iOS10全新方法实现推送+deviceToken无法获取或无效的解决

- ( void )registerNotification{
    /*
     identifier：行为标识符，用于调用代理方法时识别是哪种行为。
     title：行为名称。
     UIUserNotificationActivationMode：即行为是否打开APP。
     authenticationRequired：是否需要解锁。
     destructive：这个决定按钮显示颜色，YES的话按钮会是红色。
     behavior：点击按钮文字输入，是否弹出键盘
     */
    UNNotificationAction *action1 = [UNNotificationAction actionWithIdentifier:@ "action1" title:@ "策略1行为1" options:UNNotificationActionOptionForeground];
    /*iOS9实现方法
    UIMutableUserNotificationAction * action1 = [[UIMutableUserNotificationAction alloc] init];
    = @"action1";
    =@"策略1行为1";
    = UIUserNotificationActivationModeForeground;
    = YES;
     */

    UNTextInputNotificationAction *action2 = [UNTextInputNotificationAction actionWithIdentifier:@ "action2" title:@ "策略1行为2" options:UNNotificationActionOptionDestructive textInputButtonTitle:@ "textInputButtonTitle" textInputPlaceholder:@ "textInputPlaceholder" ];
    /*iOS9实现方法
        UIMutableUserNotificationAction * action2 = [[UIMutableUserNotificationAction alloc] init];
        = @"action2";
        =@"策略1行为2";
        = UIUserNotificationActivationModeBackground;
        = NO;
        = NO;
        = UIUserNotificationActionBehaviorTextInput;//点击按钮文字输入，是否弹出键盘
    */

    UNNotificationCategory *category1 = [UNNotificationCategory categoryWithIdentifier:@ "Category1" actions:@[action2,action1] minimalActions:@[action2,action1] intentIdentifiers:@[@ "action1" ,@ "action2" ] options:UNNotificationCategoryOptionCustomDismissAction];
    //        UIMutableUserNotificationCategory * category1 = [[UIMutableUserNotificationCategory alloc] init];
    //         = @"Category1";
    //        [category1 setActions:@[action2,action1] forContext:(UIUserNotificationActionContextDefault)];

    UNNotificationAction *action3 = [UNNotificationAction actionWithIdentifier:@ "action3" title:@ "策略2行为1" options:UNNotificationActionOptionForeground];
    //        UIMutableUserNotificationAction * action3 = [[UIMutableUserNotificationAction alloc] init];
    //         = @"action3";
    //        =@"策略2行为1";
    //         = UIUserNotificationActivationModeForeground;
    //         = YES;

    UNNotificationAction *action4 = [UNNotificationAction actionWithIdentifier:@ "action4" title:@ "策略2行为2" options:UNNotificationActionOptionForeground];
    //        UIMutableUserNotificationAction * action4 = [[UIMutableUserNotificationAction alloc] init];
    //         = @"action4";
    //        =@"策略2行为2";
    //         = UIUserNotificationActivationModeBackground;
    //         = NO;
    //         = NO;

    UNNotificationCategory *category2 = [UNNotificationCategory categoryWithIdentifier:@ "Category2" actions:@[action3,action4] minimalActions:@[action3,action4] intentIdentifiers:@[@ "action3" ,@ "action4" ] options:UNNotificationCategoryOptionCustomDismissAction];
    //        UIMutableUserNotificationCategory * category2 = [[UIMutableUserNotificationCategory alloc] init];
    //         = @"Category2";
    //        [category2 setActions:@[action4,action3] forContext:(UIUserNotificationActionContextDefault)];


    [[UNUserNotificationCenter currentNotificationCenter] setNotificationCategories:[ NSSet setWithObjects:category1,category2, nil ]];
    [[UNUserNotificationCenter currentNotificationCenter] requestAuthorizationWithOptions:UNAuthorizationOptionBadge | UNAuthorizationOptionSound | UNAuthorizationOptionAlert completionHandler:^( BOOL granted, NSError * _Nullable error) {
        NSLog (@ "completionHandler" );
    }];
    /*iOS9实现方法
    UIUserNotificationSettings *settings = [UIUserNotificationSettings settingsForTypes:(UIUserNotificationTypeAlert|UIUserNotificationTypeBadge|UIUserNotificationTypeSound) categories:[NSSet setWithObjects: category1,category2, nil]];

    [[UIApplication sharedApplication] registerUserNotificationSettings:settings];
    */
    [[UIApplication sharedApplication] registerForRemoteNotifications];


    [UNUserNotificationCenter currentNotificationCenter].delegate = self ;
}