/* 本地通知:不通过网络,在本地实现的通知,自己发给自己 远程通知:必须通过网络,使用推送技术(APNs),实现通知  本地通知: 1.要完成可以接收的通知形式的注册  2.具体通知的设置  3.发送通知 */- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {    // Override point for customization after application launch.    //注意:iOS8.0之后才需要进行专门的设置    [self settingLocalNotifacation];        return YES;}//设置我可以接收的通知形式-(void)settingLocalNotifacation{    UIApplication *app = [UIApplication sharedApplication];        UIUserNotificationSettings *setting = [UIUserNotificationSettings settingsForTypes:UIUserNotificationTypeAlert|UIUserNotificationTypeBadge|UIUserNotificationTypeSound categories:0];        [app registerUserNotificationSettings:setting];}@implementation ViewController- (void)viewDidLoad {    [super viewDidLoad];        UIButton *btn = [UIButton buttonWithType:UIButtonTypeSystem];    btn.frame = CGRectMake(100, 100, 120, 30);    [btn setTitle:@"发送本地通知" forState:UIControlStateNormal];    [btn addTarget:self action:@selector(btnClicked:) forControlEvents:UIControlEventTouchUpInside];        [self.view addSubview:btn];    // Do any additional setup after loading the view, typically from a nib.}-(void)btnClicked:(UIButton *)btn{    //设置本地通知    UILocalNotification *localnoti = [[UILocalNotification alloc]init];        localnoti.alertTitle = @"放假";    localnoti.alertBody = @"明天放假";        localnoti.fireDate = [[NSDate date] dateByAddingTimeInterval:10];        //发送通知    UIApplication *app = [UIApplication sharedApplication];    [app scheduleLocalNotification:localnoti];}