我想在我的应用中使用startMonitoringSignificantLocationChanges,但我有一些问题,希望得到一些帮助:
对于一个常见的应用程序,如果应用程序进入后台,10分钟后,系统可以杀死app.if我使用startMonitoringSignificantLocationChanges,当我进入后台两小时,我的应用程序没有终止,因为我点击图标,应用程序将进入最后一个退出页面.if应用程序被杀死,当您单击该图标时,您将首先看到默认页面。所以我的问题是使用startMonitoringSignificantLocationChanges我的应用程序在进入后台10分钟后没有被系统杀死?
如果我关闭手机,并重新启动手机,当重要的位置更改时,我的应用程序如果可以激活,我看苹果开发文档它回答是。所以我测试:
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
if([CLLocationManager significantLocationChangeMonitoringAvailable]){
[self log:@"sigAvailable=YES"];
}
// Override point for customizatio-n after application launch.
id locationValue = [launchOptions objectForKey:UIApplicationLaunchOptionsLocationKey];
if (locationValue)
{
// create a new manager and start checking for sig changes
[self log:@"didFinishLaunchingWithOptions location key"];
m_locManager = [[CLLocationManager alloc] init];
[self log:@"didFinishLaunchingWithOptions created manager"];
m_locManager.delegate = self;
[self log:@"didFinishLaunchingWithOptions set delegate"];
[m_locManager startMonitoringSignificantLocationChanges];
[self log:@"didFinishLaunchingWithOptions monitoring sig changes"];
// do send local notification
return YES;
}
[self log:@"didFinishLaunchingWithOptions"];
return YES;
}
我的问题:当重启移动和本地通知时,运行上面的代码并记录“didFinishLaunchingWithOptions location key”等等,如果我在上面的代码发送本地通知,如果用户会收到?
答案 0 :(得分:2)
地图有新功能,可以停止位置更新 它有助于唤醒应用以接收位置更新。link
locationManager.pausesLocationUpdatesAutomatically
另见all others。
将本地通知添加到
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
// creating local notification
Class cls = NSClassFromString(@"UILocalNotification");
if (cls)
{
UILocalNotification *notification = [launchOptions objectForKey:
UIApplicationLaunchOptionsLocalNotificationKey];
if (notification)
{
NSString *reminderText = [notification.userInfo
objectForKey:kRemindMeNotificationDataKey];
NSLog(@"notification text:%@",reminderText);
// [viewController._msgTextView setText:reminderText];
}
}
application.applicationIconBadgeNumber = 0;
你可以在
中处理它们- (void)application:(UIApplication *)application
didReceiveLocalNotification:(UILocalNotification *)notification
{
NSLog(@"application:didReceiveLocalNotification:");
}
您可以在
中安排本地通知-(void) locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation
{
Class cls = NSClassFromString(@"UILocalNotification");
if (cls != nil)
{
UILocalNotification *notif = [[cls alloc] init];
notif.fireDate = notifyDate;
notif.timeZone = [NSTimeZone defaultTimeZone];
notif.alertBody = AlertMsg;
notif.soundName = UILocalNotificationDefaultSoundName;
notif.applicationIconBadgeNumber = [[UIApplication sharedApplication]applicationIconBadgeNumber]+1;
notif.alertAction = @"Show me";
[[UIApplication sharedApplication] scheduleLocalNotification:notif];
}
}