iOS 各种权限判断及设置跳转

iOS8之后用一下方法跳转到设置界面

//手机系统版本号
#define SYSTEMVERSION [[[UIDevice currentDevice]systemVersion]floatValue]
//跳转到设置界面，让用户开启权限        
NSURL *url;        
if(SYSTEMVERSION >= 8.0)      
 {            
//iOS8 以后           
url = [NSURL URLWithString:UIApplicationOpenSettingsURLString];            if ([[UIApplication sharedApplication] canOpenURL:url])           
[[UIApplication sharedApplication] openURL:url];      
 }

补充资料：

在iOS应用程序中打开设备设置界面及其中某指定的选项界面

NSURL *url = [NSURL URLWithString:@“prefs:xxx"];
 if ([[UIApplication sharedApplication] canOpenURL:url])
 {     
    [[UIApplication sharedApplication] openURL:url]; 
 }

一些其他可用的参数:
隐私下常用字段

@"prefs:root=Privacy&path=CAMERA"
,
//设置相机使用权限
@"prefs:root=Privacy&path=PHOTOS"
//设置照片使用权限

打开一级界面可将上面的字符串修改为以下对应的字段:

@"prefs:root=WIFI"
,//打开WiFi

@"prefs:root=Bluetooth"
,//打开蓝牙设置页

@"prefs:root=NOTIFICATIONS_ID"
,//通知设置

@"prefs:root=General"
,//通用
@"prefs:root=DISPLAY&BRIGHTNESS",//显示与亮度
@"prefs:root=Wallpaper",//墙纸
@"prefs:root=Sounds",//声音
@"prefs:root=Privacy",//隐私
@"prefs:root=STORE",//存储
@"prefs:root=NOTES",//备忘录
@"prefs:root=SAFARI",//Safari
@"prefs:root=MUSIC",//音乐
@"prefs:root=Photos",//照片与相机
@"prefs:root=CASTLE"//iCloud
@"prefs:root=FACETIME",//FaceTime
@"prefs:root=LOCATION_SERVICES",//定位服务
@"prefs:root=Phone",//电话
@"prefs:root=AIRPLANE_MODE"//飞行模式 
@"prefs:root=General&path=Network"//网络
@"prefs:root=VIDEO"//视频

 prefs:root=CASTLE&path=STORAGE_AND_BACKUP// 
prefs:root=General&path=INTERNATIONAL//
prefs:root=ACCOUNT_SETTINGS// 
prefs:root=MUSIC&path=EQ// 
prefs:root=MUSIC&path=VolumeLimit// 
prefs:root=NIKE_PLUS_IPOD// 
prefs:root=General&path=ManagedConfigurationList// 
prefs:root=General&path=Reset// 
prefs:root=Sounds&path=Ringtone// 
prefs:root=General&path=Assistant// 
prefs:root=General&path=SOFTWARE_UPDATE_LINK// 
prefs:root=TWITTER// prefs:root=General&path=USAGE// 
prefs:root=General&path=Network/VPN//
prefs:root=INTERNET_TETHERING//

通用下常用字段

@"prefs:root=General&path=About",//关于本机 
@"prefs:root=General&path=SOFTWARE_UPDATE_LINK",//软件更新 
@"prefs:root=General&path=DATE_AND_TIME",//日期和时间
@"prefs:root=General&path=ACCESSIBILITY",//辅助功能
@"prefs:root=General&path=Keyboard",//键盘 
@"prefs:root=General&path=VPN",//VPN设置 
@"prefs:root=General&path=AUTOLOCK",//自动锁屏
@"prefs:root=General&path=INTERNATIONAL",//语言与地区 
@"prefs:root=General&path=ManagedConfigurationList",//描述文件
prefs:root=General&path=ACCESSIBILITY//重力感应  
prefs:root=General&path=USAGE/CELLULAR_USAGE//用量 

.m 方发声明

#import <Foundation/Foundation.h>

typedef enum : NSUInteger {   
 systemAuthorityCamera,   
 systemAuthorityPhotoLibrary,  
 systemAuthorityNotifacation,   
 systemAuthorityNetwork,  
 systemAuthorityAudio,   
 systemAuthorityLocation,   
 systemAuthorityAddressBook,  
 systemAuthorityCalendar,    
systemAuthorityReminder,} systemAuthorityType;

