GPS mean global positioning System. It’s available nowadays in every android phone, and it’s use for different features. You can ...

package com.example.helloworld; import android.app.Activity; import android.os.Bundle; import android.widget.TextView; public class HelloWorld extends Activity { @Override public void onCreate(Bundle savedInstanceState) { ...

Android is the Operating System for mobile devices which also include Middleware and key Application.Android applications are written in java ...