检测手机在前台锁屏//检测在前台锁屏—需要导入

#import<notify.h>

#define NotificationLock CFSTR("com.apple.springboard.lockcomplete")

#define NotificationChange CFSTR("com.apple.springboard.lockstate")

#define NotificationPwdUI CFSTR("com.apple.springboard.hasBlankedScreen")

static void screenLockStateChanged(CFNotificationCenterRef center,void* observer,CFStringRef name,const void*object,CFDictionaryRef userInfo)

{

NSString* lockstate = (__bridge NSString*)name;

if ([lockstate isEqualToString:(__bridge  NSString*)NotificationLock]) {

NSLog(@"locked.");

} else {

NSLog(@"lock state changed.");//解锁调用

[[LoginInfoClass sharedInstance].mainViewCtrl appActive];

}

}

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

// Override point for customization after application launch.

//屏幕锁屏

CFNotificationCenterAddObserver(CFNotificationCenterGetDarwinNotifyCenter(), NULL, screenLockStateChanged, NotificationLock, NULL, CFNotificationSuspensionBehaviorDeliverImmediately);

CFNotificationCenterAddObserver(CFNotificationCenterGetDarwinNotifyCenter(), NULL, screenLockStateChanged, NotificationChange, NULL, CFNotificationSuspensionBehaviorDeliverImmediately);

}