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Merge "Add a null check for getWindow()"

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am: 3c69948e6a

Change-Id: Ibeffcb78acdb9744993d3aec810acd27416ba455
This commit is contained in:
Siarhei Vishniakou
2019-03-08 05:53:28 -08:00
committed by android-build-merger
parent c1d180cd7b 3c69948e6a
commit 71f52a6a0d
1 changed files with 20 additions and 5 deletions
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23
core/java/android/preference/DialogPreference.java
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@@ -342,16 +342,31 @@ public abstract class DialogPreference extends Preference implements
dialog.show(); dialog.show();
} }
/**
* Get the DecorView.
* @return the DecorView for the current dialog window, if it exists.
* If the window does not exist, null is returned.
*/
private View getDecorView() {
if (mDialog != null && mDialog.getWindow() != null) {
return mDialog.getWindow().getDecorView();
}
return null;
}
void postDismiss() { void postDismiss() {
removeDismissCallbacks(); removeDismissCallbacks();
View decorView = mDialog.getWindow().getDecorView(); View decorView = getDecorView();
if (decorView != null) {
// If decorView is null, dialog was already dismissed
decorView.post(mDismissRunnable); decorView.post(mDismissRunnable);
} }
}
private void removeDismissCallbacks() { private void removeDismissCallbacks() {
if (mDialog != null && mDialog.getWindow() != null View decorView = getDecorView();
&& mDialog.getWindow().getDecorView() != null) { if (decorView != null) {
mDialog.getWindow().getDecorView().removeCallbacks(mDismissRunnable); decorView.removeCallbacks(mDismissRunnable);
} }
} }