How to Test If "Allow Full Access" Permission Is Granted from Containing App

How to check in Swift if the user gave permission to access the photolibrary with UIImagePicker?

You can use the below method to check the permission status for the gallery.
and if the permission is denied then also it navigates you to the app setting screen.

func checkGalleryPermission()
{
    let authStatus = PHPhotoLibrary.authorizationStatus()
    switch authStatus
    {
        case .denied : print("denied status")
            let alert = UIAlertController(title: "Error", message: "Photo library status is denied", preferredStyle: .alert)
            let cancelaction = UIAlertAction(title: "Cancel", style: .default)
            let settingaction = UIAlertAction(title: "Setting", style: UIAlertAction.Style.default) { UIAlertAction in
                if let url = URL(string: UIApplication.openSettingsURLString) {
                    UIApplication.shared.open(url, options: [:], completionHandler: { _ in })
                }
            }
            alert.addAction(cancelaction)
            alert.addAction(settingaction)
            Viewcontoller.present(alert, animated: true, completion: nil)
            break
        case .authorized : print("success")
           //open gallery
            break
        case .restricted : print("user dont allowed")
            break
        case .notDetermined : PHPhotoLibrary.requestAuthorization({ (newStatus) in
                if (newStatus == PHAuthorizationStatus.authorized) {
                    print("permission granted")
                    //open gallery
                }
                else {
                    print("permission not granted")
                }
            })
            break
    case .limited:
       print("limited")
    @unknown default:
        break
    }
}

how to know whether the app currently has the 'All Files Access' permission or not. Android 11

declare this permission in your manifest.xml:

   <uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE" />

for asking MANAGE_EXTERNAL_STORAGE:

      try {
           Intent intent = new Intent(Settings.ACTION_MANAGE_APP_ALL_FILES_ACCESS_PERMISSION);
           intent.setData(Uri.parse(String.format("package:%s", getApplicationContext().getPackageName())));
           startActivityForResult(intent, 2296);
          
       } catch (Exception e) {

         Intent intent = new Intent();
         intent.setAction(Settings.ACTION_MANAGE_ALL_FILES_ACCESS_PERMISSION);
         startActivityForResult(intent, 2296);
       }

get your result in onActivityResult

   @Override
    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode == 2296) {
            if (SDK_INT >= Build.VERSION_CODES.R) {
                if (Environment.isExternalStorageManager()) {
                    // perform action when allow permission success
                   
                } else {
                    Toast.makeText(this, "Allow permission for storage access!", Toast.LENGTH_SHORT).show();
                }
            }
        }
    }

so, basically you can check permission is granted or not in Android11 like this;

if (SDK_INT >= Build.VERSION_CODES.R) {
   if (Environment.isExternalStorageManager()) {
      // Permission Granted
   }
}

How to check if Allow management of all files is allowed?

Environment.isExternalStorageManager().

How to properly check if user has enabled Allow Full Access to custom keyboard extension

this is what I use in my code in swift

var hasAccess: Bool {
    get{
        if #available(iOSApplicationExtension 11.0, *) {
            return self.hasFullAccess
        } else {
            return UIDevice.current.identifierForVendor != nil
        }
    }
}

How to check if permission is granted by user at runtime on Android?

Use onRequestPermissionResult, It handles the action if user press ALLOW and DENY, Just call the intent in the condition "if the user presses allow":

@Override
    public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        switch (requestCode) {
            case 123: {
                if (grantResults.length > 0
                        && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                   //If user presses allow
                   Toast.makeText(Main2Activity.this, "Permission granted!", Toast.LENGTH_SHORT).show();
                   Intent in = new Intent(Intent.ACTION_CALL, Uri.parse("tel:" + num.getText().toString()));
                startActivity(in);
                } else {
                   //If user presses deny
                   Toast.makeText(Main2Activity.this, "Permission denied", Toast.LENGTH_SHORT).show();
                }
                break;
            }
        }
    }

Hope this helps.

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