42.Android之ListView中ArrayAdapter简单学习

今天学习下Android中ListView关于ArrayAdapter数据绑定, 废话少说直接上代码。

改下布局文件：

 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical">

     <ListView
         android:id="@+id/lv1"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_weight="1">
     </ListView>

      <ListView
         android:id="@+id/lv2"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_weight="1">
     </ListView>

       <ListView
         android:id="@+id/lv3"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_weight="1" >
     </ListView>

         <ListView
         android:id="@+id/lv4"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_weight="1" >
     </ListView>
 </LinearLayout>

代码修改：

 package com.example.listviewarraydemo;

 import android.app.Activity;
 import android.os.Bundle;
 import android.widget.ArrayAdapter;
 import android.widget.ListView;

 public class MainActivity extends Activity {

     private ListView listView = null;
     private ListView listView_two = null;
     private ListView listView_three = null;
     private ListView listView_four = null;
     ArrayAdapter<String> adapter1;
     ArrayAdapter<String> adapter2;
     ArrayAdapter<String> adapter3;
     ArrayAdapter<String> adapter4;
     private static final String[] strs = {"one item","two item","three item","four item"};
     private static final String[] strs_two = {"1111","2222","3333","4444"};
     private static final String[] strs_three = {"AAAA","BBBB","CCCC","DDDD"};
     private static final String[] strs_four = {"yuwen","shuxue","yingyu","tiyu"};
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);

         listView = (ListView)findViewById(R.id.lv1);
         listView_two = (ListView)findViewById(R.id.lv2);
         listView_three = (ListView)findViewById(R.id.lv3);
         listView_four = (ListView)findViewById(R.id.lv4);

         adapter1 = new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,strs);
         adapter2 = new ArrayAdapter<String>(this,android.R.layout.simple_list_item_checked,strs_two);
         adapter3 = new ArrayAdapter<String>(this,android.R.layout.simple_list_item_multiple_choice,strs_three);
         adapter4 = new ArrayAdapter<String>(this,android.R.layout.simple_list_item_single_choice,strs_four);

         listView.setAdapter(adapter1);
         listView_two.setAdapter(adapter2);
         listView_two.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
         listView_three.setAdapter(adapter3);
         listView_three.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
         listView_four.setAdapter(adapter4);
         listView_four.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
     }

 }

一些代码说明：

ListView自身带了单选、多选模式，可通过listview.setChoiceMode来设置：
listview.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);//开启多选模式
listview.setChoiceMode(ListView.CHOICE_MODE_SINGLE);//开启单选模式

运行效果：

至于ListView与SimpleAdapter使用可以参考这里：http://www.cnblogs.com/benchao/p/5213005.html