{"id":839,"date":"2023-05-14T17:21:26","date_gmt":"2024-02-20T13:33:41","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/%e5%ae%89%e5%8d%93-recyclerview-%e6%bb%91%e5%8a%a8%e5%88%a0%e9%99%a4%e5%92%8c%e6%92%a4%e9%94%80\/"},"modified":"2025-08-03T12:13:19","modified_gmt":"2025-08-03T04:13:19","slug":"%e5%ae%89%e5%8d%93-recyclerview-%e6%bb%91%e5%8a%a8%e5%88%a0%e9%99%a4%e5%92%8c%e6%92%a4%e9%94%80","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%ae%89%e5%8d%93-recyclerview-%e6%bb%91%e5%8a%a8%e5%88%a0%e9%99%a4%e5%92%8c%e6%92%a4%e9%94%80\/","title":{"rendered":"\u5b89\u5353\u5f00\u53d1\uff1aRecyclerView\u6ed1\u52a8\u5220\u9664\u548c\u64a4\u9500\u529f\u80fd\u8be6\u89e3"},"content":{"rendered":"<p>\u5728\u8fd9\u4e2a\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u8ba8\u8bba\u5e76\u5728\u6211\u4eec\u7684Android\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5b9e\u73b0\u5728RecyclerView\u4e0a\u7684\u6ed1\u52a8\u5220\u9664\u529f\u80fd\u3002<\/p>\n<h2>\u5b89\u5353\u6ed1\u52a8\u5220\u9664\u6ed1\u52a8\u5220\u9664\u529f\u80fd\u901a\u5e38\u7528\u4e8e\u4eceRecyclerView\u4e2d\u5220\u9664\u884c\u3002\u4e3a\u4e86\u5b9e\u73b0\u6ed1\u52a8\u5220\u9664\u529f\u80fd\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528ItemTouchHelper\u5b9e\u7528\u7c7b\u3002<\/p>\n<h3>ItemTouchHelper.Callback (ItemTouchHelper\u56de\u8c03)\u4e3a\u4e86\u4f7f\u7528ItemTouchHelper\u7c7b\uff0c\u6211\u4eec\u9700\u8981\u5b9e\u73b0ItemTouchHelper.Callback\u3002ItemTouchHelper.Callback\u7c7b\u4e3b\u8981\u7528\u4e8e\u62d6\u653e\u548c\u6ed1\u52a8\u5220\u9664\u884c\u4e3a\u3002\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u53ea\u4f7f\u7528\u6ed1\u52a8\u5220\u9664\u3002Android\u6846\u67b6\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86ItemTouchHelper.Callback\u7684\u57fa\u672c\u5b9e\u73b0\uff0c\u5373SimpleCallback\u3002\u6211\u4eec\u5c06\u521b\u5efa\u6211\u4eec\u81ea\u5df1\u7684\u6ed1\u52a8\u5220\u9664\u529f\u80fd\u5b9e\u73b0\u3002\u4ee5\u4e0b\u662f\u9700\u8981\u5728\u6211\u4eec\u7684\u7c7b\u4e2d\u91cd\u5199\u7684\u4e3b\u8981\u65b9\u6cd5\uff1agetMovementFlags-\u5728\u8fd9\u91cc\u6211\u4eec\u8bbe\u7f6e\u6ed1\u52a8\u7684\u65b9\u5411\u3002\u6211\u4eec\u5728\u4e00\u4e2a\u9759\u6001\u65b9\u6cd5makeMovementFlags\u4e2d\u8fd4\u56de\u65b9\u5411\u6807\u5fd7\u3002onMove-\u8fd9\u7528\u4e8e\u62d6\u653e\u3002\u5982\u679c\u4e0d\u9700\u8981\uff0c\u8bf7\u5728\u6b64\u5904\u8fd4\u56defalse\u3002onSwiped-\u5f53\u68c0\u6d4b\u5230\u6ed1\u52a8\u64cd\u4f5c\u65f6\u4f1a\u89e6\u53d1\u6b64\u65b9\u6cd5\u3002\u5b8c\u6574\u7684\u6ed1\u52a8\u4f1a\u8986\u76d6\u6574\u4e2a\u5c4f\u5e55\u5bbd\u5ea6\u3002\u4e3a\u4e86\u5c06\u90e8\u5206\u6ed1\u52a8\u89c6\u4e3a\u6ed1\u52a8\uff0c\u6211\u4eec\u9700\u8981\u91cd\u5199\u4ee5\u4e0b\u65b9\u6cd5\uff1agetSwipeThreshold-\u5728\u8fd9\u91cc\u6211\u4eec\u8fd4\u56de\u6d6e\u70b9\u503c\u3002\u4f8b\u5982\uff0c0.5f\u8868\u793aRecyclerView\u884c\u768450\uff05\u6ed1\u52a8\u5c06\u88ab\u89c6\u4e3a\u6ed1\u52a8\u3002onChildDraw-\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u521b\u5efa\u81ea\u5b9a\u4e49\u89c6\u56fe\uff0c\u663e\u793a\u51fa\u6ed1\u52a8\u6b63\u5728\u8fdb\u884c\u3002<\/p>\n<p>ItemTouchHelper.Callback \u7528\u4e8e\u53ea\u6ed1\u52a8\u884c\u3002\u5b83\u672c\u8eab\u5e76\u6ca1\u6709\u5220\u9664\u884c\u7684\u529f\u80fd\u3002\u6211\u4eec\u9700\u8981\u4f7f\u7528 RecyclerView Adapter \u81ea\u5df1\u5c06\u5176\u5220\u9664\u3002<\/p>\n<p>\u591f\u8bf4\u4e86\uff0c\u5f00\u59cb\u7f16\u7801\u5427\u3002\u5728\u63a5\u4e0b\u6765\u7684\u90e8\u5206\uff0c\u6211\u4eec\u5c06\u4f7f\u7528RecyclerView\u521b\u5efa\u6211\u4eec\u7684Android\u5e94\u7528\u7a0b\u5e8f\uff0c\u5e76\u6dfb\u52a0\u6ed1\u52a8\u5220\u9664\u529f\u80fd\u3002\u6211\u4eec\u8fd8\u5c06\u63d0\u4f9b\u4e00\u4e2aSnackbar\u6765\u63d0\u4f9b\u64a4\u9500\u9009\u9879\u3002<\/p>\n<h3>\u9879\u76ee\u7ed3\u6784\u5728\u5e94\u7528\u7684 build.gradle \u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u4f9d\u8d56\u9879\u3002<\/p>\n<pre class=\"post-pre\"><code>implementation 'com.android.support:design:28.0.0-rc01'\r\n<\/code><\/pre>\n<h3>\u4ee3\u7801\u4e0b\u9762\u662factivity_main.xml\u5e03\u5c40\u7684\u4ee3\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code>&lt;?xml version=\"1.0\" encoding=\"utf-8\"?&gt;\r\n&lt;android.support.design.widget.CoordinatorLayout xmlns:android=\"https:\/\/schemas.android.com\/apk\/res\/android\"\r\n    xmlns:app=\"https:\/\/schemas.android.com\/apk\/res-auto\"\r\n    xmlns:tools=\"https:\/\/schemas.android.com\/tools\"\r\n    android:layout_width=\"match_parent\"\r\n    android:id=\"@+id\/coordinatorLayout\"\r\n    android:layout_height=\"match_parent\"\r\n    tools:context=\".MainActivity\"&gt;\r\n\r\n    &lt;RelativeLayout\r\n        android:layout_width=\"match_parent\"\r\n        android:layout_height=\"match_parent\"&gt;\r\n\r\n    &lt;android.support.v7.widget.RecyclerView\r\n        android:id=\"@+id\/recyclerView\"\r\n        android:layout_width=\"match_parent\"\r\n        android:layout_height=\"wrap_content\"\r\n        android:orientation=\"vertical\"\r\n        app:layoutManager=\"android.support.v7.widget.LinearLayoutManager\" \/&gt;\r\n\r\n\r\n    &lt;\/RelativeLayout&gt;\r\n\r\n&lt;\/android.support.design.widget.CoordinatorLayout&gt;\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f\u6269\u5c55ItemTouchHelper.Callback\u7c7b\u7684SwipeToDeleteCallback.java\u7c7b\u7684\u4ee3\u7801\uff1a<\/p>\n<pre class=\"post-pre\"><code>package com.Olivia.androidrecyclerviewswipetodelete;\r\n\r\nimport android.content.Context;\r\nimport android.graphics.Canvas;\r\nimport android.graphics.Color;\r\nimport android.graphics.Paint;\r\nimport android.graphics.PorterDuff;\r\nimport android.graphics.PorterDuffXfermode;\r\nimport android.graphics.drawable.ColorDrawable;\r\nimport android.graphics.drawable.Drawable;\r\nimport android.support.annotation.NonNull;\r\nimport android.support.v4.content.ContextCompat;\r\nimport android.support.v7.widget.RecyclerView;\r\nimport android.support.v7.widget.helper.ItemTouchHelper;\r\nimport