EditText

Activity main.xml :-

<?xml version="1.0" encoding="utf-8"?> 

<RelativeLayout 

   xmlns:android="http://schemas.android.com/apk/res/android" 

   xmlns:tools="http://schemas.android.com/tools" 

   android:layout_width="match_parent" 

   android:layout_height="match_parent" 

   android:paddingLeft="@dimen/activity_horizontal_margin" 

   android:paddingRight="@dimen/activity_horizontal_margin" 

   android:paddingTop="@dimen/activity_vertical_margin" 

   android:paddingBottom="@dimen/activity_vertical_margin"     

   tools:context="com.kiranapp.MainActivity">


    <EditText 

     android:layout_width="wrap_content" 

     android:layout_height="wrap_content" 

     android:hint="Name" 

     android:ems="10" 

     android:id="@+id/editText" 

     android:layout_alignParentTop="true" 

     android:layout_centerHorizontal="true" />

    <Button         

     android:layout_width="wrap_content" 

     android:layout_height="wrap_content" 

     android:text="Show" 

     android:id="@+id/button" 

     android:layout_marginTop="56dp" 

     android:layout_below="@+id/editText"         

     android:layout_centerHorizontal="true" />
</RelativeLayout>

MainActivity.java :-

package com.kiranapp;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

  EditText editText;
  Button b1;

@Override 

 protected void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_main);
 editText=(EditText)findViewById(R.id.editText);
 b1=(Button)findViewById(R.id.button);
 b1.setOnClickListener(new View.OnClickListener() {
@Override 

 public void onClick(View v) {
 String s1=editText.getText().toString();
 Toast.makeText(getApplicationContext(),"Name is : "+s1,5000).show();
 }

 });

 }
}

Output :-

EditText figure