Bunny

在 iOS 中屎媳，權(quán)限申請?zhí)崾究蛑粫谟脩舭惭b軟件后第一次申請時才會提示出來绳姨，如果用戶到"設(shè)置->隱私->權(quán)限"處關(guān)閉了權(quán)限佃牛，此時荣堰，當(dāng)你 APP 須要某權(quán)限時床未，系統(tǒng)將不會再次提示。當(dāng)我們從用戶角度出發(fā)去看待這個 APP 時振坚，這樣的 APP 很不人性化薇搁。為了提高軟件的人性化，我們可以這樣做渡八，判斷用戶之前是否申請過此類權(quán)限啃洋，如果沒有申請，則不讓用戶進(jìn)行下一步操作屎鳍。

以相機授權(quán)狀態(tài)為例宏娄，以下各授權(quán)狀態(tài)類似

// 授權(quán)狀態(tài)
 AVAuthorizationStatusNotDetermined: 第一次請求權(quán)限
 AVAuthorizationStatusRestricted: 受家長模式控制
 AVAuthorizationStatusDenied: 拒絕權(quán)限授權(quán)
 AVAuthorizationStatusAuthorized: 已授權(quán)

1、相機

#import <AVFoundation/AVFoundation.h>
AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];
    switch (authStatus) {
        case AVAuthorizationStatusNotDetermined:
        case AVAuthorizationStatusRestricted:
        case AVAuthorizationStatusDenied: 
        case AVAuthorizationStatusAuthorized: 
    }

2哥艇、定位

#import <CoreLocation/CoreLocation.h>
CLAuthorizationStatus authStatus = [CLLocationManager authorizationStatus];
    switch (authStatus) {
        case kCLAuthorizationStatusNotDetermined: 
        case kCLAuthorizationStatusRestricted:
        case kCLAuthorizationStatusDenied: 
        case kCLAuthorizationStatusAuthorizedAlways:
        case kCLAuthorizationStatusAuthorizedWhenInUse:
    }

3绝编、日歷

EKAuthorizationStatus authStatus = [EKEventStore authorizationStatusForEntityType:EKEntityTypeEvent];
    switch (authStatus) {
        case EKAuthorizationStatusNotDetermined:
        case EKAuthorizationStatusRestricted:
        case EKAuthorizationStatusDenied:
        case EKAuthorizationStatusAuthorized:
    }

4僻澎、提醒事項

EKAuthorizationStatus authStatus = [EKEventStore authorizationStatusForEntityType:EKEntityTypeReminder];
    switch (authStatus) {
        case EKAuthorizationStatusNotDetermined: 
        case EKAuthorizationStatusRestricted:
        case EKAuthorizationStatusDenied: 
        case EKAuthorizationStatusAuthorized:
    }

5貌踏、相冊

if ([[[UIDevice currentDevice] systemVersion] floatValue] < 8.0) {
        ALAuthorizationStatus authStatus =[ALAssetsLibrary authorizationStatus];
        switch (authStatus) {
            case ALAuthorizationStatusNotDetermined: 
            case ALAuthorizationStatusRestricted:
            case ALAuthorizationStatusDenied: 
            case ALAuthorizationStatusAuthorized: 
        }
    } else {
        PHAuthorizationStatus authStatus = [PHPhotoLibrary authorizationStatus];
        switch (authStatus) {
            case PHAuthorizationStatusNotDetermined:
            case PHAuthorizationStatusRestricted:
            case PHAuthorizationStatusDenied: 
            case PHAuthorizationStatusAuthorized: 
        }
    }

6、通知

UIUserNotificationType type = [[UIApplication sharedApplication] currentUserNotificationSettings].types;
    switch (type) {
        case UIUserNotificationTypeNone: {
                 // 沒有授權(quán)
        }
        case UIUserNotificationTypeBadge:
        case UIUserNotificationTypeSound:
        case UIUserNotificationTypeAlert: 
    }

7窟勃、麥克風(fēng)

AVAudioSessionRecordPermission authStatus = [[AVAudioSession sharedInstance] recordPermission];
    switch (authStatus) {
        case AVAudioSessionRecordPermissionUndetermined: {
               // 第一次授權(quán)
        }
        case AVAudioSessionRecordPermissionDenied: 
        case AVAudioSessionRecordPermissionGranted: {
               // 授權(quán)成功
        }
    }

8祖乳、健康（Health）

HKHealthStore *healthStore = [[HKHealthStore alloc] init];
    HKObjectType *hkObjectType = [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierHeight];
    HKAuthorizationStatus authStatus = [healthStore authorizationStatusForType:hkObjectType];
    switch (authStatus) {
        case HKAuthorizationStatusNotDetermined: 
        case HKAuthorizationStatusSharingDenied: 
        case HKAuthorizationStatusSharingAuthorized:
    }

9、通訊錄

if ([[[UIDevice currentDevice] systemVersion] floatValue] > 9.0) {
        CNAuthorizationStatus authStatus = [CNContactStore authorizationStatusForEntityType:CNEntityTypeContacts];
        switch (authStatus) {
            case CNAuthorizationStatusNotDetermined: 
            case CNAuthorizationStatusRestricted:
            case CNAuthorizationStatusDenied: 
            case CNAuthorizationStatusAuthorized: 
        }
    }else {
        ABAuthorizationStatus authStatus = ABAddressBookGetAuthorizationStatus();
        switch (authStatus) {
            case kABAuthorizationStatusNotDetermined: 
            case kABAuthorizationStatusRestricted:
            case kABAuthorizationStatusDenied: 
            case kABAuthorizationStatusAuthorized:
        }
    }

10秉氧、網(wǎng)絡(luò)

CTCellularData *cellularData = [[CTCellularData alloc] init];
        CTCellularDataRestrictedState authStatus = cellularData.restrictedState;
        switch (authStatus) {
            case kCTCellularDataRestrictedStateUnknown: 
            // 第一次請求
            case kCTCellularDataRestricted: 
            // 權(quán)限被禁止
            case kCTCellularDataNotRestricted:
            // 權(quán)限已授權(quán)
        }

GitHub 示例: https://github.com/AppleDP/WQPermissionRequest

權(quán)限手動請求: http://www.reibang.com/p/4ffdd86bd93c