@interface SystemAuthority : NSObject
/**
相机权限开关
@return YES／NO
*/
- (BOOL)CameraAuthority;
/**
相册权限开关
@return YES／NO
*/
- (BOOL)PhotoLibraryAuthority;
/**
推送权限开关
@return YES/NO
*/
- (BOOL)notificationAuthority;
/**
连网权限开关
@return YES/NO
*/
- (BOOL)netWorkAuthority;
/**
麦克风权限开关
@return YES/NO
*/
- (BOOL)audioAuthority;
/**
定位权限开关
@return YES/NO
*/
- (BOOL)locationAuthority;
/**
通讯录权限开关
@return YES/NO
*/
- (BOOL)addressBookAuthority;
/**
日历权限开关
@return YES/NO
*/
- (BOOL)calendarAuthority;
/**
备忘录权限开关
@return YES/NO
*/
- (BOOL)reminderAuthority;
@end

.h 方法实现

#import "SystemAuthority.h"
#import <AVFoundation/AVFoundation.h>
#import <Photos/Photos.h>
#import <AssetsLibrary/AssetsLibrary.h>
@import CoreTelephony;
#import <UserNotifications/UserNotifications.h>
#import <CoreLocation/CoreLocation.h>
#import <AddressBook/AddressBook.h>
#import <Contacts/Contacts.h>
#import <EventKit/EventKit.h>

//手机系统版本号
#define SYSTEMVERSION [[[UIDevice currentDevice]systemVersion]floatValue]


@implementation SystemAuthority

- (BOOL)CameraAuthority
{
    AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];
    if (authStatus == AVAuthorizationStatusDenied || authStatus == AVAuthorizationStatusRestricted) {
        [self showAlertWithType:systemAuthorityCamera];
        return NO;
    }
    return YES;
}


- (BOOL)PhotoLibraryAuthority
{
    if (SYSTEMVERSION >= 8.0) {
        PHAuthorizationStatus authStatus = [PHPhotoLibrary authorizationStatus];
        if(authStatus == PHAuthorizationStatusDenied || authStatus == PHAuthorizationStatusRestricted) {
            // 未授权
            [self showAlertWithType:systemAuthorityPhotoLibrary];
            return NO;
        }
    }
    else if (SYSTEMVERSION >= 6.0 && SYSTEMVERSION < 8.0)
    {
        ALAuthorizationStatus authStatus = [ALAssetsLibrary authorizationStatus];
        if(authStatus == ALAuthorizationStatusDenied || authStatus == ALAuthorizationStatusRestricted) {
            // 未授权
            [self showAlertWithType:systemAuthorityPhotoLibrary];
            return NO;
        }
    }
    return YES;
}

- (BOOL)notificationAuthority
{
    if (SYSTEMVERSION>=8.0f)
    {
        UIUserNotificationSettings *setting = [[UIApplication sharedApplication] currentUserNotificationSettings];
        if (UIUserNotificationTypeNone == setting.types)
        {
            [self showAlertWithType:systemAuthorityNotifacation];
            return NO;
        }
        
    }
    else
    {
        UIRemoteNotificationType type = [[UIApplication sharedApplication] enabledRemoteNotificationTypes];
        if(UIRemoteNotificationTypeNone == type){
            [self showAlertWithType:systemAuthorityNotifacation];
            return NO;
        }
    }
    return YES;
}

- (BOOL)netWorkAuthority
{
    CTCellularData *cellularData = [[CTCellularData alloc]init];
    CTCellularDataRestrictedState state = cellularData.restrictedState;
    if (state == kCTCellularDataRestricted) {
        [self showAlertWithType:systemAuthorityNetwork];
        return NO;
    }
    return YES;
}

- (BOOL)audioAuthority
{
    AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeAudio];
    if (authStatus == AVAuthorizationStatusDenied || authStatus == AVAuthorizationStatusRestricted) {
        [self showAlertWithType:systemAuthorityAudio];
        return NO;
    }
    return YES;
}

- (BOOL)locationAuthority
{
    BOOL isLocation = [CLLocationManager locationServicesEnabled];
    if (!isLocation) {
        CLAuthorizationStatus CLstatus = [CLLocationManager authorizationStatus];
        if (CLstatus == kCLAuthorizationStatusDenied || CLstatus == kCLAuthorizationStatusDenied) {
            [self showAlertWithType:systemAuthorityLocation];
            return NO;
        }
    }
    return YES;
}

- (BOOL)addressBookAuthority
{
    if (SYSTEMVERSION >= 9.0) {
        CNAuthorizationStatus status = [CNContactStore authorizationStatusForEntityType:CNEntityTypeContacts];
        if (status == CNAuthorizationStatusDenied || status == CNAuthorizationStatusRestricted)
        {
            [self showAlertWithType:systemAuthorityAddressBook];
            return NO;
            
        }
    }
    else
    {
        ABAuthorizationStatus ABstatus = ABAddressBookGetAuthorizationStatus();
        if (ABstatus == kABAuthorizationStatusDenied || ABstatus == kABAuthorizationStatusRestricted)
        {
            [self showAlertWithType:systemAuthorityAddressBook];
            return NO;
        }
    }
    return YES;
}

