iOS 一些权限的处理

相机权限判断

/// 相机权限判断
-(void)getCameraPermissionBlock:(void(^)(BOOL isAuthorization))block{
    NSInteger isAuthorization = 1;
    AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];
    switch (authStatus) {
        case AVAuthorizationStatusNotDetermined:
            //没有询问是否开启相机
            isAuthorization = 0;
            break;
        case AVAuthorizationStatusRestricted:
            //未授权，家长限制
            isAuthorization = -1;
            break;
        case AVAuthorizationStatusDenied:
            //用户未授权
            isAuthorization = -1;
            break;
        case AVAuthorizationStatusAuthorized:
            //用户授权
            break;
        default:
            break;
    }
    if (isAuthorization == 0) {
        [AVCaptureDevice requestAccessForMediaType:AVMediaTypeVideo completionHandler:^(BOOL granted) {
            dispatch_async(dispatch_get_main_queue(), ^{
                if (block) {
                    block(granted);
                }
            });
        }];
    }else{
        dispatch_async(dispatch_get_main_queue(), ^{
            if (block) {
                if (isAuthorization == 1) {
                    block(YES);
                }else{
                    block(NO);
                }
            }
        });
    }
    
}

相册权限判断

// 相册权限判断
- (void)getPhotoAlbumPermissionBlock:(void(^)(BOOL isAuthorization))block{
    NSInteger isAuthorization = 1;
    PHAuthorizationStatus photoAuthorStatus = [PHPhotoLibrary authorizationStatus];
    switch (photoAuthorStatus) {
        case PHAuthorizationStatusNotDetermined:
            //没有询问是否开启相机
            isAuthorization = 0;
            break;
        case PHAuthorizationStatusRestricted:
            //未授权，家长限制
            isAuthorization = -1;
            break;
        case PHAuthorizationStatusDenied:
            //用户未授权
            isAuthorization = -1;
            break;
        case PHAuthorizationStatusLimited:
            //用户限制性授权
            break;
        case PHAuthorizationStatusAuthorized:
            //用户授权
            break;
        default:
            break;
    }
    if (isAuthorization == 0) {
        [PHPhotoLibrary requestAuthorization:^(PHAuthorizationStatus status) {
            dispatch_async(dispatch_get_main_queue(), ^{
                if (block) {
                    if(status == PHAuthorizationStatusAuthorized || status == PHAuthorizationStatusLimited){
                        block(YES);
                    }else{
                        block(NO);
                    }
                    
                }
            });
        }];
    }else{
        dispatch_async(dispatch_get_main_queue(), ^{
            if (block) {
                if (isAuthorization == 1) {
                    block(YES);
                }else{
                    block(NO);
                }
            }
        });
    }
}

麦克风权限判断

/// 麦克风权限判断
-(void)getMicrophonePermissionBlock:(void(^)(BOOL isAuthorization))block{
    NSInteger isAuthorization = 1;
    AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeAudio];
    switch (authStatus) {
        case AVAuthorizationStatusNotDetermined:
            //没有询问是否开启麦克风
            isAuthorization = 0;
            break;
        case AVAuthorizationStatusRestricted:
            //未授权，家长限制
            isAuthorization = -1;
            break;
        case AVAuthorizationStatusDenied:
            //用户未授权
            isAuthorization = -1;
            break;
        case AVAuthorizationStatusAuthorized:
            //用户授权
            break;
        default:
            break;
    }
    if (isAuthorization == 0) {
        [AVCaptureDevice requestAccessForMediaType:AVMediaTypeAudio completionHandler:^(BOOL granted) {
            dispatch_async(dispatch_get_main_queue(), ^{
                if (block) {
                    block(granted);
                }
            });
        }];
    }else{
        dispatch_async(dispatch_get_main_queue(), ^{
            if (block) {
                if (isAuthorization == 1) {
                    block(YES);
                }else{
                    block(NO);
                }
            }
        });
    }
    
}

通讯录权限判断

/// 通讯录权限判断
- (void)checkAddressBookAuthorization:(void (^)(bool isAuthorized))block{
    
    CNContactStore *addressBook = [[CNContactStore alloc]init];
    
    CNAuthorizationStatus authStatus = [CNContactStore authorizationStatusForEntityType:CNEntityTypeContacts];
    
    switch (authStatus) {
        case CNAuthorizationStatusAuthorized: //已授权
            block(YES);
            break;
        case CNAuthorizationStatusNotDetermined: //授权未知
        {
            [addressBook requestAccessForEntityType:CNEntityTypeContacts completionHandler:^(BOOL granted, NSError * _Nullable error) {
                
                dispatch_async(dispatch_get_main_queue(), ^{
                    
                    if (error){
                        
                        block(NO);
                        
                    }else if (!granted){
                        
                        block(NO);
                        
                    }else{
                        
                        block(YES);
                        
                    }
                });
            }];
        }
            break;
        default:
            block(NO);
            break;
    }
}