Java tutorial
//package com.java2s; //License from project: Apache License import android.content.Context; import android.content.pm.PackageManager; public class Main { public static Boolean isAppInstalled(Context context, String appName) { PackageManager pm = context.getPackageManager(); boolean installed; try { pm.getPackageInfo(appName, PackageManager.GET_ACTIVITIES); installed = true; } catch (PackageManager.NameNotFoundException e) { installed = false; } return installed; } }