res->layout->main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 android:layout_width="wrap_content" android:layout_height="match_parent"
 android:orientation="vertical">
 
 <EditText
     android:id="@+id/edit1"
     android:layout_width="200dp"
  android:layout_height="wrap_content"
  android:hint=""  (untuk menghilangkan error)
  />
 
 <Button
     android:id="@+id/klik"
     android:layout_width="134dp"
  android:layout_height="wrap_content"
  android:text=""
  android:hint="" android:onClick="myClickHandler"/> ......>diarahkan ke subProcedure
 <EditText
     android:id="@+id/edit2"
     android:layout_width="200dp"
  android:layout_height="wrap_content"
  android:hint="" 
  />
 <TextView
     android:id="@+id/textView1"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
     />
 
</LinearLayout>
kemudian di src dot java
package com.example.helloworld;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;
import android.widget.Button;
public class HelloWorldActivity extends Activity {
    /** Called when the activity is first created. */
 private TextView textview;
 private TextView bbbb;
 private TextView isiText;
 private Button bot;
 
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        textview = (TextView) findViewById(R.id.edit1); //konek kan dg xml
        bbbb = (TextView) findViewById(R.id.edit2);        
        bot   = (Button) findViewById(R.id.klik);
        isiText = (TextView) findViewById(R.id.textView1);
        
        //isi awal
        textview.setText("test"); //cara pengisian
        bot.setText("Klik");
        bbbb.setText("merdeka");
    }
        
//pengunaan botton
 public void myClickHandler(View view)
 {
 switch (view.getId()){
 case R.id.klik:
  
   bbbb.setText(textview.getText());
   isiText.setText(textview.getText());
      break;
    }
 }
}