主页 动态UI adapter null视图问题修改 分页框架 include问题

Administrator

2021-11-05 462d583986e4739f7a75227b3fde4da587502ba5

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package com.duqing.missions.ui.main.home;
 
import androidx.lifecycle.MutableLiveData;
 
import com.duqing.missions.base.model.BaseLoadPageViewModel;
import com.duqing.missions.ui.main.home.model.Classify;
import com.duqing.missions.ui.main.home.model.MissionDesc;
 
import java.util.ArrayList;
import java.util.List;
 
public class HomeViewModel extends BaseLoadPageViewModel {
 
    private MutableLiveData<List<MissionDesc>> topMissions = new MutableLiveData<>();
    private MutableLiveData<List<MissionDesc>> recommendMissions = new MutableLiveData<>();
    private MutableLiveData<List<Classify>> classifies = new MutableLiveData<>();
 
    public HomeViewModel() {
    }
 
 
    public MutableLiveData<List<Classify>> getClassifies() {
        return classifies;
    }
 
    public MutableLiveData<List<MissionDesc>> getTopMissions() {
        return topMissions;
    }
 
    public MutableLiveData<List<MissionDesc>> getRecommendMissions() {
        return recommendMissions;
    }
 
    @Override
    public void onRefresh() {
        List<MissionDesc> list = topMissions.getValue() == null? new ArrayList<>() :topMissions.getValue();
        list.clear();
        list.add(new MissionDesc());
        list.add(new MissionDesc());
        list.add(new MissionDesc());
        list.add(new MissionDesc());
        topMissions.setValue(list);
        List<MissionDesc> list2 = recommendMissions.getValue() == null? new ArrayList<>() :recommendMissions.getValue();
        list2.clear();
        list2.addAll(list);
        recommendMissions.setValue(list2);
        List<Classify> list3 = classifies.getValue() == null? new ArrayList<>() :classifies.getValue();
        list3.add(new Classify());
        list3.add(new Classify());
        list3.add(new Classify());
        list3.add(new Classify());
        classifies.setValue(list3);
    }
 
    @Override
    public void onLoadMore(){
        List<MissionDesc> list = recommendMissions.getValue() == null? new ArrayList<>():recommendMissions.getValue() ;
        list.add(new MissionDesc());
        list.add(new MissionDesc());
        list.add(new MissionDesc());
        list.add(new MissionDesc());
        recommendMissions.setValue(list);
    }
}