iOS Kingdom — 权限手动请求

iOS Kingdom — 权限手动请求_第1张图片
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从 iOS10 开始,权限请求开始变成了开发者的又一道门槛,很多开发者在不申请权限的情况下调用 API,这会使 APP 彻底 Crash。接下来,我将附上一部分的权限手动请求代码,帮你快速申请权限。

1、相机权限

#import 
[AVCaptureDevice requestAccessForMediaType:AVMediaTypeVideo
                             completionHandler:^(BOOL granted) {
                                 NSError *error;
                                 if (granted) {
//                                     WQLogMes(@"开启成功");
                                 }else {
//                                     WQLogErr(@"开启失败");
                                 }
                             }];

2、位置权限

位置权限请求有点特殊,如果你的 CLLocationManager 对象是在方法内的局部变量,这时你调用权限申请时,会出现权限请求提示框一闪而逝。而解决这个 Bug 的方法就是将局部变量改成全局变量。

2.1 始终定位

在 info.plist 中须加入 NSLocationAlwaysUsageDescription
#import 
// self.manager 是一个 CLLocationManager 的全局属性
if (!self.manager) {
        self.manager = [[CLLocationManager alloc] init];
        self.manager.delegate = self;
    }
    [self.manager requestAlwaysAuthorization];

2.2 使用期间定位

在 info.plist 中须加入 NSLocationWhenInUseUsageDescription
#import 
// self.manager 是一个 CLLocationManager 的全局属性
if (!self.manager) {
        self.manager = [[CLLocationManager alloc] init];
        self.manager.delegate = self;
    }
    [self.manager requestWhenInUseAuthorization];
指定 CLLocationManager 对象的 CLLocationManagerDelegate 代理,当发生授权变更,将会调用 - (void)locationManager:(CLLocationManager *)manager didChangeAuthorizationStatus:(CLAuthorizationStatus)status 方法。

3、日历权限

#import 
EKEventStore *store = [[EKEventStore alloc] init];
    [store requestAccessToEntityType:EKEntityTypeEvent
                          completion:^(BOOL granted,
                                       NSError * _Nullable error) {
                              if (error) {
//                                  WQLogErr(@"error: %@",error);
                              }else {
                                  if (granted) {
//                                      WQLogMes(@"请求成功");
                                  }else {
//                                      WQLogErr(@"请求失败");
                                  }
                              }
                          }];

4、提醒事项

#import 
EKEventStore *store = [[EKEventStore alloc] init];
    [store requestAccessToEntityType:EKEntityTypeReminder
                          completion:^(BOOL granted,
                                       NSError * _Nullable error) {
                              if (error) {
//                                  WQLogErr(@"error: %@",error);
                              }else {
                                  if (granted) {
//                                      WQLogMes(@"请求成功");
                                  }else {
//                                      WQLogErr(@"请求失败");
                                  }
                              }
                          }];

5、相册

#import 
    if ([[UIDevice currentDevice].systemVersion floatValue] > 8.0) {
        [PHPhotoLibrary requestAuthorization:^(PHAuthorizationStatus status) {
            if (status == PHAuthorizationStatusAuthorized) {
//                WQLogMes(@"授权成功");
            }else {
//                WQLogErr(@"授权失败");
            }
        }];
    }

6、通知

    UIUserNotificationSettings *setting = [UIUserNotificationSettings settingsForTypes:
                                           UIUserNotificationTypeSound |
                                           UIUserNotificationTypeAlert |
                                           UIUserNotificationTypeBadge
                                                                            categories:nil];
    [[UIApplication sharedApplication] registerUserNotificationSettings:setting];

7、麦克风

#import 
AVAudioSession *session = [AVAudioSession sharedInstance];
    [session requestRecordPermission:^(BOOL granted) {
        if (granted) {
//            WQLogMes(@"请求成功");
        }else {
//            WQLogErr(@"请求失败");
        }
    }];

8、健康(Health)

if (![HKHealthStore isHealthDataAvailable]) {
//        WQLogErr(@"不支持 Health");
        return;
    }
    HKHealthStore *healthStore = [[HKHealthStore alloc] init];
    // Share body mass, height and body mass index
    NSSet *shareObjectTypes = [NSSet setWithObjects:
                               [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierBodyMass],
                               [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierHeight],
                               [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierBodyMassIndex],
                               nil];
    // Read date of birth, biological sex and step count
    NSSet *readObjectTypes  = [NSSet setWithObjects:
                               [HKObjectType characteristicTypeForIdentifier:HKCharacteristicTypeIdentifierDateOfBirth],
                               [HKObjectType characteristicTypeForIdentifier:HKCharacteristicTypeIdentifierBiologicalSex],
                               [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierStepCount],
                               nil];
    [healthStore requestAuthorizationToShareTypes:shareObjectTypes
                                        readTypes:readObjectTypes
                                       completion:^(BOOL success,
                                                    NSError *error) {
                                           if (error) {
//                                               WQLogErr(@"error: %@",error);
                                           }else {
                                               if(success == YES){
//                                                   WQLogMes(@"请求成功");
                                               }
                                               else{
//                                                   WQLogErr(@"请求失败");
                                               }
                                           }
                                       }];

9、通讯录

    if ([[[UIDevice currentDevice] systemVersion] floatValue] > 9.0) {
        CNContactStore *store = [[CNContactStore alloc] init];
        [store requestAccessForEntityType:CNEntityTypeContacts
                        completionHandler:^(BOOL granted,
                                            NSError * _Nullable error) {
                            if (error) {
//                                WQLogErr(@"error: %@",error);
                            }else {
                                if (granted) {
//                                    WQLogMes(@"请求成功");
                                }else {
//                                    WQLogErr(@"请求失败");
                                }
                            }
                        }];
    }else {
        ABAddressBookRef addressBook = ABAddressBookCreate();
        ABAddressBookRequestAccessWithCompletion(addressBook,
                                                 ^(bool granted,
                                                   CFErrorRef error) {
                                                     if (error) {
//                                                         WQLogErr(@"error: %@",error);
                                                     }else {
                                                         if (granted) {
//                                                             WQLogMes(@"请求成功");
                                                         }else {
//                                                             WQLogErr(@"请求失败");
                                                         }
                                                     }
                                                 });
    }
GitHub 示例: https://github.com/AppleDP/WQPermissionRequest
权限判定: http://www.jianshu.com/p/4d72b82301e1

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