我的代码运行不出来了是为什么？，也没有说有错误

Question

package com.example.demo2;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import android.content.Intent;import android.os.Bundle;import android.support.v4.app.Fragment;import android.view.LayoutInflater;import android.view.View;import android.view.View.OnClickListener;import android.view.ViewGroup;import android.webkit.WebView.FindListener;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.ListView;import android.widget.SimpleAdapter;public class Fragment1 extends Fragment{ private ListView mListview; private SimpleAdapter mSAdapter; private int[] image; private String[] news_title; private String[] news_time; private String[] news_introduce; private List<Map<String, Object>> mList; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // TODO Auto-generated method stub View view = inflater.inflate(R.layout.view1, container, false); return view; } @Override public void onActivityCreated(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onActivityCreated(savedInstanceState); mListview =(ListView) getActivity().findViewById(R.id.listview1); setData(); mListview.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { Intent intent = new Intent(getActivity(), DetailsActivity.class); startActivity(intent); } }); } private void setData() { mList= new ArrayList<Map<String,Object>>(); image = new int[]{R.drawable.r1,R.drawable.r2,R.drawable.r3,R.drawable.r4}; news_title= new String[]{"标题1","标题2","标题3","标题4"}; news_time= new String[]{"2016-12-21","2016-12-21","2016-12-21","2016-12-21"}; news_introduce= new String[]{"内容1","内容2","内容","内容4"}; mSAdapter = new SimpleAdapter(getActivity(), getdata(), R.layout.item, new String[] { "pic", "title", "time", "introduce" }, new int[] { R.id.news_image, R.id.news_title, R.id.news_time, R.id.news_introduce }); mListview.setAdapter(mSAdapter); } private List<? extends Map<String, Object>> getdata() { for(int i=0;i<image.length;i++){ Map<String, Object> map = new HashMap<String, Object>(); map.put("pic", image[i]); map.put("title", news_title[i]); map.put("time", news_time[i]); map.put("introduce", news_introduce[i]); mList.add(map); } return mList; }}package com.example.demo2;import android.app.Activity;import android.os.Bundle;public class DetailsActivity extends Activity{ @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.details_layout); }}package com.example.demo2;import java.util.ArrayList;import java.util.List;import android.support.v4.app.Fragment;import android.support.v4.app.FragmentActivity;import android.support.v4.view.PagerTabStrip;import android.support.v4.view.ViewPager;import android.support.v7.app.ActionBarActivity;import android.graphics.Color;import android.os.Bundle;import android.view.Menu;import android.view.MenuItem;public class MainActivity extends FragmentActivity { private List<Fragment> mList; private PagerTabStrip mTab; private ViewPager mViewPager; private List<String> mTitleList; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mViewPager =(ViewPager) findViewById(R.id.parger); add(); } private void add() { mList = new ArrayList<Fragment>(); mList.add(new Fragment1()); mList.add(new Fragment2()); mList.add(new Fragment3()); mList.add(new Fragment4()); mTitleList = new ArrayList<String>(); mTitleList.add("热点"); mTitleList.add("推荐"); mTitleList.add("社会"); mTitleList.add("军事"); mTab=(PagerTabStrip)findViewById(R.id.tab); mTab.setBackgroundColor(Color.GRAY); mTab.setTextColor(Color.WHITE); mTab.setDrawFullUnderline(false); mTab.setTabIndicatorColor(Color.RED); MyFragmentPagerAdapter adapter =new MyFragmentPagerAdapter(getSupportFragmentManager(), mList, mTitleList); mViewPager.setAdapter(adapter); }}import java.util.List;import android.support.v4.app.Fragment;import android.support.v4.app.FragmentManager;import android.support.v4.app.FragmentPagerAdapter;public class MyFragmentPagerAdapter extends FragmentPagerAdapter{ private List<Fragment> mList; private List<String> mTitleList; public MyFragmentPagerAdapter(FragmentManager fm, List<Fragment> mList, List<String> mTitleList) { super(fm); this.mList=mList; this.mTitleList=mTitleList; } @Override public Fragment getItem(int arg0) { // TODO Auto-generated method stub return mList.get(arg0); } @Override public int getCount() { // TODO Auto-generated method stub return mList.size(); } @Override public CharSequence getPageTitle(int position) { // TODO Auto-generated method stub return mTitleList.get(position); }}  }package com.example.demo2;import android.os.Bundle;import android.support.v4.app.Fragment;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;public class Fragment2 extends Fragment{ @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // TODO Auto-generated method stub return inflater.inflate(R.layout.view2, container, false); }}package com.example.demo2;import android.os.Bundle;import android.support.v4.app.Fragment;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;public class Fragment3 extends Fragment{ @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // TODO Auto-generated method stub return inflater.inflate(R.layout.view3, container, false); }}import android.os.Bundle;import android.support.v4.app.Fragment;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;public class Fragment4 extends Fragment{ @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // TODO Auto-generated method stub return inflater.inflate(R.layout.view4, container, false); }}

Answer 1

Adapter没有复写getView方法？？？