[移动开发]android列表组件

ListLayout

package com.coral3.common_module.components;

import android.app.Activity;
import android.content.Context;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.LinearLayout;
import androidx.annotation.Nullable;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import com.chad.library.adapter.base.BaseQuickAdapter;
import com.coral3.common_module.R;
import com.coral3.common_module.adapter.RvAdapter;
import com.coral3.common_module.model.ListModel;
import com.coral3.common_module.utils.LogUtil;
import com.coral3.common_module.utils.ToastUtil;
import java.util.ArrayList;
import java.util.List;

public class ListLayout extends LinearLayout implements BaseQuickAdapter.RequestLoadMoreListener{

    private Context mContext;
    private View view;
    // 列表相关
    private RecyclerView rv;
    private com.coral3.common_module.adapter.RvAdapter RvAdapter;
    private List<ListModel> data = new ArrayList<>();

    public ListLayout(Context context, @Nullable AttributeSet attrs) {
        super(context, attrs);
        mContext = context;
        initView();
        initListener();
        getData(true);
    }

    private void initView() {
        view = LayoutInflater.from(mContext).inflate(R.layout.layout_list, this);
        initRv();
    }

    private void initListener(){
        RvAdapter.setOnLoadMoreListener(this, rv);
        RvAdapter.setOnItemClickListener((adapter, view, position) -> {
            ToastUtil.showMsg(mContext, "点击了" + data.get(position).getName());
        });
    }

    private void initRv() {
        rv = view.findViewById(R.id.recyclerview);
        rv.setLayoutManager(new LinearLayoutManager(mContext));
        RvAdapter = new RvAdapter(R.layout.layout_recyclerview_item, data);
        rv.setAdapter(RvAdapter);
    }

    @Override
    public void onLoadMoreRequested() {
        LogUtil.d("加载更多...");
        getData(false);
    }

    private void getData(Boolean isFirstLoad){
        if(isFirstLoad){
            data.clear();
            data.add(new ListModel(R.mipmap.avatar, "l西y瓜slyslyslyslyslys", "这是很久很久很久很久很久很久的故事..."));
            data.add(new ListModel(R.mipmap.avatar, "s西y瓜l", "这是很久很久很久很久很久很久的故事..."));
            data.add(new ListModel(R.mipmap.avatar, "w西t瓜y", "这是很久很久很久很久很久很久的故事..."));
            data.add(new ListModel(R.mipmap.avatar, "y西t瓜w", "这是很久很久很久很久很久很久的故事..."));
            data.add(new ListModel(R.mipmap.avatar, "s西y瓜l", "这是很久很久很久很久很久很久的故事..."));
            data.add(new ListModel(R.mipmap.avatar, "s西y瓜l", "这是很久很久很久很久很久很久的故事..."));
            data.add(new ListModel(R.mipmap.avatar, "s西y瓜l", "这是很久很久很久很久很久很久的故事..."));
            data.add(new ListModel(R.mipmap.avatar, "s西y瓜l", "这是很久很久很久很久很久很久的故事..."));
            data.add(new ListModel(R.mipmap.avatar, "s西y瓜l", "这是很久很久很久很久很久很久的故事..."));
            data.add(new ListModel(R.mipmap.avatar, "s西y瓜l", "这是很久很久很久很久很久很久的故事..."));
            data.add(new ListModel(R.mipmap.avatar, "s西y瓜l", "这是很久很久很久很久很久很久的故事..."));
            data.add(new ListModel(R.mipmap.avatar, "s西y瓜l", "这是很久很久很久很久很久很久的故事..."));
            data.add(new ListModel(R.mipmap.avatar, "s西y瓜l", "这是很久很久很久很久很久很久的故事..."));
            data.add(new ListModel(R.mipmap.avatar, "s西y瓜l", "这是很久很久很久很久很久很久的故事..."));
            RvAdapter.notifyDataSetChanged();
            RvAdapter.loadMoreComplete();
        }else{
            new Thread(new Runnable() {
                @Override
                public void run() {
                    try {
                        Thread.sleep(1500);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                    ((Activity)mContext).runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            for (int i = 0; i < 6; i++) {
                                data.add(new ListModel(R.mipmap.avatar, "l西y瓜s", "这是很久很久很久很久很久很久的故事..."));
                            }
                            RvAdapter.notifyDataSetChanged();
                            if(data.size() > 60) {
                                LogUtil.d("加载结束...");
                                // 没有更多，上拉加载结束
                                RvAdapter.loadMoreEnd();
                            }else{
                                RvAdapter.loadMoreComplete();
                            }
                        }
                    });
                }
            }).start();
        }
    }
}

layout_list.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <include layout="@layout/layout_recyclerview"/>
    </LinearLayout>
</LinearLayout>

RvAdapter

package com.coral3.common_module.adapter;

import androidx.annotation.Nullable;
import com.chad.library.adapter.base.BaseQuickAdapter;
import com.chad.library.adapter.base.BaseViewHolder;
import com.chad.library.adapter.base.loadmore.LoadMoreView;
import com.coral3.common_module.R;
import com.coral3.common_module.model.ListModel;
import java.util.List;

public class RvAdapter extends BaseQuickAdapter<ListModel, BaseViewHolder> {

	public RvAdapter(int layoutResId, @Nullable List<ListModel> data) {

		super(layoutResId, data);
		this.setLoadMoreView(new LoadMoreView() {
			@Override
			public int getLayoutId() {
				//自己想要显示的加载更多布局样式
				return R.layout.layout_custom_bottom_loading;
			}

			@Override
			protected int getLoadingViewId() {
				//加载中...
				return R.id.tv_loading;
			}

			@Override
			protected int getLoadFailViewId() {
				//加载错误...
				return R.id.tv_loading_err;
			}

			@Override
			protected int getLoadEndViewId() {
				//加载结束
				return R.id.tv_loading_end;
			}
		});
	}

	@Override
	protected void convert(BaseViewHolder helper, ListModel item) {
		helper.setImageResource(R.id.iv_img_view, item.getImageId());
		helper.setText(R.id.tv_base_name, item.getName());
		helper.setText(R.id.tv_base_content, item.getContent());
	}
}

ListModel

package com.coral3.common_module.model;

import java.io.Serializable;

public class ListModel implements Serializable {

    private int imageId; // 图片
    private String name; // 名称
    private String content; // 内容 描述之类

    public String getName() {
        return name;
    }

    public int getImageId() {
        return imageId;
    }

    public String getContent() {
        return content;
    }

    public ListModel(int imageId, String title, String content){
        this.imageId = imageId;
        this.name = title;
        this.content = content;
    }
}

使用

<com.coral3.common_module.components.ListLayout
        android:id="@+id/work_list"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"/>