先讲下这篇写啥东西，也就是这家伙（）写的一个上拉下拉刷新的Demo，连接
东西弄下来之后，会看到library和sample 2个文件夹，至于library怎么用，先看看官网的资料
注意：如果勾选了library，那么这个项目是不能运行的，会提示：android library projects cannot be launched。所以注意了。
其实library怎么用，很简单，就是你新建个Android项目，在其他项目中复制.classpath和.project文件到library下面，使之成为一个Android项目（只是这个项目是被引用的项目），如果你不怕麻烦也可以新建一个Android项目，把有用的文件对应拷贝到新建的Android项目中。
sample文件夹也一样。在该例子中有4个，PullToRefreshExpandableListActivity，PullToRefreshGridActivity，PullToRefreshListActivity，PullToRefreshWebViewActivity
在应用开发中最常用的当属 PullToRefreshListActivity
接下来贴点代码如何把这个例子搬到自己的项目中：代码来源library中的，
com.handmark.pulltorefresh.library.internal.EmptyViewMethodAccessor
com.handmark.pulltorefresh.library.internal.LoadingLayout
com.handmark.pulltorefresh.library.PullToRefreshAdapterViewBase<T extends AbsListView>
com.handmark.pulltorefresh.library.PullToRefreshBase<T extends View>
com.handmark.pulltorefresh.library.PullToRefreshListView
这里面的5个类就可以组建你想要的上拉下拉组件，当然还需要一些res文件了
当然也需要改动:
com.handmark.pulltorefresh.library.PullToRefreshBase类中
private void init(Context context, AttributeSet attrs) { setOrientation(LinearLayout.VERTICAL); touchSlop = ViewConfiguration.getTouchSlop(); // Styleables from XML first //final TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.PullToRefresh); //mode = a.getInteger(R.styleable.PullToRefresh_mode, MODE_PULL_DOWN_TO_REFRESH); //Styleables from XML modify last mode = 0x3; // Refreshable View // By passing the attrs, we can add ListView/GridView params via XML refreshableView = this.createRefreshableView(context, attrs); this.addRefreshableView(context, refreshableView); // Loading View Strings String pullLabel = context.getString(R.string.pull_to_refresh_pull_label); String refreshingLabel = context.getString(R.string.pull_to_refresh_refreshing_label); String releaseLabel = context.getString(R.string.pull_to_refresh_release_label); // Add Loading Views if (mode == MODE_PULL_DOWN_TO_REFRESH || mode == MODE_BOTH) { headerLayout = new LoadingLayout(context, MODE_PULL_DOWN_TO_REFRESH, releaseLabel, pullLabel, refreshingLabel); addView(headerLayout, 0, new LinearLayout.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT)); measureView(headerLayout); headerHeight = headerLayout.getMeasuredHeight(); } if (mode == MODE_PULL_UP_TO_REFRESH || mode == MODE_BOTH) { footerLayout = new LoadingLayout(context, MODE_PULL_UP_TO_REFRESH, releaseLabel, pullLabel, refreshingLabel); addView(footerLayout, new LinearLayout.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT)); measureView(footerLayout); headerHeight = footerLayout.getMeasuredHeight(); } // Styleables from XML modify first /*if (a.hasValue(R.styleable.PullToRefresh_headerTextColor)) { final int color = a.getColor(R.styleable.PullToRefresh_headerTextColor, Color.BLACK); if (null != headerLayout) { headerLayout.setTextColor(color); } if (null != footerLayout) { footerLayout.setTextColor(color); } } if (a.hasValue(R.styleable.PullToRefresh_headerBackground)) { this.setBackgroundResource(a.getResourceId(R.styleable.PullToRefresh_headerBackground, Color.WHITE)); } if (a.hasValue(R.styleable.PullToRefresh_adapterViewBackground)) { refreshableView.setBackgroundResource(a.getResourceId(R.styleable.PullToRefresh_adapterViewBackground, Color.WHITE)); } a.recycle();*/ //Styleables from XML modify last if (null != headerLayout) { headerLayout.setTextColor(Color.BLACK); } if (null != footerLayout) { footerLayout.setTextColor(Color.BLACK); } // Hide Loading Views switch (mode) { case MODE_BOTH: setPadding(0, -headerHeight, 0, -headerHeight); break; case MODE_PULL_UP_TO_REFRESH: setPadding(0, 0, 0, -headerHeight); break; case MODE_PULL_DOWN_TO_REFRESH: default: setPadding(0, -headerHeight, 0, 0); break; } // If we're not using MODE_BOTH, then just set currentMode to current // mode if (mode != MODE_BOTH) { currentMode = mode; } } 至于这个组件该怎么用还是自己琢磨把///
欢迎拍砖
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前段时间由于工作太忙，故没有上传demo，特此补上...
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最近在网上查了点资料，关于Android Library的参考资料