【问题标题】:how to show list view record into second listview on setOnItemClickListener如何在 setOnItemClickListener 上将列表视图记录显示到第二个列表视图中
【发布时间】:2015-04-30 06:01:17
【问题描述】:

我已经创建了列表视图,我想要做的是当用户单击第一个列表视图时,所选记录应显示在第二个列表中,在我的代码中它显示在文本视图中,但我想在第二个中显示该记录列表视图,所以请给我代码/想法,因为我是 android 新手..

public class MainActivity extends Activity {
String item[]=new String[]{"rk","kk","kk","ll","mm","uu"};
TextView tv,tv2,tv3,tv4,tv5;
List<TextView> arrayTV = new ArrayList<TextView>();
ListView li,li2;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

li=(ListView)findViewById(R.id.listView1);
li2=(ListView)findViewById(R.id.listView2);

tv=(TextView)findViewById(R.id.textView1);
tv2=(TextView)findViewById(R.id.textView2);
tv3=(TextView)findViewById(R.id.textView3);
tv4=(TextView)findViewById(R.id.textView4);
tv5=(TextView)findViewById(R.id.textView5);

arrayTV.add(tv);
arrayTV.add(tv2);
arrayTV.add(tv3);
arrayTV.add(tv4);
arrayTV.add(tv5);

ArrayAdapter<String> adapter=new ArrayAdapter<String>   (this,android.R.layout.simple_list_item_1,android.R.id.text1, item);   
li.setAdapter(adapter); 
li.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int position,long arg3) {
    // TODO Auto-generated method stub

    int itm=position;       
 Toast.makeText(getApplicationContext(),""+itm+""+li.getItemAtPosition(position),40).show();
    arrayTV.get(position).setText(""+li.getItemAtPosition(position));
}
  });   
 }

这是我的 XML:

 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/rt"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:weightSum="1"
    tools:context=".MainActivity" >

<ListView
    android:id="@+id/listView1"
    android:layout_width="match_parent"
    android:layout_height="wrap_content" android:layout_weight=".5" >

</ListView>

【问题讨论】:

    标签: android listview


    【解决方案1】:

    在第一个列表视图的 onitemclick 中设置第二个列表视图的适配器

    List<String> a = new ArrayList<String>();
    
         li.setOnItemClickListener(new OnItemClickListener() {
                @Override
                public void onItemClick(AdapterView<?> arg0, View arg1, int position,long arg3) {
    
            String clickedItem =item[postion];
    if(!a.contains(clickedItem))
            a.add(clickedItem);
            String[] newitem = new String[a.size()];
            a.toArray(newitem);
                ArrayAdapter<String> adapter=new ArrayAdapter<String>   (MainActivity.this,android.R.layout.simple_list_item_1,android.R.id.text1, newitem);   
                    li2.setAdapter(adapter);
                }
                  });
    

    【讨论】:

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