iOS相机 相册 麦克风 定位等权限是否拥有

相册

#import <AssetsLibrary/AssetsLibrary.h>

ALAuthorizationStatus author = [ALAssetsLibrary authorizationStatus];

        if (author == ALAuthorizationStatusRestricted || author ==ALAuthorizationStatusDenied)

        {

            //无权限

        }

        else

        {

            //有权限

        }

相机

#import <AVFoundation/AVCaptureDevice.h>

#import <AVFoundation/AVMediaFormat.h>

AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];

    if(authStatus == AVAuthorizationStatusRestricted || authStatus ==AVAuthorizationStatusDenied)

    {

        //无权限

    }

    else

    {

        //有权限

    }

麦克风

#import <AVFoundation/AVFoundation.h>

[[AVAudioSession sharedInstance] requestRecordPermission:^(BOOL granted) {

            if (granted) {

                    // 有权限

             } else {

                      // 无权限

                }

        }];

定位

#import <CoreLocation/CoreLocation.h>

if ([CLLocationManager authorizationStatus] == kCLAuthorizationStatusDenied)       

{            

// 有权限        

}       

else       

{            

// 无权限        

}