62 lines
2.5 KiB
Java
62 lines
2.5 KiB
Java
/*
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* Copyright 2015 Hippo Seven
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.hippo.util;
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import android.app.Activity;
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import android.content.DialogInterface;
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import android.content.pm.PackageManager;
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import android.support.v4.app.ActivityCompat;
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import android.support.v7.app.AlertDialog;
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public class PermissionRequester {
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/**
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* @return true for there no need to request, do your work it now.
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* false for do in {@link android.support.v4.app.ActivityCompat.OnRequestPermissionsResultCallback#onRequestPermissionsResult(int, String[], int[])}
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*/
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public static boolean request(final Activity activity, final String permission, String rationale, final int requestCode) {
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if (!(activity instanceof ActivityCompat.OnRequestPermissionsResultCallback)) {
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throw new IllegalStateException("The Activity must implement ActivityCompat.OnRequestPermissionsResultCallback");
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}
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if (ActivityCompat.checkSelfPermission(activity, permission)
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== PackageManager.PERMISSION_GRANTED) {
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return true;
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}
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if (ActivityCompat.shouldShowRequestPermissionRationale(activity, permission)) {
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new AlertDialog.Builder(activity)
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.setMessage(rationale)
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.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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ActivityCompat.requestPermissions(activity,
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new String[]{permission},
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requestCode);
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}
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}).setNegativeButton(android.R.string.cancel, null)
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.show();
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} else {
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ActivityCompat.requestPermissions(activity,
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new String[]{permission},
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requestCode);
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}
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return false;
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}
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}
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