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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
import android.app.Activity;
import android.content.Context;
import android.content.pm.PackageManager;
import android.os.Build;
import androidx.annotation.NonNull;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;
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import java.util.ArrayList;
import java.util.List;
/**
* Utility class for permissions.
*/
public class PermissionsUtil {
/**
* Returns the list of permissions not granted from the given list of permissions.
* @param context Context
* @param permissions list of permissions to check.
* @return the list of permissions that do not have permission to use.
*/
public static List<String> getDeniedPermissions(Context context,
String... permissions) {
final List<String> deniedPermissions = new ArrayList<>();
for (String permission : permissions) {
if (ContextCompat.checkSelfPermission(context, permission)
!= PackageManager.PERMISSION_GRANTED) {
deniedPermissions.add(permission);
}
}
return deniedPermissions;
}
/**
* Uses the given activity and requests the user for permissions.
* @param activity activity to use.
* @param requestCode request code/id to use.
* @param permissions String array of permissions that needs to be requested.
*/
public static void requestPermissions(Activity activity, int requestCode,
String[] permissions) {
ActivityCompat.requestPermissions(activity, permissions, requestCode);
}
/**
* Checks if all the permissions are granted.
*/
public static boolean allGranted(@NonNull int[] grantResults) {
for (int result : grantResults) {
if (result != PackageManager.PERMISSION_GRANTED) {
return false;
}
}
return true;
}
/**
* Queries if al the permissions are granted for the given permission strings.
*/
public static boolean checkAllPermissionsGranted(Context context, String... permissions) {
if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.LOLLIPOP_MR1) {
// For all pre-M devices, we should have all the premissions granted on install.
return true;
}
for (String permission : permissions) {
if (ContextCompat.checkSelfPermission(context, permission)
!= PackageManager.PERMISSION_GRANTED) {
return false;
}
}
return true;
}
}