iPhone的鎖屏監測分為兩種方式監聽：
1. 程序在前臺，這種比較簡單。直接使用Darwin層的通知就可以了：
#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."); }}- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions{ // Override point for customization after application launch. CFNotificationCenterAddObserver(CFNotificationCenterGetDarwinNotifyCenter(), NULL, screenLockStateChanged, NotificationLock, NULL, CFNotificationSuspensionBehaviorDeliverImmediately); CFNotificationCenterAddObserver(CFNotificationCenterGetDarwinNotifyCenter(), NULL, screenLockStateChanged, NotificationChange, NULL, CFNotificationSuspensionBehaviorDeliverImmediately); //setScreenStateCb(); return YES;}2. 第二種是程序退后臺后，這時再鎖屏就收不到上面的那個通知了，需要另外一種方式, 以循環的方式一直來檢測是否是鎖屏狀態，會消耗性能并可能被蘋果掛起(有可能沒作用)；
static void setScreenStateCb(){ uint64_t locked; __block int token = 0; notify_register_dispatch("com.apple.springboard.lockstate",&token,dispatch_get_main_queue(),^(int t){ }); notify_get_state(token, &locked); NSLog(@"%d",(int)locked);}- (void)applicationDidEnterBackground:(UIApplication *)application{ while (YES) { setScreenStateCb(); sleep(1); }}以上所述是小編給大家介紹的iOS監聽手機鎖屏狀態，希望對大家有所幫助，如果大家有任何疑問請給我留言，小編會及時回復大家的。在此也非常感謝大家對武林網網站的支持！
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