Java tutorial
//package com.java2s; //License from project: Apache License import android.content.Context; import android.content.pm.ApplicationInfo; import android.content.pm.PackageManager; public class Main { public static int getUid(Context context, String packageName) { int uid = -1; PackageManager packageManager = context.getPackageManager(); try { ApplicationInfo applicationInfo = packageManager.getApplicationInfo(packageName, 0); uid = applicationInfo.uid; } catch (PackageManager.NameNotFoundException e) { e.printStackTrace(); } return uid; } }