这段代码哪里有错。。。。

Question

package com.atguigu.maoyannew.moviepager;

import android.content.Context;
import android.support.design.widget.TabLayout;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;

import com.atguigu.maoyannew.R;
import com.atguigu.maoyannew.base.MovieDetailPager;
import com.atguigu.maoyannew.moviepager.wrodpager.HaiWaiDetailPager;
import com.atguigu.maoyannew.moviepager.wrodpager.HaiWai_HanGuo;
import com.atguigu.maoyannew.moviepager.wrodpager.HaiWai_MeiGuo;
import com.atguigu.maoyannew.moviepager.wrodpager.HaiWai_RiBen;
import com.atguigu.maoyannew.util.LogUtil;

import java.util.ArrayList;

/**

• 作者: from zhao on 2016/5/23 0:47

• 邮箱: [e-mail]
  */
  public class WorldShowPager extends MovieDetailPager {

  private MyHwAdapter myHwAdapter;

  public WorldShowPager(Context context) {
  super(context);

  }

  private TabLayout haiwai_tablayout;
  private ViewPager haiwai_vp;

  // private List list_fragment; //定义要装fragment的列表
  private ArrayList haiWaiDetailPagers;

  private ArrayList list_title; //tab名称列表

  private HaiWai_MeiGuo meiguo; //美国fragment
  private HaiWai_HanGuo hanguo; //韩国fragment
  private HaiWai_RiBen riben; //日本

  @Override
  public View initView() {
  LogUtil.e("海外");

  View view = View.inflate(context, R.layout.pager_worldshow, null);
  haiwai_tablayout = (TabLayout) view.findViewById(R.id.haiwai_tablayout);
  haiwai_vp = (ViewPager) view.findViewById(R.id.haiwai_vp);
  

// x.view().inject(this, view);
return view;
}

@Override
public void initData() {
    super.initData();
    System.out.println("海外被初始化");

    //将fragment装进列表中
    haiWaiDetailPagers = new ArrayList<>();
    haiWaiDetailPagers.add(new HaiWai_MeiGuo(context));
    haiWaiDetailPagers.add(new HaiWai_HanGuo(context));
    haiWaiDetailPagers.add(new HaiWai_RiBen(context)) ;

    //将名称加载tab名字列表，正常情况下，我们应该在values/arrays.xml中进行定义然后调用
    list_title = new ArrayList<>();
    list_title.add("美国");
    list_title.add("韩国");
    list_title.add("日本");

    //设置tablayout的模式
    haiwai_tablayout.setTabMode(TabLayout.MODE_FIXED);
    //为TabLayout添加tab名称
    haiwai_tablayout.addTab(haiwai_tablayout.newTab().setText(list_title.get(0)));
    haiwai_tablayout.addTab(haiwai_tablayout.newTab().setText(list_title.get(1)));
    haiwai_tablayout.addTab(haiwai_tablayout.newTab().setText(list_title.get(2)));

    myHwAdapter = new MyHwAdapter();
    haiwai_vp.setAdapter(myHwAdapter);
    haiwai_tablayout.setupWithViewPager(haiwai_vp);
}


class MyHwAdapter extends PagerAdapter {


    @Override
    public int getCount() {
        Log.e("TAG", "getCount");
        return haiWaiDetailPagers.size();
    }

    @Override
    public boolean isViewFromObject(View view, Object object) {
        Log.e("TAG", "isViewFromObject");
        return view == object;
    }


    @Override
    public void destroyItem(ViewGroup container, int position, Object object) {
        Log.e("TAG", "destroyItem");
        container.removeView(haiWaiDetailPagers.get(position).rootView1);

// container.removeView((View) object);
}

    @Override
    public Object instantiateItem(ViewGroup container, int position) {

// container.addView(haiWaiDetailPagers.get(position));
// return super.instantiateItem(container, position);
Log.e("TAG", "instantiateitem");
HaiWaiDetailPager worldShowPager = haiWaiDetailPagers.get(position);
View rootView1 = worldShowPager.rootView1;
worldShowPager.initData();
container.addView(rootView1);
return rootView1;
}

// //此方法用来显示tab上的名字
@Override
public CharSequence getPageTitle(int position) {
Log.e("TAG", "11111111111111");

// return list_Title.get(position % list_Title.size());
return list_title.get(position);
}
}
}

Answer 1

http://tieba.baidu.com/p/3156381124