Add Android 13 notification permission prompting

Author: jkasten2

Examples/OneSignalDemo/app/src/main/java/com/onesignal/sdktest/model/MainActivityViewModel.java

@@ -546,7 +546,6 @@ private void setupSubscriptionSwitch() {
         boolean isPermissionEnabled = deviceState != null && deviceState.areNotificationsEnabled();
         final boolean isSubscribed = deviceState != null && deviceState.isSubscribed();
 
-        subscriptionSwitch.setEnabled(isPermissionEnabled);
         subscriptionSwitch.setChecked(isSubscribed);
 
         if (isPermissionEnabled) {
@@ -561,6 +560,8 @@ private void setupSubscriptionSwitch() {
 
         subscriptionSwitch.setOnClickListener(v -> {
             OneSignal.disablePush(!subscriptionSwitch.isChecked());
+            if (subscriptionSwitch.isChecked())
+                OneSignal.promptForPushNotifications();
         });
     }
 

OneSignalSDK/onesignal/src/main/AndroidManifest.xml

@@ -4,6 +4,9 @@
     <!-- OneSignal SDK has runtime checks Android version. -->
     <!--<uses-sdk tools:overrideLibrary="android.support.customtabs"/>-->
 
+    <!-- Required runtime permission to display notifications on Android 13 -->
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
+
     <!-- Required so the device can access the internet. -->
     <uses-permission android:name="android.permission.INTERNET" />
 

OneSignalSDK/onesignal/src/main/java/com/onesignal/NavigateToAndroidSettingsForNotifications.kt

@@ -0,0 +1,20 @@
+package com.onesignal
+
+import android.content.Context
+import android.content.Intent
+
+object NavigateToAndroidSettingsForNotifications {
+    fun show(context: Context) {
+        val intent = Intent()
+        intent.action = "android.settings.APP_NOTIFICATION_SETTINGS"
+        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+
+        //for Android 5-7
+        intent.putExtra("app_package", context.getPackageName())
+        intent.putExtra("app_uid", context.getApplicationInfo().uid)
+
+        // for Android 8 and above
+        intent.putExtra("android.provider.extra.APP_PACKAGE", context.getPackageName())
+        context.startActivity(intent)
+    }
+}

OneSignalSDK/onesignal/src/main/java/com/onesignal/NotificationPermissionController.kt

@@ -0,0 +1,45 @@
+package com.onesignal
+
+object NotificationPermissionController : PermissionsActivity.PermissionCallback {
+    private const val PERMISSION_TYPE = "NOTIFICATION"
+
+    init {
+        PermissionsActivity.registerAsCallback(PERMISSION_TYPE, this)
+    }
+
+    fun prompt(
+        fallbackToSettings: Boolean,
+        androidPermissionString: String,
+    ) {
+        PermissionsActivity.startPrompt(
+            fallbackToSettings,
+            PERMISSION_TYPE,
+            androidPermissionString,
+            this::class.java
+        )
+    }
+
+    override fun onAccept() {
+        OneSignal.refreshNotificationPermissionState()
+    }
+
+    override fun onReject(fallbackToSettings: Boolean) {
+        if (fallbackToSettings) showFallbackAlertDialog()
+    }
+
+    private fun showFallbackAlertDialog() {
+        val activity = OneSignal.getCurrentActivity() ?: return
+        AlertDialogPrepromptForAndroidSettings.show(
+            activity,
+            activity.getString(R.string.notification_permission_name_for_title),
+            activity.getString(R.string.notification_permission_settings_message),
+            object : AlertDialogPrepromptForAndroidSettings.Callback {
+                override fun onAccept() {
+                    NavigateToAndroidSettingsForNotifications.show(activity)
+                }
+                override fun onDecline() {
+                }
+            }
+        )
+    }
+}

OneSignalSDK/onesignal/src/main/java/com/onesignal/OneSignal.java

@@ -1414,6 +1414,10 @@ static void onAppFocus() {
    }
 
    static void onAppStartFocusLogic() {
+      refreshNotificationPermissionState();
+   }
+
+   static void refreshNotificationPermissionState() {
       getCurrentPermissionState(appContext).refreshAsTo();
    }
 
@@ -1431,7 +1435,7 @@ private static void onAppFocusLogic() {
 
       OSNotificationRestoreWorkManager.beginEnqueueingWork(appContext, false);
 
-      getCurrentPermissionState(appContext).refreshAsTo();
+      refreshNotificationPermissionState();
 
       if (trackFirebaseAnalytics != null && getFirebaseAnalyticsEnabled())
          trackFirebaseAnalytics.trackInfluenceOpenEvent();
@@ -2834,6 +2838,10 @@ void onAnswered(OneSignal.PromptActionResult result) {
       LocationController.getLocation(appContext, true, fallbackToSettings, locationHandler);
    }
 
+   public static void promptForPushNotifications() {
+      NotificationPermissionController.INSTANCE.prompt(true, "android.permission.POST_NOTIFICATIONS");
+   }
+
    /**
     * Removes all OneSignal notifications from the Notification Shade. If you just use
     * {@link NotificationManager#cancelAll()}, OneSignal notifications will be restored when

OneSignalSDK/onesignal/src/main/res/values/strings.xml

@@ -9,4 +9,7 @@
 
     <string name="location_permission_name_for_title">Location</string>
     <string name="location_permission_settings_message">sharing your device location</string>
+
+    <string name="notification_permission_name_for_title">Notifications</string>
+    <string name="notification_permission_settings_message">Notifications</string>
 </resources>