simply display text box value in android

This program will display the text box value.

The onclick event listener will call when you press button

 

Step1) Main java file goes here

 

package add.number;

import android.app.Activity;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

import android.widget.EditText;

import android.widget.TextView;

import java.lang.*;;

public class AddActivity extends Activity {

      

       Button button1;

    EditText txtbox1;

    TextView tv;

      

    /** Called when the activity is first created. */

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

       

       

        txtbox1=  (EditText)findViewById(R.id.txtbox1);

        button1 = (Button) findViewById(R.id.button1);

        tv = (TextView) findViewById(R.id.lbl1);

        button1.setOnClickListener(new clicker());

      

       

    }

   

    class clicker implements Button.OnClickListener

    {

    public void onClick(View v)

    {

       String a;

   

       a = txtbox1.getText().toString();

      

       tv.setText(a.toString());

      

      

      

    }

    }

   

   

}

Step2) Content of main.XML file

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

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

    android:orientation="vertical"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    >

<TextView 

    android:layout_width="fill_parent"

    android:layout_height="wrap_content"

    android:text="@string/hello"

    />

   

<EditText

android:id="@+id/txtbox1"

android:layout_width="145px"

android:layout_height="40px"

android:text="EditText"

android:textSize="18sp"

android:layout_x="75px"

android:layout_y="54px"

> 

</EditText>

<Button

android:id="@+id/button1"

android:layout_width="106px"

android:layout_height="36px"

android:text="Button"

android:layout_x="88px"

android:layout_y="224px"

> 

</Button>

<TextView

android:id="@+id/lbl1"

android:layout_width="141px"

android:layout_height="wrap_content"

android:text="TextView"

android:layout_x="76px"

android:layout_y="166px"

> 

</TextView>

   

   

</LinearLayout>