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

 app/src/main/java/com/duqing/missions/ui/main/home/HomeFragment.java

@@ -6,87 +6,64 @@
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.lifecycle.Observer;
import androidx.lifecycle.ViewModelProvider;
import androidx.recyclerview.widget.GridLayoutManager;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import com.duqing.missions.base.BaseFragment;
import com.duqing.missions.base.fragments.BaseLoadPageFragment;
import com.duqing.missions.data.BasePageResult;
import com.duqing.missions.databinding.FragmentHomeBinding;
import com.duqing.missions.ui.login.view.LoginActivity;
import com.duqing.missions.ui.main.home.adapter.ClassifyAdapter;
import com.duqing.missions.ui.main.home.adapter.MissionAdapter;
import com.duqing.missions.ui.main.home.adapter.MissionTopAdapter;
import com.duqing.missions.ui.main.home.model.Classify;
import com.duqing.missions.ui.main.home.model.MissionDesc;
import com.scwang.smart.refresh.footer.ClassicsFooter;
import com.scwang.smart.refresh.header.ClassicsHeader;
import com.scwang.smart.refresh.layout.SmartRefreshLayout;
import com.scwang.smart.refresh.layout.api.RefreshLayout;
import com.scwang.smart.refresh.layout.listener.OnRefreshLoadMoreListener;

import java.util.List;

public class HomeFragment extends BaseFragment<FragmentHomeBinding> {
public class HomeFragment extends BaseLoadPageFragment<FragmentHomeBinding,HomeViewModel,MissionAdapter, BasePageResult<String>> {

    private HomeViewModel homeViewModel;
    final String TAG = "HomeFragment";


    @Override
    public void initViews() {
        homeViewModel = new ViewModelProvider(this).get(HomeViewModel.class);
        binding.imgSearch.setOnClickListener(v -> startActivity(new Intent(getContext(), LoginActivity.class)));
        final SmartRefreshLayout smartRefresh = binding.smartRefresh;
        smartRefresh.setRefreshHeader(new ClassicsHeader(getContext()));
        smartRefresh.setRefreshFooter(new ClassicsFooter(getContext()));
        super.initViews();
        binding.textSearch.setOnClickListener(v -> startActivity(new Intent(getContext(), LoginActivity.class)));
        final  TextView textView = binding.textRecommend;
        final ImageView imgSearch = binding.imgSearch;
        RecyclerView recyclerClassify = binding.recyclerClassify;
        RecyclerView recyclerTop = binding.recyclerTop;
        final RecyclerView recyclerRecommend = binding.recyclerRecommend;
        recyclerRecommend.setLayoutManager(new LinearLayoutManager(getContext()));
        LinearLayoutManager layoutManager = new LinearLayoutManager(getContext());
        layoutManager.setOrientation(LinearLayoutManager.HORIZONTAL);
        recyclerClassify.setLayoutManager(layoutManager);
        ClassifyAdapter classifyAdapter = new ClassifyAdapter();
        recyclerClassify.setAdapter(classifyAdapter);
        recyclerTop.setLayoutManager(new GridLayoutManager(getContext(),3));
        smartRefresh.setOnRefreshLoadMoreListener(new OnRefreshLoadMoreListener() {
            @Override
            public void onLoadMore(@NonNull RefreshLayout refreshLayout) {
                homeViewModel.onLoadMore();
            }

            @Override
            public void onRefresh(@NonNull RefreshLayout refreshLayout) {
                homeViewModel.onRefresh();
            }
        });
        final MissionTopAdapter topAdapter = new MissionTopAdapter();
        recyclerTop.setAdapter(topAdapter);
        final MissionAdapter recommendAdapter = new MissionAdapter();
        recyclerRecommend.setAdapter(recommendAdapter);
        homeViewModel.getText().observe(getViewLifecycleOwner(), new Observer<String>() {
            @Override
            public void onChanged(@Nullable String s) {
                textView.setText(s);
            }
        });
        homeViewModel.getTopMissions().observe(getViewLifecycleOwner(), new Observer<List<MissionDesc>>() {
        viewModel.getTopMissions().observe(getViewLifecycleOwner(), new Observer<List<MissionDesc>>() {
            @Override
            public void onChanged(List<MissionDesc> missionDescs) {
                smartRefresh.finishRefresh();
                topAdapter.setData(missionDescs);
            }
        });
        homeViewModel.getRecommendMissions().observeForever(new Observer<List<MissionDesc>>() {
        viewModel.getRecommendMissions().observeForever(new Observer<List<MissionDesc>>() {
            @Override
            public void onChanged(List<MissionDesc> missionDescs) {
                smartRefresh.finishLoadMore();
                recommendAdapter.setData(missionDescs);
                adapter.setData(missionDescs);
            }
        });
        viewModel.getClassifies().observeForever(new Observer<List<Classify>>() {
            @Override
            public void onChanged(List<Classify> cliassifies) {
                classifyAdapter.setData(cliassifies);
            }
        });
    }