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.util.Log; public class Main { private static final String TAG = "CommonUtil"; public static boolean isAppInstall(Context context, String pkg) { if (context == null || pkg == null) { return false; } try { PackageInfo info = context.getPackageManager().getPackageInfo(pkg, PackageManager.GET_GIDS); Log.d(TAG, "app info " + info.packageName); } catch (PackageManager.NameNotFoundException e) { return false; } return true; } }