ListView с использованием Layout Infleter в Android
Я пытаюсь сделать List View, но я получаю следующую ошибку, может кто-нибудь сказать мне, что не так с моим кодом.
поэтому, пожалуйста, помогите мне.
09-28 10:52:28.918: ОШИБКА /AndroidRuntime(383): вызвано: java.lang.RuntimeException: у вашего контента должен быть ListView с атрибутом id 'android.R.id.list' 09-28 10:52:28.918: ОШИБКА /AndroidRuntime(383): на android.app.ListActivity.onContentChanged(ListActivity.java:245) 09-28 10:52:28.918: ОШИБКА /AndroidRuntime(383): на com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:201) 09-28 10:52:28.918: ОШИБКА /AndroidRuntime(383): в android.app.Activity.setContentView(Activity.java:1647) 09-28 10:52:28.918: ОШИБКА /AndroidRuntime(383): в com.unundoinc.FaceBook.Activity.NewsFeedActivity.onCreate(NewsFeedActivity.java:51) 09-28 10:52:28.918: ОШИБКА /AndroidRuntime(383): в android.app.Инструментация.callActivityOnCreate(Instrumentation.java:1047) 09-28 10:52:28.918: ОШИБКА /AndroidRuntime(383): в android.app.ActivityThread.performLaunchActivity (ActivityThread.java:2627)
** * ** Это мой XML-файл, который содержит просмотр списка ** * ** * *
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/newsfeedactivity" android:orientation="horizontal"
android:layout_width="fill_parent" android:layout_height="fill_parent">
<ListView android:id="@+id/list" android:layout_width="wrap_content"
android:layout_height="wrap_content">
</ListView>
</LinearLayout>
** * ** * *** ЭТО МОЙ.JAVA ФАЙЛ ** * ** * ** * ** * ** *
public class NewsFeedActivity extends ListActivity
{
public ArrayList<UserDetail> mData ;
private ListView feedbookListView;
OAuth oauth = new OAuth();
public static final String TAG = "NewsFeedActivity";
public static final String FaceBookURL = "http://graph.facebook.com/";
private ListAdapter objListAdapter;
private TextView textMessage = null;
private ImageView backThumbnail = null;
private ImageView urlThumbnail = null;
private String access_token = "";
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstance)
{
super.onCreate(savedInstance);
access_token = getIntent().getExtras().getString("ACCESS_TOKEN");
setContentView(R.layout.newsfeedactivity);
// Setting Context of the ThumbnailManager
ThumbnailManager.context = this;
feedbookListView = (ListView) findViewById(R.id.list);
textMessage = (TextView)findViewById(R.id.facebook_text);
mData = new ArrayList<UserDetail>();
this.objListAdapter = new ListAdapter(this, R.layout.newsfeedactivitycell, mData);
setListAdapter(objListAdapter);
onComplete();
}
//////////////////////////////////////////////////////////////////////////////
public void onComplete()
{
Bundle parameters = new Bundle();
String response = null;
/*Inserts a String value into the mapping of this Bundle,
replacing any existing value for the given key. Either key or value may be null.
*/
parameters.putString("access_token", access_token);
//parameters.putString("method", "platform/posts");
Log.v(TAG, "PARAMETERS :: "+parameters);
try
{
response = oauth.request( "platform/posts" , parameters);
android.util.Log.v(TAG, "RESPONSE :: " + response );
}
catch (MalformedURLException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
catch (IOException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
/**
* To parse the FeedBook using JSON parsing
*/
try
{
JSONObject temp = new JSONObject(response);
JSONArray arrayOfJsonObjs = temp.getJSONArray("data");
Log.v(TAG, "ARRAY SIZE :: " + arrayOfJsonObjs.length());
UserDetail objUserDetail = new UserDetail();
for(int i = 0; i< arrayOfJsonObjs.length(); i++)
{
try
{
JSONObject objFromArr = arrayOfJsonObjs.getJSONObject(i);
JSONObject objFromObj = objFromArr.getJSONObject("from");
if(objFromObj.has("id") == true)
{
objUserDetail.setUserId(objFromObj.getString("id"));
}
else
{
objUserDetail.setUserId("");
}
if(objFromObj.has("name") == true)
{
objUserDetail.setUserName(objFromObj.getString("name"));
}
else
{
objUserDetail.setUserName("");
}
if(objFromArr.has("picture") == true)
{
objUserDetail.setUserStatusImage(objFromArr.getString("picture"));
}
else
{
objUserDetail.setUserStatusImage("");
}
if(objFromArr.has("caption") == true)
{
objUserDetail.setUserStatus(objFromArr.getString("caption"));
}
else
{
objUserDetail.setUserStatus("");
}
objUserDetail.setUserProfileImageUrl
(FaceBookURL+
objUserDetail.getUserId()+
"/picture"
);
Log.v
(
TAG,
//" Array Of Json Objects : [" + i+"] is::" + arrayOfJsonObjs.getJSONObject(i)
//"ICON URL ["+i+"] is ::"+objFromArr.getString("icon")
"OBJECT ["+i+"]"+ "\n"+
"Picture URL is ::"+objUserDetail.getUserStatusImage() + "\n"+
"This is your id :: "+objUserDetail.getUserId()+ "\n"+
"This is your name ::"+objUserDetail.getUserName()+ "\n"+
"This is Status Message ::"+objUserDetail.getUserStatus()+ "\n"+
"Profile picture image URL is ::"+objUserDetail.getUserProfileImageUrl()
);
}
catch (JSONException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
catch (JSONException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
}
////////////////////////////////////////////////////////////////////////////
public class ListAdapter extends ArrayAdapter<UserDetail>
{
LayoutInflater inflater;
private ThumbnailManager objThumbnailManager = new ThumbnailManager();
private ArrayList<UserDetail> items;
//private Bitmap back = null;
//private Bitmap type = null;
public ListAdapter(Activity context, int textViewResourceId,ArrayList<UserDetail> items)
{
super(context, textViewResourceId, items);
this.items = items;
}
@Override
public View getView(int position, View convertView, ViewGroup parent)
{
//View row = inflater.inflate(R.layout.newsfeedactivitycell, null);
View objView= convertView;
if (objView == null)
{
LayoutInflater vi = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);
objView = vi.inflate(R.layout.newsfeedactivitycell, null);
}
UserDetail objUserDetail = items.get(position);
if (objUserDetail != null)
{
textMessage = (TextView)findViewById(R.id.facebook_text);
if(textMessage != null)
{
textMessage.setText("StatusMessage: "+ objUserDetail.getUserStatus());
}
}
return objView;
// textMessage = (TextView) row.findViewById(R.id.facebook_text); //id
// //backThumbnail = (ImageView) row.findViewById(R.id.facebook_thumbnail); //drawable
// textMessage.setText(objListAdapter.getItem(position).getUserStatus());
}
}
}
1 ответ
Изменить идентификатор вашего списка на android:id="@android:id/list" и это должно предотвратить исключение у вас есть