Windows Phone 7 可以把它看成是Android 的 ListView ，WP7 只是預先在XAML里面為它的數據模板規定了格式，而Android 可以通過后期引入數據的方式為其添加數據模板。

　　Android 我們可以通過以下幾種方式為LISTVIEW 添加數據，用法極其簡單：

• 繼承ListActivity，使用SetListAdapter，參考下面的代碼。 setListAdapter(new?ArrayAdapter<String>(this,
  ????????????????android.R.layout.simple_list_item_1,?mStrings));

  ?

• 可自定義數據源，繼承BaseAdapter ，參考下面代碼。
  自定義數據源 ?private?class?SlowAdapter?extends?BaseAdapter?{
  ????????private?LayoutInflater?mInflater;
  ????????
  ????????public?SlowAdapter(Context?context)?{
  ????????????mContext?=?context;
  ????????????mInflater?=?(LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
  ????????}
  
  ????????/**
  ?????????*?The?number?of?items?in?the?list?is?determined?by?the?number?of?speeches
  ?????????*?in?our?array.
  ?????????*?
  ?????????*?@see?android.widget.ListAdapter#getCount()
  ?????????*/
  ????????public?int?getCount()?{
  ????????????return?mStrings.length;
  ????????}
  
  ????????/**
  ?????????*?Since?the?data?comes?from?an?array,?just?returning?the?index?is
  ?????????*?sufficent?to?get?at?the?data.?If?we?were?using?a?more?complex?data
  ?????????*?structure,?we?would?return?whatever?object?represents?one?row?in?the
  ?????????*?list.
  ?????????*?
  ?????????*?@see?android.widget.ListAdapter#getItem(int)
  ?????????*/
  ????????public?Object?getItem(int?position)?{
  ????????????return?position;
  ????????}
  
  ????????/**
  ?????????*?Use?the?array?index?as?a?unique?id.
  ?????????*?
  ?????????*?@see?android.widget.ListAdapter#getItemId(int)
  ?????????*/
  ????????public?long?getItemId(int?position)?{
  ????????????return?position;
  ????????}
  
  ????????/**
  ?????????*?Make?a?view?to?hold?each?row.
  ?????????*?
  ?????????*?@see?android.widget.ListAdapter#getView(int,?android.view.View,
  ?????????*??????android.view.ViewGroup)
  ?????????*/
  ????????public?View?getView(int?position,?View?convertView,?ViewGroup?parent)?{
  ????????????TextView?text;
  ????????????
  ????????????if?(convertView?==?null)?{
  ????????????????text?=?(TextView)mInflater.inflate(android.R.layout.simple_list_item_1,?parent,?false);
  ????????????}?else?{
  ????????????????text?=?(TextView)convertView;
  ????????????}
  
  ????????????if?(!mBusy)?{
  ????????????????text.setText(mStrings[position]);
  ????????????????//?Null?tag?means?the?view?has?the?correct?data
  ????????????????text.setTag(null);
  ????????????}?else?{
  ????????????????text.setText("Loading...");
  ????????????????//?Non-null?tag?means?the?view?still?needs?to?load?it's?data
  ????????????????text.setTag(this);
  ????????????}
  
  ????????????return?text;
  ????????}
  
  ????????/**
  ?????????*?Remember?our?context?so?we?can?use?it?when?constructing?views.
  ?????????*/
  ????????private?Context?mContext;
  ????}

  ?

• 由于Android 默認提供了多種自定義數據源的格式模板給我們，所以用起來非常方便有多種可供選擇：
  SimpleAdapter,SimpleCursorAdapter,ArrayAdapter<?>等，具體可在具體的項目上實施使用。

　　本篇將著重介紹WP7 的ListBox 一個我自認為非常簡單方便的數據綁定方法。并且通過Silverlight 特有的數據綁定方法在XAML綁定數據。本篇學習筆記將以一個呈現天氣列表的LISTBOX的例，效果如下：

?

