android中ListView介绍,几写没写例子，今天看了视频。就写了以下的代码

        
            
            
            
            
            
            
            
packagecom.smart; 
            
            
importandroid.app.Activity; 
            
importandroid.content.Intent; 
            
importandroid.os.Bundle; 
            
importandroid.view.View; 
            
importandroid.view.View.OnClickListener; 
            
importandroid.widget.Button; 
            
            
publicclassActivityMainextendsActivity{ 
            
            
OnClickListenerlistener1=null; 
            
OnClickListenerlistener2=null; 
            
OnClickListenerlistener3=null; 
            
OnClickListenerlistener4=null; 
            
Buttonbutton1; 
            
            
Buttonbutton2; 
            
Buttonbutton3; 
            
Buttonbutton4; 
            
            
@Override
            
publicvoidonCreate(BundlesavedInstanceState){ 
            
super.onCreate(savedInstanceState); 
            
setContentView(R.layout.main); 
            
 
            
perpareListeners(); 
            
button1=(Button)findViewById(R.id.button1); 
            
button1.setOnClickListener(listener1); 
            
button2=(Button)findViewById(R.id.button2); 
            
button2.setOnClickListener(listener2); 
            
button3=(Button)findViewById(R.id.button3); 
            
button3.setOnClickListener(listener3); 
            
button4=(Button)findViewById(R.id.button4); 
            
button4.setOnClickListener(listener4); 
            
 
            
//button1.setText(resid); 
            
//button1.setBackgroundColor(color) 
            
} 
            
//全部进行实例化,并且根据点击进去的方法 
            
privatevoidperpareListeners(){ 
            
listener1=newOnClickListener(){ 
            
            
@Override
            
publicvoidonClick(Viewv){ 
            
Intentintent1=newIntent(ActivityMain.this,ActivtityList1.class); 
            
startActivity(intent1); 
            
} 
            
}; 
            
            
listener2=newOnClickListener(){ 
            
            
@Override
            
publicvoidonClick(Viewv){ 
            
Intentintent2=newIntent(ActivityMain.this,ActivtityList2.class); 
            
startActivity(intent2); 
            
} 
            
}; 
            
            
 
            
listener3=newOnClickListener(){ 
            
            
@Override
            
publicvoidonClick(Viewv){ 
            
Intentintent3=newIntent(ActivityMain.this,ActivtityList3.class); 
            
startActivity(intent3); 
            
} 
            
}; 
            
listener4=newOnClickListener(){ 
            
            
@Override
            
publicvoidonClick(Viewv){ 
            
Intentintent4=newIntent(ActivityMain.this,ActivtityList4.class); 
            
startActivity(intent4); 
            
} 
            
}; 
            
} 
            
            
} 
            
            
            
            
packagecom.smart; 
            
            
importandroid.app.Activity; 
            
importandroid.os.Bundle; 
            
importandroid.widget.ArrayAdapter; 
            
importandroid.widget.ListView; 
            
            
publicclassActivtityList1extendsActivity{ 
            
ListViewlistView; 
            
//数据列表 
            
privateString[]data={"0号","1号","3号","3号","4号","5号"}; 
            
            
@Override
            
publicvoidonCreate(BundlesavedInstanceState){ 
            
super.onCreate(savedInstanceState); 
            
listView=newListView(this); 
            
listView.setAdapter(newArrayAdapter<String>(this,android.R.layout.simple_list_item_single_choice,data)); 
            
//listView.setAdapter(newArrayAdapter<String>(this,android.R.layout.simple_list_item_1,data)); 
            
listView.setItemsCanFocus(true); 
            
listView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);//多选 
            
setContentView(listView);//显示 
            
 
            
} 
            
 
            
 
            
 
            
} 
            
packagecom.smart; 
            
            
importjava.util.ArrayList; 
            
importjava.util.HashMap; 
            
importjava.util.Map; 
            
            
importandroid.app.Activity; 
            
importandroid.os.Bundle; 
            
importandroid.view.View; 
            
importandroid.widget.AdapterView; 
            
importandroid.widget.AdapterView.OnItemClickListener; 
            
importandroid.widget.ListView; 
            
importandroid.widget.SimpleAdapter; 
            
            
publicclassActivtityList2extendsActivity{ 
            
            
privateArrayList<Map<String,Object>>data; 
            
privateListViewlistView=null; 
            
//数据列表 
            
@Override
            
publicvoidonCreate(BundlesavedInstanceState){ 
            
super.onCreate(savedInstanceState); 
            
            
prepareData(); 
            
listView=newListView(this); 
            
 
            
SimpleAdapteradapter=newSimpleAdapter(this,data, 
            
android.R.layout.simple_list_item_1, 
            
newString[]{"姓名","性别"},newint[]{android.R.id.text1 
            
}); 
            
 
            
//下面为显示的效果 
            
//SimpleAdapteradapter=newSimpleAdapter(this,data, 
            
//android.R.layout.simple_list_item_2, 
            
//newString[]{"姓名","性别"},newint[]{android.R.id.text1, 
            
//android.R.id.text2}); 
            
            
//SimpleAdapteradapter=newSimpleAdapter(this,data,R.layout.list1, 
            
//newString[]{"姓名","性别"},newint[]{R.id.mview1, 
            
//R.id.mview2}); 
            
listView.setAdapter(adapter); 
            
setContentView(listView); 
            
            
OnItemClickListenerlistener=newOnItemClickListener(){ 
            
            
@Override
            
publicvoidonItemClick(AdapterView<?>parent,Viewv, 
            
intposition,longid){ 
            
//标题的选择显示 
            
setTitle(parent.getItemAtPosition(position).toString()); 
            
