diff options
| -rw-r--r-- | core/java/com/android/internal/app/ChooserActivity.java | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/core/java/com/android/internal/app/ChooserActivity.java b/core/java/com/android/internal/app/ChooserActivity.java index a66b405844b8..41d80ae6f945 100644 --- a/core/java/com/android/internal/app/ChooserActivity.java +++ b/core/java/com/android/internal/app/ChooserActivity.java @@ -2939,12 +2939,14 @@ public class ChooserActivity extends ResolverActivity implements private void startFinishAnimation() { View rootView = findRootView(); - rootView.startAnimation(new FinishAnimation(this, rootView)); + if (rootView != null) { + rootView.startAnimation(new FinishAnimation(this, rootView)); + } } private boolean maybeCancelFinishAnimation() { View rootView = findRootView(); - Animation animation = rootView.getAnimation(); + Animation animation = rootView == null ? null : rootView.getAnimation(); if (animation instanceof FinishAnimation) { boolean hasEnded = animation.hasEnded(); animation.cancel(); @@ -4071,11 +4073,13 @@ public class ChooserActivity extends ResolverActivity implements */ private static class FinishAnimation extends AlphaAnimation implements Animation.AnimationListener { + @Nullable private Activity mActivity; + @Nullable private View mRootView; private final float mFromAlpha; - FinishAnimation(Activity activity, View rootView) { + FinishAnimation(@NonNull Activity activity, @NonNull View rootView) { super(rootView.getAlpha(), 0.0f); mActivity = activity; mRootView = rootView; @@ -4099,7 +4103,9 @@ public class ChooserActivity extends ResolverActivity implements @Override public void cancel() { - mRootView.setAlpha(mFromAlpha); + if (mRootView != null) { + mRootView.setAlpha(mFromAlpha); + } cleanup(); super.cancel(); } @@ -4110,9 +4116,10 @@ public class ChooserActivity extends ResolverActivity implements @Override public void onAnimationEnd(Animation animation) { - if (mActivity != null) { - mActivity.finish(); - cleanup(); + Activity activity = mActivity; + cleanup(); + if (activity != null) { + activity.finish(); } } |