Edit Text Error

To Show Error,When Text is not entered in the Edit Text means,

EditTextError.java

package com.android.EditText;

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;

public class EditTextError extends Activity {
    /** Called when the activity is first created. */

    EditText edit;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        edit = (EditText) findViewById(R.id.editText1);
        final Button click = (Button) findViewById(R.id.button1);
        click.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                if (edit.getText().length() == 0) {
                    edit.setError("Please enter the text");
                }
            }
        });
    }
}


The Layout Design : res/layout/main.xml,


<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    android:id="@+id/linearLayout1"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical"
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_margin="5dp">

    <EditText
        android:layout_height="wrap_content"
        android:id="@+id/editText1"
        android:layout_width="fill_parent">
    </EditText>

     <Button
         android:layout_height="wrap_content"
         android:id="@+id/button1"
         android:text="Test it!!"
         android:layout_width="wrap_content"
         android:onClick="btnClick">
     </Button>

</LinearLayout>


The Output Shows like this:

If We click the button without Text,then this error will display: