
+    public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
+        container.removeView((View) object);
+    }
+
+    @Override
+    public boolean isViewFromObject(@NonNull View view, @NonNull Object object) {
+        return view == object;
+    }
+}

gallery/src/main/java/cc/winboll/studio/gallery/ImageViewerActivity.java

@@ -0,0 +1,219 @@
+package cc.winboll.studio.gallery;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.provider.MediaStore;
+import android.view.GestureDetector;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.View.OnTouchListener;
+import android.view.WindowManager;
+import android.widget.ImageButton;
+import androidx.viewpager.widget.ViewPager;
+import java.io.File;
+import java.util.ArrayList;
+
+import cc.winboll.studio.libappbase.LogUtils;
+
+public class ImageViewerActivity extends Activity implements ViewPager.OnPageChangeListener {
+    public static final String TAG = "ImageViewerActivity";
+    public static final String EXTRA_IMAGE_URLS = "image_urls";
+    public static final String EXTRA_POSITIONS = "image_positions";
+    public static final String EXTRA_POSITION = "position";
+    
+    private ArrayList<Uri> imageUrls;
+    private ArrayList<String> imagePaths;
+    private int currentPosition;
+    private ViewPager viewPager;
+    private View toolbar;
+    private ImageButton btnBack;
+    private ImageButton btnDelete;
+    private ImageButton btnShare;
+    private GestureDetector gestureDetector;
+    private TrashManager trashManager;
+    
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
+            WindowManager.LayoutParams.FLAG_FULLSCREEN);
+        setContentView(R.layout.activity_image_viewer);
+        LogUtils.d(TAG, "onCreate");
+        
+        imageUrls = getIntent().getParcelableArrayListExtra(EXTRA_IMAGE_URLS);
+        imagePaths = getIntent().getStringArrayListExtra(EXTRA_POSITIONS);
+        currentPosition = getIntent().getIntExtra(EXTRA_POSITION, 0);
+        
+        trashManager = new TrashManager(this);
+        
+        viewPager = findViewById(R.id.view_pager);
+        toolbar = findViewById(R.id.toolbar);
+        btnBack = findViewById(R.id.btn_back);
+        btnDelete = findViewById(R.id.btn_delete);
+        btnShare = findViewById(R.id.btn_share);
+        
+        ImagePagerAdapter adapter = new ImagePagerAdapter(imageUrls);
+        viewPager.setAdapter(adapter);
+        viewPager.setCurrentItem(currentPosition);
+        viewPager.addOnPageChangeListener(this);
+        
+        gestureDetector = new GestureDetector(this, new GestureDetector.SimpleOnGestureListener() {
+            @Override
+            public boolean onSingleTapConfirmed(MotionEvent e) {
+                toggleToolbar();
+                return true;
+            }
+        });
+        
+        viewPager.setOnTouchListener(new OnTouchListener() {
+            @Override
+            public boolean onTouch(View v, MotionEvent event) {
+                return gestureDetector.onTouchEvent(event);
+            }
+        });
+        
+        btnBack.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                finish();
+            }
+        });
+        
+        btnDelete.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                showDeleteDialog();
+            }
+        });
+        
+        btnShare.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                shareCurrentImage();
+            }
+        });
+    }
+    
+    private void toggleToolbar() {
+        if (toolbar.getVisibility() == View.VISIBLE) {
+            toolbar.setVisibility(View.GONE);
+        } else {
+            toolbar.setVisibility(View.VISIBLE);
+        }
+    }
+    
+    private void showDeleteDialog() {
+        new AlertDialog.Builder(this)
+            .setMessage("Delete to trash?")
+            .setPositiveButton("Yes", new android.content.DialogInterface.OnClickListener() {
+                @Override
+                public void onClick(android.content.DialogInterface dialog, int which) {
+                    moveToTrash();
+                }
+            })
+            .setNegativeButton("No", null)
+            .show();
+    }
+    
+    private void moveToTrash() {
+        LogUtils.d(TAG, "moveToTrash");
+        if (currentPosition >= 0 && currentPosition < imageUrls.size()) {
+            String imagePath = "";
+            if (imagePaths != null && currentPosition < imagePaths.size()) {
+                imagePath = imagePaths.get(currentPosition);
+            } else {
+                imagePath = getPathFromUri(imageUrls.get(currentPosition));
+            }
+            
+            Uri imageUri = imageUrls.get(currentPosition);
+            long result = -1;
+            
+            if (!imagePath.isEmpty()) {
+                result = trashManager.addToTrash(imagePath);
+            }
+            
+            if (result > 0) {
+                try {
+                    getContentResolver().delete(imageUri, null, null);
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+                android.widget.Toast.makeText(this, "Moved to trash", android.widget.Toast.LENGTH_SHORT).show();
+                LogUtils.i(TAG, "Moved to trash");
+                removeCurrentImage();
+            } else {
+                try {
+                    int deleted = getContentResolver().delete(imageUri, null, null);
+                    android.widget.Toast.makeText(this, "Deleted: " + deleted, android.widget.Toast.LENGTH_SHORT).show();
+                    removeCurrentImage();
+                } catch (Exception e) {
+                    e.printStackTrace();
+                    removeCurrentImage();
+                }
+            }
+        }
+    }
+    
+    private void removeCurrentImage() {
+        imageUrls.remove(currentPosition);
+        if (imagePaths != null) {
+            imagePaths.remove(currentPosition);
+        }
+        
+        if (imageUrls.isEmpty()) {
+            finish();
+        } else {
+            if (currentPosition >= imageUrls.size()) {
+                currentPosition = imageUrls.size() - 1;
+            }
+            viewPager.setAdapter(new ImagePagerAdapter(imageUrls));
+            viewPager.setCurrentItem(currentPosition);
+        }
+    }
+    
+    private String getPathFromUri(Uri uri) {
+        String[] projection = { MediaStore.Images.Media.DATA };
+        android.database.Cursor cursor = getContentResolver().query(uri, projection, null, null, null);
+        if (cursor != null) {
+            try {
+                if (cursor.moveToFirst()) {
+                    int columnIndex = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
+                    return cursor.getString(columnIndex);
+                }
+            } finally {
+                cursor.close();
+            }
+        }
+        return uri.getPath();
+    }
+    
+    private void shareCurrentImage() {
+        if (currentPosition >= 0 && currentPosition < imageUrls.size()) {
+            Uri imageUri = imageUrls.get(currentPosition);
+            Intent shareIntent = new Intent(Intent.ACTION_SEND);
+            shareIntent.setType("image/*");
+            shareIntent.putExtra(Intent.EXTRA_STREAM, imageUri);
+            shareIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
+            startActivity(Intent.createChooser(shareIntent, "Share Image"));
+        }
+    }
+    
+    @Override
+    public void onPageSelected(int position) {
+        currentPosition = position;
+    }
+    
+    @Override
+    public void onPageScrollStateChanged(int state) {}
+    
+    @Override
+    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {}
+    
+    @Override
+    public void onBackPressed() {
+        finish();
+    }
+}

