Clean up NPEs in AbsSwipeUpHandler
AbsSwipeUphandler has many potential and common NPEs. Added null checks to AbsSwipeUpHandler
Flag: NONE
Fixes: 307708536
Fixes: 307624168
Test: ran and restarted launcher
Change-Id: I0536612bfb36b4d912155158237fdb2e4fa33126
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index 4dfa81d..9ac5426 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -89,6 +89,7 @@
import android.widget.Toast;
import android.window.PictureInPictureSurfaceTransaction;
+import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.UiThread;
@@ -318,7 +319,7 @@
private final Runnable mOnDeferredActivityLaunch = this::onDeferredActivityLaunch;
- private SwipePipToHomeAnimator mSwipePipToHomeAnimator;
+ @Nullable private SwipePipToHomeAnimator mSwipePipToHomeAnimator;
protected boolean mIsSwipingPipToHome;
// TODO(b/195473090) no split PIP for now, remove once we have more clarity
// can try to have RectFSpringAnim evaluate multiple rects at once
@@ -677,6 +678,9 @@
if (Arrays.stream(runningTasks).anyMatch(Objects::isNull)) {
return;
}
+ if (mRecentsView == null) {
+ return;
+ }
mRecentsView.onGestureAnimationStart(runningTasks, mDeviceState.getRotationTouchHelper());
}
@@ -1264,8 +1268,8 @@
return isSwipeUp ? ALL_APPS : LAST_TASK;
}
if (!isSwipeUp) {
- final boolean isCenteredOnNewTask =
- mRecentsView.getDestinationPage() != mRecentsView.getRunningTaskIndex();
+ final boolean isCenteredOnNewTask = mRecentsView != null
+ && mRecentsView.getDestinationPage() != mRecentsView.getRunningTaskIndex();
return willGoToNewTask || isCenteredOnNewTask ? NEW_TASK : LAST_TASK;
}
@@ -1541,11 +1545,13 @@
HomeAnimationFactory homeAnimFactory =
createHomeAnimationFactory(cookies, duration, isTranslucent, appCanEnterPip,
runningTaskTarget);
- mIsSwipingPipToHome = !mIsSwipeForSplit && appCanEnterPip;
+ SwipePipToHomeAnimator swipePipToHomeAnimator = !mIsSwipeForSplit && appCanEnterPip
+ ? createWindowAnimationToPip(homeAnimFactory, runningTaskTarget, start)
+ : null;
+ mIsSwipingPipToHome = swipePipToHomeAnimator != null;
final RectFSpringAnim[] windowAnim;
if (mIsSwipingPipToHome) {
- mSwipePipToHomeAnimator = createWindowAnimationToPip(
- homeAnimFactory, runningTaskTarget, start);
+ mSwipePipToHomeAnimator = swipePipToHomeAnimator;
mSwipePipToHomeAnimators[0] = mSwipePipToHomeAnimator;
if (mSwipePipToHomeReleaseCheck != null) {
mSwipePipToHomeReleaseCheck.setCanRelease(false);
@@ -1553,6 +1559,9 @@
// grab a screenshot before the PipContentOverlay gets parented on top of the task
UI_HELPER_EXECUTOR.execute(() -> {
+ if (mRecentsAnimationController == null) {
+ return;
+ }
// Directly use top task, split to pip handled on shell side
final int taskId = mGestureState.getTopRunningTaskId();
mTaskSnapshotCache.put(taskId,
@@ -1670,6 +1679,10 @@
@Nullable
private SwipePipToHomeAnimator createWindowAnimationToPip(HomeAnimationFactory homeAnimFactory,
RemoteAnimationTarget runningTaskTarget, float startProgress) {
+ if (mRecentsView == null) {
+ // Overview was destroyed, bail early.
+ return null;
+ }
// Directly animate the app to PiP (picture-in-picture) mode
final ActivityManager.RunningTaskInfo taskInfo = runningTaskTarget.taskInfo;
final RecentsOrientedState orientationState = mRemoteTargetHandles[0].getTaskViewSimulator()
@@ -1810,7 +1823,8 @@
private void continueComputingRecentsScrollIfNecessary() {
if (!mGestureState.hasState(STATE_RECENTS_SCROLLING_FINISHED)
&& !mStateCallback.hasStates(STATE_HANDLER_INVALIDATED)
- && !mCanceled) {
+ && !mCanceled
+ && mRecentsView != null) {
computeRecentsScrollIfInvisible();
mRecentsView.postOnAnimation(this::continueComputingRecentsScrollIfNecessary);
}
@@ -2112,7 +2126,7 @@
* from Launcher to WM.
