V1.0.0(3),优化

app/src/main/java/com/sound/prankparty/Activity/NewRecordActivity.java

@@ -28,15 +28,6 @@ public class NewRecordActivity extends AppCompatActivity {
     private long startTime;
     private MediaRecorder mediaRecorder;
     private File outputFile;
-    private Runnable updateTimeTask = new Runnable() {
-        @Override
-        public void run() {
-            long currentTime = System.currentTimeMillis();
-            long elapsedTime = currentTime - startTime;
-            binding.newRecordTime.setText(formatTime(elapsedTime));
-            handler.postDelayed(this, 1000);
-        }
-    };
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -55,7 +46,7 @@ public class NewRecordActivity extends AppCompatActivity {
             }
         });
 
-        binding.newRecordBack.setOnClickListener(v -> finish());
+        binding.newRecordBack.setOnClickListener(v -> onBackPressed());
     }
 
     private void toggleRecording() {
@@ -69,6 +60,17 @@ public class NewRecordActivity extends AppCompatActivity {
         isStarted = !isStarted; // 切换录音状态
     }
 
+    //每个一秒更新显示录音时长
+    private Runnable updateTimeTask = new Runnable() {
+        @Override
+        public void run() {
+            long currentTime = System.currentTimeMillis();
+            long elapsedTime = currentTime - startTime;
+            binding.newRecordTime.setText(formatTime(elapsedTime));
+            handler.postDelayed(this, 1000);
+        }
+    };
+
     @Override
     public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
         super.onRequestPermissionsResult(requestCode, permissions, grantResults);
@@ -137,9 +139,40 @@ public class NewRecordActivity extends AppCompatActivity {
         return String.format("%02d:%02d:%02d", hours, minutes, seconds);
     }
 
+    @Override
+    public void onBackPressed() {
+        if (isStarted) {
+            // 停止录音并释放MediaRecorder
+            if (mediaRecorder != null) {
+                mediaRecorder.stop();
+                mediaRecorder.release();
+                mediaRecorder = null;
+            }
+            // 删除录音文件
+            deleteRecordingFile();
+        }
+        finish();
+        super.onBackPressed();
+    }
+
+    private void deleteRecordingFile() {
+        if (outputFile != null && outputFile.exists()) {
+            boolean deleted = outputFile.delete();
+        }
+    }
+
     @Override
     protected void onDestroy() {
         super.onDestroy();
         handler.removeCallbacks(updateTimeTask);
+        if (isStarted) {
+            // 停止录音并释放MediaRecorder
+            if (mediaRecorder != null) {
+                mediaRecorder.stop();
+                mediaRecorder.release();
+                mediaRecorder = null;
+            }
+            deleteRecordingFile();
+        }
     }
 }

app/src/main/java/com/sound/prankparty/Activity/SaveRecordActivity.java

@@ -1,5 +1,6 @@
 package com.sound.prankparty.Activity;
 
+import android.annotation.SuppressLint;
 import android.content.Intent;
 import android.media.MediaPlayer;
 import android.os.Bundle;
@@ -11,6 +12,7 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Toast;
 
+import androidx.activity.OnBackPressedCallback;
 import androidx.appcompat.app.AppCompatActivity;
 
 import com.sound.prankparty.R;
@@ -19,6 +21,7 @@ import com.sound.prankparty.Room.SaveSounds;
 import com.sound.prankparty.Room.SaveSoundsDao;
 import com.sound.prankparty.databinding.ActivitySaveRecordBinding;
 
+import java.io.File;
 import java.io.IOException;
 import java.text.DateFormatSymbols;
 import java.text.SimpleDateFormat;
@@ -67,7 +70,16 @@ public class SaveRecordActivity extends AppCompatActivity {
         // 设置焦点变化监听器
         binding.saveRecordName.setOnFocusChangeListener((v, hasFocus) -> binding.saveRecordName.setCursorVisible(hasFocus));
 
