Merge pull request #506 from anipp100/lambda-runnable

Use lambda for standalone Runnables

Author: rkistner

zxing-android-embedded/src/com/google/zxing/client/android/AmbientLightManager.java

@@ -71,12 +71,7 @@ public void stop() {
     }
 
     private void setTorch(final boolean on) {
-        handler.post(new Runnable() {
-            @Override
-            public void run() {
-                cameraManager.setTorch(on);
-            }
-        });
+        handler.post(() -> cameraManager.setTorch(on));
     }
 
     @Override

zxing-android-embedded/src/com/google/zxing/client/android/InactivityTimer.java

@@ -108,12 +108,7 @@ public void onReceive(Context context, Intent intent) {
                 // 0 indicates that we're on battery
                 final boolean onBatteryNow = intent.getIntExtra(BatteryManager.EXTRA_PLUGGED, -1) <= 0;
                 // post on handler to run in main thread
-                handler.post(new Runnable() {
-                    @Override
-                    public void run() {
-                        onBattery(onBatteryNow);
-                    }
-                });
+                handler.post(() -> onBattery(onBatteryNow));
             }
         }
     }

zxing-android-embedded/src/com/journeyapps/barcodescanner/CameraPreview.java

@@ -220,12 +220,7 @@ public boolean handleMessage(Message message) {
         @Override
         public void onRotationChanged(int rotation) {
             // Make sure this is run on the main thread.
-            stateHandler.postDelayed(new Runnable() {
-                @Override
-                public void run() {
-                    rotationChanged();
-                }
-            }, ROTATION_LISTENER_DELAY_MS);
+            stateHandler.postDelayed(() -> rotationChanged(), ROTATION_LISTENER_DELAY_MS);
         }
     };
 

zxing-android-embedded/src/com/journeyapps/barcodescanner/CaptureManager.java

@@ -76,13 +76,7 @@ public void barcodeResult(final BarcodeResult result) {
             barcodeView.pause();
             beepManager.playBeepSoundAndVibrate();
 
-            handler.post(new Runnable() {
-                @Override
-                public void run() {
-                    returnResult(result);
-                }
-            });
-
+            handler.post(() -> returnResult(result));
         }
 
         @Override
@@ -128,12 +122,9 @@ public CaptureManager(Activity activity, DecoratedBarcodeView barcodeView) {
 
         handler = new Handler();
 
-        inactivityTimer = new InactivityTimer(activity, new Runnable() {
-            @Override
-            public void run() {
-                Log.d(TAG, "Finishing due to inactivity");
-                finish();
-            }
+        inactivityTimer = new InactivityTimer(activity, () -> {
+            Log.d(TAG, "Finishing due to inactivity");
+            finish();
         });
 
         beepManager = new BeepManager(activity);
@@ -172,13 +163,7 @@ public void initializeFromIntent(Intent intent, Bundle savedInstanceState) {
             }
 
             if (intent.hasExtra(Intents.Scan.TIMEOUT)) {
-                Runnable runnable = new Runnable() {
-                    @Override
-                    public void run() {
-                        returnResultTimeout();
-                    }
-                };
-                handler.postDelayed(runnable, intent.getLongExtra(Intents.Scan.TIMEOUT, 0L));
+                handler.postDelayed(this::returnResultTimeout, intent.getLongExtra(Intents.Scan.TIMEOUT, 0L));
             }
 
             if (intent.getBooleanExtra(Intents.Scan.BARCODE_IMAGE_ENABLED, false)) {

zxing-android-embedded/src/com/journeyapps/barcodescanner/camera/AutoFocusManager.java

@@ -64,12 +64,9 @@ public boolean handleMessage(Message msg) {
     private final Camera.AutoFocusCallback autoFocusCallback = new Camera.AutoFocusCallback() {
         @Override
         public void onAutoFocus(boolean success, Camera theCamera) {
-            handler.post(new Runnable() {
-                @Override
-                public void run() {
-                    focusing = false;
-                    autoFocusAgainLater();
-                }
+            handler.post(() -> {
+                focusing = false;
+                autoFocusAgainLater();
             });
         }
     };

zxing-android-embedded/src/com/journeyapps/barcodescanner/camera/CameraInstance.java

@@ -138,12 +138,7 @@ public void setTorch(final boolean on) {
         Util.validateMainThread();
 
         if (open) {
-            cameraThread.enqueue(new Runnable() {
-                @Override
-                public void run() {
-                    cameraManager.setTorch(on);
-                }
-            });
+            cameraThread.enqueue(() -> cameraManager.setTorch(on));
         }
     }
 
@@ -156,12 +151,7 @@ public void changeCameraParameters(final CameraParametersCallback callback) {
         Util.validateMainThread();
 
         if (open) {
-            cameraThread.enqueue(new Runnable() {
-                @Override
-                public void run() {
-                    cameraManager.changeCameraParameters(callback);
-                }
-            });
+            cameraThread.enqueue(() -> cameraManager.changeCameraParameters(callback));
         }
     }
 
@@ -186,21 +176,13 @@ public boolean isCameraClosed() {
     }
 
     public void requestPreview(final PreviewCallback callback) {
-        mainHandler.post(new Runnable() {
-            @Override
-            public void run() {
-                if(!open) {
-                    Log.d(TAG, "Camera is closed, not requesting preview");
-                    return;
-                }
-
-                cameraThread.enqueue(new Runnable() {
-                    @Override
-                    public void run() {
-                        cameraManager.requestPreviewFrame(callback);
-                    }
-                });
+        mainHandler.post(() -> {
+            if(!open) {
+                Log.d(TAG, "Camera is closed, not requesting preview");
+                return;
             }
+
+            cameraThread.enqueue(() -> cameraManager.requestPreviewFrame(callback));
         });
     }