iOS 监听app从后台恢复到前台

iOS 监听app从后台恢复到前台

 - (void)applicationDidEnterBackground:(UIApplication *)application 

{ 
    log4info(@"---applicationDidEnterBackground----"); 
   //进入后台  
} 
 
- (void)applicationDidBecomeActive:(UIApplication *)application 
{ 
 
    NSLog(@"---applicationDidBecomeActive----"); 
    //进入前台  
 
     
} 

- (void)applicationDidEnterBackground:(UIApplication *)application
{
    log4info(@"---applicationDidEnterBackground----");
   //进入后台
}

- (void)applicationDidBecomeActive:(UIApplication *)application
{

    NSLog(@"---applicationDidBecomeActive----");
    //进入前台

   
}