查询是否有权限访问相机和相册

+(BOOL)getSystemPhotoAuthority
{
    BOOL agree=NO;
    AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];
    if(authStatus == AVAuthorizationStatusAuthorized||authStatus == AVAuthorizationStatusNotDetermined)
    {
        agree=YES;
    }else
    {
        agree=NO;
    }
    return agree;
}
+(BOOL)getSystemImageAuthority
{
    BOOL agree=NO;
    ALAuthorizationStatus author = [ALAssetsLibrary authorizationStatus];
    if(author == ALAuthorizationStatusAuthorized||author == ALAuthorizationStatusNotDetermined)
    {
        agree=YES;
    }else
    {
        agree=NO;
    }
    return agree;
}