Java tutorial
//package com.java2s; //License from project: Apache License import android.content.Context; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.content.pm.PackageManager.NameNotFoundException; public class Main { public static Boolean isInstalled(Context context, String appPackageName) { PackageManager pm = context.getPackageManager(); PackageInfo pInfo = null; try { pInfo = pm.getPackageInfo(appPackageName, 0); } catch (NameNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } if (pInfo != null) { return true; } return false; } }