            
} 
            
            
}; 
            
listView.setOnItemClickListener(listener); 
            
} 
            
//增加数据 
            
publicvoidprepareData(){ 
            
data=newArrayList<Map<String,Object>>(); 
            
            
Map<String,Object>item; 
            
item=newHashMap<String,Object>(); 
            
item.put("姓名","SMART"); 
            
item.put("性别","男"); 
            
data.add(item); 
            
            
item=newHashMap<String,Object>(); 
            
item.put("姓名","SMART2"); 
            
item.put("性别","男"); 
            
data.add(item); 
            
            
item=newHashMap<String,Object>(); 
            
item.put("姓名","SMART3"); 
            
item.put("性别","女"); 
            
data.add(item); 
            
} 
            
            
} 
            
packagecom.smart; 
            
            
importandroid.app.ListActivity; 
            
importandroid.os.Bundle; 
            
importandroid.view.View; 
            
importandroid.widget.ArrayAdapter; 
            
importandroid.widget.ListView; 
            
            
publicclassActivtityList3extendsListActivity{ 
            
privateString[]data={}; 
            
 
            
 
            
@Override
            
publicvoidonCreate(BundlesavedInstanceState){ 
            
super.onCreate(savedInstanceState); 
            
setContentView(R.layout.list3); 
            
setListAdapter(newArrayAdapter<String>(this,android.R.layout.simple_list_item_1,data)); 
            
 
            
 
            
} 
            
            
            
@Override
            
protectedvoidonListItemClick(ListViewlistView,Viewv,intposition,longid){ 
            
super.onListItemClick(listView,v,position,id); 
            
 
            
setTitle(listView.getItemAtPosition(position).toString()); 
            
} 
            
 
            
 
            
} 
            
            
            
packagecom.smart; 
            
            
importandroid.app.Activity; 
            
importandroid.os.Bundle; 
            
importandroid.view.View; 
            
importandroid.widget.AdapterView; 
            
importandroid.widget.ArrayAdapter; 
            
importandroid.widget.ListView; 
            
importandroid.widget.AdapterView.OnItemSelectedListener; 
            
            
publicclassActivtityList4extendsActivity{ 
            
ListViewlistView; 
            
privateString[]data={"0号","1号","3号","3号","4号","5号"}; 
            
            
            
@Override
            
publicvoidonCreate(BundlesavedInstanceState){ 
            
            
super.onCreate(savedInstanceState); 
            
listView=newListView(this); 
            
listView.setAdapter(newArrayAdapter<String>(this, 
            
android.R.layout.simple_list_item_1,data)); 
            
setContentView(listView); 
            
OnItemSelectedListeneritemSelectedListener=newOnItemSelectedListener(){ 
            
            
@Override
            
publicvoidonItemSelected(AdapterView<?>parent,Viewv, 
            
intposition,longarg3){ 
            
setTitle("您先中的软件是:"+parent.getItemAtPosition(position).toString()); 
            
} 
            
            
@Override
            
publicvoidonNothingSelected(AdapterView<?>arg0){ 
            
setTitle(""); 
            
} 
            
}; 
            
listView.setOnItemSelectedListener(itemSelectedListener); 
            
} 
            
} 
            
<?xmlversion="1.0"encoding="utf-8"?> 
            
<LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"
            
android:orientation="vertical"
            
android:layout_width="fill_parent"
            
android:layout_height="fill_parent"
            
> 
            
 
            
<Button 
            
android:id="@+id/button1"
            
android:layout_width="fill_parent"
            
android:layout_height="wrap_content"
            
android:text="列表一"
            
/> 
            
 
            
 
            
<Button 
            
android:id="@+id/button2"
            
android:layout_width="fill_parent"
            
android:layout_height="wrap_content"
            
android:text="列表二"
            
/> 
            
 
            
 
            
 
            
<Button 
            
android:id="@+id/button3"
            
android:layout_width="fill_parent"
            
android:layout_height="wrap_content"
            
android:text="列表三"
            
/> 
            
 
            
 
            
 
            
<Button 
            
android:id="@+id/button4"
            
android:layout_width="fill_parent"
            
android:layout_height="wrap_content"
            
android:text="列表四"
            
/> 
            
 
            
</LinearLayout> 
            
<?xmlversion="1.0"encoding="utf-8"?> 
            
<LinearLayout 
            
xmlns:android="http://schemas.android.com/apk/res/android"
            
android:orientation="horizontal"
            
android:layout_width="fill_parent"
            
android:layout_height="wrap_content"> 
            
 
            
 
            
<TextView 
            
android:id="@+id/mview1"
            
android:layout_width="100px"
            
android:layout_height="wrap_content"
            
/> 
            
 
            
<TextView 
            
android:id="@+id/mview2"
            
android:layout_width="wrap_content"
            
android:layout_height="wrap_content"
            
/> 
            
 
            
 
            
</LinearLayout> 
            
<?xmlversion="1.0"encoding="utf-8"?> 
            
<LinearLayout 
            
xmlns:android="http://schemas.android.com/apk/res/android"
            
android:layout_width="wrap_content"
            
android:layout_height="wrap_content"> 
            
<ListView 
            
android:id="@id/android:list"
            
android:layout_width="fill_parent"
            
android:layout_height="fill_parent"
            
 
            
/> 
            
<TextView 
            
android:id="@id/android:empty"
            
android:layout_width="wrap_content"
            
android:layout_height="wrap_content"
            
android:text="对不起，没有数据显示"
            
/> 
            
 
            
 
            
</LinearLayout> 
            
            
            
            
        

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