Updated dependency, added show error dialog

Author: JDDV

android/build.gradle

@@ -39,6 +39,6 @@ android {
 }
 
 dependencies {
-    implementation 'com.google.android.gms:play-services-base:17.2.1'
+    implementation 'com.google.android.gms:play-services-base:18.1.0'
     implementation 'androidx.annotation:annotation:1.1.0'
 }

android/src/main/java/com/baseflow/googleapiavailability/GoogleApiAvailabilityManager.java

@@ -40,6 +40,11 @@ interface showErrorNotificationCallback {
         void onSuccess(boolean showErrorNotificationCallback);
     }
 
+    @FunctionalInterface
+    interface showErrorDialogFragmentCallback {
+        void onSuccess(boolean showErrorDialogFragmentCallback);
+    }
+
     @FunctionalInterface
     interface ErrorCallback {
         void onError(String errorCode, String errorDescription);
@@ -121,4 +126,22 @@ void showErrorNotification(Context applicationContext, showErrorNotificationCall
 
         successCallback.onSuccess(false);
     }
+
+    void showErrorDialogFragment(Context applicationContext, Activity activity, showErrorDialogFragmentCallback successCallback, ErrorCallback errorCallback) {
+        if (applicationContext == null) {
+            Log.d(GoogleApiAvailabilityConstants.LOG_TAG, "Context cannot be null.");
+            errorCallback.onError("GoogleApiAvailability.showErrorDialogFragment", "Android context cannot be null.");
+            return;
+        }
+
+        final int errorCode = googleApiAvailability
+                .isGooglePlayServicesAvailable(applicationContext);
+
+        if (errorCode != GoogleApiAvailabilityConstants.GOOGLE_PLAY_SERVICES_AVAILABILITY_SUCCESS) {
+            googleApiAvailability.showErrorDialogFragment(activity, errorCode, GoogleApiAvailabilityConstants.REQUEST_GOOGLE_PLAY_SERVICES);
+            successCallback.onSuccess(true);
+        }
+
+        successCallback.onSuccess(false);
+    }
 }

android/src/main/java/com/baseflow/googleapiavailability/MethodCallHandlerImpl.java

@@ -78,6 +78,13 @@ public void onMethodCall(@NonNull MethodCall call, @NonNull Result result) {
                         null));
                 break;
             }
+            case "showErrorDialogFragment": {
+                googleApiAvailabilityManager.showErrorDialogFragment(applicationContext, activity, result::success,(String errorCode, String errorDescription) -> result.error(
+                        errorCode,
+                        errorDescription,
+                        null));
+                break;
+            }
             default:
                 result.notImplemented();
                 break;

example/lib/main.dart

@@ -177,6 +177,15 @@ class _MyAppState extends State<MyApp> {
               Center(
                   child: Text(
                       'Error notification shown: $_errorNotificationShown\n')),
+              MaterialButton(
+                onPressed: () => showErrorDialogFragment(),
+                child: const Text('Show error dialog fragment'),
+                color: Colors.red,
+              ),
+              Center(
+                  child: Text(
+                      'Error dialog shown: $_errorDialogShown\n')),
+
             ],
           )),
     );

lib/src/google_api_availability.dart

@@ -120,4 +120,25 @@ class GoogleApiAvailability {
 
     return showErrorNotification;
   }
+
+  /// Display an error dialog according to the [ErrorCode] if the connection status is not [SUCCESS].
+  ///
+  /// Returns true if the connection status did not equal [SUCCESS] or
+  /// any other non-[ConnectionResult] value.
+  /// Returns false otherwise.
+  Future<bool> showErrorDialogFragment() async {
+    if (defaultTargetPlatform != TargetPlatform.android) {
+      return false;
+    }
+
+    final showErrorDialogFragment =
+    await _methodChannel.invokeMethod('showErrorDialogFragment');
+
+    if (showErrorDialogFragment == null) {
+      return false;
+    }
+
+    return showErrorDialogFragment;
+  }
+
 }