How Do I Change Text Permanently

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Mobile

Android

sir i created a button in android and one text field.when i click the button the text in the textfield created to the button but when i relaunch the emulator or app the change doesnot effect it show the first origional text.for example the first text to the button is first when i click the button and the text changed through the textfield as second.so when i relaunch the emulator or app it show the text first not second.so kindly give a simple example with code to create the change permanently in android.


xml code as

<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:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".MainActivity" >

    <edittext>
        android:id="@+id/edit11"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:layout_marginLeft="50dp"
        android:layout_marginTop="23dp"
        android:ems="10" >

        <requestfocus />
    </edittext>

    <Button
        android:id="@+id/button11"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/edit11"
        android:layout_below="@+id/edit11"
        android:layout_marginTop="62dp"
        android:text="text changed" />

</relativelayout>

and main code as

package com.example.first;

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

public class MainActivity extends Activity {

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		final Button changed=(Button)findViewById(R.id.button11);
		final EditText text=(EditText)findViewById(R.id.edit11);
		 
		changed.setOnClickListener(new View.OnClickListener() {
			
			@Override
			public void onClick(View arg0) {
				// TODO Auto-generated method stub
				
				changed.setText(text.getText().toString());
				
			}
		});
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

}

[edit]Code block added - OriginalGriff[/edit]