morningstar_alex的专栏

LAContext *myContext = [[LAContext alloc] init]; NSString *reason = @"请验证已有指纹"; myContext.localizedFallbackTitle = @""; [myContext evaluatePolicy:LAPolicyDeviceOwnerAu

开启监听[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil]; [[NSNotificationCenter defaultCenter] addObserver: