RecyclerView實現側滑刪除、置頂、滑動

一、首先在build.gradle裏添加

compile 'com.github.mcxtzhang:SwipeDelMenuLayout:V1.2.1'

二、設置recyclerView的item佈局

<?xml version="1.0" encoding="utf-8"?>
<com.mcxtzhang.swipemenulib.SwipeMenuLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="100dp"
    android:clickable="true"
    android:paddingBottom="1dp"
    app:ios="false"
    app:leftSwipe="true"
    app:swipeEnable="true">

    <TextView
        android:id="@+id/content"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="?android:attr/selectableItemBackground"
        android:gravity="center"
        android:text="項目中我是任意複雜的原Item佈局" />

    <!-- 如下都是側滑菜單的內容依序排列 -->
    <Button
        android:id="@+id/btnTop"
        android:layout_width="60dp"
        android:layout_height="match_parent"
        android:background="#d9dee4"
        android:text="置頂"
        android:textColor="@android:color/white" />

    <Button
        android:id="@+id/btnUnRead"
        android:layout_width="120dp"
        android:layout_height="match_parent"
        android:background="#ecd50a"
        android:clickable="true"
        android:text="標記未讀"
        android:textColor="@android:color/white" />

    <Button
        android:id="@+id/btnDelete"
        android:layout_width="60dp"
        android:layout_height="match_parent"
        android:background="#d9dee4"
        android:text="刪除"
        android:textColor="@android:color/white" />


</com.mcxtzhang.swipemenulib.SwipeMenuLayout>

三、Activity

public class RecyclerSlideActivity extends AppCompatActivity {
    private RecyclerView recyclerView;
    private RecyclerSlideAdapter adapter;
    private List<String> mDatas;
    private LinearLayoutManager mLayoutManager;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_recycler_slide);
        initData();
        recyclerView = (RecyclerView) findViewById(R.id.recycler);
        adapter = new RecyclerSlideAdapter(this, mDatas);
        adapter.setOnDelListener(new RecyclerSlideAdapter.onSlideListener() {

            @Override
            public void onDel(int position) {
                Toast.makeText(RecyclerSlideActivity.this, "刪除:" + position, Toast.LENGTH_SHORT).show();
                mDatas.remove(position);
                adapter.notifyItemChanged(position);
            }

            @Override
            public void onTop(int position) {
                String s = mDatas.get(position);
                mDatas.remove(s);
                adapter.notifyItemInserted(0);
                mDatas.add(0, s);
                adapter.notifyItemRemoved(position + 1);
                if (mLayoutManager.findFirstVisibleItemPosition() == 0) {
                    recyclerView.scrollToPosition(0);
                }
            }
        });
        recyclerView.setAdapter(adapter);
        recyclerView.setLayoutManager(mLayoutManager = new LinearLayoutManager(this));

        recyclerView.setOnTouchListener(new View.OnTouchListener() {
            @Override
            public boolean onTouch(View view, MotionEvent motionEvent) {
                if (motionEvent.getAction() == MotionEvent.ACTION_UP) {
                    SwipeMenuLayout viewCache = SwipeMenuLayout.getViewCache();
                    if (null != viewCache) {
                        viewCache.smoothClose();
                    }
                }
                return false;
            }
        });

    }

    private void initData() {
        mDatas = new ArrayList<>();
        for (int i = 0; i < 40; i++) {
            mDatas.add("item" + i);
        }
    }
}

四、adapter

public class RecyclerSlideAdapter extends RecyclerView.Adapter<RecyclerSlideAdapter.Slide> {
    private Context context;
    private LayoutInflater mInflater;
    private List<String> mDatas;

    public RecyclerSlideAdapter(Context context, List<String> mDatas) {
        this.context = context;
        this.mDatas = mDatas;
        mInflater = LayoutInflater.from(context);
    }

    @Override
    public Slide onCreateViewHolder(ViewGroup parent, int viewType) {

        return new Slide(mInflater.inflate(R.layout.item_recycler, parent, false));
    }

    @Override
    public void onBindViewHolder(final Slide holder, final int position) {
        //這句話關掉IOS阻塞式交互效果，並依此打開左滑右滑
//        ((SwipeMenuLayout) holder.itemView).setIos(false).setLeftSwipe(position % 2 == 0 ? true : false);

//        holder.content.setText(mDatas.get(position));

