Java tutorial
//package com.java2s; /* * Copyright 2014-2015 ieclipse.cn. * * 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.content.Context; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.content.pm.PackageManager.NameNotFoundException; public class Main { /** * Get app version info. * * @param context * @return */ public static String getAppVersion(Context context) { PackageInfo packInfo = getPackageInfo(context); if (packInfo != null) { return packInfo.versionName; } return null; } public static PackageInfo getPackageInfo(Context context) { // Get packagemanager PackageManager packageManager = context.getPackageManager(); // 0 means get version info PackageInfo packInfo = null; try { packInfo = packageManager.getPackageInfo(context.getPackageName(), 0); } catch (NameNotFoundException e) { // mLogger.w("get version failed"); } return packInfo; } }