当编码如下的时候,进入页面的时候可以看到UIAlertView弹出框出现一下,刚想点击的时候,他不见了,这个郁闷
CLLocationManager* _locationManager = [[CLLocationManager alloc] init]; _locationManager.desiredAccuracy = kCLLocationAccuracyHundredMeters; if ([[UIDevice currentDevice].systemVersion floatValue] >= 8) { //由于IOS8中定位的授权机制改变 需要进行手动授权 //获取授权认证 [_locationManager requestWhenInUseAuthorization]; } [_locationManager startUpdatingLocation];究其原因是在arc下用完就被释放了,为了确保用户可以点击权限,只需要将 _locationManager 设置为属性即可,如下:
@PRoperty (strong, nonatomic) CLLocationManager* locationManager; self.locationManager = [[CLLocationManager alloc] init]; _locationManager.desiredAccuracy = kCLLocationAccuracyHundredMeters; if ([[UIDevice currentDevice].systemVersion floatValue] >= 8) { //由于IOS8中定位的授权机制改变 需要进行手动授权 //获取授权认证 [_locationManager requestWhenInUseAuthorization]; } [_locationManager startUpdatingLocation];如此再测试,完全没问题!
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