android.view.View;\r\n\r\nabstract public class SwipeToDeleteCallback extends ItemTouchHelper.Callback {\r\n\r\n    Context mContext;\r\n    private Paint mClearPaint;\r\n    private ColorDrawable mBackground;\r\n    private int backgroundColor;\r\n    private Drawable deleteDrawable;\r\n    private int intrinsicWidth;\r\n    private int intrinsicHeight;\r\n\r\n\r\n    SwipeToDeleteCallback(Context context) {\r\n        mContext = context;\r\n        mBackground = new ColorDrawable();\r\n        backgroundColor = Color.parseColor(\"#b80f0a\");\r\n        mClearPaint = new Paint();\r\n        mClearPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));\r\n        deleteDrawable = ContextCompat.getDrawable(mContext, R.drawable.ic_delete);\r\n        intrinsicWidth = deleteDrawable.getIntrinsicWidth();\r\n        intrinsicHeight = deleteDrawable.getIntrinsicHeight();\r\n        \r\n\r\n    }\r\n\r\n\r\n    @Override\r\n    public int getMovementFlags(@NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder viewHolder) {\r\n        return makeMovementFlags(0, ItemTouchHelper.LEFT);\r\n    }\r\n\r\n    @Override\r\n    public boolean onMove(@NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder viewHolder, @NonNull RecyclerView.ViewHolder viewHolder1) {\r\n        return false;\r\n    }\r\n\r\n    @Override\r\n    public void onChildDraw(@NonNull Canvas c, @NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder viewHolder, float dX, float dY, int actionState, boolean isCurrentlyActive) {\r\n        super.onChildDraw(c, recyclerView, viewHolder, dX, dY, actionState, isCurrentlyActive);\r\n\r\n        View itemView = viewHolder.itemView;\r\n        int itemHeight = itemView.getHeight();\r\n\r\n        boolean isCancelled = dX == 0 &amp;&amp; !isCurrentlyActive;\r\n\r\n        if (isCancelled) {\r\n            clearCanvas(c, itemView.getRight() + dX, (float) itemView.getTop(), (float) itemView.getRight(), (float) itemView.getBottom());\r\n            super.onChildDraw(c, recyclerView, viewHolder, dX, dY, actionState, isCurrentlyActive);\r\n            return;\r\n        }\r\n\r\n        mBackground.setColor(backgroundColor);\r\n        mBackground.setBounds(itemView.getRight() + (int) dX, itemView.getTop(), itemView.getRight(), itemView.getBottom());\r\n        mBackground.draw(c);\r\n\r\n        int deleteIconTop = itemView.getTop() + (itemHeight - intrinsicHeight) \/ 2;\r\n        int deleteIconMargin = (itemHeight - intrinsicHeight) \/ 2;\r\n        int deleteIconLeft = itemView.getRight() - deleteIconMargin - intrinsicWidth;\r\n        int deleteIconRight = itemView.getRight() - deleteIconMargin;\r\n        int deleteIconBottom = deleteIconTop + intrinsicHeight;\r\n\r\n\r\n        deleteDrawable.setBounds(deleteIconLeft, deleteIconTop, deleteIconRight, deleteIconBottom);\r\n        deleteDrawable.draw(c);\r\n\r\n        super.onChildDraw(c, recyclerView, viewHolder, dX, dY, actionState, isCurrentlyActive);\r\n\r\n\r\n    }\r\n\r\n    private void clearCanvas(Canvas c, Float left, Float top, Float right, Float bottom) {\r\n        c.drawRect(left, top, right, bottom, mClearPaint);\r\n\r\n    }\r\n\r\n    @Override\r\n    public float getSwipeThreshold(@NonNull RecyclerView.ViewHolder viewHolder) {\r\n        return 0.7f;\r\n    }\r\n}\r\n\r\n<\/code><\/pre>\n<p>\u7531\u4e8e\u6211\u4eec\u5c1a\u672a\u5b9e\u73b0onSwipe\u65b9\u6cd5\uff0c\u8be5\u7c7b\u662f\u62bd\u8c61\u7684\u3002\u6211\u4eec\u5c06\u5728MainActivity.java\u7c7b\u4e2d\u5b8c\u6210\u8fd9\u4e2a\u65b9\u6cd5\u3002\u5728onChildDraw\u65b9\u6cd5\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528isCancelled\u5e03\u5c14\u503c\u6765\u68c0\u67e5\u662f\u5426\u8fdb\u884c\u4e86\u6ed1\u52a8\u64cd\u4f5c\u3002\u57fa\u4e8e\u8fd9\u4e00\u70b9\uff0c\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u5e26\u6709\u5220\u9664\u56fe\u6807\u7684\u89c6\u56fe\u3002\u6211\u4eec\u5c06Swipe\u9608\u503c\u8bbe\u7f6e\u4e3a0.7\uff0c\u8fd9\u610f\u5473\u7740\u5982\u679c\u884c\u88ab\u5212\u52a8\u7684\u6bd4\u4f8b\u5c11\u4e8e70\uff05\uff0conSwipe\u65b9\u6cd5\u4e0d\u4f1a\u88ab\u89e6\u53d1\u3002\u4ee5\u4e0b\u662fMainActivity.java\u7c7b\u7684\u4ee3\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code>package com.Olivia.androidrecyclerviewswipetodelete;\r\n\r\nimport android.graphics.Color;\r\nimport android.os.Bundle;\r\nimport android.support.annotation.NonNull;\r\nimport android.support.design.widget.CoordinatorLayout;\r\nimport android.support.design.widget.Snackbar;\r\nimport android.support.v7.app.AppCompatActivity;\r\nimport android.support.v7.widget.RecyclerView;\r\nimport android.support.v7.widget.helper.ItemTouchHelper;\r\nimport android.view.View;\r\n\r\nimport java.util.ArrayList;\r\n\r\npublic class MainActivity extends AppCompatActivity {\r\n\r\n\r\n    RecyclerView recyclerView;\r\n    RecyclerViewAdapter mAdapter;\r\n    ArrayList&lt;String&gt; stringArrayList = new ArrayList&lt;&gt;();\r\n    CoordinatorLayout coordinatorLayout;\r\n\r\n    @Override\r\n    protected void onCreate(Bundle savedInstanceState) {\r\n        super.onCreate(savedInstanceState);\r\n        setContentView(R.layout.activity_main);\r\n\r\n        recyclerView = findViewById(R.id.recyclerView);\r\n        coordinatorLayout = findViewById(R.id.coordinatorLayout);\r\n\r\n        populateRecyclerView();\r\n        enableSwipeToDeleteAndUndo();\r\n\r\n\r\n    }\r\n\r\n    private void populateRecyclerView() {\r\n        stringArrayList.add(\"Item 1\");\r\n        stringArrayList.add(\"Item 2\");\r\n        stringArrayList.add(\"Item 3\");\r\n        stringArrayList.add(\"Item 4\");\r\n        stringArrayList.add(\"Item 5\");\r\n        stringArrayList.add(\"Item 6\");\r\n        stringArrayList.add(\"Item 7\");\r\n        stringArrayList.add(\"Item 8\");\r\n        stringArrayList.add(\"Item 9\");\r\n        stringArrayList.add(\"Item 10\");\r\n\r\n        mAdapter = new RecyclerViewAdapter(stringArrayList);\r\n        recyclerView.setAdapter(mAdapter);\r\n\r\n\r\n    }\r\n\r\n    