2013-02-09 99 views
0

我正在使用一個活動,在該活動中,我添加了意見。Android類擴展listview錯誤

例如創建一個類擴展列表視圖, mycode的:

public class ListViewExample extends ListView{ 
     Context context; 
     ListView list; 

     public ListViewExample(Context context,String[] ListItems) { 
      super(context, null); 
      // TODO Auto-generated constructor stub 
      this.context=context; 
      this.ListItems=ListItems; 


      LayoutInflater layoutInflater = 
        (LayoutInflater)context.getSystemService 
        (Context.LAYOUT_INFLATER_SERVICE); 
      View view = layoutInflater.inflate(R.layout.list, this); 
     } 
    } 

得到這條線上的錯誤, 視圖視圖= layoutInflater.inflate(R.layout.list,本);

錯誤的logcat:

02-09 14:03:09.520: E/AndroidRuntime(11180): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.f1live.homepage/com.f1live.homepage.HomePage}: java.lang.UnsupportedOperationException: addView(View, LayoutParams) is not supported in AdapterView 
02-09 14:03:09.520: E/AndroidRuntime(11180): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2663) 
02-09 14:03:09.520: E/AndroidRuntime(11180): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679) 
02-09 14:03:09.520: E/AndroidRuntime(11180): at android.app.ActivityThread.access$2300(ActivityThread.java:125) 
02-09 14:03:09.520: E/AndroidRuntime(11180): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033) 
02-09 14:03:09.520: E/AndroidRuntime(11180): at android.os.Handler.dispatchMessage(Handler.java:99) 
02-09 14:03:09.520: E/AndroidRuntime(11180): at android.os.Looper.loop(Looper.java:123) 
02-09 14:03:09.520: E/AndroidRuntime(11180): at android.app.ActivityThread.main(ActivityThread.java:4627) 
02-09 14:03:09.520: E/AndroidRuntime(11180): at java.lang.reflect.Method.invokeNative(Native Method) 
02-09 14:03:09.520: E/AndroidRuntime(11180): at java.lang.reflect.Method.invoke(Method.java:521) 
02-09 14:03:09.520: E/AndroidRuntime(11180): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) 
02-09 14:03:09.520: E/AndroidRuntime(11180): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) 
02-09 14:03:09.520: E/AndroidRuntime(11180): at dalvik.system.NativeStart.main(Native Method) 
02-09 14:03:09.520: E/AndroidRuntime(11180): Caused by: java.lang.UnsupportedOperationException: addView(View, LayoutParams) is not supported in AdapterView 
02-09 14:03:09.520: E/AndroidRuntime(11180): at android.widget.AdapterView.addView(AdapterView.java:461) 
02-09 14:03:09.520: E/AndroidRuntime(11180): at android.view.LayoutInflater.inflate(LayoutInflater.java:415) 
02-09 14:03:09.520: E/AndroidRuntime(11180): at android.view.LayoutInflater.inflate(LayoutInflater.java:320) 
02-09 14:03:09.520: E/AndroidRuntime(11180): at android.view.LayoutInflater.inflate(LayoutInflater.java:276) 
02-09 14:03:09.520: E/AndroidRuntime(11180): at com.f1live.homepage.NewsListView.<init>(NewsListView.java:20) 
02-09 14:03:09.520: E/AndroidRuntime(11180): at com.f1live.homepage.HomePage.onCreate(HomePage.java:25) 
02-09 14:03:09.520: E/AndroidRuntime(11180): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 
02-09 14:03:09.520: E/AndroidRuntime(11180): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627) 

我很困惑,爲什麼我得到這個錯誤。告訴我這麼做的好方法。

+1

首先,你爲什麼這樣做使用'延伸ListView'?想要定義自定義適配器,即自定義ListView? – 2013-02-09 08:33:35

+0

在我的應用程序中有一些動畫,這只是我使用視圖,這個視圖添加到我的活動。 – Jeeva123 2013-02-09 09:11:30

回答

1
View view = layoutInflater.inflate(R.layout.list, null); 

試一下吧。該參數不帶上下文,它需要一個可選的父親ViewGroup。如果你不想使用它,通過null

1
LayoutInflater inflater = activity.getLayoutInflater(); 
view = inflater.inflate(R.layout.your_layout, null); 

通過延長

public class yourclass extends BaseAdapter 

這可能幫助你..