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Code Issues Packages Projects Releases Wiki Activity

Fixing Launcher crash if activity restarts while resixing widget

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When activity restarts, the widgetView gets onDetachFromWindow first
which inturn removes the AppWidgetResizeFrame from drawLayer while
the dispatchAttachToWindow was still in progress in DragLayer

Bug: 238416508
Test: Verified no crash after the change
Change-Id: I6359840c9fb3ae2719056845818620af19d3c94d
This commit is contained in:
Sunny Goyal
2022-07-13 12:19:53 -07:00
parent 46f79bda0c
commit cd89ca36b6
1 changed files with 6 additions and 24 deletions
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30
src/com/android/launcher3/AppWidgetResizeFrame.java
View File

@@ -24,6 +24,7 @@ import android.util.AttributeSet;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageButton;
import android.widget.ImageView;
@@ -68,22 +69,6 @@ public class AppWidgetResizeFrame extends AbstractFloatingView implements View.O
private final View[] mDragHandles = new View[HANDLE_COUNT];
private final List<Rect> mSystemGestureExclusionRects = new ArrayList<>(HANDLE_COUNT);
private final OnAttachStateChangeListener mWidgetViewAttachStateChangeListener =
new OnAttachStateChangeListener() {
@Override
public void onViewAttachedToWindow(View view) {
// Do nothing
}
@Override
public void onViewDetachedFromWindow(View view) {
// When the app widget view is detached, we should close the resize frame.
// An example is when the dragging starts, the widget view is detached from
// CellLayout and then reattached to DragLayout.
close(false);
}
};
private LauncherAppWidgetHostView mWidgetView;
private CellLayout mCellLayout;
@@ -221,11 +206,7 @@ public class AppWidgetResizeFrame extends AbstractFloatingView implements View.O
private void setupForWidget(LauncherAppWidgetHostView widgetView, CellLayout cellLayout,
DragLayer dragLayer) {
mCellLayout = cellLayout;
if (mWidgetView != null) {
mWidgetView.removeOnAttachStateChangeListener(mWidgetViewAttachStateChangeListener);
}
mWidgetView = widgetView;
mWidgetView.addOnAttachStateChangeListener(mWidgetViewAttachStateChangeListener);
LauncherAppWidgetProviderInfo info = (LauncherAppWidgetProviderInfo)
widgetView.getAppWidgetInfo();
mDragLayer = dragLayer;
@@ -423,6 +404,10 @@ public class AppWidgetResizeFrame extends AbstractFloatingView implements View.O
* Based on the current deltas, we determine if and how to resize the widget.
*/
private void resizeWidgetIfNeeded(boolean onDismiss) {
ViewGroup.LayoutParams wlp = mWidgetView.getLayoutParams();
if (!(wlp instanceof CellLayout.LayoutParams)) {
return;
}
DeviceProfile dp = mLauncher.getDeviceProfile();
float xThreshold = mCellLayout.getCellWidth() + dp.cellLayoutBorderSpacePx.x;
float yThreshold = mCellLayout.getCellHeight() + dp.cellLayoutBorderSpacePx.y;
@@ -435,7 +420,7 @@ public class AppWidgetResizeFrame extends AbstractFloatingView implements View.O
mDirectionVector[0] = 0;
mDirectionVector[1] = 0;
CellLayout.LayoutParams lp = (CellLayout.LayoutParams) mWidgetView.getLayoutParams();
CellLayout.LayoutParams lp = (CellLayout.LayoutParams) wlp;
int spanX = lp.cellHSpan;
int spanY = lp.cellVSpan;
@@ -687,9 +672,6 @@ public class AppWidgetResizeFrame extends AbstractFloatingView implements View.O
@Override
protected void handleClose(boolean animate) {
mDragLayer.removeView(this);
if (mWidgetView != null) {
mWidgetView.removeOnAttachStateChangeListener(mWidgetViewAttachStateChangeListener);
}
}
private void updateInvalidResizeEffect(CellLayout cellLayout, CellLayout pairedCellLayout,