-        binding.saveRecordBack.setOnClickListener(v -> finish());
+        binding.saveRecordBack.setOnClickListener(v -> handleBackPressed());
+
+        // 添加 OnBackPressedCallback 来处理返回操作
+        getOnBackPressedDispatcher().addCallback(this, new OnBackPressedCallback(true) {
+            @Override
+            public void handleOnBackPressed() {
+                // 调用相同的处理逻辑
+                handleBackPressed();
+            }
+        });
 
         // 处理全局点击事件
         binding.main.setOnClickListener(v -> {
@@ -87,7 +99,8 @@ public class SaveRecordActivity extends AppCompatActivity {
 
         binding.saveRecordSave.setOnClickListener(v -> {
             inputText = binding.saveRecordName.getText().toString();
-            if (inputText == null || inputText.trim().isEmpty()) {
+            //检测是否输入为空字符串
+            if (inputText.trim().isEmpty()) {
                 Toast.makeText(getApplicationContext(), "名称不能为空", Toast.LENGTH_SHORT).show();
                 return;
             }
@@ -107,6 +120,19 @@ public class SaveRecordActivity extends AppCompatActivity {
         });
     }
 
+    public void handleBackPressed() {
+        // 删除录音文件
+        deleteRecordingFile();
+        finish();
+    }
+
+    private void deleteRecordingFile() {
+        File file = new File(audioFilePath);
+        if (file.exists()) {
+            boolean deleted = file.delete();
+        }
+    }
+
     private void clearFocusFromAllChildren(ViewGroup parent) {
         for (int i = 0; i < parent.getChildCount(); i++) {
             View child = parent.getChildAt(i);
@@ -180,8 +206,10 @@ public class SaveRecordActivity extends AppCompatActivity {
             mediaPlayer.release();
             mediaPlayer = null;
         }
+        deleteRecordingFile();
     }
 
+    @SuppressLint("DefaultLocale")
     private String formatTime(int duration) {
         int seconds = (duration / 1000) % 60;
         int minutes = (duration / (1000 * 60)) % 60;

app/src/main/java/com/sound/prankparty/Adapter/AirHornRecyclerViewAdapter.java

@@ -15,8 +15,6 @@ import androidx.recyclerview.widget.RecyclerView;
 import com.bumptech.glide.Glide;
 import com.bumptech.glide.load.engine.DiskCacheStrategy;
 import com.bumptech.glide.load.resource.bitmap.CenterCrop;
-import com.bumptech.glide.load.resource.bitmap.RoundedCorners;
-import com.bumptech.glide.request.RequestOptions;
 import com.sound.MainApplication;
 import com.sound.prankparty.Activity.PlaySoundActivity;
 import com.sound.prankparty.JSON.SoundItem;
@@ -26,9 +24,9 @@ import java.util.List;
 
 public class AirHornRecyclerViewAdapter extends RecyclerView.Adapter<AirHornRecyclerViewAdapter.AirhonrViewHolder> {
 
-    private Context context;
+    private final Context context;
-    private List<SoundItem> soundItemList;
+    private final List<SoundItem> soundItemList;
-    private int color;
+    private final int color;
 
     public AirHornRecyclerViewAdapter(Context context, List<SoundItem> soundItemList,int color) {
         this.context = context;
@@ -64,25 +62,22 @@ public class AirHornRecyclerViewAdapter extends RecyclerView.Adapter<AirHornRecy
             holder.textView.setText("");
         }
 
-        if (soundItem != null) {
+        Glide.with(MainApplication.getContext())
+                //指定加载的资源类型为Drawable
+                .asDrawable()
+                //设置跳过内存缓存，即加载的图片不会存储在内存缓存中
+                .skipMemoryCache(true)
+                //设置磁盘缓存策略为DiskCacheStrategy.ALL，即缓存原始图片和转换后的图片
+                .diskCacheStrategy(DiskCacheStrategy.ALL)
+                .load(soundItem.getPreUrl())
+                .transform(new CenterCrop())
+                .into(holder.imageView);
 
-            Glide.with(MainApplication.getContext())
+        holder.imageView.setOnClickListener(v -> {
-                    //指定加载的资源类型为Drawable
+            Intent intent = new Intent(context, PlaySoundActivity.class);
-                    .asDrawable()
+            intent.putExtra("1234", soundItem);
-                    //设置跳过内存缓存，即加载的图片不会存储在内存缓存中
+            context.startActivity(intent);
-                    .skipMemoryCache(true)
+        });
-                    //设置磁盘缓存策略为DiskCacheStrategy.ALL，即缓存原始图片和转换后的图片
-                    .diskCacheStrategy(DiskCacheStrategy.ALL)
-                    .load(soundItem.getPreUrl())
-                    .transform(new CenterCrop())
-                    .into(holder.imageView);
-
-            holder.imageView.setOnClickListener(v -> {
-                Intent intent = new Intent(context, PlaySoundActivity.class);
-                intent.putExtra("1234", soundItem);
-                context.startActivity(intent);
-            });
-        }
 
     }
 
@@ -91,7 +86,7 @@ public class AirHornRecyclerViewAdapter extends RecyclerView.Adapter<AirHornRecy
         return soundItemList.size();
     }
 
-    static class AirhonrViewHolder extends RecyclerView.ViewHolder {
+    public static class AirhonrViewHolder extends RecyclerView.ViewHolder {
 
         ImageView imageView;
         TextView textView;

app/src/main/java/com/sound/prankparty/Adapter/FavoriteRecyclerViewAdapter.java

@@ -48,13 +48,6 @@ public class FavoriteRecyclerViewAdapter extends RecyclerView.Adapter<FavoriteRe
         };
     }
 
-    public void updateData(List<FavoriteSounds> newFavoriteSoundsList) {
-        DiffUtil.DiffResult diffResult = DiffUtil.calculateDiff(new FavoriteSoundsDiffCallback(favoriteSoundsList, newFavoriteSoundsList));
-        favoriteSoundsList.clear();
-        favoriteSoundsList.addAll(newFavoriteSoundsList);
-        diffResult.dispatchUpdatesTo(this);
-    }
-
     @NonNull
     @Override
     public FavoriteRecyclerViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
@@ -76,7 +69,7 @@ public class FavoriteRecyclerViewAdapter extends RecyclerView.Adapter<FavoriteRe
                 SoundItem soundItem = new SoundItem(favoriteSounds.getPath(), favoriteSounds.getImagePath(), favoriteSounds.getName());
 
                 Intent intent = new Intent(fragment.getContext(), PlaySoundActivity.class);
-                intent.putExtra("1234",soundItem);
+                intent.putExtra("1234", soundItem);
                 fragment.startActivity(intent);
             }
         });
@@ -92,12 +85,19 @@ public class FavoriteRecyclerViewAdapter extends RecyclerView.Adapter<FavoriteRe
                 .into(holder.imageView);
     }
 
+    public void updateData(List<FavoriteSounds> newFavoriteSoundsList) {
+        DiffUtil.DiffResult diffResult = DiffUtil.calculateDiff(new FavoriteSoundsDiffCallback(favoriteSoundsList, newFavoriteSoundsList));
+        favoriteSoundsList.clear();
+        favoriteSoundsList.addAll(newFavoriteSoundsList);
+        diffResult.dispatchUpdatesTo(this);
+    }
+
     @Override
     public int getItemCount() {
         return favoriteSoundsList != null ? favoriteSoundsList.size() : 0;
     }
 
-    static class FavoriteRecyclerViewHolder extends RecyclerView.ViewHolder {
+    public static class FavoriteRecyclerViewHolder extends RecyclerView.ViewHolder {
         ImageView imageView;
         TextView textView;
 

app/src/main/java/com/sound/prankparty/Adapter/RadioRecyclerViewAdapter.java

@@ -112,7 +112,7 @@ public class RadioRecyclerViewAdapter extends RecyclerView.Adapter<RadioRecycler
         holder.favorite.setImageResource(isFavorite ? R.drawable.favorite : R.drawable.unfavorite);
     }
 
-    static class RadioViewHolder extends RecyclerView.ViewHolder {
+    public static class RadioViewHolder extends RecyclerView.ViewHolder {
 
         private TextView title;
         private TextView date;

app/src/main/java/com/sound/prankparty/Adapter/SoundRecyclerViewAdapter.java

@@ -16,10 +16,8 @@ import androidx.recyclerview.widget.RecyclerView;
 import com.bumptech.glide.Glide;
 import com.bumptech.glide.load.engine.DiskCacheStrategy;
 import com.bumptech.glide.load.resource.bitmap.CenterCrop;
-import com.bumptech.glide.load.resource.bitmap.RoundedCorners;
-import com.bumptech.glide.request.RequestOptions;
-import com.sound.prankparty.Activity.AirHornActivity;
 import com.sound.MainApplication;
+import com.sound.prankparty.Activity.AirHornActivity;
 import com.sound.prankparty.JSON.Category;
 import com.sound.prankparty.R;
 

app/src/main/java/com/sound/prankparty/FirstFragment/SoundRecyclerViewAdapter.java

@@ -33,7 +33,7 @@ public class SoundRecyclerViewAdapter extends RecyclerView.Adapter<SoundRecycler
         this.categoryList = categoryList;
 
         colors = new int[]{
-                ContextCompat.getColor(context, R.color.color1),
+                ContextCompat.getColor(context, R.color.color4),
                 ContextCompat.getColor(context, R.color.color2),
                 ContextCompat.getColor(context, R.color.color3)
                 // 添加更多颜色

app/src/main/java/com/sound/prankparty/Fragment/FavoriteFragment.java

@@ -5,8 +5,10 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 
+import androidx.annotation.NonNull;
 import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
+import androidx.recyclerview.widget.DefaultItemAnimator;
 import androidx.recyclerview.widget.GridLayoutManager;
 
 import com.sound.prankparty.R;
@@ -26,7 +28,7 @@ public class FavoriteFragment extends Fragment {
     private FragmentFavoriteBinding binding;
 
     @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
         binding = FragmentFavoriteBinding.inflate(inflater, container, false);
         View view = binding.getRoot();
@@ -39,6 +41,9 @@ public class FavoriteFragment extends Fragment {
         favoriteRecyclerViewAdapter = new FavoriteRecyclerViewAdapter(requireContext(), this);
         binding.favoriteRecyclerview.setAdapter(favoriteRecyclerViewAdapter);
 
+        binding.favoriteRecyclerview.setItemAnimator(null); // 关闭默认动画
+
+
         // 为 RecyclerView 添加自定义的间距装饰
         ItemDecoration itemDecoration = new ItemDecoration(16, 19, 10);
         binding.favoriteRecyclerview.addItemDecoration(itemDecoration);
@@ -57,6 +62,7 @@ public class FavoriteFragment extends Fragment {
                 binding.fragmentFavoriteTips.setVisibility(View.GONE);
                 binding.fragmentFavoriteImage.setVisibility(View.GONE);
             }
+
             favoriteRecyclerViewAdapter.updateData(favoriteSoundsList);
         });
 
@@ -66,8 +72,6 @@ public class FavoriteFragment extends Fragment {
     @Override
     public void onResume() {
         super.onResume();
-        // 触发数据刷新
-        viewModel.refreshData();
     }
 
     @Override

app/src/main/java/com/sound/prankparty/Fragment/RadioFragment.java

@@ -12,6 +12,7 @@ import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.provider.MediaStore;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -31,6 +32,7 @@ import com.sound.prankparty.Activity.NewRecordActivity;
 import com.sound.prankparty.Adapter.RadioRecyclerViewAdapter;
 import com.sound.prankparty.R;
 import com.sound.prankparty.Room.AppDatabase;
+import com.sound.prankparty.Room.FavoriteSounds;
 import com.sound.prankparty.Room.FavoriteSoundsDao;
 import com.sound.prankparty.Room.SaveSounds;
 import com.sound.prankparty.Room.SaveSoundsDao;
@@ -74,7 +76,7 @@ public class RadioFragment extends Fragment {
 
         // 初始化 RecyclerView
         binding.radioRecyclerview.setLayoutManager(new GridLayoutManager(getContext(), 1));
-        radioRecyclerViewAdapter = new RadioRecyclerViewAdapter(requireContext(), this, favoriteSoundsDao,saveSoundsDao);
+        radioRecyclerViewAdapter = new RadioRecyclerViewAdapter(requireContext(), this, favoriteSoundsDao, saveSoundsDao);
         binding.radioRecyclerview.setAdapter(radioRecyclerViewAdapter);
 
