iOS原生推送（APNS）进阶iOS10推送图片、视频、音乐

代码地址如下：
http://www.demodashi.com/demo/13208.html

前言

我们首先要在AppDelegate里面进行iOS的适配，可以参考这篇文章

iOS原生推送（APNS）的实现，
如果已经适配过了请忽略。

程序实现

Xcode打开项目，File-->New-->Target;

然后分别选UNNotificationServiceExtension、UNNotificationContent创建Target；

然后在UNNotificationServiceExtension的- (void)didReceiveNotificationRequest:(UNNotificationRequest *)request withContentHandler:(void (^)(UNNotificationContent * _Nonnull))contentHandler {}方法中添加下面的代码；

NSMutableArray *actionMutableArr = [[NSMutableArray alloc] initWithCapacity:1];

UNNotificationAction * actionA  =[UNNotificationAction actionWithIdentifier:@"ActionA" title:@"不感兴趣" options:UNNotificationActionOptionAuthenticationRequired];

UNNotificationAction * actionB = [UNNotificationAction actionWithIdentifier:@"ActionB" title:@"不感兴趣" options:UNNotificationActionOptionDestructive];

UNNotificationAction * actionC = [UNNotificationAction actionWithIdentifier:@"ActionC" title:@"进去瞅瞅" options:UNNotificationActionOptionForeground];

UNTextInputNotificationAction * actionD = [UNTextInputNotificationAction actionWithIdentifier:@"ActionD" title:@"作出评论" options:UNNotificationActionOptionDestructive textInputButtonTitle:@"send" textInputPlaceholder:@"say some thing"];

[actionMutableArr addObjectsFromArray:@[actionA,actionB,actionC,actionD]];

if (actionMutableArr.count) {

UNNotificationCategory * notficationCategory = [UNNotificationCategory categoryWithIdentifier:@"categoryNoOperationAction" actions:actionMutableArr intentIdentifiers:@[@"ActionA",@"ActionB",@"ActionC",@"ActionD"] options:UNNotificationCategoryOptionCustomDismissAction];

[[UNUserNotificationCenter currentNotificationCenter] setNotificationCategories:[NSSet setWithObject:notficationCategory]];

}

上面的方法是添加推送消息下面的事件（进入应用查看，取消查看，快捷回复）的，如果你的应用不需要可以忽略；

self.contentHandler = contentHandler;

self.bestAttemptContent = [request.content mutableCopy];

self.bestAttemptContent.categoryIdentifier = @"categoryNoOperationAction";

// Modify the notification content here...

//    self.bestAttemptContent.title = [NSString stringWithFormat:@"点击查看更多内容"];

NSDictionary *dict =  self.bestAttemptContent.userInfo;

//    NSDictionary *notiDict = dict[@"aps"];

NSString *mediaUrl = [NSString stringWithFormat:@"%@",dict[@"media"][@"url"]];

NSLog(@"%@",mediaUrl);

if (!mediaUrl.length) {

self.contentHandler(self.bestAttemptContent);

}

[self loadAttachmentForUrlString:mediaUrl withType:dict[@"media"][@"type"] completionHandle:^(UNNotificationAttachment *attach) {

if (attach) {

self.bestAttemptContent.attachments = [NSArray arrayWithObject:attach];

}

self.contentHandler(self.bestAttemptContent);

}];

//处理视频，图片的等多媒体

- (void)loadAttachmentForUrlString:(NSString *)urlStr

withType:(NSString *)type

completionHandle:(void(^)(UNNotificationAttachment *attach))completionHandler{

__block UNNotificationAttachment *attachment = nil;

NSURL *attachmentURL = [NSURL URLWithString:urlStr];

NSString *fileExt = [self fileExtensionForMediaType:type];

NSURLSession *session = [NSURLSession sessionWithConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration]];

[[session downloadTaskWithURL:attachmentURL

completionHandler:^(NSURL *temporaryFileLocation, NSURLResponse *response, NSError *error) {

if (error != nil) {

NSLog(@"%@", error.localizedDescription);

