Added to iOS permission check to handle device push settings

Alexandre Gans · Alexandre Gans · commit 1633a097c43b · 2019-08-21T19:27:59.000-03:00
diff --git a/packages/firebase_messaging/android/src/main/java/io/flutter/plugins/firebasemessaging/FirebaseMessagingPlugin.java b/packages/firebase_messaging/android/src/main/java/io/flutter/plugins/firebasemessaging/FirebaseMessagingPlugin.java
@@ -208,6 +208,10 @@ public void run() {
       Boolean isEnabled = (Boolean) call.arguments();
       FirebaseMessaging.getInstance().setAutoInitEnabled(isEnabled);
       result.success(null);
+    } else if ("canRequestPermissions".equals(call.method)) {
+      result.success(null);
+    } else if ("requestPermissions".equals(call.method)) {
+      result.success(null);
     } else {
       result.notImplemented();
     }
diff --git a/packages/firebase_messaging/ios/Classes/FirebaseMessagingPlugin.m b/packages/firebase_messaging/ios/Classes/FirebaseMessagingPlugin.m
@@ -122,6 +122,20 @@ - (void)handleMethodCall:(FlutterMethodCall *)call result:(FlutterResult)result
     NSNumber *value = call.arguments;
     [FIRMessaging messaging].autoInitEnabled = value.boolValue;
     result(nil);
+  } else if ([@"requestPermissions" isEqualToString:method]) {
+    BOOL canOpenSettings = (&UIApplicationOpenSettingsURLString != NULL);
+    if (canOpenSettings) {
+        NSURL *url = [NSURL URLWithString:UIApplicationOpenSettingsURLString];
+        [[UIApplication sharedApplication] openURL:url];
+    }
+    result(nil);
+  } else if ([@"canRequestPermissions" isEqualToString:method]) {
+    BOOL canOpenSettings = (&UIApplicationOpenSettingsURLString != NULL);
+    if (canOpenSettings) {
+        result([NSNumber numberWithBool:YES]);
+    } else {
+        result([NSNumber numberWithBool:NO]);
+    }
   } else {
     result(FlutterMethodNotImplemented);
   }
diff --git a/packages/firebase_messaging/lib/firebase_messaging.dart b/packages/firebase_messaging/lib/firebase_messaging.dart
@@ -114,6 +114,14 @@ class FirebaseMessaging {
     await _channel.invokeMethod<void>('setAutoInitEnabled', enabled);
   }
 
+  Future<bool> canRequestPermissions() async {
+    return await _channel.invokeMethod('canRequestPermissions');
+  }
+
+  Future<void> requestPermissions() async {
+    await _channel.invokeMethod('requestPermissions');
+  }
+
   Future<dynamic> _handleMethod(MethodCall call) async {
     switch (call.method) {
       case "onToken":