private void enableSwipeToDeleteAndUndo() {\r\n        SwipeToDeleteCallback swipeToDeleteCallback = new SwipeToDeleteCallback(this) {\r\n            @Override\r\n            public void onSwiped(@NonNull RecyclerView.ViewHolder viewHolder, int i) {\r\n\r\n                \r\n                final int position = viewHolder.getAdapterPosition();\r\n                final String item = mAdapter.getData().get(position);\r\n\r\n                mAdapter.removeItem(position);\r\n\r\n\r\n                Snackbar snackbar = Snackbar\r\n                        .make(coordinatorLayout, \"Item was removed from the list.\", Snackbar.LENGTH_LONG);\r\n                snackbar.setAction(\"UNDO\", new View.OnClickListener() {\r\n                    @Override\r\n                    public void onClick(View view) {\r\n                        \r\n                        mAdapter.restoreItem(item, position);\r\n                        recyclerView.scrollToPosition(position);\r\n                    }\r\n                });\r\n\r\n                snackbar.setActionTextColor(Color.YELLOW);\r\n                snackbar.show();\r\n\r\n            }\r\n        };\r\n\r\n        ItemTouchHelper itemTouchhelper = new ItemTouchHelper(swipeToDeleteCallback);\r\n        itemTouchhelper.attachToRecyclerView(recyclerView);\r\n    }\r\n\r\n\r\n}\r\n\r\n<\/code><\/pre>\n<p>\u4e3a\u4e86\u5c06ItemTouchHelper\u8bbe\u7f6e\u5230RecyclerView\u4e0a\uff0c\u4f7f\u7528attachToRecyclerView\u65b9\u6cd5\u3002\u5f53\u70b9\u51fbSnackbar\u52a8\u4f5c\u65f6\uff0c\u6211\u4eec\u4f7f\u7528restoreItem\u65b9\u6cd5\u5c06\u9879\u76ee\u6062\u590d\u5230RecyclerView\u4e2d\u3002restoreItem\u65b9\u6cd5\u5728RecyclerViewAdapter\u7c7b\u4e2d\u5b9a\u4e49\u3002scrollToPosition\u5c06RecyclerView\u6eda\u52a8\u5230\u6307\u5b9a\u4f4d\u7f6e\u3002\u5f53\u5728RecyclerView\u9876\u90e8\u63d2\u5165\u4e00\u4e2a\u9879\u76ee\u65f6\uff0c\u4e3b\u8981\u4f7f\u7528\u8fd9\u4e2a\u65b9\u6cd5\u3002cardview_row.xml\u7684\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre class=\"post-pre\"><code>&lt;?xml version=\"1.0\" encoding=\"utf-8\"?&gt;\r\n&lt;android.support.v7.widget.CardView xmlns:android=\"https:\/\/schemas.android.com\/apk\/res\/android\"\r\n    xmlns:card_view=\"https:\/\/schemas.android.com\/apk\/res-auto\"\r\n    android:id=\"@+id\/cardView\"\r\n    android:layout_width=\"match_parent\"\r\n    android:layout_height=\"64dp\"\r\n    android:layout_margin=\"8dp\"\r\n    card_view:cardCornerRadius=\"0dp\"\r\n    card_view:cardElevation=\"2dp\"&gt;\r\n\r\n\r\n    &lt;RelativeLayout\r\n        android:id=\"@+id\/relativeLayout\"\r\n        android:layout_width=\"match_parent\"\r\n        android:layout_height=\"match_parent\"\r\n        android:paddingBottom=\"8dp\"\r\n        android:paddingLeft=\"8dp\"\r\n        android:paddingRight=\"8dp\"&gt;\r\n\r\n\r\n        &lt;TextView\r\n            android:id=\"@+id\/txtTitle\"\r\n            android:layout_width=\"wrap_content\"\r\n            android:layout_height=\"wrap_content\"\r\n            