package com.xunao.effectdemo.activity; import android.app.Activity; import android.os.Bundle; import androidx.annotation.Nullable; import androidx.recyclerview.widget.LinearLayoutManager; import androidx.recyclerview.widget.RecyclerView; import com.xunao.effectdemo.R; import com.xunao.effectdemo.adapter.ClassItemAdapter; import java.util.ArrayList; import java.util.List; /** * author : 程中强 * e-mail : 740479946@qq.com * date : 2022/9/2617:17 * desc : * version: 1.0 */ public class InClassActivity extends Activity { ClassItemAdapter adapter; private RecyclerView rv; private List list = new ArrayList<>(); @Override protected void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_class_list); rv = findViewById(R.id.rl_list); init(); } void init(){ for (int i = 0; i < 10; i++) { list.add(i+""); } adapter = new ClassItemAdapter(this,list); rv.setLayoutManager(new LinearLayoutManager(this,LinearLayoutManager.HORIZONTAL, false)); rv.setAdapter(adapter); } }