實現這個功能我們需要編寫一個Model 己記錄這些實體信息，Model代碼如下：

?

public?class?weather
????{
????????public?string?Conditions?{?get;?set;?}
????????public?string?ImageUrl?{?get;?set;?}
????????public?string?Low?{?get;?set;?}
????????public?string?High?{?get;?set;?}
????????public?string?Location?{?get;?set;?}

????????public?weather(string?conditins,?string?imageurl,?string?low,?string?high,?string?location)
????????{
????????????this.Conditions?=?conditins;
????????????this.ImageUrl?=?imageurl;
????????????this.Low?=?low;
????????????this.High?=?high;
????????????this.Location?=?location;
????????}

????}

?

?

并且我們還需要一個類來做為ListBox 的數據源，前篇有講過數據綁定的一篇文章提到過ObservableCollection 不知道大家還有沒有印象，本篇就是使用這個數據集合來做ListBox 數據源，該類代碼如下：

?

?public?class?weathers:List<weather>
????{
????????private?const?string?imageUrl?=?"../images/";

????????public?weathers()
????????{
????????????BuildCollection();
????????}

????????public?ObservableCollection<weather>?DataCollection?{?get;?set;?}

????????public?ObservableCollection<weather>?BuildCollection()
????????{
????????????DataCollection?=?new?ObservableCollection<weather>();
????????????DataCollection.Add(new?weather("陰天",?imageUrl?+?"19n.png",?"10度",?"20度",?"廣州"));
????????????DataCollection.Add(new?weather("涼爽",?imageUrl?+?"23d.png",?"20度",?"25度",?"海南"));
????????????DataCollection.Add(new?weather("多云",?imageUrl?+?"26n.png",?"10度",?"18度",?"深圳"));
????????????DataCollection.Add(new?weather("晴轉多云",?imageUrl?+?"27d.png",?"20度",?"23度",?"三亞"));
????????????DataCollection.Add(new?weather("陰轉多云",?imageUrl?+?"27n.png",?"22度",?"23度",?"揭陽"));
????????????DataCollection.Add(new?weather("晴天",?imageUrl?+?"31d.png",?"22度",?"25度",?"汕頭"));
????????????return?DataCollection;
????????}
?


????}

?

實體類和數據源代碼編寫完成后，接下來打開mainPage.xaml，添加一個命名空間：

?

??xmlns:data="clr-namespace:ListBoxDatBind"

?

Tip:這里指定的是你的數據源所在的命名空間。

之后，添加一個頁面的資源KEY

?

<phone:PhoneApplicationPage.Resources>
????????<data:weathers?x:Key="weatherCollection"/>
????</phone:PhoneApplicationPage.Resources>

?

?

準備工作準備完成，為ListBox 綁定數據：

?

?<ListBox?????Name="listBox1"?
???????????????????????ItemsSource="{Binding?Source={StaticResource?weatherCollection},Path=DataCollection}">
????????????????<ListBox.ItemTemplate>
????????????????????<DataTemplate>
????????????????????????<StackPanel?Orientation="Horizontal">
????????????????????????????<Image??Source="{Binding?Path=ImageUrl}"/>
????????????????????????????<StackPanel?Orientation="Vertical">
????????????????????????????????<TextBlock??Text="{Binding?Conditions}"/>
????????????????????????????????<TextBlock??Text="{Binding?Low}"/>
????????????????????????????????<TextBlock??Text="{Binding?High}"/>
????????????????????????????????<TextBlock??Text="{Binding?Location}"/>
????????????????????????????</StackPanel>
????????????????????????</StackPanel>
????????????????????</DataTemplate>
????????????????</ListBox.ItemTemplate>
????????????</ListBox>

?

?

運行的效果如上圖。

個人覺得，要論數據綁定的話，還是Android 的 ListView 來得靈活一點，不過Wp 7 的數據綁定卻在微軟的封裝下來得方便許多。

?

源碼下載：

數據綁定

轉載于:https://www.cnblogs.com/TerryBlog/archive/2011/01/13/1934876.html

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