add error handling for capturing images

cameraview/src/main/java/com/otaliastudios/cameraview/Camera1.java

@@ -428,6 +428,7 @@ class Camera1 extends CameraController {
             if (!mOptions.isVideoSnapshotSupported()) return false;
         }
 
+        try {
             // Set boolean to wait for image callback
             mIsCapturingImage = true;
             final int exifRotation = computeExifRotation();
@@ -459,6 +460,12 @@ class Camera1 extends CameraController {
                     });
             return true;
         }
+        catch (Exception e) {
+            CameraException cameraException = new CapturingPictureFailedException("Capturing a picture failed.", e);
+            mCameraCallbacks.onError(cameraException);
+            return false;
+        }
+    }
 
 
     @Override
@@ -471,6 +478,8 @@ class Camera1 extends CameraController {
             capturePicture();
             return false;
         }
+
+        try {
             mIsCapturingImage = true;
             mCamera.setOneShotPreviewCallback(new Camera.PreviewCallback() {
                 @Override
@@ -503,6 +512,12 @@ class Camera1 extends CameraController {
             });
             return true;
         }
+        catch (Exception e) {
+            CameraException cameraException = new CapturingSnapshotFailedException("Capturing a snapshot failed.", e);
+            mCameraCallbacks.onError(cameraException);
+            return false;
+        }
+    }
 
     @Override
     boolean shouldFlipSizes() {