Listview里面的值出现了2次

不废话，先爆照

我去，这个listview里面的值怎么出现了2次，一直在找原因，后来解决了，先看下我的部分代码吧。

这是mainactivity.xml内容

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    xmlns:sat="http://schemas.android.com/apk/res-auto"    android:paddingLeft="@dimen/activity_horizontal_margin"    android:paddingRight="@dimen/activity_horizontal_margin"    android:paddingTop="@dimen/activity_vertical_margin"    android:paddingBottom="@dimen/activity_vertical_margin"    tools:context=".MainActivity">    <fragment        android:id="@+id/content"        android:layout_width="match_parent"        android:layout_height="match_parent"        android:name="com.example.chenyu.shaketofresh.ListViewFragment"        >    </fragment>    <!--<RelativeLayout-->        <!--android:id="@+id/content"-->        <!--android:layout_width="match_parent"-->        <!--android:layout_height="match_parent"></RelativeLayout>--></RelativeLayout>

然后这是ListViewFragment.java文件

package com.example.chenyu.shaketofresh;import android.app.Fragment;import android.os.Bundle;import android.support.annotation.Nullable;import android.util.Log;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.ListView;import android.widget.SimpleAdapter;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;/** * Created by Think on 2015/11/7. */public class ListViewFragment extends Fragment{    List<Map<String,Object>> mData=new ArrayList<Map<String,Object>>();    private String[] mListTitle={"功能: ","姓名: ","我的QQ:","QQ学习群:","邮箱: "};    private String[] mListStr={"手机摇一摇震动刷新","陈喻","2657607916","319010802","2657607916@qq.com"};    private ListView mlistView=null;    private ListView  lv;    private SimpleAdapter adapter;    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {        Log.d("chen","onCreateView");        View view=inflater.inflate(R.layout.listview_fragment,container,false);        mData=getmData();        lv= (ListView)view.findViewById(R.id.listview_fragment);        adapter=new SimpleAdapter(getActivity(),mData,R.layout.simple_list_item,new String[]{"title","text"},new int[]{R.id.text1,R.id.text2});        lv.setAdapter(adapter);        return view;    }    public List<Map<String,Object>> getmData(){        for(int i=0;i<mListTitle.length;i++){            Map<String,Object> map=new HashMap<String,Object>();            map.put("title",mListTitle[i]);            map.put("text",mListStr[i]);            mData.add(map);        }        return mData;    }}

然后就是部分mainActivity.java文件

protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        Log.d("chen", "onCreate");        setContentView(R.layout.activity_main);        FragmentManager fm=getFragmentManager();        FragmentTransaction ft=fm.beginTransaction();        ListViewFragment listViewFragment=new ListViewFragment();        ft.replace(R.id.content,listViewFragment);        ft.commit();//        mData=getmData();//        lv= (ListView) findViewById(R.id.lv);//        adapter=new SimpleAdapter(this,mData,R.layout.simple_list_item,new String[]{"title","text"},new int[]{R.id.text1,R.id.text2});//        lv.setAdapter(adapter);        //获取传感器管理服务        mSensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);        //震动        vibrator = (Vibrator) getSystemService(Service.VIBRATOR_SERVICE);        initSlidingMenu();    }

为什么listview里面的值会加载2次呢？

是因为

        android:name="com.example.chenyu.shaketofresh.ListViewFragment"

就默认加载了

然后我在mainActivity.java文件里面写了

 ft.replace(R.id.content,listViewFragment);

又取代了一次，所以加载2次了，以后记得不要犯错。

总结：

如果写静态的Fragment实现之后，就不要动态加载了，这样就重复了，以后要注意。

Android之如何解决Listview里面的值出现了2次

Listview里面的值出现了2次

不废话，先爆照

总结：

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