Java tutorial
//package com.java2s; import android.content.Context; import android.content.pm.PackageManager; import android.content.pm.PackageManager.NameNotFoundException; public class Main { public static boolean isAppExist(Context context, String packageName) { boolean exist = false; PackageManager pm = context.getPackageManager(); try { pm.getPackageInfo(packageName, 0); exist = true; } catch (NameNotFoundException e) { e.printStackTrace(); } return exist; } }