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SwipeRefreshListView

2015-07-08 21:48 295 查看

通常我们只对ListView进行刷新与加载更多，而google自带的SwipeRefreshLayout刷新控件相当于一个容器，本文记录将SwipeRefreshLayout与ListView进行封装。

public
class SwipeRefreshListView
extends
SwipeRefreshLayout implements

	OnScrollListener, OnItemClickListener {

	private ListView listView;
	private LinearLayout loadMoreLayout;// FooterView布局
	private LoadMoreListener loadMoreListener;
	private ItemClickListener itemClickListener;

	public SwipeRefreshListView(Context context) {
	super(context);
	listView = new ListView(context);
	initView(context);
	}

	public SwipeRefreshListView(Context context, AttributeSet attrs) {
	super(context, attrs);
	listView = new ListView(context, attrs);
	initView(context);
	}

	/**
	*
	* @description 设置加载更多监听
	* @param loadMoreListener
	*/
	public void setLoadMoreListener(LoadMoreListener loadMoreListener) {
	this.loadMoreListener = loadMoreListener;
	}

	/**
	*
	* @description 设置点击监听
	* @param itemClickListener
	*/
	public void setItemClickListener(ItemClickListener itemClickListener) {
	this.itemClickListener = itemClickListener;
	}

	/**
	*
	* @description 初始化界�?
	* @param context
	*/
	private void initView(Context context) {
	listView.setId(android.R.id.list);//给这个listview添加�?个默认的id
	listView.setDivider(null);
	listView.setDividerHeight(0);
	listView.setSelector(new ColorDrawable(Color.TRANSPARENT));
	listView.setOnScrollListener(this);
	listView.setOnItemClickListener(this);
	this.addView(listView);

	// 加载更多
	loadMoreLayout = (LinearLayout) LayoutInflater.from(context).inflate(
	R.layout.layout_load_more, null);
	listView.addFooterView(loadMoreLayout);
	loadMoreLayout.setVisibility(View.GONE);

	// 设置刷新颜色
	setColorSchemeResources(R.color.refresh_color1, R.color.refresh_color2,
	R.color.refresh_color3, R.color.refresh_color4);

	}

	/**
	*
	* @description 设置适配�?
	* @param adapter
	*/
	public void setAdapter(BaseAdapter adapter) {
	listView.setAdapter(adapter);
	}

	@Override
	public void setRefreshing(boolean refreshing) {
	if (!refreshing && null != loadMoreLayout) {
	loadMoreLayout.setVisibility(View.GONE);
	}
	super.setRefreshing(refreshing);
	}

	/**
	*
	* @description 是否显示加载更多
	* @param visible
	*/
	public void setFooterViewVisible(int visible) {
	loadMoreLayout.setVisibility(visible);
	}

	@Override
	public void onScrollStateChanged(AbsListView view, int scrollState) {

	}

	@Override
	public void onScroll(AbsListView view, int firstVisibleItem,
	int visibleItemCount, int totalItemCount) {
	// 滚动至底�?
	if (firstVisibleItem!=0 && view.getLastVisiblePosition() == view.getCount() - 1) {
	loadMoreLayout.setVisibility(View.VISIBLE);
	loadMoreListener.loadMore();
	}
	}

	@Override
	public void onItemClick(AdapterView<?> parent, View view, int position,
	long id) {
	if(itemClickListener!=null){
	itemClickListener.itemClick(position);
	}
	}

	public interface LoadMoreListener {

	public void loadMore();
	}

	public interface ItemClickListener {

	public void itemClick(int position);
	}

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标签： listview

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