         // 初始化 MyItemTouchHelperCallback
@@ -91,24 +93,12 @@ public class RadioFragment extends Fragment {
         return view;
     }
 
-
     @Override
     public void onResume() {
         super.onResume();
         refreshData();
     }
 
-    public void deleteItem(int position) {
-        new Thread(() -> {
-            SaveSounds sound = saveSoundsList.get(position);
-            saveSoundsDao.deleteSound(sound);
-            requireActivity().runOnUiThread(() -> {
-                refreshData();
-            });
-        }).start();
-    }
-
-
     private void showCustomBottomSheetDialog() {
         BottomSheetDialog bottomSheetDialog = new BottomSheetDialog(requireContext());
         View dialogView = LayoutInflater.from(requireContext()).inflate(R.layout.bottom_sheet_dialog, null);
@@ -148,8 +138,8 @@ public class RadioFragment extends Fragment {
         bottomSheetDialog.show();
     }
 
-
     // 处理权限请求结果
+
     @Override
     public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
         super.onRequestPermissionsResult(requestCode, permissions, grantResults);
@@ -161,8 +151,8 @@ public class RadioFragment extends Fragment {
             }
         }
     }
-
     // 打开音频选择器
+
     private void openAudioPicker() {
         Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT); // 改为 ACTION_OPEN_DOCUMENT
         intent.setType("audio/*"); // 设置 MIME 类型为音频
@@ -170,8 +160,8 @@ public class RadioFragment extends Fragment {
         startActivityForResult(intent, REQUEST_CODE_PICK_AUDIO);
     }
 
-
     // 处理 Activity 结果
+
     @Override
     public void onActivityResult(int requestCode, int resultCode, Intent data) {
         super.onActivityResult(requestCode, resultCode, data);
@@ -188,13 +178,23 @@ public class RadioFragment extends Fragment {
                 }
 
                 // 获取文件的最后修改时间
-                long lastModifiedTime = getLastModifiedTime(requireContext(),audioUri);
+                long lastModifiedTime = getLastModifiedTime(requireContext(), audioUri);
                 String[] lastModifiedDateTime = getDateTimeFromLastModified(lastModifiedTime);
 
                 long finalDuration = duration;
+
                 new Thread(() -> {
                     try {
-                        saveSoundsDao.insertSound(new SaveSounds(fileName, audioUri.toString(), lastModifiedDateTime[0], lastModifiedDateTime[1], formatDuration(finalDuration)));
+                        // 在插入数据库前检查该 URI 是否已经存在
+                        int count = saveSoundsDao.countSoundsByUri(audioUri.toString());
+                        if (count > 0) {
+                            // 在主线程中显示文件已经存在的提示
+                            requireActivity().runOnUiThread(() ->
+                                    Toast.makeText(requireContext(), "该文件已经导入过，不能重复导入", Toast.LENGTH_LONG).show());
+                        } else {
+                            // 插入新记录
+                            saveSoundsDao.insertSound(new SaveSounds(fileName, audioUri.toString(), lastModifiedDateTime[0], lastModifiedDateTime[1], formatDuration(finalDuration)));
+                        }
                     } catch (Exception e) {
                         e.printStackTrace();
                         // 在主线程中显示错误信息
@@ -207,6 +207,7 @@ public class RadioFragment extends Fragment {
     }
 
     // 获取文件名
+
     private String getFileName(Uri uri) {
         String result = null;
         if (Objects.equals(uri.getScheme(), "content")) {
@@ -229,8 +230,8 @@ public class RadioFragment extends Fragment {
         }
         return result;
     }
-
     // 获取音频时长
+
     private long getAudioDuration(Uri uri) throws IOException {
         MediaMetadataRetriever retriever = new MediaMetadataRetriever();
         try {
@@ -244,15 +245,15 @@ public class RadioFragment extends Fragment {
             retriever.release();
         }
     }
-
     // 格式化时长
+
     private String formatDuration(long duration) {
         long minutes = (duration / 1000) / 60;
         long seconds = (duration / 1000) % 60;
         return String.format(Locale.getDefault(), "%d:%02d", minutes, seconds);
     }
-
     //获取最后修改时间
+
     public long getLastModifiedTime(Context context, Uri uri) {
         long lastModifiedTime = 0;
 