- (BOOL)calendarAuthority
{
    EKAuthorizationStatus EKstatus = [EKEventStore authorizationStatusForEntityType:EKEntityTypeEvent];
    if (EKstatus == EKAuthorizationStatusDenied || EKstatus == EKAuthorizationStatusRestricted)
    {
        [self showAlertWithType:systemAuthorityCalendar];
        return NO;
    }
    return YES;
}

- (BOOL)reminderAuthority
{
    EKAuthorizationStatus EKstatus = [EKEventStore authorizationStatusForEntityType:EKEntityTypeReminder];
    if (EKstatus == EKAuthorizationStatusDenied || EKstatus == EKAuthorizationStatusRestricted)
    {
        [self showAlertWithType:systemAuthorityReminder];
        return NO;
    }
    return YES;
}

- (void)showAlertWithType:(systemAuthorityType)type
{
    NSString *title;
    NSString *msg;
    switch (type) {
        case systemAuthorityCamera:
            title = @"未获得授权使用相机";
            msg = @"请在设备的 设置-隐私-相机 中打开。";
            break;
        case systemAuthorityPhotoLibrary:
            title = @"未获得授权使用相册";
            msg = @"请在设备的 设置-隐私-照片 中打开。";
            break;
        case systemAuthorityNotifacation:
            title = @"未获得授权使用推送";
            msg = @"请在设备的 设置-隐私-推送 中打开。";
            break;
        case systemAuthorityNetwork:
            title = @"未获得授权使用网络";
            msg = @"请在设备的 设置-隐私-网络 中打开。";
            break;
        case systemAuthorityAudio:
            title = @"未获得授权使用麦克风";
            msg = @"请在设备的 设置-隐私-麦克风 中打开。";
            break;
        case systemAuthorityLocation:
            title = @"未获得授权使用定位";
            msg = @"请在设备的 设置-隐私-定位 中打开。";
            break;
        case systemAuthorityAddressBook:
            title = @"未获得授权使用通讯录";
            msg = @"请在设备的 设置-隐私-通讯录 中打开。";
            break;
        case systemAuthorityCalendar:
            title = @"未获得授权使用日历";
            msg = @"请在设备的 设置-隐私-日历 中打开。";
            break;
        case systemAuthorityReminder:
            title = @"未获得授权使用备忘录";
            msg = @"请在设备的 设置-隐私-备忘录 中打开。";
            break;
        default:
            break;
    }
    UIAlertView *alertView = [[UIAlertView alloc]initWithTitle:title message:msg delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"立即前往", nil];
    alertView.delegate = self;
    [alertView show];
    alertView.tag = type;
}

#pragma mark -- AlertView Delegate
- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
{
    if (buttonIndex == 1)
    {
        //跳转到设置界面，让用户开启权限
        NSURL *url;
        if(SYSTEMVERSION >= 8.0)
        {
            //iOS8 以后
            url = [NSURL URLWithString:UIApplicationOpenSettingsURLString];
            if ([[UIApplication sharedApplication] canOpenURL:url])
            [[UIApplication sharedApplication] openURL:url];
        }
        else
        {
            //iOS8 之前
            //以下方法暂未测试
            switch (alertView.tag) {
                case systemAuthorityCamera:
                    url = [NSURL URLWithString:@"prefs:root=Privacy&path=CAMERA"];
                    break;
                case systemAuthorityPhotoLibrary:
                    url = [NSURL URLWithString:@"prefs:root=Privacy&path=PHOTOS"];
                    break;
                case systemAuthorityNetwork:
                    url = [NSURL URLWithString:@"prefs:root=General&path=Network"];
                    break;
                case systemAuthorityAudio:
                    url = [NSURL URLWithString:@"prefs:root=Privacy&path=Audio"];
                    break;
                case systemAuthorityLocation:
                    url = [NSURL URLWithString:@"prefs:root=LOCATION_SERVICES"];
                    break;
                case systemAuthorityAddressBook:
                    url = [NSURL URLWithString:@"prefs:root=Privacy&path=AddressBook"];
                    break;
                case systemAuthorityCalendar:
                    url = [NSURL URLWithString:@"prefs:root=Privacy&path=Calendar"];
                    break;
                case systemAuthorityReminder:
                    url = [NSURL URLWithString:@"prefs:root=Privacy&path=NOTES"];
                    break;
                
                default:
                    break;
            }
            if ([[UIApplication sharedApplication] canOpenURL:url])
            {
                [[UIApplication sharedApplication] openURL:url];
            }
        }
    }
}
@end