gallery/src/main/java/cc/winboll/studio/gallery/MainActivity.java

@@ -0,0 +1,234 @@
+package cc.winboll.studio.gallery;
+
+import android.Manifest;
+import android.content.ContentResolver;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.database.Cursor;
+import android.net.Uri;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.Environment;
+import android.provider.MediaStore;
+import android.provider.Settings;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.widget.Toast;
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
+import androidx.recyclerview.widget.GridLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import cc.winboll.studio.gallery.AlbumAdapter.OnAlbumClickListener;
+import cc.winboll.studio.libappbase.LogUtils;
+import cc.winboll.studio.libappbase.LogActivity;
+import java.io.File;
+import java.io.FileFilter;
+import java.util.ArrayList;
+
+public class MainActivity extends AppCompatActivity {
+    public static final String TAG = "MainActivity";
+    private static final int PERMISSION_REQUEST_CODE = 100;
+    private static final int MANAGE_PERMISSION_REQUEST_CODE = 101;
+    private RecyclerView recyclerView;
+    private AlbumAdapter adapter;
+    private Preferences prefs;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        LogUtils.d(TAG, "onCreate");
+        
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+        
+        prefs = new Preferences(this);
+        
+        recyclerView = findViewById(R.id.recycler_view);
+        recyclerView.setLayoutManager(new GridLayoutManager(this, 2));
+        adapter = new AlbumAdapter();
+        recyclerView.setAdapter(adapter);
+        
+        adapter.setOnAlbumClickListener(new OnAlbumClickListener() {
+            @Override
+            public void onAlbumClick(Album album) {
+                Intent intent = new Intent(MainActivity.this, AlbumActivity.class);
+                intent.putExtra(AlbumActivity.EXTRA_ALBUM_PATH, album.getPath());
+                intent.putExtra(AlbumActivity.EXTRA_ALBUM_NAME, album.getName());
+                startActivity(intent);
+            }
+        });
+        
+        checkAndRequestPermissions();
+    }
+    
+    private void checkAndRequestPermissions() {
+        LogUtils.i(TAG, "checkAndRequestPermissions");
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+            if (!Environment.isExternalStorageManager()) {
+                try {
+                    Intent intent = new Intent(Settings.ACTION_MANAGE_APP_ALL_FILES_ACCESS_PERMISSION);
+                    intent.setData(Uri.parse("package:" + getPackageName()));
+                    startActivityForResult(intent, MANAGE_PERMISSION_REQUEST_CODE);
+                } catch (Exception e) {
+                    Intent intent = new Intent(Settings.ACTION_MANAGE_ALL_FILES_ACCESS_PERMISSION);
+                    startActivityForResult(intent, MANAGE_PERMISSION_REQUEST_CODE);
+                }
+                return;
+            }
+        }
+        
+        if (checkPermission()) {
+            loadAlbums();
+        } else {
+            requestPermission();
+        }
+    }
+    
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        if (requestCode == MANAGE_PERMISSION_REQUEST_CODE) {
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+                if (Environment.isExternalStorageManager()) {
+                    loadAlbums();
+                } else {
+                    Toast.makeText(this, "Permission required", Toast.LENGTH_SHORT).show();
+                }
+            }
+        }
+    }
+    
+    private boolean checkPermission() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+            return Environment.isExternalStorageManager();
+        }
+        return ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE) 
+            == PackageManager.PERMISSION_GRANTED;
+    }
+
+    private void requestPermission() {
+        ActivityCompat.requestPermissions(this, 
+            new String[]{Manifest.permission.READ_EXTERNAL_STORAGE}, 
+            PERMISSION_REQUEST_CODE);
+    }
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, 
+            @NonNull int[] grantResults) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
