1 //  2   3 //  AppDelegate.m  4   5 //  AppDelegate  6   7 //  8   9 //  Created by apple on 13-7-10. 10  11 //  Copyright (c) 2013年 itcast. All rights reserved. 12  13 // 14  15   16  17 #import "AppDelegate.h" 18  19   20  21 #import "ViewController.h" 22  23   24  25 @implementation AppDelegate 26  27   28  29 - (void)dealloc 30  31 { 32  33     [_window release]; 34  35     [_viewController release]; 36  37     [super dealloc]; 38  39 } 40  41   42  43 #pragma mark app加载完毕（默认情况下，只会打印1次） 44  45 // launchOptions ： 包含应用启动的一些信息（比如通过点击通知打开应用） 46  47 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions 48  49 { 50  51     self.window = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease]; 52  53     // Override point for customization after application launch. 54  55     self.viewController = [[[ViewController alloc] initWithNibName:@"ViewController" bundle:nil] autorelease]; 56  57     self.window.rootViewController = self.viewController; 58  59     [self.window makeKeyAndVisible]; 60  61      62  63     NSLog(@"didFinishLaunchingWithOptions--app加载完毕"); 64  65     return YES; 66  67 } 68  69   70  71 #pragma mark 失去焦点 72  73 // 程序进入Inactive状态 74  75 - (void)applicationWillResignActive:(UIApplication *)application 76  77 { 78  79     NSLog(@"applicationWillResignActive-未激活"); 80  81 } 82  83   84  85 #pragma mark 进入后台 86  87 // 一般在这个方法中保存数据 88  89 - (void)applicationDidEnterBackground:(UIApplication *)application 90  91 { 92  93     NSLog(@"applicationDidEnterBackground-进入后台"); 94  95      96  97     // 让程序保持后台运行状态 98  99     [application beginBackgroundTaskWithExpirationHandler:^{100 101         NSLog(@"后台运行时间到期了");102 103     }];104 105     106 107     // 取消所有的通知108 109     [application cancelAllLocalNotifications];110 111     112 113     UILocalNotification *note = [[[UILocalNotification alloc] init] autorelease];114 115     // 设置通知的文字116 117     note.alertBody = @"赶紧回来吧，哥！";118 119     // 设置通知出现的时间间隔120 121     note.repeatInterval = NSMinuteCalendarUnit;122 123     // 设置通知出现的声音124 125     // note.soundName = @"xxx.wav";126 127     // 设置通知第一次出现的时间128 129     note.fireDate = [NSDate dateWithTimeIntervalSinceNow:4];130 131     132 133     // 发布通知134 135     // [application presentLocalNotificationNow:<#(UILocalNotification *)#>];136 137     [application scheduleLocalNotification:note];138 139 }140 141  142 143 #pragma mark 进入前台144 145 - (void)applicationWillEnterForeground:(UIApplication *)application146 147 {148 149     NSLog(@"applicationWillEnterForeground-进入前台");150 151 }152 153  154 155 #pragma mark 当app被激活（获得了焦点，可以跟用户进行交互）156 157 // 这时候程序处于：Running状态158 159 - (void)applicationDidBecomeActive:(UIApplication *)application160 161 {162 163     NSLog(@"applicationDidBecomeActive-正在运行");164 165 }166 167  168 169 #pragma mark 当app接收到内存警告170 171 // 一般在这里回收不必要内存172 173 // 1.很容易就创建回来的对象174 175 // 2.占用内存很大的对象176 177 - (void)applicationDidReceiveMemoryWarning:(UIApplication *)application {178 179     NSLog(@"applicationDidReceiveMemoryWarning-内存警告");180 181 }182 183  184 185  186 187 #pragma mark 当程序处于后天运行状态，并且程序被关闭了就会调用188 189 - (void)applicationWillTerminate:(UIApplication *)application190 191 {192 193     NSLog(@"applicationWillTerminate--程序被关闭");194 195 }196 197 @end198 199