/** Updates the min and max virtual scroll bounds */
void updateMinMaxScroll(boolean boundScrollToNewMinMax, boolean launchedWithAltTab,
boolean launchedFromHome) {
+ if (mStack == null) return;
+
// Compute the min and max scroll values
mLayoutAlgorithm.computeMinMaxScroll(mStack.getTasks(), launchedWithAltTab, launchedFromHome);
@Override
public void onInitializeAccessibilityEvent(AccessibilityEvent event) {
super.onInitializeAccessibilityEvent(event);
+ if (mStack == null) return;
+
int childCount = getChildCount();
if (childCount > 0) {
TaskView backMostTask = (TaskView) getChildAt(0);
*/
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+ if (mStack == null) {
+ super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+ return;
+ }
+
int width = MeasureSpec.getSize(widthMeasureSpec);
int height = MeasureSpec.getSize(heightMeasureSpec);
*/
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
+ if (mStack == null) {
+ super.onLayout(changed, left, top, right, bottom);
+ return;
+ }
+
// Layout each of the children
int childCount = getChildCount();
for (int i = 0; i < childCount; i++) {
/** Final callback after Recents is finally hidden. */
void onRecentsHidden() {
- reset();
setStack(null);
}
@Override
public void prepareViewToLeavePool(TaskView tv, Task task, boolean isNewView) {
+ if (mStack == null) return;
+
// It is possible for a view to be returned to the view pool before it is laid out,
// which means that we will need to relayout the view when it is first used next.
boolean requiresRelayout = tv.getWidth() <= 0 && !isNewView;
@Override
public void onPackagesChanged(RecentsPackageMonitor monitor, String packageName, int userId) {
+ if (mStack == null) return;
+
// Compute which components need to be removed
HashSet<ComponentName> removedComponents = monitor.computeComponentsRemoved(
mStack.getTaskKeys(), packageName, userId);