我有一個使用帶有選項卡的ActionBar的SherlockFragmentActivity。其中一個選項卡是SherlockFragment,其中包含一個包含片段的佈局文件。首次顯示該標籤時,一切都很棒。如果我切換到另一個選項卡,然後回到那個標籤,我得到一個崩潰:包含片段的ActionBar選項卡重新顯示時崩潰
02-21 10:25:10.077: E/AndroidRuntime(3916): Caused by: java.lang.IllegalArgumentException: Binary XML file line #29: Duplicate id 0x7f06006e, tag null, or parent id 0x0 with another fragment for com.nexapps.myq.fragments.TitleInfo 02-21 10:25:10.077: E/AndroidRuntime(3916): at android.support.v4.app.FragmentActivity.onCreateView(FragmentActivity.java:275) 02-21 10:25:10.077: E/AndroidRuntime(3916): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:676) 02-21 10:25:10.077: E/AndroidRuntime(3916): ... 21 more
我的主要活動:
public class TitleActivity extends SherlockFragmentActivity {
@Override
public void onCreate(Bundle savedInstanceState) {
...
actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
...
Tab tab = actionBar.newTab().setText(R.string.details);
tab.setTabListener(new TabListener<TitleDetailsFragment>(this, "details", TitleDetailsFragment.class));
actionBar.addTab(tab);
}
}
選項卡監聽器: 公共類TabListener實現com.actionbarsherlock。 app.ActionBar.TabListener {0}私人片段mFragment; private final Activity mActivity; private final String mTag; private final Class mClass;
public TabListener(Activity activity, String tag, Class<T> cls) {
mActivity = activity;
mTag = tag;
mClass = cls;
}
public TabListener(Activity activity, String tag, Class<T> clz, Fragment fragment) {
mActivity = activity;
mTag = tag;
mClass = clz;
mFragment = fragment;
}
public void onTabSelected(Tab tab, FragmentTransaction ft) {
if (mFragment == null) {
mFragment = Fragment.instantiate(mActivity, mClass.getName());
ft.add(android.R.id.content, mFragment, mTag);
} else {
ft.attach(mFragment);
}
TabChangeInterface tci = (TabChangeInterface) mActivity;
if (tci != null) {
tci.tabSelect(mTag);
}
}
public void onTabUnselected(Tab tab, FragmentTransaction ft) {
if (mFragment != null) {
ft.detach(mFragment);
}
}
public void onTabReselected(Tab tab, FragmentTransaction ft) {
}
}
我的標籤片段:
public class TitleDetailsFragment extends SherlockFragment {
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.activity_title, container, false);
return view;
}
}
R.layout.activity_title:
<fragment
android:id="@+id/info"
android:name="foo.TitleInfo"
...
我可以刪除ID(其中修復該問題),但這些幫助隨着狀態的變化。有關如何保持ID並解決問題的任何想法?
這個答案實際上是不正確的。這些標籤在技術上屬於操作欄的一部分。這些片段是完全獨立的,除非您通過製作片段選項卡來創建自己的自定義選項卡。此外,你可以將碎片嵌入碎片,但它確實使事情成爲PITA。 – Matt 2013-02-22 03:17:00