Hopefully make alerts not stop music on iOS (#59)

config.xml

@@ -51,8 +51,10 @@
         <preference name="AutoHideSplashScreen" value="true" />
         <preference name="FadeSplashScreen" value="true" />
         <preference name="ShowSplashScreenSpinner" value="false" />
+        <preference name="MediaPlaybackAllowsAirPlay" value="false"/>
         <hook src="scripts/npm_prepare.sh" type="before_prepare" />
         <hook src="scripts/remove_powermanagement.sh" type="before_prepare" />
+        <hook src="scripts/fix_ios_audio.sh" type="before_compile" />
         <preference name="StatusBarOverlaysWebView" value="false" />
         <preference name="DisallowOverscroll" value="true" />
         <allow-intent href="itms:*" />

scripts/fix_ios_audio.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+echo "Replacing AppDelegate.m to fix AVAudioSession.Category..."
+
+cp src/ios/AppDelegate.m platforms/ios/PackageHelper/Classes/AppDelegate.m

src/ios/AppDelegate.m

@@ -0,0 +1,44 @@
+/*
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements.  See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership.  The ASF licenses this file
+ to you under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance
+ with the License.  You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing,
+ software distributed under the License is distributed on an
+ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ KIND, either express or implied.  See the License for the
+ specific language governing permissions and limitations
+ under the License.
+ */
+
+//
+//  AppDelegate.m
+//  PackageHelper
+//
+//  Created by ___FULLUSERNAME___ on ___DATE___.
+//  Copyright ___ORGANIZATIONNAME___ ___YEAR___. All rights reserved.
+//
+
+#import "AppDelegate.h"
+#import "MainViewController.h"
+#import <AVFoundation/AVFoundation.h>
+
+@implementation AppDelegate
+
+- (BOOL)application:(UIApplication*)application didFinishLaunchingWithOptions:(NSDictionary*)launchOptions
+{
+    self.viewController = [[MainViewController alloc] init];
+    //set audio category to stop app interrupting music
+    NSError *setCategoryError = nil;
+    BOOL success = [[AVAudioSession sharedInstance] setCategory: AVAudioSessionCategoryAmbient error: &setCategoryError];
+    
+    return [super application:application didFinishLaunchingWithOptions:launchOptions];
+}
+
+@end