Android怎么实现仿抖音的评论列表UI效果

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抖音是一款音乐创意短视频社交软件，是一个专注年轻人的15秒音乐短视频社区。用户可以通过这款软件选择歌曲，拍摄15秒的音乐短视频，形成自己的作品。此App已在Android各大应用商店和APP Store均有上线。

在design包里面 有一个 BottomSheetDialogFragment 这个Fragment，他已经帮我们处理好了手势，所以实现起来很简单。下面是代码:

public class ItemListDialogFragment extends BottomSheetDialogFragment { // TODO: Customize parameter argument names private static final String ARG_ITEM_COUNT = "item_count"; private Listener mListener; // TODO: Customize parameters public static ItemListDialogFragment newInstance(int itemCount) {  final ItemListDialogFragment fragment = new ItemListDialogFragment();  final Bundle args = new Bundle();  args.putInt(ARG_ITEM_COUNT, itemCount);  fragment.setArguments(args);  return fragment; } @Nullable @Override public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {  // 在这里将view的高度设置为精确高度，即可屏蔽向上滑动不占全屏的手势。  View view = inflater.inflate(R.layout.fragment_item_list_dialog, container, false);  view.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,    ScreenUtils.getScreenHeight(getActivity()) / 3 * 2));  return view; } @Override public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {  final RecyclerView recyclerView = (RecyclerView) view;  recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));  recyclerView.setAdapter(new ItemAdapter(getArguments().getInt(ARG_ITEM_COUNT))); } @Override public void onAttach(Context context) {  super.onAttach(context);  final Fragment parent = getParentFragment();  if (parent != null) {   mListener = (Listener) parent;  } else {   mListener = (Listener) context;  } } @Override public void onDetach() {  mListener = null;  super.onDetach(); } public interface Listener {  void onItemClicked(int position); } private class ViewHolder extends RecyclerView.ViewHolder {  final TextView text;  ViewHolder(LayoutInflater inflater, ViewGroup parent) {   // TODO: Customize the item layout   super(inflater.inflate(R.layout.fragment_item_list_dialog_item, parent, false));   text = (TextView) itemView.findViewById(R.id.text);   text.setOnClickListener(new View.OnClickListener() {    @Override    public void onClick(View v) {     if (mListener != null) {      mListener.onItemClicked(getAdapterPosition());      dismiss();     }    }   });  } } private class ItemAdapter extends RecyclerView.Adapter {  private final int mItemCount;  ItemAdapter(int itemCount) {   mItemCount = itemCount;  }  @Override  public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {   return new ViewHolder(LayoutInflater.from(parent.getContext()), parent);  }  @Override  public void onBindViewHolder(ViewHolder holder, int position) {   holder.text.setText(String.valueOf(position));  }  @Override  public int getItemCount() {   return mItemCount;  } }}

补充：

Android SwipeRefreshLayout仿抖音app静态刷新

SwipeRefreshLayout的功能就是可以让我们的界面在不动的情况下,下拉直接刷新

效果图:

activity_listview布局文件

Activity代码(ListViewActivity)

public class ListViewActivity extends AppCompatActivity implements SwipeRefreshLayout.OnRefreshListener {   private SwipeRefreshLayout swipeRefreshLayout;   private ListView listView;   private List list;   private ArrayAdapter adapter;    @Override   protected void onCreate(Bundle savedInstanceState) {     super.onCreate(savedInstanceState);     setContentView(R.layout.activity_list_view);     swipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.sr1);     swipeRefreshLayout.setOnRefreshListener(this);     list = new ArrayList<>();     list.add("ssss");     listView = (ListView) findViewById(R.id.lv);     adapter = new ArrayAdapter(this         , android.R.layout.simple_list_item_1         , android.R.id.text1         , list);     listView.setAdapter(adapter);   }    @Override   public void onRefresh() {     new Handler().postDelayed(new Runnable() {       @Override       public void run() {         swipeRefreshLayout.setRefreshing(false);         adapter.clear();         list.add("1111");         adapter.notifyDataSetChanged();       }     }, 1000);   } }

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