摘要： 主界面MainActivity.classpublic class MainActivity extends Activity implements OnScrollListener{ private ProgressBar loadInfo; private ListView list... 阅读全文

摘要： 首先定义一个获得StateListDrawable对象的方法：private StateListDrawable addStateDrawable(Context context, int idNormal, int idPressed, int idFocused) { StateList... 阅读全文