a patch to force stop app for android systems

m.diff

project frameworks/base/
diff --git a/packages/SystemUI/AndroidManifest.xml b/packages/SystemUI/AndroidManifest.xml
index 070634b..3e359b4 100644
--- a/packages/SystemUI/AndroidManifest.xml
+++ b/packages/SystemUI/AndroidManifest.xml
@@ -90,6 +90,8 @@
     <uses-permission android:name="android.permission.MANAGE_ACTIVITY_STACKS" />
     <uses-permission android:name="android.permission.START_TASKS_FROM_RECENTS" />
     <uses-permission android:name="android.permission.GET_INTENT_SENDER_INTENT" />
+    <uses-permission android:name="android.permission.FORCE_STOP_PACKAGES" />
+    <uses-permission android:name="android.permission.KILL_BACKGROUND_PROCESSES" />
 
     <!-- WindowManager -->
     <uses-permission android:name="android.permission.INTERNAL_SYSTEM_WINDOW" />
diff --git a/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java b/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
index 86b7790..c30a3d8 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
@@ -824,6 +824,13 @@ public class RecentsActivity extends Activity implements ViewTreeObserver.OnPreD
 
         // Remove the task from activity manager
         SystemServicesProxy ssp = Recents.getSystemServices();
+        if(event.task.topActivity != null) {
+            String pkgName = event.task.topActivity.getPackageName();
+            Log.w("CYSIN", "Force stopping: " + pkgName);
+            if(pkgName != null && !pkgName.isEmpty()) {
+                ssp.forceStopPackage(pkgName);
+            }
+        }
         ssp.removeTask(event.task.key.id);
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java b/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
index c9ef43e..8a30858 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
@@ -806,6 +806,19 @@ public class SystemServicesProxy {
         });
     }
 
+    /** Force stop the task */
+    public void forceStopPackage(String pkgName) {
+        if (mAm == null) return;
+        if (RecentsDebugFlags.Static.EnableMockTasks) return;
+
+        // force stop the task.
+        mUiOffloadThread.submit(() -> {
+            //mAm.removeTask(taskId);
+            mAm.forceStopPackage(pkgName);
+            mAm.killBackgroundProcesses(pkgName);
+        });
+    }
+    
     /**
      * Sends a message to close other system windows.
      */
diff --git a/services/core/java/com/android/server/am/ActiveServices.java b/services/core/java/com/android/server/am/ActiveServices.java
index 9d823a7..07cb50e 100644
--- a/services/core/java/com/android/server/am/ActiveServices.java
+++ b/services/core/java/com/android/server/am/ActiveServices.java
@@ -2685,7 +2685,7 @@ public final class ActiveServices {
                         // We are done with the associated start arguments.
                         r.findDeliveredStart(startId, true);
                         // Don't stop if killed.
-                        r.stopIfKilled = false;
+                        r.stopIfKilled = true;
                         break;
                     }
                     case Service.START_NOT_STICKY: {