Activity01.java

package com.yarin.android.Examples_04_06;

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

public class Activity01 extends Activity {
	private TextView m_TextView;
	private EditText m_EditText;

	/** Called when the activity is first created. */
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);

		m_TextView = (TextView) findViewById(R.id.TextView01);
		m_EditText = (EditText) findViewById(R.id.EditText01);

		m_TextView.setTextSize(20);
		/**
		 * ���õ�m_EditText��Ϊ��ʱ��ʾ������ ��XML��ͬ������ʵ�֣�android:hint="�������˺�"
		 */
		//m_EditText.setHint("�������˺�");

		/* ����EditText�¼����� */
		m_EditText.setOnKeyListener(new EditText.OnKeyListener() {
			@Override
			public boolean onKey(View arg0, int arg1, KeyEvent arg2) {
				// TODO Auto-generated method stub
				// �õ����֣�������ʾ��TextView��
				m_TextView
						.setText("�ı����������ǣ�" + m_EditText.getText().toString());
				return false;
			}
		});
	}
}