README.md 完善

Runt

2022-08-14 024fabb9b4098b3842019d496b0fb15fec0191a0

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

@@ -5,7 +5,6 @@
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import androidx.viewbinding.ViewBinding;

import com.runt.open.mvvm.R;
import com.runt.open.mvvm.base.adapter.BaseAdapter;
import com.runt.open.mvvm.base.model.LoadPageViewModel;
@@ -16,9 +15,14 @@
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;

/**
 * 含有上拉刷新的分页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>
@@ -28,21 +32,26 @@
    //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;
@@ -79,18 +88,20 @@
     * 参数
     * @return
     */
    protected Object[] requestParams(){return null;};
    protected Map requestParams() {
        return new HashMap();
    }

    @Override
    public void onRefresh(@NonNull RefreshLayout refreshLayout) {
        page = 0;
        mViewModel.requestData(mViewModel.request(page,requestParams()));
        mViewModel.requestData(page,requestParams());
    }

    @Override
    public void onLoadMore(@NonNull RefreshLayout refreshLayout) {
        page++;
        mViewModel.requestData(mViewModel.request(page,requestParams()));
        mViewModel.requestData(page,requestParams());
    }