Spring怎么实现上拉刷新和下拉加载效果
这篇文章主要介绍Spring怎么实现上拉刷新和下拉加载效果,文中介绍的非常详细,具有一定的参考价值,感兴趣的小伙伴们一定要看完!
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导依赖:
compile 'com.android.support:recyclerview-v7:25.3.1' compile 'com.liaoinstan.springview:library:1.3.0' compile files('libs/glide-3.7.0.jar')
activity_main布局
MainActivity 主类
public class MainActivity extends Activity { private RecyclerView recyclerView; private Listlist = new ArrayList<>(); private SpringView springView; private LinearLayoutManager linearLayoutManager; @RequiresApi(api = Build.VERSION_CODES.GINGERBREAD) @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); recyclerView = (RecyclerView) findViewById(R.id.recyclerview); list.add("http://f10.baidu.com/it/u=2881303562,336932824&fm=72"); list.add("http://f11.baidu.com/it/u=681755471,2018070071&fm=72"); list.add("http://f10.baidu.com/it/u=960650584,863938083&fm=72"); list.add("http://img0.imgtn.bdimg.com/it/u=783060973,4278100629&fm=27&gp=0.jpg"); list.add("http://img1.imgtn.bdimg.com/it/u=3743124979,3234956668&fm=27&gp=0.jpg"); list.add("http://img4.imgtn.bdimg.com/it/u=3468613159,957707785&fm=27&gp=0.jpg"); list.add("http://img3.imgtn.bdimg.com/it/u=2971205354,485034289&fm=27&gp=0.jpg"); list.add("http://f10.baidu.com/it/u=2881303562,336932824&fm=72"); list.add("http://f11.baidu.com/it/u=681755471,2018070071&fm=72"); list.add("http://f10.baidu.com/it/u=960650584,863938083&fm=72"); list.add("http://img0.imgtn.bdimg.com/it/u=783060973,4278100629&fm=27&gp=0.jpg"); list.add("http://img1.imgtn.bdimg.com/it/u=3743124979,3234956668&fm=27&gp=0.jpg"); list.add("http://img4.imgtn.bdimg.com/it/u=3468613159,957707785&fm=27&gp=0.jpg"); list.add("http://img3.imgtn.bdimg.com/it/u=2971205354,485034289&fm=27&gp=0.jpg"); // 设置布局管理器 // new GridLayoutManager() 九宫格布局管理器 // new LinearLayoutManager() listview 布局管理器 // // new StaggeredGridLayoutManager() 瀑布流 布局管理器 // recyclerView.setLayoutManager(new GridLayoutManager(this,5)); // recyclerView.setLayoutManager(new StaggeredGridLayoutManager(3, LinearLayout.VERTICAL)); // RecyclerViewAdapter adapter = new RecyclerViewAdapter(this,list) ; MultiAdapter adapter = new MultiAdapter(this,list) ; linearLayoutManager = new LinearLayoutManager(this,LinearLayoutManager.VERTICAL,false); recyclerView.setLayoutManager(linearLayoutManager); recyclerView.setAdapter(adapter); // // adapter.setIListener(new RecyclerViewAdapter.Listener() { // @Override // public void onClick(View view, int position) { // Toast.makeText(MainActivity.this, ""+position, Toast.LENGTH_SHORT).show(); // } // // @Override // public void longClick(View view, int position) { // // } // }); recyclerView.setOnScrollListener(new RecyclerView.OnScrollListener() { @Override public void onScrollStateChanged(RecyclerView recyclerView, int newState) { super.onScrollStateChanged(recyclerView, newState); // linearLayoutManager.findFirstVisibleItemPosition() } @Override public void onScrolled(RecyclerView recyclerView, int dx, int dy) { super.onScrolled(recyclerView, dx, dy); } }); // recyclerView.setOnI // recyclerView.addItemDecoration(new HorizontalDividerItemDecoration.Builder(this) // .color(Color.RED).build()); springView = (SpringView) findViewById(R.id.springview); springView.setHeader(new DefaultHeader(this)); springView.setFooter(new DefaultFooter(this)); springView.setListener(new SpringView.OnFreshListener() { @Override public void onRefresh() { //下啦 springView.onFinishFreshAndLoad(); } @Override public void onLoadmore() { // 上啦 springView.onFinishFreshAndLoad(); } }); // adapter.notifyDataSetChanged(); } }
下拉布局
刷新布局
MultiAdapter 适配器
public class MultiAdapter extends RecyclerView.Adapter{ private Context context; private List list; public MultiAdapter(Context context, List list) { this.context = context; this.list = list; } @Override public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { if (viewType == 0) { View view = LayoutInflater.from(context).inflate(R.layout.layout_fitem,parent, false); return new FViewHolder(view); } else { View view = LayoutInflater.from(context).inflate(R.layout.layout_sitem, parent, false); return new SViewHolder(view); } } @Override public int getItemViewType(int position) { return position % 2 ; } @Override public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) { if(holder instanceof FViewHolder){ FViewHolder fViewHolder = (FViewHolder)holder ; fViewHolder.itemStextview.setText(position+""); Glide.with(context).load(list.get(position)).into(fViewHolder.itemSimageview); // ImageLoader.getInstance().displayImage(list.get(position),fViewHolder.itemSimageview); } else { SViewHolder sViewHolder = (SViewHolder)holder ; Glide.with(context).load(list.get(position)).into(sViewHolder.itemSimageview); // ImageLoader.getInstance().displayImage(list.get(position),sViewHolder.itemSimageview); } } @Override public int getItemCount() { return list.size(); } static class FViewHolder extends RecyclerView.ViewHolder{ @BindView(R.id.item_simageview) ImageView itemSimageview; @BindView(R.id.item_stextview) TextView itemStextview; FViewHolder(View view) { super(view); ButterKnife.bind(this, view); } } class SViewHolder extends RecyclerView.ViewHolder{ @BindView(R.id.item_simageview) ImageView itemSimageview; SViewHolder(View view) { super(view); ButterKnife.bind(this, view); } } }
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