Java tutorial
//package com.java2s; /* * Copyright 2014 Yuriy Yunikov * * 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.PackageManager; import android.support.annotation.Nullable; public class Main { /** * Gets the application version. * * @param context application context * @return application version */ @Nullable public static String getAppVersion(final Context context) { try { return context.getPackageManager().getPackageInfo(context.getPackageName(), 0).versionName; } catch (final PackageManager.NameNotFoundException e) { return null; } } }