+        if (requestCode == PERMISSION_REQUEST_CODE) {
+            if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
+                loadAlbums();
+            } else {
+                Toast.makeText(this, "Permission denied", Toast.LENGTH_SHORT).show();
+            }
+        }
+    }
+
+    private void loadAlbums() {
+        LogUtils.d(TAG, "loadAlbums");
+        String folderPath = prefs.getFolderPath();
+        File baseFolder = new File(folderPath);
+        
+        if (!baseFolder.exists() || !baseFolder.isDirectory()) {
+            folderPath = Environment.getExternalStorageDirectory() + "/DCIM";
+            baseFolder = new File(folderPath);
+            if (!baseFolder.exists()) {
+                folderPath = Environment.getExternalStorageDirectory() + "/Pictures";
+                baseFolder = new File(folderPath);
+            }
+        }
+        
+        ArrayList<Album> albums = new ArrayList<>();
+        
+        FileFilter directoryFilter = new FileFilter() {
+            @Override
+            public boolean accept(File file) {
+                return file.isDirectory();
+            }
+        };
+        File[] subfolders = baseFolder.listFiles(directoryFilter);
+        if (subfolders != null) {
+            for (File subfolder : subfolders) {
+                ArrayList<Uri> images = getImagesInFolder(subfolder.getAbsolutePath());
+                if (!images.isEmpty()) {
+                    Uri latestImage = images.get(0);
+                    albums.add(new Album(subfolder.getName(), subfolder.getAbsolutePath(), latestImage, images.size()));
+                }
+            }
+        }
+        
+        if (albums.isEmpty()) {
+            Toast.makeText(this, R.string.no_images_found, Toast.LENGTH_SHORT).show();
+            LogUtils.i(TAG, "No albums found");
+        }
+        adapter.setData(albums);
+        LogUtils.d(TAG, "Loaded " + albums.size() + " albums");
+    }
+
+    private ArrayList<Uri> getImagesInFolder(String folderPath) {
+        ArrayList<Uri> imageUrls = new ArrayList<>();
+        ContentResolver contentResolver = getContentResolver();
+        Uri collection = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
+        
+        String selection = MediaStore.Images.Media.DATA + " LIKE ?";
+        String[] selectionArgs = new String[]{folderPath + "/%"};
+        String sortOrder = MediaStore.Images.Media.DATE_ADDED + " DESC";
+        
+        try (Cursor cursor = contentResolver.query(collection, null, selection, selectionArgs, sortOrder)) {
+            if (cursor != null) {
+                int dataColumn = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
+                while (cursor.moveToNext()) {
+                    String path = cursor.getString(dataColumn);
+                    if (path != null) {
+                        long id = cursor.getLong(cursor.getColumnIndexOrThrow(MediaStore.Images.Media._ID));
+                        Uri contentUri = Uri.withAppendedPath(collection, String.valueOf(id));
+                        imageUrls.add(contentUri);
+                    }
+                }
+            }
+        }
+        return imageUrls;
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        getMenuInflater().inflate(R.menu.menu_main, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
+        int id = item.getItemId();
+        if (id == R.id.action_settings) {
+            startActivity(new Intent(this, SettingsActivity.class));
+            return true;
+        } else if (id == R.id.action_trash) {
+            startActivity(new Intent(this, TrashActivity.class));
+            return true;
+        } else if (id == R.id.action_refresh) {
+            if (checkPermission()) {
+                loadAlbums();
+            }
+            return true;
+        } else if (id == R.id.action_debug) {
+			LogActivity.startLogActivity(this);
+//            Log.d("Gallery", "Debug log message");
+//            Toast.makeText(this, R.string.debug_message, Toast.LENGTH_SHORT).show();
+            return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+    
+    @Override
+    protected void onResume() {
+        super.onResume();
+        if (checkPermission()) {
+            loadAlbums();
+        }
+    }
+}

