[UPDATE]
我已添加onCreateView但现在我收到此错误：
07-03 14:39:36.878: E/AndroidRuntime(30913): FATAL EXCEPTION: main
07-03 14:39:36.878: E/AndroidRuntime(30913): java.lang.RuntimeException: Content has view with id attribute 'android.R.id.list' that is not a ListView class
07-03 14:39:36.878: E/AndroidRuntime(30913): at android.app.ListFragment.ensureList(ListFragment.java:402)
07-03 14:39:36.878: E/AndroidRuntime(30913): at android.app.ListFragment.onViewCreated(ListFragment.java:203)
07-03 14:39:36.878: E/AndroidRuntime(30913): at com.rss.alsace.AlsaceNewsFragment.onViewCreated(AlsaceNewsFragment.java:68)
07-03 14:39:36.878: E/AndroidRuntime(30913): at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:843)
07-03 14:39:36.878: E/AndroidRuntime(30913): at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1035)
07-03 14:39:36.878: E/AndroidRuntime(30913): at android.app.BackStackRecord.run(BackStackRecord.java:635)
07-03 14:39:36.878: E/AndroidRuntime(30913): at android.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1399)
07-03 14:39:36.878: E/AndroidRuntime(30913): at android.app.FragmentManagerImpl$1.run(FragmentManager.java:426)
07-03 14:39:36.878: E/AndroidRuntime(30913): at android.os.Handler.handleCallback(Handler.java:615)
07-03 14:39:36.878: E/AndroidRuntime(30913): at android.os.Handler.dispatchMessage(Handler.java:92)
07-03 14:39:36.878: E/AndroidRuntime(30913): at android.os.Looper.loop(Looper.java:137)
07-03 14:39:36.878: E/AndroidRuntime(30913): at android.app.ActivityThread.main(ActivityThread.java:4921)
07-03 14:39:36.878: E/AndroidRuntime(30913): at java.lang.reflect.Method.invokeNative(Native Method)
07-03 14:39:36.878: E/AndroidRuntime(30913): at java.lang.reflect.Method.invoke(Method.java:511)
07-03 14:39:36.878: E/AndroidRuntime(30913): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1038)
07-03 14:39:36.878: E/AndroidRuntime(30913): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:805)
07-03 14:39:36.878: E/AndroidRuntime(30913): at dalvik.system.NativeStart.main(Native Method)
我尝试在我的Android应用中集成 ActionBar-PullToRefresh库（https://github.com/chrisbanes/ActionBar-PullToRefresh）。
我的应用程序是使用左侧的菜单（导航抽屉）构建的。当用户在菜单中选择一个项目时，我的应用程序的主面板上会显示一个片段。
每个片段都扩展了ListFragment。我今天尝试在这些片段中集成ActionBar-PullToRefresh。
离开库的documentation，我必须将这些行整合到onCreateView 中：
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout
View view = inflater.inflate(R.layout.layout_fragment, container, false);
// The ScrollView is what we'll be listening to for refresh starts
ScrollView scrollView = (ScrollView) view.findViewById(R.id.ptr_scrollview);
// Now get the PullToRefresh attacher from the Activity. An exercise to the reader
// is to create an implicit interface instead of casting to the concrete Activity
mPullToRefreshAttacher = ((FragmentTabsActivity) getActivity())
.getPullToRefreshAttacher();
// Now set the ScrollView as the refreshable view, and the refresh listener (this)
mPullToRefreshAttacher.setRefreshableView(scrollView, this);
// Set title in Fragment for display purposes.
TextView title = (TextView) view.findViewById(R.id.tv_title);
title.setText(mTitle);
return view;
}
问题是在我的类ListFragment中，我只有onCreate方法。
我可以使用什么来集成onCreateView方法？
以下是我班级的完整代码：
package com.rss.alsace;
import uk.co.senab.actionbarpulltorefresh.library.PullToRefreshAttacher;
import com.rss.utils.WebBrowserViewActivity;
import android.app.ListFragment;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.ListView;
public class AlsaceNewsFragment extends ListFragment implements PullToRefreshAttacher.OnRefreshListener {
private static final String STATE_ACTIVATED_POSITION = "activated_position";
//private List<String> item = new ArrayList<String>();
private int mActivatedPosition = ListView.INVALID_POSITION;
private RssServiceAlsace rssService;
private static final String URL_LALSACE = "http://www.lalsace.fr/actualite/alsace/rss";
private PullToRefreshAttacher mPullToRefreshAttacher;
public AlsaceNewsFragment() {
// Empty constructor required for fragment subclasses
}
// Allow Activity to pass us it's PullToRefreshAttacher
void setPullToRefreshAttacher(PullToRefreshAttacher attacher) {
mPullToRefreshAttacher = attacher;
}
public void onRefreshStarted(View view) {
/**
* Simulate Refresh with 4 seconds sleep
*/
new AsyncTask<Void, Void, Void>() {
@Override
protected Void doInBackground(Void... params) {
refreshList();
return null;
}
@Override
protected void onPostExecute(Void result) {
super.onPostExecute(result);
// Notify PullToRefreshAttacher that the refresh has finished
mPullToRefreshAttacher.setRefreshComplete();
}
}.execute();
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
refreshList();
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
if (savedInstanceState != null && savedInstanceState.containsKey(STATE_ACTIVATED_POSITION)) {
setActivatedPosition(savedInstanceState.getInt(STATE_ACTIVATED_POSITION));
}
}
public void setActivatedPosition(int position) {
if (position == ListView.INVALID_POSITION) {
getListView().setItemChecked(mActivatedPosition, false);
} else {
getListView().setItemChecked(position, true);
}
mActivatedPosition = position;
}
private void refreshList(){
rssService = new RssServiceAlsace(this);
rssService.execute(URL_LALSACE);
}
@Override
public void onListItemClick(ListView l, View v, int position, long id) {
// Do something with the data
Log.d("DernieresNewsFragment", "Item cliqué ! Position=" +position);
Intent intent = new Intent(getActivity(), WebBrowserViewActivity.class);
ArticleAlsace article = (ArticleAlsace) this.getListAdapter().getItem(position);
Log.d("DernieresNewsFragment", "Url chargée=" +article.getUrl());
intent.putExtra("URL", article.getUrl());
startActivity(intent);
}
}
答案 0 :(得分：1)
onCreateView()用于示例应用，因为它使用的是片段。您不必在Activity中使用它。请参阅usage section of the readme file - 它显示了如何在活动的onCreate()中使用它。