android:layout_centerVertical=\"true\"\r\n            android:text=\"Item 1\"\r\n            android:textAppearance=\"@style\/TextAppearance.Compat.Notification.Title\" \/&gt;\r\n    &lt;\/RelativeLayout&gt;\r\n\r\n&lt;\/android.support.v7.widget.CardView&gt;\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662fRecyclerViewAdapter.java\u7c7b\u7684\u4ee3\u7801\uff1a<\/p>\n<pre class=\"post-pre\"><code>package com.Olivia.androidrecyclerviewswipetodelete;\r\n\r\nimport android.support.v7.widget.RecyclerView;\r\nimport android.view.LayoutInflater;\r\nimport android.view.View;\r\nimport android.view.ViewGroup;\r\nimport android.widget.RelativeLayout;\r\nimport android.widget.TextView;\r\n\r\nimport java.util.ArrayList;\r\nimport java.util.List;\r\n\r\npublic class RecyclerViewAdapter extends RecyclerView.Adapter&lt;RecyclerViewAdapter.MyViewHolder&gt; {\r\n\r\n    private ArrayList&lt;String&gt; data;\r\n\r\n    public class MyViewHolder extends RecyclerView.ViewHolder {\r\n\r\n        private TextView mTitle;\r\n        RelativeLayout relativeLayout;\r\n\r\n        public MyViewHolder(View itemView) {\r\n            super(itemView);\r\n\r\n            mTitle = itemView.findViewById(R.id.txtTitle);\r\n        }\r\n    }\r\n\r\n    public RecyclerViewAdapter(ArrayList&lt;String&gt; data) {\r\n        this.data = data;\r\n    }\r\n\r\n    @Override\r\n    public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {\r\n        View itemView = LayoutInflater.from(parent.getContext()).inflate(R.layout.cardview_row, parent, false);\r\n        return new MyViewHolder(itemView);\r\n    }\r\n\r\n    @Override\r\n    public void onBindViewHolder(MyViewHolder holder, int position) {\r\n        holder.mTitle.setText(data.get(position));\r\n    }\r\n\r\n    @Override\r\n    public int getItemCount() {\r\n        return data.size();\r\n    }\r\n\r\n\r\n    public void removeItem(int position) {\r\n        data.remove(position);\r\n        notifyItemRemoved(position);\r\n    }\r\n\r\n    public void restoreItem(String item, int position) {\r\n        data.add(position, item);\r\n        notifyItemInserted(position);\r\n    }\r\n\r\n    public ArrayList&lt;String&gt; getData() {\r\n        return data;\r\n    }\r\n}\r\n\r\n\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f\u8be5\u5e94\u7528\u7a0b\u5e8f\u7684\u8f93\u51fa\u7ed3\u679c\uff1a\u672c\u6559\u7a0b\u5230\u6b64\u7ed3\u675f\u3002\u60a8\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u94fe\u63a5\u4e0b\u8f7d\u8be5\u9879\u76ee\u3002<\/p>\n<p>AndroidRecyclerViewSwipeToDelete \u5220\u9664<\/p>\n<p>Github \u9879\u76ee\u94fe\u63a5<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u8fd9\u4e2a\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u8ba8\u8bba\u5e76\u5728\u6211\u4eec\u7684Android\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5b9e\u73b0\u5728RecyclerView\u4e0a\u7684\u6ed1\u52a8\u5220\u9664\u529f\u80fd\u3002 \u5b89 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