Android编程实现简单设置按钮颜色的方法

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:Android="http://schemas.android.com/apk/res/android"  android:orientation="vertical"  android:layout_width="fill_parent"  android:layout_height="fill_parent"  ><TextView  android:layout_width="fill_parent"  android:layout_height="wrap_content"  android:text="@string/hello"  />  <ImageButton  android:id="@+id/button"  android:layout_width="wrap_content"  android:layout_height="wrap_content"  android:background="#000000"  android:src="@drawable/sy"  /></LinearLayout>

package com.YANSE;import android.app.Activity;import android.os.Bundle;import android.widget.ImageButton;public class YANSE extends Activity {  private ImageButton Image =null;  @Override  public void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.main);    Image=(ImageButton)findViewById(R.id.button);  }}