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platform_packages_apps_Launcher3
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All apps memory leak fix / unregister data observer 

Bug: 197702957

Test: adb shell dumpsys meminfo com.google.android.apps.nexuslauncher, ahat

Change-Id: Ia5732cced959e4a199d9c2b59f1f3941a2e23552
Merged-In: Ia5732cced959e4a199d9c2b59f1f3941a2e23552
(cherry picked from commit 6e72c8bbba)
This commit is contained in:
Hyunyoung Song 2021-08-25 02:04:09 -07:00 committed by Winson Chung
parent 0a2076e8d3
commit 349c7c82f4
2 changed files with 17 additions and 7 deletions
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6
src/com/android/launcher3/allapps/AllAppsContainerView.java
View File

@ -499,8 +499,10 @@ public class AllAppsContainerView extends SpringRelativeLayout implements DragSo
private void replaceRVContainer(boolean showTabs) {
for (int i = 0; i < mAH.length; i++) {
if (mAH[i].recyclerView != null) {
mAH[i].recyclerView.setLayoutManager(null);
AllAppsRecyclerView rv = mAH[i].recyclerView;
if (rv != null) {
rv.setLayoutManager(null);
rv.setAdapter(null);
}
}
View oldView = getRecyclerViewContainer();

18
src/com/android/launcher3/allapps/AllAppsRecyclerView.java
View File

@ -63,6 +63,13 @@ public class AllAppsRecyclerView extends BaseRecyclerView {
private final SparseIntArray mCachedScrollPositions = new SparseIntArray();
private final AllAppsFastScrollHelper mFastScrollHelper;
private final AdapterDataObserver mObserver = new RecyclerView.AdapterDataObserver() {
public void onChanged() {
mCachedScrollPositions.clear();
}
};
// The empty-search result background
private AllAppsBackgroundDrawable mEmptySearchBackground;
private int mEmptySearchBackgroundTopOffset;
@ -247,12 +254,13 @@ public class AllAppsRecyclerView extends BaseRecyclerView {
@Override
public void setAdapter(Adapter adapter) {
super.setAdapter(adapter);
adapter.registerAdapterDataObserver(new RecyclerView.AdapterDataObserver() {
public void onChanged() {
mCachedScrollPositions.clear();
if (getAdapter() != null) {
getAdapter().unregisterAdapterDataObserver(mObserver);
}
super.setAdapter(adapter);
if (adapter != null) {
adapter.registerAdapterDataObserver(mObserver);
}
});
}
@Override