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BrowseErrorFragment: fix NPE of not attached BackgroundManager

Browse Source 
BrowseErrorFragment also shows Background for selected item.
Need attach BackgroundManager to window.

b/22796403

Change-Id: I80bbaf48c85a318fdd0e07d4efd3d1b72876c03d
This commit is contained in:
Dake Gu
2015-07-28 13:46:04 -07:00
parent 9146cbdb55
commit 94296eca10
1 changed files with 12 additions and 0 deletions
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12
samples/SupportLeanbackDemos/src/com/example/android/leanback/BrowseErrorActivity.java
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@@ -39,6 +39,18 @@ public class BrowseErrorActivity extends Activity
testError(); testError();
} }
@Override
public void onAttachedToWindow() {
super.onAttachedToWindow();
BackgroundHelper.attach(this);
}
@Override
public void onStop() {
BackgroundHelper.release(this);
super.onStop();
}
private void testError() { private void testError() {
mErrorFragment = new ErrorFragment(); mErrorFragment = new ErrorFragment();
getFragmentManager().beginTransaction().add(R.id.main_frame, mErrorFragment).commit(); getFragmentManager().beginTransaction().add(R.id.main_frame, mErrorFragment).commit();