Create A Button And Handle On Click Listener In Android Studio

Step 1: Create a new project or open your project

How to create a new project?

Step 2: activity_main.xml:

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:app="http://schemas.android.com/apk/res-auto"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"android:gravity="center"tools:context=".MainActivity"><Buttonandroid:id="@+id/button"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="Cick Button" /></LinearLayout>

Step2: MainActivity.java

package com.blogspot.devofandroid.myapplication;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.widget.Button;import android.widget.Toast;public class MainActivity extends AppCompatActivity {@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);//initializeButton mButton = (Button)findViewById(R.id.button);//handle onClickmButton.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View view) {//display toast you can do anything you want onClick hereToast.makeText(MainActivity.this , "Button is Clicked" , Toast.LENGTH_SHORT).show();}});}}

Step 3: Output: