QuickSwitch Compat Q to U (#3948)

Initial support quickstep, Android versions from Q to U, ensuring a smooth and efficient user experience. Enjoy effortless navigation and swift app switching on your Android device with QuickSwitch's compatibility across the Q, R, S, T, and U.


Co-authored-by: Goooler <wangzongler@gmail.com>
Co-authored-by: 无言 <57122860+liu-wanshun@users.noreply.github.com>

quickstep/src/com/android/launcher3/model/QuickstepModelDelegate.java

@@ -86,6 +86,7 @@ import java.util.Objects;
 import java.util.stream.IntStream;
 
 import app.lawnchair.LawnchairApp;
+import app.lawnchair.compat.LawnchairQuickstepCompat;
 
 /**
  * Model delegate which loads prediction items
@@ -259,8 +260,9 @@ public class QuickstepModelDelegate extends ModelDelegate {
      * atom.
      */
     protected void registerSnapshotLoggingCallback() {
-        if (mStatsManager == null) {
+        if (mStatsManager == null || !LawnchairQuickstepCompat.ATLEAST_R) {
             Log.d(TAG, "Failed to get StatsManager");
+            return;
         }
 
         try {
@@ -330,7 +332,7 @@ public class QuickstepModelDelegate extends ModelDelegate {
         super.destroy();
         mActive = false;
         StatsLogCompatManager.LOGS_CONSUMER.remove(mAppEventProducer);
-        if (mIsPrimaryInstance) {
+        if (mIsPrimaryInstance && LawnchairQuickstepCompat.ATLEAST_R) {
             mStatsManager.clearPullAtomCallback(SysUiStatsLog.LAUNCHER_LAYOUT_SNAPSHOT);
         }
         destroyPredictors();