gallery/src/main/java/cc/winboll/studio/gallery/Preferences.java

@@ -0,0 +1,33 @@
+package cc.winboll.studio.gallery;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import cc.winboll.studio.libappbase.LogUtils;
+
+public class Preferences {
+    public static final String TAG = "Preferences";
+    private static final String PREF_NAME = "gallery_prefs";
+    private static final String KEY_FOLDER_PATH = "folder_path";
+    private static final String DEFAULT_PATH = "/storage/emulated/0/DCIM";
+    
+    public static String getDefaultPath() {
+        return DEFAULT_PATH;
+    }
+    
+    private final SharedPreferences prefs;
+    
+    public Preferences(Context context) {
+        prefs = context.getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE);
+    }
+    
+    public String getFolderPath() {
+        String path = prefs.getString(KEY_FOLDER_PATH, DEFAULT_PATH);
+        LogUtils.d(TAG, "getFolderPath: " + path);
+        return path;
+    }
+    
+    public void setFolderPath(String path) {
+        LogUtils.d(TAG, "setFolderPath: " + path);
+        prefs.edit().putString(KEY_FOLDER_PATH, path).apply();
+    }
+}

gallery/src/main/java/cc/winboll/studio/gallery/SettingsActivity.java

@@ -0,0 +1,46 @@
+package cc.winboll.studio.gallery;
+
+import android.os.Bundle;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.TextView;
+import androidx.appcompat.app.AppCompatActivity;
+import cc.winboll.studio.libappbase.LogUtils;
+
+public class SettingsActivity extends AppCompatActivity {
+    public static final String TAG = "SettingsActivity";
+    private Preferences prefs;
+    private EditText editFolderPath;
+    private TextView textCurrentPath;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_settings);
+        LogUtils.d(TAG, "onCreate");
+        
+        prefs = new Preferences(this);
+        
+        editFolderPath = findViewById(R.id.edit_folder_path);
+        textCurrentPath = findViewById(R.id.text_current_path);
+        Button btnSave = findViewById(R.id.btn_save);
+        
+        String currentPath = prefs.getFolderPath();
+        editFolderPath.setText(currentPath);
+        textCurrentPath.setText("Current: " + currentPath);
+        
+        btnSave.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                String newPath = editFolderPath.getText().toString().trim();
+                if (!newPath.isEmpty()) {
+                    prefs.setFolderPath(newPath);
+                    textCurrentPath.setText("Current: " + newPath);
+                }
+                finish();
+            }
+        });
+    }
+}

gallery/src/main/java/cc/winboll/studio/gallery/TrashActivity.java

@@ -0,0 +1,193 @@
+package cc.winboll.studio.gallery;
+
+import android.content.ContentResolver;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.database.Cursor;
+import android.net.Uri;
+import android.os.Bundle;
+import android.provider.MediaStore;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.widget.Toast;
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
+import androidx.recyclerview.widget.GridLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import java.io.File;
+import java.util.ArrayList;
+
+import cc.winboll.studio.libappbase.LogUtils;
+
+public class TrashActivity extends AppCompatActivity {
+    public static final String TAG = "TrashActivity";
+    private static final int PERMISSION_REQUEST_CODE = 102;
+    private RecyclerView recyclerView;
+    private TrashAdapter adapter;
+    private TrashManager trashManager;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        LogUtils.d(TAG, "onCreate");
+        
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+        getSupportActionBar().setTitle("Trash");
+        
+        trashManager = new TrashManager(this);
+        
+        recyclerView = findViewById(R.id.recycler_view);
+        recyclerView.setLayoutManager(new GridLayoutManager(this, 3));
+        adapter = new TrashAdapter();
+        recyclerView.setAdapter(adapter);
+        
+        adapter.setOnTrashClickListener(new TrashAdapter.OnTrashClickListener() {
+            @Override
+            public void onRestoreClick(int position) {
+                restoreImage(position);
+            }
+            
+            @Override
+            public void onDeleteClick(int position) {
+                permanentlyDelete(position);
+            }
+        });
+        
+        if (checkPermission()) {
+            loadTrash();
+        } else {
