public class MyPreferenceCategory extends PreferenceCategory {
public MyPreferenceCategory(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
protected void onBindView(View view) {
super.onBindView(view);
view.setBackgroundColor(Color.parseColor("#b0000000"));
if (view instanceof TextView) {
TextView tv = (TextView) view;
tv.setTextSize(16);
tv.setTextColor(Color.BLACK);
}
}

<com.blogchen.myview.MyPreferenceCategory android:title="其他" >
<PreferenceScreen
android:key="blog_"
android:summary="作者博客地址"
android:title="访问博客" >
<intent
android:action="android.intent.action.VIEW"
android:data="http://www.ithome.me" />
</PreferenceScreen>
</com.blogchen.myview.MyPreferenceCategory>

# -- coding: GBK --

#filename:hw.py
print "你好，世界!"
raw_input('请按回车键关闭窗口');