Files
lineageos_updater/src/org/lineageos/updater/misc/PermissionsUtils.java
2017-07-20 00:45:34 +02:00

70 lines
2.5 KiB
Java

/*
* Copyright (C) 2017 The LineageOS 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.
*/
package org.lineageos.updater.misc;
import android.Manifest;
import android.app.Activity;
import android.content.Context;
import android.content.pm.PackageManager;
import java.util.ArrayList;
import java.util.List;
public class PermissionsUtils {
public static boolean hasPermission(Context context, String permission) {
int permissionState = context.checkSelfPermission(permission);
return permissionState == PackageManager.PERMISSION_GRANTED;
}
/**
* Check the given permissions and requests them if needed.
*
* @param activity The target activity
* @param permissions The permissions to check
* @param requestCode @see Activity#requestPermissions(String[] , int)
* @return true if the permission is granted, false otherwise
*/
public static boolean checkAndRequestPermissions(final Activity activity,
final String[] permissions, final int requestCode) {
List<String> permissionsList = new ArrayList<>();
for (String permission : permissions) {
if (!hasPermission(activity, permission)) {
permissionsList.add(permission);
}
}
if (permissionsList.size() == 0) {
return true;
} else {
String[] permissionsArray = new String[permissionsList.size()];
permissionsArray = permissionsList.toArray(permissionsArray);
activity.requestPermissions(permissionsArray, requestCode);
return false;
}
}
/**
* Check and request the write external storage permission
*
* @see #checkAndRequestPermissions(Activity, String[], int)
*/
public static boolean checkAndRequestStoragePermission(Activity activity, int requestCode) {
return checkAndRequestPermissions(activity,
new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
requestCode);
}
}