Android program To accepts a name from the user and displays the hello name on screen

 An Android application program that accepts a name from the user and displays the hello   name to the user in response as output using Eclipse.



Program:


 Activity.xml:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <TextView
        android:id="@+id/tv1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="Week11" />

    <TextView
        android:id="@+id/tv2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Enter your name:"
        android:textAppearance="?android:attr/textAppearanceMedium" />

    <EditText
        android:id="@+id/et1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" >
        <requestFocus />

    </EditText>
    <Button
        android:id="@+id/btn"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Button" />

    <TextView
        android:id="@+id/tv3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text=""
        android:textAppearance="?android:attr/textAppearanceLarge" />

</LinearLayout>

Activity.java:

package cse.wk11;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

public class Wk11Activity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        TextView tv1=(TextView) findViewById(R.id.tv1);
        TextView tv2=(TextView) findViewById(R.id.tv2);
        final TextView tv3=(TextView) findViewById(R.id.tv3);
        final EditText et=(EditText) findViewById(R.id.et1);
        Button btn=(Button) findViewById(R.id.btn);
        btn.setOnClickListener(new OnClickListener() {
public void onClick(View arg0) {
// TODO Auto-generated method stub
String s1=et.getText().toString();
tv3.setText("Hello "+s1);
}
});
     
    }
}




Output:

Program Executed By::  Jyothi