} else {

NSFileManager *fileManager = [NSFileManager defaultManager];

NSURL *localURL = [NSURL fileURLWithPath:[temporaryFileLocation.path stringByAppendingString:fileExt]];

[fileManager moveItemAtURL:temporaryFileLocation toURL:localURL error:&error];

NSError *attachmentError = nil;

attachment = [UNNotificationAttachment attachmentWithIdentifier:@"" URL:localURL options:nil error:&attachmentError];

if (attachmentError) {

NSLog(@"%@", attachmentError.localizedDescription);

}

}

completionHandler(attachment);

}] resume];

}

- (NSString *)fileExtensionForMediaType:(NSString *)type {

NSString *ext = type;

if ([type isEqualToString:@"image"]) {

ext = @"jpg";

}

if ([type isEqualToString:@"video"]) {

ext = @"mp4";

}

if ([type isEqualToString:@"audio"]) {

ext = @"mp3";

}

return [@"." stringByAppendingString:ext];

}

上面的这两段代码是当推送消息来了后，我们将mdeia下的url内的文件下载到本地，然后将路径交给系统，进而实现推送多媒体文件的目的；

这里说一下必须注意的两个坑、个坑、坑：

1.将UNNotificationServiceExtension中的pilst文件中添加

（1）在Info.plist中添加NSAppTransportSecurity类型Dictionary。

（2）在NSAppTransportSecurity下添加NSAllowsArbitraryLoads类型Boolean,值设为YES

这是因为从iOS9开始苹果不允许直接http访问，加上这两个字段就可以访问http，如果你不添加，只有你推送https的media文件才能被下载，http则不能被下载；

2.选中工程---> UNNotificationServiceExtension所对应的Target-->Deploy Target设置为iOS10，因为是从iOS10才支持推送多媒体文件，它默认是从当前Xocde支持的最高版本，比如小编的手机版本iOS10.0.2，它默认是iOS 10.2.0.刚开始小编没有修改，推送死活出不来图片，只有文字；后台检查才发现这里是从iOS 10.2.0支持的，心中一万个草泥马崩腾而过；

忙活了这么多还是看一下效果吧，我只做了图片与视频，声音应该差别不大。

推送视频效果图

推送图片效果图

自定义推送的UI

1、在UNNotificationServiceExtension的- (void)didReceiveNotificationRequest:(UNNotificationRequest *)request withContentHandler:(void (^)(UNNotificationContent * _Nonnull))contentHandler方法内为self.bestAttemptContent添加categoryIdentifier

self.bestAttemptContent.categoryIdentifier = @"myNotificationCategory";

然后将这个categoryIdentifier粘贴在UNNotificationContent的infoplist内NSExtension-->NSExtensionAttributes-->UNNotificationExtensionCategory的字段内；然后在下面在添加一个字段UNNotificationExtensionDefaultContentHidden设置bool值为YES，这里是隐藏系统的UI；

2. 在上面的下载多媒体文件的- (void)loadAttachmentForUrlString:(NSString *)urlStr withType:(NSString *)type completionHandle:(void(^(UNNotificationAttachment *attach))completionHandler；方法内添加

NSMutableDictionary * dict = [self.bestAttemptContent.userInfo mutableCopy];

[dict setObject:[NSData dataWithContentsOfURL:localURL] forKey:@"image"];

self.bestAttemptContent.userInfo = dict;

我这里是将图片的Data数据放到推送的userInfo里面，然后在自定义UI的UNNotificationContent内获取这个Date，然后加载UI；
3、 在UNNotificationContent的maininterface.storyboard内部将UI做好，然后在UNNotificationContent的- (void)didReceiveNotification:(UNNotification *)notification ；方法内进行UI加载。

UI运行效果

项目结构图

iOS原生推送（APNS）进阶iOS10推送图片、视频、音乐

代码地址如下：
http://www.demodashi.com/demo/13208.html

注：本文著作权归作者，由demo大师代发，拒绝转载，转载需要作者授权