+            requestPermission();
+        }
+    }
+
+    private boolean checkPermission() {
+        return ContextCompat.checkSelfPermission(this, android.Manifest.permission.READ_EXTERNAL_STORAGE) 
+            == PackageManager.PERMISSION_GRANTED;
+    }
+
+    private void requestPermission() {
+        ActivityCompat.requestPermissions(this, 
+            new String[]{android.Manifest.permission.READ_EXTERNAL_STORAGE}, 
+            PERMISSION_REQUEST_CODE);
+    }
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, 
+            @NonNull int[] grantResults) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
+        if (requestCode == PERMISSION_REQUEST_CODE) {
+            if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
+                loadTrash();
+            } else {
+                Toast.makeText(this, "Permission denied", Toast.LENGTH_SHORT).show();
+            }
+        }
+    }
+
+    private void loadTrash() {
+        LogUtils.d(TAG, "loadTrash");
+        Cursor cursor = trashManager.getTrashList();
+        ArrayList<TrashItem> items = new ArrayList<TrashItem>();
+        ArrayList<Uri> uris = new ArrayList<Uri>();
+        
+        String trashPath = TrashDbHelper.getTrashPath();
+        File trashDir = new File(trashPath);
+        
+        if (cursor != null && cursor.getCount() > 0) {
+            cursor.moveToFirst();
+            do {
+                try {
+                    long id = cursor.getLong(cursor.getColumnIndexOrThrow("_id"));
+                    String fileName = cursor.getString(cursor.getColumnIndexOrThrow("file_name"));
+                    String originalPath = cursor.getString(cursor.getColumnIndexOrThrow("original_path"));
+                    String originalFolder = cursor.getString(cursor.getColumnIndexOrThrow("original_folder"));
+                    
+                    TrashItem item = new TrashItem();
+                    item.id = id;
+                    item.fileName = fileName;
+                    item.originalPath = originalPath;
+                    item.originalFolder = originalFolder;
+                    
+                    File trashFile = new File(trashDir, fileName);
+                    if (trashFile.exists()) {
+                        items.add(item);
+                        uris.add(Uri.fromFile(trashFile));
+                    }
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            } while (cursor.moveToNext());
+            cursor.close();
+        }
+        
+        adapter.setData(items, uris);
+        
+        if (items.isEmpty()) {
+            Toast.makeText(this, "Trash is empty", Toast.LENGTH_SHORT).show();
+        }
+    }
+
+    private void restoreImage(int position) {
+        LogUtils.d(TAG, "restoreImage: " + position);
+        long id = adapter.getItemId(position);
+        String fileName = adapter.getFileName(position);
+        String originalPath = adapter.getOriginalPath(position);
+        
+        if (trashManager.restore(id, fileName, originalPath)) {
+            Toast.makeText(this, "Image restored", Toast.LENGTH_SHORT).show();
+            LogUtils.i(TAG, "Image restored");
+            loadTrash();
+        } else {
+            Toast.makeText(this, "Restore failed", Toast.LENGTH_SHORT).show();
+        }
+    }
+
+    private void permanentlyDelete(int position) {
+        long id = adapter.getItemId(position);
+        String fileName = adapter.getFileName(position);
+        
+        if (trashManager.deletePermanently(id, fileName)) {
+            Toast.makeText(this, "Image deleted", Toast.LENGTH_SHORT).show();
+            loadTrash();
+        } else {
+            Toast.makeText(this, "Delete failed", Toast.LENGTH_SHORT).show();
+        }
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        getMenuInflater().inflate(R.menu.menu_trash, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
+        if (item.getItemId() == R.id.action_clear_trash) {
+            trashManager.clearTrash();
+            Toast.makeText(this, "Trash cleared", Toast.LENGTH_SHORT).show();
+            loadTrash();
+            return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+    
+    @Override
+    protected void onResume() {
+        super.onResume();
+        if (checkPermission()) {
+            loadTrash();
+        }
+    }
+    
+    public static class TrashItem {
+        public long id;
+        public String fileName;
+        public String originalPath;
+        public String originalFolder;
+    }
+}

