Added callback when take picture throws exception

library/src/main/api14/com/google/android/cameraview/Camera1.java

@@ -238,15 +238,20 @@ public void onAutoFocus(boolean success, Camera camera) {
 
     void takePictureInternal() {
         if (!isPictureCaptureInProgress.getAndSet(true)) {
-            mCamera.takePicture(null, null, null, new Camera.PictureCallback() {
-                @Override
-                public void onPictureTaken(byte[] data, Camera camera) {
-                    isPictureCaptureInProgress.set(false);
-                    mCallback.onPictureTaken(data);
-                    camera.cancelAutoFocus();
-                    camera.startPreview();
-                }
-            });
+            try {
+                mCamera.takePicture(null, null, null, new Camera.PictureCallback() {
+                    @Override
+                    public void onPictureTaken(byte[] data, Camera camera) {
+                        isPictureCaptureInProgress.set(false);
+                        mCallback.onPictureTaken(data);
+                        camera.cancelAutoFocus();
+                        camera.startPreview();
+                    }
+                });
+            }
+            catch (RuntimeException ex) {
+                mCallback.onTakePictureFailed(ex);
+            }
         }
     }
 

library/src/main/base/com/google/android/cameraview/CameraViewImpl.java

@@ -77,6 +77,7 @@ interface Callback {
 
         void onPictureTaken(byte[] data);
 
+        void onTakePictureFailed(Throwable throwable);
     }
 
 }

library/src/main/java/com/google/android/cameraview/CameraView.java

@@ -449,6 +449,13 @@ public void onPictureTaken(byte[] data) {
             }
         }
 
+        @Override
+        public void onTakePictureFailed(Throwable throwable) {
+            for (Callback callback : mCallbacks) {
+                callback.onTakePictureFailed(CameraView.this, throwable);
+            }
+        }
+
         public void reserveRequestLayoutOnOpen() {
             mRequestLayoutOnOpen = true;
         }
@@ -535,6 +542,15 @@ public void onCameraClosed(CameraView cameraView) {
          */
         public void onPictureTaken(CameraView cameraView, byte[] data) {
         }
+
+        /**
+         * Called when taking a picture has failed
+         *
+         * @param cameraView The associated {@link CameraView}.
+         * @param throwable  Exception
+         */
+        public void onTakePictureFailed(CameraView cameraView, Throwable throwable) {
+        }
     }
 
 }