@輪播圖、pulltofresh上拉重新整理，下拉載入TOC

import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v4.view.ViewPager;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.ScrollView;

import com.bwei.day13_xiawu.MainActivity;
import com.bwei.day13_xiawu.R;
import com.bwei.day13_xiawu.adapters.AdAdapter;
import com.bwei.day13_xiawu.adapters.MyAdapter2;
import com.bwei.day13_xiawu.app.MyApp;
import com.bwei.day13_xiawu.beans.AdBean;
import com.bwei.day13_xiawu.beans.NewsBean;
import com.bwei.day13_xiawu.https.HttpConfig;
import com.bwei.day13_xiawu.https.HttpUtils;
import com.google.gson.Gson;
import com.handmark.pulltorefresh.library.PullToRefreshBase;
import com.handmark.pulltorefresh.library.PullToRefreshScrollView;
import com.nostra13.universalimageloader.core.ImageLoader;

import java.util.ArrayList;
import java.util.List;

/**

• 主頁
• 1.輪播圖
• 2.網路資料
• 3.下拉，上啦
  */

public class FoodFragment extends BaseFragment {

private View view;
private ListView listView;
private ViewPager viewPager;
private MyHandler myHandler = new MyHandler();
private int page = 1;
private int type = 0;
List<NewsBean.DataBean> list = new ArrayList<>();
private MyAdapter2 myAdapter2;
private PullToRefreshScrollView scrollView;

@Override
protected View createView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    view = inflater.inflate(R.layout.food_fg_layout, null);
 

// 初始化頁面
initViews();
return view;
}

private void initViews() {
    scrollView = view.findViewById(R.id.sy_pullto);
    listView = view.findViewById(R.id.sy_listview);
    viewPager = view.findViewById(R.id.sy_viewpager);

// 上啦 下拉
scrollView.setMode(PullToRefreshBase.Mode.BOTH);
scrollView.setOnRefreshListener(new PullToRefreshBase.OnRefreshListener2() {
@Override
public void onPullDownToRefresh(PullToRefreshBase refreshView) {
page = 1;
type = 1;
getDataFromNet();
}

        @Override
        public void onPullUpToRefresh(PullToRefreshBase<ScrollView> refreshView) {
            page++;
            type = 2;
            getDataFromNet();
        }
    });
}

@Override
protected void getDataFromNet() {
    Log.d(TAG, "開始請求--------: ");
    HttpUtils httpUtils = HttpUtils.getHttpUtils();
    httpUtils.get(HttpConfig.listurl + page);
    httpUtils.setOnHttpLoadListener(new HttpUtils.HttpLoadListener() {
        @Override
        public void loadSuccess(String json) {
            Log.d(TAG, "loadSuccess:----- " + json);
            Gson gson = new Gson();
            NewsBean newsBean = gson.fromJson(json, NewsBean.class);
            List<NewsBean.DataBean> list1 = newsBean.getData();

            switch (type) {
                case 0://第一次載入
                    myAdapter2 = new MyAdapter2(MyApp.getContext(), list1);

                    listView.setAdapter(myAdapter2);
                    break;

                case 1://下拉重新整理
                    MyAdapter2 myAdapter3 = new MyAdapter2(MyApp.getContext(), list1);

                    listView.setAdapter(myAdapter3);

                    scrollView.onRefreshComplete();

                    break;

                case 2://上啦
                    list.addAll(list1);
                    myAdapter2.notifyDataSetChanged();
                    scrollView.onRefreshComplete();
                    break;
            }

// 去載入輪播圖
getDataAd();
}

        @Override
        public void loadError(String error) {
            Log.d(TAG, "loadError: " + error);
        }
    });

}

//    載入輪播圖
private void getDataAd() {
    Log.d(TAG, "開始請求--------: ");
    HttpUtils httpUtils = HttpUtils.getHttpUtils();
    httpUtils.get(HttpConfig.adurl);
    httpUtils.setOnHttpLoadListener(new HttpUtils.HttpLoadListener() {
        @Override
        public void loadSuccess(String json) {
            Log.d(TAG, "loadSuccess:----- " + json);
            Gson gson = new Gson();
            AdBean adBean = gson.fromJson(json, AdBean.class);
            List<AdBean.DataBean> beanList = adBean.getData();
            List<ImageView> imageViews = new ArrayList<>();
            for (int i = 0; i < beanList.size(); i++) {
                String url = beanList.get(i).getImg();
                ImageView imageView = new ImageView(MyApp.getContext());
                imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
                ImageLoader.getInstance().displayImage(url, imageView, MyApp.getOptions());

                imageViews.add(imageView);
            }
            AdAdapter adAdapter = new AdAdapter(imageViews);

            viewPager.setAdapter(adAdapter);

// 開始進行自動輪播
myHandler.sendEmptyMessageDelayed(0, 1000);
}

        @Override
        public void loadError(String error) {
            Log.d(TAG, "loadError: " + error);
        }
    });
}

//    handler
class MyHandler extends Handler {
    @Override
    public void handleMessage(Message msg) {

        Log.d(TAG, "訊息------");

        int currentItem = viewPager.getCurrentItem();
        currentItem++;
        viewPager.setCurrentItem(currentItem);

        myHandler.sendEmptyMessageDelayed(0, 1000);

    }
}

// 頁面銷燬的時候，停止handler傳送訊息
@Override
public void onPause() {
super.onPause();
myHandler.removeCallbacksAndMessages(null);
}
}