*/
private void maybeAbortSwipePipToHome() {
- if (mIsSwipingPipToHome && mSwipePipToHomeAnimators[0] != null) {
+ if (mIsSwipingPipToHome && mSwipePipToHomeAnimator != null) {
SystemUiProxy.INSTANCE.get(mContext).abortSwipePipToHome(
mSwipePipToHomeAnimator.getTaskId(),
mSwipePipToHomeAnimator.getComponentName());
@@ -2126,7 +2140,10 @@
* This should happen before {@link #finishRecentsControllerToHome(Runnable)}.
*/
private void maybeFinishSwipePipToHome() {
- if (mIsSwipingPipToHome && mSwipePipToHomeAnimators[0] != null) {
+ if (mRecentsAnimationController == null) {
+ return;
+ }
+ if (mIsSwipingPipToHome && mSwipePipToHomeAnimator != null) {
mRecentsAnimationController.setFinishTaskTransaction(
mSwipePipToHomeAnimator.getTaskId(),
mSwipePipToHomeAnimator.getFinishTransaction(),
@@ -2150,7 +2167,7 @@
protected abstract void finishRecentsControllerToHome(Runnable callback);
private void setupLauncherUiAfterSwipeUpToRecentsAnimation() {
- if (mStateCallback.hasStates(STATE_HANDLER_INVALIDATED)) {
+ if (mStateCallback.hasStates(STATE_HANDLER_INVALIDATED) || mRecentsView == null) {
return;
}
endLauncherTransitionController();
@@ -2184,6 +2201,9 @@
}
protected void linkRecentsViewScroll() {
+ if (mRecentsView == null) {
+ return;
+ }
SurfaceTransactionApplier applier = new SurfaceTransactionApplier(mRecentsView);
runActionOnRemoteHandles(remoteTargetHandle -> remoteTargetHandle.getTransformParams()
.setSyncTransactionApplier(applier));
@@ -2191,9 +2211,13 @@
mRecentsAnimationTargets.addReleaseCheck(applier));
mRecentsView.addOnScrollChangedListener(mOnRecentsScrollListener);
- runOnRecentsAnimationAndLauncherBound(() ->
- mRecentsView.setRecentsAnimationTargets(mRecentsAnimationController,
- mRecentsAnimationTargets));
+ runOnRecentsAnimationAndLauncherBound(() -> {
+ if (mRecentsView == null) {
+ return;
+ }
+ mRecentsView.setRecentsAnimationTargets(
+ mRecentsAnimationController, mRecentsAnimationTargets);
+ });
// Disable scrolling in RecentsView for trackpad 3-finger swipe up gesture.
if (!mGestureState.isThreeFingerTrackpadGesture()) {
@@ -2300,7 +2324,7 @@
}
@Override
- public void onTasksAppeared(RemoteAnimationTarget[] appearedTaskTargets) {
+ public void onTasksAppeared(@NonNull RemoteAnimationTarget[] appearedTaskTargets) {
if (mRecentsAnimationController != null) {
boolean hasStartedTaskBefore = Arrays.stream(appearedTaskTargets).anyMatch(
mGestureState.mLastStartedTaskIdPredicate);
diff --git a/quickstep/src/com/android/quickstep/util/SurfaceTransactionApplier.java b/quickstep/src/com/android/quickstep/util/SurfaceTransactionApplier.java
index bb028a7..df5765c 100644
--- a/quickstep/src/com/android/quickstep/util/SurfaceTransactionApplier.java
+++ b/quickstep/src/com/android/quickstep/util/SurfaceTransactionApplier.java
@@ -25,6 +25,8 @@
import android.view.View.OnAttachStateChangeListener;
import android.view.ViewRootImpl;
+import androidx.annotation.NonNull;
+
import com.android.quickstep.RemoteAnimationTargets.ReleaseCheck;
/**
@@ -48,7 +50,7 @@
/**
* @param targetView The view in the surface that acts as synchronization anchor.
*/
- public SurfaceTransactionApplier(View targetView) {
+ public SurfaceTransactionApplier(@NonNull View targetView) {
if (targetView.isAttachedToWindow()) {
initialize(targetView);
} else {