        //驗證長按
        holder.content.setOnLongClickListener(new View.OnLongClickListener() {
            @Override
            public boolean onLongClick(View view) {
                Toast.makeText(context, "longclig", Toast.LENGTH_SHORT).show();
                return false;
            }
        });
        holder.btnUnRead.setVisibility(position % 3 == 0 ? View.GONE : View.VISIBLE);
        holder.btnDelete.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                /**
                 * 若是刪除時，不適用adapter.notifyItemRemoved(position),則刪除沒有動畫效果
                 * 若是想讓側滑菜單同時關閉，須要同時調用(CstSwipeDelMenu)holder.itemView).quickClose();
                 */
                mOnSlideListener.onDel(holder.getAdapterPosition());
            }
        });
        //注意事項，設置item點擊，不能對真個holder.itemView設置，只能對第一個TextView設置
        holder.content.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Toast.makeText(context, "onClick:" + position, Toast.LENGTH_SHORT).show();
            }
        });
        //置頂
        holder.btnTop.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                if (null != mOnSlideListener) {
                    mOnSlideListener.onTop(holder.getAdapterPosition());
                }
            }
        });


    }

    @Override
    public int getItemCount() {
        return null != mDatas ? mDatas.size() : 0;
    }

    /**
     * 和Activity通訊的接口
     */
    public interface onSlideListener {
        void onDel(int position);

        void onTop(int position);
    }

    private onSlideListener mOnSlideListener;

    public onSlideListener getmOnSlideListener() {
        return mOnSlideListener;
    }

    public void setOnDelListener(onSlideListener mOnDelListener) {
        this.mOnSlideListener = mOnDelListener;
    }

    public class Slide extends RecyclerView.ViewHolder {
        TextView content;
        Button btnDelete;
        Button btnUnRead;
        Button btnTop;

        public Slide(View itemView) {
            super(itemView);
            content = (TextView) itemView.findViewById(R.id.content);
            btnDelete = (Button) itemView.findViewById(R.id.btnDelete);
            btnUnRead = (Button) itemView.findViewById(R.id.btnUnRead);
            btnTop = (Button) itemView.findViewById(R.id.btnTop);
        }
    }
}

 

RecyclerView滑動Scroll

package com.bumptech.glide.integration.recyclerview;

import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.widget.AbsListView;
import android.widget.ListView;

/**
 * Converts {@link android.support.v7.widget.RecyclerView.OnScrollListener} events to
 * {@link AbsListView} scroll events.
 *
 * <p>Requires that the the recycler view be using a {@link LinearLayoutManager} subclass.
 */
public final class RecyclerToListViewScrollListener extends RecyclerView.OnScrollListener {
  public static final int UNKNOWN_SCROLL_STATE = Integer.MIN_VALUE;
  private final AbsListView.OnScrollListener scrollListener;
  private int lastFirstVisible = -1;
  private int lastVisibleCount = -1;
  private int lastItemCount = -1;

  public RecyclerToListViewScrollListener(AbsListView.OnScrollListener scrollListener) {
    this.scrollListener = scrollListener;
  }

  @Override
  public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
    int listViewState;
    switch (newState) {
      case RecyclerView.SCROLL_STATE_DRAGGING:
        listViewState = ListView.OnScrollListener.SCROLL_STATE_TOUCH_SCROLL;
        break;
      case RecyclerView.SCROLL_STATE_IDLE:
        listViewState = ListView.OnScrollListener.SCROLL_STATE_IDLE;
        break;
      case RecyclerView.SCROLL_STATE_SETTLING:
        listViewState = ListView.OnScrollListener.SCROLL_STATE_FLING;
        break;
      default:
        listViewState = UNKNOWN_SCROLL_STATE;
    }

    scrollListener.onScrollStateChanged(null /*view*/, listViewState);
  }

  @Override
  public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
    LinearLayoutManager layoutManager = (LinearLayoutManager) recyclerView.getLayoutManager();

    int firstVisible = layoutManager.findFirstVisibleItemPosition();
    int visibleCount = Math.abs(firstVisible - layoutManager.findLastVisibleItemPosition());
    int itemCount = recyclerView.getAdapter().getItemCount();

    if (firstVisible != lastFirstVisible || visibleCount != lastVisibleCount
        || itemCount != lastItemCount) {
      scrollListener.onScroll(null, firstVisible, visibleCount, itemCount);
      lastFirstVisible = firstVisible;
      lastVisibleCount = visibleCount;
      lastItemCount = itemCount;
    }
  }
}