APP有UITabbarController、UINavigationController；

主頁：FirstViewController

指定頁：MyViewController

@interfaceCustomTabBarViewCtr:UITabBarController

<p style="margin-top: 0px; margin-bottom: 0px; font-size: 11px; font-family: Menlo;"><span style="color: rgb(222, 56, 166);">@interface</span><span style="color:#009900;"> CustomNavigationViewCtr : </span><span style="color:#3333ff;">UINavigationController</span></p>
 

後臺執行時：

<pre name="code" class="objc"><span style="color:#006600;">// ios7 later 點選推送訊息 呼叫此方法
</span><span style="color:#3333ff;">
- (void)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo fetchCompletionHandler:(void (^)(UIBackgroundFetchResult))completionHandler {
    application.applicationIconBadgeNumber = 0;

    [self getCurrentRootViewController:application];

    completionHandler(UIBackgroundFetchResultNoData);
}</span>
 

<pre name="code" class="objc"><pre name="code" class="objc"><span style="color:#006600;">//    獲取當前viewcontroller</span>
<span style="color:#3333ff;">-(void)getCurrentRootViewController:(UIApplication*)applocation
{
    CustomTabBarViewCtr * instance = [CustomTabBarViewCtr shareTabBarViewCtr];
    UIViewController *controller = instance.selectedViewController;
    
    if ([controller isKindOfClass:[UINavigationController class]]){
        
        controller = [(UINavigationController *)controller visibleViewController];
        
        MyMesgesViewController *five=[[MyMesgesViewController alloc]init];

        [controller.navigationController pushViewController:five animated:YES];
    
    }
}</span>
 

 <pre name="code" class="objc"><span style="color:#009900;">//程式在關閉狀態時  點選推送訊息開啟程式則 launchOptions 不為空</span>  
<span style="color:#3333ff;">-(void)zhuceTuiSOng:(UIApplication *)application WithOptions:(NSDictionary *)launchOptions
{
   ......其他程式碼......

    if (launchOptions) {
        application.applicationIconBadgeNumber = 0;
        /* 想處理的程式碼寫在這 */
        //擷取apns推送的訊息
        NSDictionary* pushInfo = [launchOptions objectForKey:@"UIApplicationLaunchOptionsRemoteNotificationKey"];
        //獲取推送詳情
        NSString *pushInfostr = [NSString stringWithFormat:@"%@",[pushInfo  objectForKey:@"aps"]];

    }
}</span>

<span style="color:#009900;">會自動呼叫方法- (void)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo fetchCompletionHandler:(void (^)(UIBackgroundFetchResult))completionHandler；</span>

</pre><br /><br /><p><br /></p><p>// 附屬方法，這是一些其他類裡的方法，為了方便理解上邊程式碼，單獨拷貝出來以供參考理解</p><p></p><pre name="code" class="objc"><span style="color:#3333ff;">+(CustomTabBarViewCtr *)shareTabBarViewCtr
{
    static CustomTabBarViewCtr * instance = nil;
    if (instance == nil) {
        instance = [[CustomTabBarViewCtr alloc] init];
    }
    return instance;
}
</span>

<span style="color:#3333ff;">-(void)addViewCtrs
{
    FirstViewController * fvc = [[FirstViewController alloc] init];
    CustomNavigationViewCtr * cvc1 = [[CustomNavigationViewCtr alloc] initWithRootViewController:fvc];
    
    SecondViewController * fvc2 = [[SecondViewController alloc] init];
    CustomNavigationViewCtr * cvc2 = [[CustomNavigationViewCtr alloc] initWithRootViewController:fvc2];
    
    NSArray * aryTemp = [NSArray arrayWithObjects:cvc1,cvc2, nil];
    
    
    self.viewControllers = aryTemp;
}</span>