Java tutorial
//package com.java2s; import android.content.Context; import android.content.Intent; import android.net.Uri; public class Main { public static void viewMaps(Context context, String addressText) { String uri = "geo:" + 0 + "," + 0 + "?q=" + addressText; context.startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(uri))); } }