Android工具类--App相关的辅助类

<span style="font-size:18px;">此工具类是用来获取应用程序的名称和应用程序的版本信息</span>

package com.duanlian;import android.content.Context;import android.content.pm.PackageInfo;import android.content.pm.PackageManager;import android.content.pm.PackageManager.NameNotFoundException;/*** 跟App相关的辅助类*/public class AppUtils{private AppUtils(){/* cannot be instantiated */throw new UnsupportedOperationException("cannot be instantiated");}/*** 获取应用程序名称*/public static String getAppName(Context context){try{PackageManager packageManager = context.getPackageManager();PackageInfo packageInfo = packageManager.getPackageInfo(context.getPackageName(), 0);int labelRes = packageInfo.applicationInfo.labelRes;return context.getResources().getString(labelRes);} catch (NameNotFoundException e){e.printStackTrace();}return null;}/*** [获取应用程序版本名称信息]** @param context* @return 当前应用的版本名称*/public static String getVersionName(Context context){try{PackageManager packageManager = context.getPackageManager();PackageInfo packageInfo = packageManager.getPackageInfo(context.getPackageName(), 0);return packageInfo.versionName;} catch (NameNotFoundException e){e.printStackTrace();}return null;}}