android笔记五---ImageButton

ok_selector.xml

<?xml version="1.0" encoding="utf-8"?>
<selector
    xmlns:android="http://schemas.android.com/apk/res/android">
    <item
        android:state_pressed="false"
        android:drawable="@drawable/ok2"
        ></item>
    <item
        android:state_pressed="true"
        android:drawable="@drawable/ok1"/>
</selector>

activity_main.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:orientation="vertical"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content" >

    <ImageButton
        android:id="@+id/ImageButton01"
        android:background="@layout/ok_selector"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        />
    <ImageButton
        android:id="@+id/ImageButton02"
        android:src="@drawable/ok2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        />
    <ImageButton
        android:id="@+id/ImageButton03"
        android:background="@null"
        android:src="@layout/ok_selector"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        />
   
</LinearLayout>

MainActivity.java

package com.example.frametest;

import android.os.Bundle;
import android.app.Activity;
import android.content.pm.ActivityInfo;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;

public class MainActivity extends Activity {

 EditText et_name;
 EditText et_age;
 EditText et_tel;
 EditText et_add;
 EditText et_contact;
 String contactStr;
 StringBuffer sb;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
        setContentView(R.layout.activity_main);
       
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }
}