gallery/src/main/java/cc/winboll/studio/gallery/TrashAdapter.java

@@ -0,0 +1,111 @@
+package cc.winboll.studio.gallery;
+
+import android.net.Uri;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+import com.bumptech.glide.Glide;
+import java.util.ArrayList;
+
+import cc.winboll.studio.libappbase.LogUtils;
+
+public class TrashAdapter extends RecyclerView.Adapter<TrashAdapter.ViewHolder> {
+    public static final String TAG = "TrashAdapter";
+    private ArrayList<TrashActivity.TrashItem> trashItems = new ArrayList<TrashActivity.TrashItem>();
+    private ArrayList<Uri> imageUrls = new ArrayList<Uri>();
+    private OnTrashClickListener listener;
+
+    public interface OnTrashClickListener {
+        void onRestoreClick(int position);
+        void onDeleteClick(int position);
+    }
+
+    public void setOnTrashClickListener(OnTrashClickListener listener) {
+        this.listener = listener;
+    }
+
+    public void setData(ArrayList<TrashActivity.TrashItem> items, ArrayList<Uri> uris) {
+        this.trashItems = items;
+        this.imageUrls = uris;
+        LogUtils.d(TAG, "setData: " + items.size() + " items");
+        notifyDataSetChanged();
+    }
+
+    public long getItemId(int position) {
+        if (position >= 0 && position < trashItems.size()) {
+            return trashItems.get(position).id;
+        }
+        return -1;
+    }
+    
+    public String getFileName(int position) {
+        if (position >= 0 && position < trashItems.size()) {
+            return trashItems.get(position).fileName;
+        }
+        return "";
+    }
+    
+    public String getOriginalPath(int position) {
+        if (position >= 0 && position < trashItems.size()) {
+            return trashItems.get(position).originalPath;
+        }
+        return "";
+    }
+
+    @NonNull
+    @Override
+    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext())
+            .inflate(R.layout.item_trash, parent, false);
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull ViewHolder holder, final int position) {
+        if (position < imageUrls.size()) {
+            Glide.with(holder.imageView.getContext())
+                .load(imageUrls.get(position))
+                .centerCrop()
+                .into(holder.imageView);
+        }
+        
+        holder.btnRestore.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (listener != null) {
+                    listener.onRestoreClick(position);
+                }
+            }
+        });
+        
+        holder.btnDelete.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (listener != null) {
+                    listener.onDeleteClick(position);
+                }
+            }
+        });
+    }
+
+    @Override
+    public int getItemCount() {
+        return trashItems.size();
+    }
+
+    static class ViewHolder extends RecyclerView.ViewHolder {
+        ImageView imageView;
+        ImageView btnRestore;
+        ImageView btnDelete;
+        ViewHolder(View itemView) {
+            super(itemView);
+            imageView = itemView.findViewById(R.id.image);
+            btnRestore = itemView.findViewById(R.id.btn_restore);
+            btnDelete = itemView.findViewById(R.id.btn_delete);
+        }
+    }
+}

