Check for null view root before checking for accessibility focus (2e6fc8ca) · Commits · e / os / android_frameworks_base

core/java/android/widget/GridView.java

+24 −21

Original line number	Diff line number	Diff line
		@@ -1335,6 +1335,7 @@ public class GridView extends AbsListView {
		}

		// Attempt to restore accessibility focus, if necessary.
		if (viewRootImpl != null) {
		final View newAccessibilityFocusedView = viewRootImpl.getAccessibilityFocusedHost();
		if (newAccessibilityFocusedView == null) {
		if (accessibilityFocusLayoutRestoreView != null
		@@ -1352,13 +1353,15 @@ public class GridView extends AbsListView {
		} else if (accessibilityFocusPosition != INVALID_POSITION) {
		// Bound the position within the visible children.
		final int position = MathUtils.constrain(
		accessibilityFocusPosition - mFirstPosition, 0, getChildCount() - 1);
		accessibilityFocusPosition - mFirstPosition, 0,
		getChildCount() - 1);
		final View restoreView = getChildAt(position);
		if (restoreView != null) {
		restoreView.requestAccessibilityFocus();
		}
		}
		}
		}

		mLayoutMode = LAYOUT_NORMAL;
		mDataChanged = false;

+24 −21

Original line number	Diff line number	Diff line
		@@ -1738,6 +1738,7 @@ public class ListView extends AbsListView {
		}

		// Attempt to restore accessibility focus, if necessary.
		if (viewRootImpl != null) {
		final View newAccessibilityFocusedView = viewRootImpl.getAccessibilityFocusedHost();
		if (newAccessibilityFocusedView == null) {
		if (accessibilityFocusLayoutRestoreView != null
		@@ -1755,13 +1756,15 @@ public class ListView extends AbsListView {
		} else if (accessibilityFocusPosition != INVALID_POSITION) {
		// Bound the position within the visible children.
		final int position = MathUtils.constrain(
		accessibilityFocusPosition - mFirstPosition, 0, getChildCount() - 1);
		accessibilityFocusPosition - mFirstPosition, 0,
		getChildCount() - 1);
		final View restoreView = getChildAt(position);
		if (restoreView != null) {
		restoreView.requestAccessibilityFocus();
		}
		}
		}
		}

		// Tell focus view we are done mucking with it, if it is still in
		// our view hierarchy.