添加注释，部分优化

Runt

2022-08-13 b3a51f064c4dfb27f54cd9526803338d2e8dc296

 app/src/main/java/com/runt/open/mvvm/base/activities/LoadPageActivity.java

@@ -1,5 +1,8 @@
package com.runt.open.mvvm.base.activities;

import android.view.MotionEvent;
import android.view.View;

import androidx.annotation.NonNull;
import androidx.lifecycle.Observer;
import androidx.recyclerview.widget.LinearLayoutManager;
@@ -16,10 +19,14 @@
import com.scwang.smart.refresh.layout.listener.OnRefreshLoadMoreListener;

import java.lang.reflect.ParameterizedType;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 含有上拉刷新的Activity
 * 继承此类，有效优化代码60行
 * 试用于 有下拉刷新，上拉加载等分页需求的界面
 * Created by Administrator on 2021/11/4 0004.
 */
public abstract class LoadPageActivity<VB extends ViewBinding,VM extends LoadPageViewModel,A extends BaseAdapter,RESULT>
@@ -29,21 +36,26 @@
    //适配器
    protected A adapter;

    protected String initTitle(){return null;}

    @Override
    public void initViews() {
        if(initTitle() != null) {
            setTitle(initTitle());
        }
        try {
            Class<A> entityClass = (Class<A>) ((ParameterizedType) getClass().getGenericSuperclass()).getActualTypeArguments()[2];
            this.adapter = entityClass.newInstance();//实例化泛型
        } catch (Exception e) {
            e.printStackTrace();
        }
        refresh = mBinding.getRoot().findViewById(R.id.refresh);
        refresh.setRefreshHeader(new ClassicsHeader(mContext));
        refresh.setRefreshFooter(new ClassicsFooter(mContext));
        refresh.setOnRefreshLoadMoreListener(this);
        RecyclerView recycler = mBinding.getRoot().findViewById(R.id.recycler);
        recycler.setLayoutManager(new LinearLayoutManager(mContext));
        recycler.setAdapter(adapter);
        refresh = mBinding.getRoot().findViewById(R.id.refresh);
        refresh.setOnRefreshLoadMoreListener(this);
        mViewModel.getLiveData().observe(this, (Observer<List<RESULT>>) list -> {
            adapter.showNull = true;
@@ -76,7 +88,13 @@
        refresh.autoRefresh();
    }

    protected abstract Map requestParams();
    /**
     * 参数
     * @return
     */
    protected Map requestParams() {
        return new HashMap();
    }

    @Override
    public void onRefresh(@NonNull RefreshLayout refreshLayout) {
@@ -90,6 +108,7 @@
        mViewModel.requestData(page,requestParams());
    }


    public A getAdapter() {
        return adapter;
    }