gallery/src/main/java/cc/winboll/studio/gallery/TrashDbHelper.java

@@ -0,0 +1,78 @@
+package cc.winboll.studio.gallery;
+
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+import android.os.Environment;
+import java.io.File;
+
+import cc.winboll.studio.libappbase.LogUtils;
+
+public class TrashDbHelper extends SQLiteOpenHelper {
+    public static final String TAG = "TrashDbHelper";
+    private static final String DB_NAME = "trash.db";
+    private static final int DB_VERSION = 1;
+    private static final String TABLE_NAME = "trash_items";
+    private static final String COL_ID = "_id";
+    private static final String COL_FILE_NAME = "file_name";
+    private static final String COL_ORIGINAL_PATH = "original_path";
+    private static final String COL_ORIGINAL_FOLDER = "original_folder";
+    private static final String COL_DELETE_TIME = "delete_time";
+    
+    public TrashDbHelper(Context context) {
+        super(context, DB_NAME, null, DB_VERSION);
+    }
+    
+    @Override
+    public void onCreate(SQLiteDatabase db) {
+        LogUtils.d(TAG, "onCreate");
+        db.execSQL("CREATE TABLE " + TABLE_NAME + " (" +
+            COL_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, " +
+            COL_FILE_NAME + " TEXT, " +
+            COL_ORIGINAL_PATH + " TEXT, " +
+            COL_ORIGINAL_FOLDER + " TEXT, " +
+            COL_DELETE_TIME + " INTEGER)");
+    }
+    
+    @Override
+    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+        LogUtils.i(TAG, "onUpgrade: " + oldVersion + " -> " + newVersion);
+        db.execSQL("DROP TABLE IF EXISTS " + TABLE_NAME);
+        onCreate(db);
+    }
+    
+    public long insert(String fileName, String originalPath, String originalFolder) {
+        SQLiteDatabase db = getWritableDatabase();
+        ContentValues values = new ContentValues();
+        values.put(COL_FILE_NAME, fileName);
+        values.put(COL_ORIGINAL_PATH, originalPath);
+        values.put(COL_ORIGINAL_FOLDER, originalFolder);
+        values.put(COL_DELETE_TIME, System.currentTimeMillis());
+        return db.insert(TABLE_NAME, null, values);
+    }
+    
+    public Cursor getAll() {
+        SQLiteDatabase db = getReadableDatabase();
+        return db.query(TABLE_NAME, null, null, null, null, null, COL_DELETE_TIME + " DESC");
+    }
+    
+    public int delete(long id) {
+        SQLiteDatabase db = getWritableDatabase();
+        return db.delete(TABLE_NAME, COL_ID + "=?", new String[]{String.valueOf(id)});
+    }
+    
+    public void clear() {
+        SQLiteDatabase db = getWritableDatabase();
+        db.delete(TABLE_NAME, null, null);
+    }
+    
+    public static String getTrashPath() {
+        File trashDir = new File(Environment.getExternalStorageDirectory(), ".Trash");
+        if (!trashDir.exists()) {
+            trashDir.mkdirs();
+        }
+        return trashDir.getAbsolutePath();
+    }
+}

