//适配ios7
if ([[[UIDevice currentDevice] systemVersion] doubleValue]>=7.0) {
self.navigationController.navigationBar.translucent = NO;
}
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
CLLocationManager *locationManager = [[CLLocationManager alloc] init];
//获取授权认证
[locationManager requestAlwaysAuthorization];
[locationManager requestWhenInUseAuthorization];
}
