How to display a button in random screen position?

This example demonstrates How to display a button in random screen position

Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.

Step 2 − Add the following code to res/layout/activity_main.xml.

<?xml version = "1.0" encoding = "utf-8"?>
<LinearLayout xmlns:android = ""
   android:orientation = "vertical"
   android:layout_width = "match_parent"
   android:layout_height = "match_parent">
      android:id = "@+id/my_button"
      android:layout_width = "100dp"
      android:layout_height = "wrap_content"
      android:layout_x = "0dp"
      android:layout_y = "0dp"
      android:text = "Yes" />

In the above code, we have taken a button to move random position.

Step 3 − Add the following code to src/

package com.example.myapplication;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.widget.Button;
import android.widget.LinearLayout;
import java.util.Random;
import java.util.Timer;
import java.util.TimerTask;

public class MainActivity extends FragmentActivity {
   public void onCreate(Bundle savedInstanceState) {
      final Button button = (Button) findViewById(;
      final DisplayMetrics displaymetrics = new DisplayMetrics();
      final Timer timer = new Timer();
      timer.schedule(new TimerTask() {
         public void run() {
            runOnUiThread(new Runnable() {
               public void run() {
                  Random R = new Random();
                  final float dx = R.nextFloat() * displaymetrics.widthPixels;
                  final float dy = R.nextFloat() * displaymetrics.heightPixels;
                  final Timer timer = new Timer();
      }, 0, 1000);

Let's try to run your application. I assume you have connected your actual Android Mobile device with your computer. To run the app from android studio, open one of your project's activity files and click Run  icon from the toolbar. Select your mobile device as an option and then check your mobile device which will display your default screen –

Click here to download the project code

Updated on: 30-Jul-2019

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