摘要： z在《iphone开发基础教程》第11章的例子程序 Persistence第一版用到了这段程序UIApplication *app = [UIApplication sharedApplication]; [[NSNotificationCenter defaultCenter] addObserver:selfselector:@selector(applicationWillTerminate:)name:UIApplicationWillTerminateNotification object:app];书上说按home后 程序会触发 UIApplicationWillTerminate 阅读全文