1.info配置
<key>NSPhotoLibraryUsageDescription</key>
<string>App需要您的同意,才能訪問相冊</string>
<key>NSCameraUsageDescription</key>
<string>App需要您的同意,才能訪問相機</string>
2.檢測并引導
import<AVFoundation/AVCaptureDevice.h>
import <AVFoundation/AVMediaFormat.h>
import<AssetsLibrary/AssetsLibrary.h>
import<CoreLocation/CoreLocation.h>
//相機權限
AVAuthorizationStatus authStatus = [AVCaptureDeviceauthorizationStatusForMediaType:AVMediaTypeVideo];
if (authStatus ==AVAuthorizationStatusRestricted ||//此應用程序沒有被授權訪問的照片數據。可能是家長控制權限
authStatus ==AVAuthorizationStatusDenied) //用戶已經明確否認了這一照片數據的應用程序訪問
{
// 無權限 引導去開啟
NSURL *url = [NSURLURLWithString:UIApplicationOpenSettingsURLString];
if ([[UIApplicationsharedApplication]canOpenURL:url]) {
[[UIApplicationsharedApplication]openURL:url];
}
}
//相冊權限
ALAuthorizationStatus author = [ALAssetsLibraryauthorizationStatus];
if (author ==kCLAuthorizationStatusRestricted || author ==kCLAuthorizationStatusDenied){
//無權限 引導去開啟
NSURL *url = [NSURL URLWithString:UIApplicationOpenSettingsURLString];
if ([[UIApplication sharedApplication] canOpenURL:url]) {
[[UIApplication sharedApplication] openURL:url];
}
}
