Android 10 permission

app/src/main/java/info/nightscout/androidaps/MainActivity.java

@@ -147,6 +147,7 @@ public class MainActivity extends NoSplashAppCompatActivity {
         if (Config.PUMPDRIVERS) {
             AndroidPermission.notifyForLocationPermissions(this);
             AndroidPermission.notifyForSMSPermissions(this);
+            AndroidPermission.notifyForSystemWindowPermissions(this);
         }
     }
 
@@ -245,6 +246,7 @@ public class MainActivity extends NoSplashAppCompatActivity {
                     case AndroidPermission.CASE_SMS:
                     case AndroidPermission.CASE_BATTERY:
                     case AndroidPermission.CASE_PHONE_STATE:
+                    case AndroidPermission.CASE_SYSTEM_WINDOW:
                         break;
                 }
             }

app/src/main/java/info/nightscout/androidaps/plugins/general/overview/notifications/Notification.java

@@ -78,6 +78,7 @@ public class Notification {
     public static final int USERMESSAGE = 53;
     public static final int OVER_24H_TIME_CHANGE_REQUESTED = 54;
     public static final int INVALID_VERSION = 55;
+    public static final int PERMISSION_SYSTEM_WINDOW = 56;
 
 
     public int id;

app/src/main/java/info/nightscout/androidaps/utils/AndroidPermission.java

@@ -32,6 +32,7 @@ public class AndroidPermission {
     public static final int CASE_LOCATION = 0x3;
     public static final int CASE_BATTERY = 0x4;
     public static final int CASE_PHONE_STATE = 0x5;
+    public static final int CASE_SYSTEM_WINDOW = 0x6;
 
     private static boolean permission_battery_optimization_failed = false;
 
@@ -130,4 +131,22 @@ public class AndroidPermission {
         } else
             RxBus.INSTANCE.send(new EventDismissNotification(Notification.PERMISSION_LOCATION));
     }
+
+    public static synchronized void notifyForSystemWindowPermissions(Activity activity) {
+        if (!Settings.canDrawOverlays(activity)) {
+            NotificationWithAction notification = new NotificationWithAction(Notification.PERMISSION_SYSTEM_WINDOW, MainApp.gs(R.string.needsystemwindowpermission), Notification.URGENT);
+            notification.action(R.string.request, () -> {
+                        // Check if Android Q or higher
+                        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.P) {
+                            // Show alert dialog to the user saying a separate permission is needed
+                            // Launch the settings activity if the user prefers
+                            Intent intent = new Intent(Settings.ACTION_MANAGE_OVERLAY_PERMISSION,
+                                    Uri.parse("package:" + activity.getPackageName()));
+                            activity.startActivity(intent);
+                        }
+                    });
+            RxBus.INSTANCE.send(new EventNewNotification(notification));
+        } else
+            RxBus.INSTANCE.send(new EventDismissNotification(Notification.PERMISSION_SYSTEM_WINDOW));
+    }
 }

app/src/main/res/values/strings.xml

@@ -1102,6 +1102,7 @@
     <string name="startobjective">Start your first objective</string>
     <string name="permission">Permission</string>
     <string name="askforpermission">Ask for permission</string>
+    <string name="needsystemwindowpermission">Application needs system window permission for notifications</string>
     <string name="needlocationpermission">Application needs location permission for BT scan</string>
     <string name="needstoragepermission">Application needs storage permission to be able store log files</string>
     <string name="request">Request</string>