Proper autofill fix to let phone process autofill Settings activity.

am: 2f58b03ea1

Change-Id: Ia167badcdb5fee60a62c9cf0932150b54180ba0b

core/java/android/app/ActivityManagerInternal.java

@@ -263,4 +263,9 @@ public abstract class ActivityManagerInternal {
      * Clears the previously saved activity manager ANR state.
      */
     public abstract void clearSavedANRState();
+
+    /**
+     * Returns {@code true} if {@code uid} is running an activity from {@code packageName}.
+     */
+    public abstract boolean hasRunningActivity(int uid, @Nullable String packageName);
 }

services/autofill/java/com/android/server/autofill/AutofillManagerServiceImpl.java

@@ -26,6 +26,7 @@ import static com.android.server.autofill.Helper.sVerbose;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.app.ActivityManager;
+import android.app.ActivityManagerInternal;
 import android.app.AppGlobals;
 import android.app.IActivityManager;
 import android.content.ComponentName;
@@ -66,6 +67,7 @@ import com.android.internal.annotations.GuardedBy;
 import com.android.internal.logging.MetricsLogger;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.internal.os.HandlerCaller;
+import com.android.server.LocalServices;
 import com.android.server.autofill.ui.AutoFillUI;
 
 import java.io.PrintWriter;
@@ -421,16 +423,17 @@ final class AutofillManagerServiceImpl {
      * Asserts the component is owned by the caller.
      */
     private void assertCallerLocked(@NonNull ComponentName componentName) {
+        final String packageName = componentName.getPackageName();
         final PackageManager pm = mContext.getPackageManager();
         final int callingUid = Binder.getCallingUid();
         final int packageUid;
         try {
-            packageUid = pm.getPackageUidAsUser(componentName.getPackageName(),
-                    UserHandle.getCallingUserId());
+            packageUid = pm.getPackageUidAsUser(packageName, UserHandle.getCallingUserId());
         } catch (NameNotFoundException e) {
             throw new SecurityException("Could not verify UID for " + componentName);
         }
-        if (callingUid != packageUid) {
+        if (callingUid != packageUid && !LocalServices.getService(ActivityManagerInternal.class)
+                .hasRunningActivity(callingUid, packageName)) {
             final String[] packages = pm.getPackagesForUid(callingUid);
             final String callingPackage = packages != null ? packages[0] : "uid-" + callingUid;
             Slog.w(TAG, "App (package=" + callingPackage + ", UID=" + callingUid

services/core/java/com/android/server/am/ActivityManagerService.java

@@ -24143,6 +24143,26 @@ public class ActivityManagerService extends IActivityManager.Stub
                 mLastANRState = null;
             }
         }
+
+        @Override
+        public boolean hasRunningActivity(int uid, @Nullable String packageName) {
+            if (packageName == null) return false;
+
+            synchronized (ActivityManagerService.this) {
+                for (int i = 0; i < mLruProcesses.size(); i++) {
+                    final ProcessRecord processRecord = mLruProcesses.get(i);
+                    if (processRecord.uid == uid) {
+                        for (int j = 0; j < processRecord.activities.size(); j++) {
+                            final ActivityRecord activityRecord = processRecord.activities.get(j);
+                            if (packageName.equals(activityRecord.packageName)) {
+                                return true;
+                            }
+                        }
+                    }
+                }
+            }
+            return false;
+        }
     }
 
     /**