@@ -290,6 +291,42 @@ public class RadioFragment extends Fragment {
         return new String[]{date, time};
     }
 
+    public void deleteItem(int position) {
+        new Thread(() -> {
+            // 获取要删除的音频对象
+            SaveSounds sound = saveSoundsList.get(position);
+            String filePath = sound.getPath();
+
+            // 删除数据库中的收藏记录
+            FavoriteSounds favoriteSound = favoriteSoundsDao.getByPath(filePath);
+            if (favoriteSound != null) {
+                favoriteSoundsDao.delete(favoriteSound);
+            }
+
+            // 删除数据库中的音频记录
+            saveSoundsDao.deleteSound(sound);
+
+            // 删除文件系统中的实际录音文件
+            File file = new File(filePath);
+            if (file.exists()) {
+                boolean deleted = file.delete();
+                if (deleted) {
+                    // 如果文件成功删除，可以在这里执行其他操作，比如记录日志
+                    Log.d("DeleteItem", "录音文件已删除: " + filePath);
+                } else {
+                    // 如果文件删除失败，可以在这里处理
+                    Log.e("DeleteItem", "删除录音文件失败: " + filePath);
+                }
+            } else {
+                // 如果文件不存在，可以在这里处理
+                Log.w("DeleteItem", "录音文件不存在: " + filePath);
+            }
+
+            // 在主线程中刷新UI
+            requireActivity().runOnUiThread(this::refreshData);
+        }).start();
+    }
+
     // 刷新数据
     public void refreshData() {
         new Thread(() -> {

app/src/main/java/com/sound/prankparty/Fragment/SoundFragment.java

@@ -64,6 +64,7 @@ public class SoundFragment extends Fragment {
         View dialogView = LayoutInflater.from(requireContext()).inflate(R.layout.setting_dialog, null);
         // 禁止点击其他页面取消
         bottomSheetDialog.setCanceledOnTouchOutside(false);
+
         TextView version = dialogView.findViewById(R.id.version_number);
 
         //更新版本号

app/src/main/java/com/sound/prankparty/MainApplication.java

@@ -0,0 +1,33 @@
+package com.sound;
+
+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();
+    }
+
+}

app/src/main/java/com/sound/prankparty/Room/SaveSoundsDao.java

@@ -12,6 +12,9 @@ public interface SaveSoundsDao {
     @Insert
     void insertSound(SaveSounds sound);
 
+    @Query("SELECT COUNT(*) FROM save_sounds WHERE path = :uri")
+    int countSoundsByUri(String uri);
+
     @Query("SELECT * FROM save_sounds")
     List<SaveSounds> getAllSounds();
 

app/src/main/java/com/sound/prankparty/SecondFragment/RadioFragment.java

@@ -83,7 +83,7 @@ public class RadioFragment extends Fragment {
         recyclerView.setAdapter(radioRecyclerViewAdapter);
 
         // 初始化 MyItemTouchHelperCallback
-        myItemTouchHelperCallback = new MyItemTouchHelperCallback();
+        myItemTouchHelperCallback = new MyItemTouchHelperCallback(this);
         itemTouchHelper = new ItemTouchHelper(myItemTouchHelperCallback);
         itemTouchHelper.attachToRecyclerView(recyclerView);
 

app/src/main/java/com/sound/prankparty/Utils/FavoriteSoundsViewModel.java

@@ -25,10 +25,6 @@ public class FavoriteSoundsViewModel extends AndroidViewModel {
     public LiveData<List<FavoriteSounds>> getFavoriteSoundsLiveData() {
         return favoriteSoundsLiveData;
     }
-
-    public void refreshData() {
-        // 这里不需要做任何事情，因为 LiveData 会自动更新
-    }
 }