Change default mode for system alert window
Starting from Q, on Phones, SYSTEM_ALERT_WINDOW is by default denied for
all callers.
Bug: 63697002
Test: m, flash, boot
Change-Id: I7f2f697ce6cafb43b6e4075ad1985a9041605a0a
diff --git a/core/java/android/app/AppOpsManager.java b/core/java/android/app/AppOpsManager.java
index e155fe2..7ae88e6 100644
--- a/core/java/android/app/AppOpsManager.java
+++ b/core/java/android/app/AppOpsManager.java
@@ -27,6 +27,7 @@
import android.annotation.UnsupportedAppUsage;
import android.app.usage.UsageStatsManager;
import android.content.Context;
+import android.content.pm.PackageManager;
import android.content.pm.ParceledListSlice;
import android.database.ContentObserver;
import android.media.AudioAttributes.AttributeUsage;
@@ -41,9 +42,9 @@
import android.os.UserManager;
import android.provider.Settings;
import android.util.ArrayMap;
+import android.util.SparseArray;
import com.android.internal.annotations.GuardedBy;
-import android.util.SparseArray;
import com.android.internal.app.IAppOpsActiveCallback;
import com.android.internal.app.IAppOpsCallback;
import com.android.internal.app.IAppOpsNotedCallback;
@@ -60,8 +61,8 @@
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
-import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.Executor;
+import java.util.concurrent.atomic.AtomicInteger;
import java.util.function.Consumer;
/**
@@ -1489,7 +1490,7 @@
AppOpsManager.MODE_ALLOWED, // READ_ICC_SMS
AppOpsManager.MODE_ALLOWED, // WRITE_ICC_SMS
AppOpsManager.MODE_DEFAULT, // WRITE_SETTINGS
- AppOpsManager.MODE_DEFAULT, // SYSTEM_ALERT_WINDOW
+ getSystemAlertWindowDefault(), // SYSTEM_ALERT_WINDOW
AppOpsManager.MODE_ALLOWED, // ACCESS_NOTIFICATIONS
AppOpsManager.MODE_ALLOWED, // CAMERA
AppOpsManager.MODE_ALLOWED, // RECORD_AUDIO
@@ -4807,4 +4808,21 @@
}
}
}
+
+ private static int getSystemAlertWindowDefault() {
+ final Context context = ActivityThread.currentApplication();
+ if (context == null) {
+ return AppOpsManager.MODE_DEFAULT;
+ }
+
+ // system alert window is disable on low ram phones starting from Q
+ final PackageManager pm = context.getPackageManager();
+ // TVs are constantly plugged in and has less concern for memory/power
+ if (ActivityManager.isLowRamDeviceStatic()
+ && !pm.hasSystemFeature(PackageManager.FEATURE_LEANBACK, 0)) {
+ return AppOpsManager.MODE_IGNORED;
+ }
+
+ return AppOpsManager.MODE_DEFAULT;
+ }
}