Allow setActionBar() to take a null param (c7d6c32c) · Commits · e / os / android_frameworks_base

core/java/android/app/Activity.java

+12 −5

Original line number	Diff line number	Diff line
		@@ -2313,7 +2313,7 @@ public class Activity extends ContextThemeWrapper
		* <p>In order to use a Toolbar within the Activity's window content the application
		* must not request the window feature {@link Window#FEATURE_ACTION_BAR FEATURE_ACTION_BAR}.</p>
		*
		* @param toolbar Toolbar to set as the Activity's action bar
		* @param toolbar Toolbar to set as the Activity's action bar, or {@code null} to clear it
		*/
		public void setActionBar(@Nullable Toolbar toolbar) {
		final ActionBar ab = getActionBar();
		@@ -2332,10 +2332,17 @@ public class Activity extends ContextThemeWrapper
		ab.onDestroy();
		}

		ToolbarActionBar tbab = new ToolbarActionBar(toolbar, getTitle(), this);
		if (toolbar != null) {
		final ToolbarActionBar tbab = new ToolbarActionBar(toolbar, getTitle(), this);
		mActionBar = tbab;
		mWindow.setCallback(tbab.getWrappedWindowCallback());
		mActionBar.invalidateOptionsMenu();
		} else {
		mActionBar = null;
		// Re-set the original window callback since we may have already set a Toolbar wrapper
		mWindow.setCallback(this);
		}

		invalidateOptionsMenu();
		}

		/**