Android编程开发中ListView的常见用法分析

<?xml version="1.0" encoding="utf-8"?> 
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
 android:layout_width="fill_parent" 
 android:layout_height="fill_parent" 
 android:orientation="vertical" > 
 <ListView 
  android:id="@+id/mylistview" 
  android:layout_width="fill_parent" 
  android:layout_height="fill_parent" > 
 </ListView> 
</LinearLayout>

package com.blogtest; 
import android.app.Activity; 
import android.os.Bundle; 
import android.widget.ArrayAdapter; 
import android.widget.ListView; 
public class ListViewTestActivity extends Activity { 
 private static String[] strs = new String[] { "1", "2", "3", "4", "5" };//定义要显示的数据 
 private ListView myListView; 
 /** Called when the activity is first created. */ 
 @Override 
 public void onCreate(Bundle savedInstanceState) { 
  super.onCreate(savedInstanceState); 
  setContentView(R.layout.listviewtest); 
  findWidgets(); 
  setAdapter(); 
 } 
 private void findWidgets() { 
  myListView = (ListView) findViewById(R.id.mylistview); 
 } 
 private void setAdapter() { 
  myListView.setAdapter(new ArrayAdapter<String>(this,  //此例中用的是ArrayAdapter 
    android.R.layout.simple_list_item_1, strs));//使用系统自带的布局文件 
 } 
}

private void setAdapter() { 
  myListView.setAdapter(new ArrayAdapter<String>(this, 
    android.R.layout.simple_list_item_multiple_choice, strs)); 
  myListView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE); 
}

package com.blogtest; 
import android.app.Activity; 
import android.app.AlertDialog; 
import android.os.Bundle; 
import android.view.View; 
import android.widget.AdapterView; 
import android.widget.AdapterView.OnItemClickListener; 
import android.widget.ArrayAdapter; 
import android.widget.ListView; 
public class ListViewTestActivity extends Activity { 
 private static String[] strs = new String[] { "0", "1","2", "3", "4", "5" }; 
 private ListView myListView; 
 /** Called when the activity is first created. */ 
 @Override 
 public void onCreate(Bundle savedInstanceState) { 
  super.onCreate(savedInstanceState); 
  setContentView(R.layout.main); 
  findWidgets(); 
  setAdapter(); 
  setListener(); 
 } 
 private void findWidgets() { 
  myListView = (ListView) findViewById(R.id.mylistview); 
 } 
 private void setAdapter() { 
  myListView.setAdapter(new ArrayAdapter<String>(this, 
    android.R.layout.simple_list_item_1, strs)); 
 } 
 private void setListener() { 
  myListView.setOnItemClickListener(new OnItemClickListener() { 
   @Override 
   public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, 
     long arg3) { 
    // TODO Auto-generated method stub 
    new AlertDialog.Builder(ListViewTestActivity.this) 
      .setMessage("Clicked Line No." + arg2) 
      .setPositiveButton("Confirm", null).show(); 
   } 
  }); 
 }
}