fix:切换图片时会白屏的问题

app/src/main/java/com/yutou/nas_music_player/views/MainActivity.java

@@ -69,48 +69,16 @@ public class MainActivity extends AppCompatActivity {
         setContentView(R.layout.activity_main);
         handler = new Handler(Looper.myLooper());
         initView();
-        play.setOnClickListener(new View.OnClickListener() {
+        play.setOnClickListener(v -> handler.post(() -> {
-            @Override
-            public void onClick(View v) {
-
-                handler.post(new Runnable() {
-                    @Override
-                    public void run() {
 
             if (browserHelper.isPlayer()) {
                 browserHelper.getTransportControls().pause();
             } else {
                 browserHelper.getTransportControls().play();
             }
-                    }
+        }));
-                });
+        next.setOnClickListener(v -> handler.post(() -> browserHelper.getTransportControls().skipToNext()));
-
+        previous.setOnClickListener(v -> handler.post(() -> browserHelper.getTransportControls().skipToPrevious()));
-            }
-        });
-        next.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-
-                handler.post(new Runnable() {
-                    @Override
-                    public void run() {
-                        browserHelper.getTransportControls().skipToNext();
-                    }
-                });
-
-            }
-        });
-        previous.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                handler.post(new Runnable() {
-                    @Override
-                    public void run() {
-                        browserHelper.getTransportControls().skipToPrevious();
-                    }
-                });
-            }
-        });
         seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
             @Override
             public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
@@ -124,27 +92,21 @@ public class MainActivity extends AppCompatActivity {
 
             @Override
             public void onStopTrackingTouch(SeekBar seekBar) {
-                handler.post(new Runnable() {
+                handler.post(() -> {
-                    @Override
-                    public void run() {
                     if (browserHelper.getTransportControls() != null) {
                         browserHelper.getTransportControls().seekTo(MainActivity.this.seekBar.getProgress());
                     }
-                    }
                 });
 
             }
         });
-        playModel.setOnClickListener(new View.OnClickListener() {
+        playModel.setOnClickListener(v -> {
-            @Override
-            public void onClick(View v) {
             int model = (int) playModel.getTag();
             if (model == MusicContainer.PLAY_MODEL_LIST_RANDOM) {
                 setPlayModelButton(MusicContainer.PLAY_MODEL_RANDOM, true);
                 return;
             }
             setPlayModelButton(model + 1, true);
-            }
         });
 
         browserHelper = new MediaBrowserHelper(this);
@@ -190,26 +152,9 @@ public class MainActivity extends AppCompatActivity {
         int seconds = (int) (data.getDurationAsDouble() % 60);
         durationTime.setText(String.format(Locale.CHINA, "%02d", minutes) + ":"
                 + String.format(Locale.CHINA, "%02d", seconds));
-        int model = ConfigTools.getPreferences().getInt("playModel", MusicContainer.PLAY_MODEL_RANDOM);
+        int model = ConfigTools.getConfigPreferences().getInt("playModel", MusicContainer.PLAY_MODEL_RANDOM);
         setPlayModelButton(model);
-        if (data.getImg(AppData.imageWidth, AppData.imageHigh) != null) {
         setImage(data);
-        } else {
-            new Timer().schedule(new TimerTask() {
-                @Override
-                public void run() {
-                    if (data.getImg(AppData.imageWidth, AppData.imageHigh) != null) {
-                        AppData.handler.post(new Runnable() {
-                            @Override
-                            public void run() {
-                                setImage(data);
-                            }
-                        });
-                        cancel();
-                    }
-                }
-            }, 0, 100);
-        }
 
     }
 
@@ -243,17 +188,17 @@ public class MainActivity extends AppCompatActivity {
                 break;
             default:
                 setPlayModelButton(MusicContainer.PLAY_MODEL_RANDOM, isButton);
-                return;
         }
-        ConfigTools.getPreferences().edit().putInt("playModel", model).apply();
     }
 
     private void setImage(MusicData data) {
         // setBarColor(data.getImageColor());
         Glide.with(this).load(data.getImg(AppData.imageWidth, AppData.imageHigh))
+                .placeholder(album_image.getDrawable())
                 .apply(RequestOptions.bitmapTransform(new RoundedCornersTransformation(25, 3)))
                 .into(album_image);
         Glide.with(this).load(data.getImg(AppData.minImageWidth, AppData.minImageHigh))
+                .placeholder(background_image.getDrawable())
                 .apply(RequestOptions.bitmapTransform(new BlurTransformation(25, 3)))
                 .into(background_image);
     }
@@ -274,7 +219,7 @@ public class MainActivity extends AppCompatActivity {
         playModel = findViewById(R.id.playModel);
         playIndex = findViewById(R.id.playIndex);
         touch = new GestureDetectorCompat(this, new MyTouch());
-        int model = ConfigTools.getPreferences().getInt("playModel", MusicContainer.PLAY_MODEL_RANDOM);
+        int model = ConfigTools.getConfigPreferences().getInt("playModel", MusicContainer.PLAY_MODEL_RANDOM);
         setPlayModelButton(model);
     }
 
@@ -358,11 +303,13 @@ public class MainActivity extends AppCompatActivity {
         } else {
             dialog.setTitle("播放列表:" + playList.size());
             MusicLibsAdapter adapter = new MusicLibsAdapter(this);
+        //    ItemTouchHelper touchHelper=new ItemTouchHelper(new MusicItemTouchAdapterCallback());
             ViewGroup.LayoutParams params = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
             recyclerView = new RecyclerView(this);
             recyclerView.setLayoutManager(new LinearLayoutManager(this));
             recyclerView.setLayoutParams(params);
             recyclerView.setAdapter(adapter);
+      //      touchHelper.attachToRecyclerView(recyclerView);
             adapter.setData(playList);
             adapter.setBrowserHelper(browserHelper);
             dialog.setContentView(recyclerView);