iOS内存警告处理

- (void)didReceiveMemoryWarning//内存警告
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.

NSLog(@"内存快爆了");

//判断是否加载过 或者是否正在屏幕上显示
if([self isViewLoaded]==YES &&self.view.window==nil){

//将跟视图销毁
self.view=nil;
}
}