package com.example1.listviewpracticvce; 
/* 
 * 本例子實(shí)現(xiàn)的功能: 
 * 用listview顯示給定的一個(gè)靜態(tài)數(shù)組，數(shù)組定義在string.xml中攻或者activity中 
 */ 
 
import android.net.sip.SipAudioCall.Listener; 
import android.os.Bundle; 
 
import android.app.ListActivity; 
import android.view.View; 
import android.widget.AdapterView; 
import android.widget.AdapterView.OnItemClickListener; 
import android.widget.ArrayAdapter; 
import android.widget.ListView; 
import android.widget.TextView; 
import android.widget.Toast; 
 
public class MainActivity extends ListActivity {//也可以用activity 
//static final String[] CONTENT={"china","america","russia","japan"}; 
// String[] countries = getResources().getStringArray(R.array.countries_array); 
// 數(shù)據(jù)類型是不能放在public里的，必須話oncreate里面!! 
  @Override 
  protected void onCreate(Bundle savedInstanceState) { 
    String[] countries = getResources().getStringArray(R.array.countries_array); 
    // setContentView(R.layout.main);  extends ListActivity后就注意這里不用這條語句 
    super.onCreate(savedInstanceState);   
    //這種方法將數(shù)組存放在values/string.xml里面，顯得不亂，但是如果數(shù)據(jù)來源于網(wǎng)絡(luò)就不好了 
//   setListAdapter(new ArrayAdapter<String>(this, R.layout.list_item, COUNTRIES)); 
    //adapter有好幾種，處理數(shù)據(jù)庫用cursoradapter 
    //只有activity extends listactivity才能用setListAdapter 
    setListAdapter(new ArrayAdapter<String>(this, R.layout.list_item,countries)); 
//   綁定數(shù)組                                          context   每一行顯示的布局     數(shù)組文件 
    //setListAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1,CONTENT)); 
    ListView lV = getListView(); 
      //當(dāng)你遵循了listview的這些規(guī)則后，用這條語句就能自動(dòng)獲取listview 
      //listview的規(guī)則有: 
      //（1）activity extends listactivity(不必須) 
      //(2)view必須包含五個(gè)listview對(duì)象，并且id這樣命名:"","@id/android:list",當(dāng)沒有l(wèi)istview的內(nèi)容時(shí)可以用"@id/android:empty"來顯示其它信息 
      //(3)當(dāng)listview比較簡單時(shí)可以不用自己定義list_item，它給我們提供了一個(gè)定義好的:android.R.layout.simple_list_item_1只有遵循了(2)才行 
       
    lV.setTextFilterEnabled(true); 
    //點(diǎn)擊事件最好直接copy，我試了下寫new listener居然是不能顯示的 
    lV.setOnItemClickListener(new OnItemClickListener() { 
      public void onItemClick(AdapterView<?> parent, View view, int position,long id) { 
        Toast.makeText(getApplicationContext(), ((TextView)view).getText(), Toast.LENGTH_SHORT).show(); 
      }   
    }); 
     
  }  
} 

<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" 
  android:paddingBottom="@dimen/activity_vertical_margin" 
  android:paddingLeft="@dimen/activity_horizontal_margin" 
  android:paddingRight="@dimen/activity_horizontal_margin" 
  android:paddingTop="@dimen/activity_vertical_margin" 
  tools:context=".MainActivity" > 
 
  <TextView 
    android:id="@+id/hello" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:text="@string/hello_world" /> 
 
  <ListView 
    android:id="@android:id/list" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" /> 
 
</RelativeLayout> 

<?xml version="1.0" encoding="utf-8"?> 
<TextView xmlns:android="http://schemas.android.com/apk/res/android" 
  android:layout_width="fill_parent" 
  android:layout_height="fill_parent" 
  android:padding="10dp" 
  android:textSize="16sp" > 
</TextView> 

<?xml version="1.0" encoding="utf-8"?> 
<resources> 
 
  <string name="app_name">28.ListViewPracticvce</string> 
  <string name="action_settings">Settings</string> 
  <string name="hello_world">Hello world!</string> 
  <string-array name="countries_array"> 
    <item>Bahrain</item> 
    <item>Bangladesh</item> 
    <item>Barbados</item> 
    <item>Belarus</item> 
    <item>Belgium</item> 
    <item>Belize</item> 
    <item>Benin</item> 
  </string-array> 
 
</resources>