本文实例为大家分享了Spring实现上拉刷新和下拉加载效果,供大家参考,具体内容如下
导依赖:
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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
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<? xml version = "1.0" encoding = "utf-8" ?> < LinearLayout xmlns:android = "http://schemas.android.com/apk/res/android" xmlns:app = "http://schemas.android.com/apk/res-auto" xmlns:tools = "http://schemas.android.com/tools" android:layout_width = "match_parent" android:layout_height = "match_parent" android:orientation = "vertical" tools:context = "muhanxi.recycleview.MainActivity" > < com.liaoinstan.springview.widget.SpringView android:layout_width = "match_parent" android:id = "@+id/springview" android:layout_height = "match_parent" > < android.support.v7.widget.RecyclerView android:layout_width = "match_parent" android:layout_height = "match_parent" android:id = "@+id/recyclerview" /> </ com.liaoinstan.springview.widget.SpringView > </ LinearLayout > |
MainActivity 主类
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public class MainActivity extends Activity { private RecyclerView recyclerView; private List<String> list = 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
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<? xml version = "1.0" encoding = "utf-8" ?> < LinearLayout xmlns:android = "http://schemas.android.com/apk/res/android" android:layout_width = "match_parent" android:layout_height = "wrap_content" android:gravity = "center" android:orientation = "vertical" > < ImageView android:src = "@mipmap/ic_launcher" android:scaleType = "centerCrop" android:id = "@+id/item_simageview" android:layout_width = "match_parent" android:layout_height = "100dp" /> </ LinearLayout > |
刷新布局
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<? xml version = "1.0" encoding = "utf-8" ?> < LinearLayout xmlns:android = "http://schemas.android.com/apk/res/android" android:layout_width = "match_parent" android:layout_height = "wrap_content" android:gravity = "center" android:orientation = "vertical" > < ImageView android:src = "@mipmap/ic_launcher" android:id = "@+id/item_simageview" android:layout_width = "match_parent" android:layout_height = "100dp" /> < TextView android:background = "@color/colorPrimary" android:layout_width = "match_parent" android:layout_height = "wrap_content" android:id = "@+id/item_stextview" /> </ LinearLayout > |
MultiAdapter 适配器
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public class MultiAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> { private Context context; private List<String> list; public MultiAdapter(Context context, List<String> 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); } } } |
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:http://blog.csdn.net/AnGuoEr3344/article/details/78483360