iOS 关于手机权限的检查与获取

手机通讯录权限:

/**
 *  检测权限并作响应的操作
 */
- (void)checkAuthorizationStatus:(UISwitch *)sender {
    
    switch (ABAddressBookGetAuthorizationStatus()) {
            
        case kABAuthorizationStatusAuthorized: //存在权限
            //获取通讯录
            self.phonesAry = [self obtainContacts:self.addressBook];
            if (_setAddBookBlock) {
                _setAddBookBlock(sender.isOn ? 0 : 1, _phonesAry);
            }
            break;
            
        case kABAuthorizationStatusNotDetermined: //权限未知
            //请求权限
            [self requestAuthorizationStatus:sender];
            break;
            
        case kABAuthorizationStatusDenied: //如果没有权限  需要提示
        case kABAuthorizationStatusRestricted:
            //弹窗提醒
        {
            
            NSString *appName = kApp_Display_Name;
            
            UIAlertView *alertview = [[UIAlertView alloc]initWithTitle:[NSString stringWithFormat:@"%@没有获取手机通讯录的权限",appName] message:[NSString stringWithFormat:@"请在“[设置]-[隐私]-[通讯录]”里允许%@使用",appName] delegate:self cancelButtonTitle:@"确定" otherButtonTitles:nil, nil];
            
            [alertview show];
            
            //重置开关
            dispatch_async(dispatch_get_main_queue(), ^{
                
                [sender setOn:NO];
                
                
            });
            
        }
            break;
            
        default:
            break;
    }
}
/**
 *  请求通讯录的权限
 */
- (void)requestAuthorizationStatus:(UISwitch *)sender {
    
    WeakSelf(self);
    
    ABAddressBookRequestAccessWithCompletion(self.addressBook, ^(bool granted, CFErrorRef error) {
        
        //权限得到允许
        if (granted == true) {

            dispatch_async(dispatch_get_main_queue(), ^{
                
                [sender setOn:YES];
                weakSelf.phonesAry = [weakSelf obtainContacts:weakSelf.addressBook];
                if (weakSelf.setAddBookBlock) {
                    weakSelf.setAddBookBlock(sender.isOn ? 0 : 1, weakSelf.phonesAry);
                }
                
            });
            
        } else {

//不允许
            dispatch_async(dispatch_get_main_queue(), ^{
                
                [sender setOn:NO];
                
            });
            
        }
        
        
        
    });
}

/**
 *  获取通讯录中的联系人
 */
- (NSMutableArray *)obtainContacts:(ABAddressBookRef)addressBook {
    
    //按照添加时间请求所有的联系人
    CFArrayRef contants = ABAddressBookCopyArrayOfAllPeople(addressBook);
    
    //存放所有联系人电话号码的数组
    NSMutableArray *allNumArray = [NSMutableArray arrayWithCapacity:0];
    
    //遍历获取所有的数据
    for (NSInteger i = 0; i < CFArrayGetCount(contants); i++) {
        //获得People对象
        ABRecordRef recordRef = CFArrayGetValueAtIndex(contants, i);
        
        NSArray *contact = [self contactPhonePropertyWithRecordRef:recordRef];
        
        //添加对象
        [allNumArray addObjectsFromArray:contact];
    }
    
    //释放资源
    CFRelease(contants);
    
    return allNumArray;
    
}

//获取单个联系人的电话号码数组
- (NSArray *)contactPhonePropertyWithRecordRef:(ABRecordRef)recordRef {
    //外传数组
    NSMutableArray *phones = [NSMutableArray arrayWithCapacity:0];
    
    //获得电话号码的多值对象
    ABMultiValueRef values = ABRecordCopyValue(recordRef, kABPersonPhoneProperty);
    
    for (NSInteger i = 0; i < ABMultiValueGetCount(values); i++) {
        
        //电话号码
        NSString *phoneNumber = (__bridge NSString *)ABMultiValueCopyValueAtIndex(values, i);
        
        //添加数据
        [phones addObject:phoneNumber];
        
    }
    
    //释放资源
    CFRelease(values);
    
    return [NSArray arrayWithArray:phones];
}

相机权限:
//检查相机权限
- (void)checkVideoStatus {
    
    AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];
    switch (authStatus) {
        case AVAuthorizationStatusNotDetermined:
            //没有询问是否开启相机
            
            break;
        case AVAuthorizationStatusRestricted:
            //未授权，家长限制
            
            break;
        case AVAuthorizationStatusDenied:
            //未授权
            
            break;
        case AVAuthorizationStatusAuthorized:
            //玩家授权
            
            break;
        default:
            break;
    }
}

//授权相机
- (void)videoAuthAction {
    [AVCaptureDevice requestAccessForMediaType:AVMediaTypeVideo completionHandler:^(BOOL granted) {
        if (granted) {
            //相机准许
            
        } else {
            //相机不准许
            
        }
    }];
}

麦克风权限:

//检查麦克风权限
- (void)checkAudioStatus {
    AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeAudio];
    switch (authStatus) {
        case AVAuthorizationStatusNotDetermined:
            //没有询问是否开启麦克风
            
            break;
        case AVAuthorizationStatusRestricted:
            //未授权，家长限制
            
            break;
        case AVAuthorizationStatusDenied:
            //玩家未授权
            
            break;
        case AVAuthorizationStatusAuthorized:
            //玩家授权
            
            break;
        default:
            break;
    }
}

//授权麦克风
- (void)audioAuthAction {
    
    [AVCaptureDevice requestAccessForMediaType:AVMediaTypeAudio completionHandler:^(BOOL granted) {
        
        if (granted) {
            //麦克风准许
            
        } else {
            //麦克风不准许
            
        }
    }];
}

照片权限:

}

定位权限: