自动水平滚动的RecyclerView

AutoHorizontalRecyclerview

自动水平滚动的RecyclerView

思路

1.准备N张图片

2.使用recyclerview.scrollBy 每隔一段时间水平滚动一段距离

实现代码

1.activty_main布局文件

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="leifu.autohorizontalrecyclerview.MainActivity">

    <android.support.v7.widget.RecyclerView
        android:id="@+id/rv_RecyclerView"
        android:layout_width="match_parent"
        android:layout_height="200dp"></android.support.v7.widget.RecyclerView>
</LinearLayout>

2.item布局

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:orientation="vertical">

    <ImageView
        android:id="@+id/iv_img"
        android:layout_width="100dp"
        android:layout_height="100dp"
        android:layout_margin="10dp"
        android:scaleType="fitXY"/>
</LinearLayout>

3.MainActivity代码
“`java
public class MainActivity extends AppCompatActivity {

private RecyclerView rv_RecyclerView;
private Integer[] imgArray = {R.drawable.p1, R.drawable.p2, R.drawable.p3, R.drawable.p4, R.drawable.p5, R.drawable.p6, R.drawable.p7, R.drawable.p8, R.drawable.p9, R.drawable.p10};
private ArrayList<Integer> datas;
private RecyAdapter recyAdapter;
private LinearLayoutManager layoutManager;

private Handler mHandler = new Handler();
Runnable scrollRunnable = new Runnable() {
    @Override
    public void run() {
        rv_RecyclerView.scrollBy(1, 0);
        mHandler.postDelayed(scrollRunnable, 10);
    }
};

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    rv_RecyclerView = (RecyclerView) findViewById(R.id.rv_RecyclerView);

    datas = new ArrayList<>();
    for (int i = 0; i < imgArray.length; i++) {
        datas.add(imgArray[i]);
    }
    recyAdapter = new RecyAdapter(this, datas);
    layoutManager = new LinearLayoutManager(this);
    layoutManager.setOrientation(LinearLayoutManager.HORIZONTAL);
    rv_RecyclerView.setLayoutManager(layoutManager);
    rv_RecyclerView.setAdapter(recyAdapter);
    recyAdapter.setOnItemClickListener(new RecyAdapter.OnItemClickListener() {
        @Override
        public void onItemClick(View view, int tag) {
            Toast.makeText(MainActivity.this, "第" + tag + "张图片被点击了", Toast.LENGTH_SHORT).show();