gallery/src/main/java/cc/winboll/studio/gallery/TrashManager.java

@@ -0,0 +1,112 @@
+package cc.winboll.studio.gallery;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.net.Uri;
+import android.provider.MediaStore;
+import java.io.File;
+import java.util.UUID;
+
+import cc.winboll.studio.libappbase.LogUtils;
+
+public class TrashManager {
+    public static final String TAG = "TrashManager";
+    private final Context context;
+    private final TrashDbHelper dbHelper;
+    
+    public TrashManager(Context context) {
+        LogUtils.d(TAG, "TrashManager created");
+        this.context = context;
+        this.dbHelper = new TrashDbHelper(context);
+    }
+    
+    public long addToTrash(String imagePath) {
+        LogUtils.d(TAG, "addToTrash: " + imagePath);
+        File sourceFile = new File(imagePath);
+        if (!sourceFile.exists()) {
+            return -1;
+        }
+        
+        String uniqueId = UUID.randomUUID().toString();
+        String extension = getExtension(imagePath);
+        String newFileName = uniqueId + extension;
+        String trashPath = TrashDbHelper.getTrashPath();
+        File destFile = new File(trashPath, newFileName);
+        
+        if (sourceFile.renameTo(destFile)) {
+            String originalFolder = sourceFile.getParent();
+            long result = dbHelper.insert(newFileName, imagePath, originalFolder);
+            LogUtils.i(TAG, "Added to trash: " + newFileName);
+            return result;
+        }
+        LogUtils.e(TAG, "Failed to move to trash");
+        return -1;
+    }
+    
+    public Cursor getTrashList() {
+        return dbHelper.getAll();
+    }
+    
+    public boolean restore(long id, String fileName, String originalPath) {
+        LogUtils.i(TAG, "restore: " + fileName + " -> " + originalPath);
+        File trashFile = new File(TrashDbHelper.getTrashPath(), fileName);
+        if (!trashFile.exists()) {
+            return false;
+        }
+        
+        File originalFolder = new File(originalPath).getParentFile();
+        if (originalFolder != null && !originalFolder.exists()) {
+            originalFolder.mkdirs();
+        }
+        
+        File originalFile = new File(originalPath);
+        String restoreName = originalFile.getName();
+        File restoreFile = new File(originalFolder, restoreName);
+        
+        if (trashFile.renameTo(restoreFile)) {
+            dbHelper.delete(id);
+            LogUtils.i(TAG, "Restored: " + fileName);
+            return true;
+        }
+        
+        LogUtils.e(TAG, "Failed to restore: " + fileName);
+        return false;
+    }
+    
+    public boolean deletePermanently(long id, String fileName) {
+        File trashFile = new File(TrashDbHelper.getTrashPath(), fileName);
+        boolean deleted = trashFile.delete();
+        if (deleted) {
+            dbHelper.delete(id);
+        }
+        return deleted;
+    }
+    
+    public void clearTrash() {
+        Cursor cursor = getTrashList();
+        if (cursor != null) {
+            while (cursor.moveToNext()) {
+                try {
+                    int colIndex = cursor.getColumnIndexOrThrow("_id");
+                    if (!cursor.isNull(colIndex)) {
+                        String fileName = cursor.getString(cursor.getColumnIndexOrThrow("file_name"));
+                        File trashFile = new File(TrashDbHelper.getTrashPath(), fileName);
+                        trashFile.delete();
+                    }
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            }
+            cursor.close();
+        }
+        dbHelper.clear();
+    }
+    
+    private String getExtension(String path) {
+        int lastDot = path.lastIndexOf('.');
+        if (lastDot > 0) {
+            return path.substring(lastDot);
+        }
+        return ".jpg";
+    }
+}