我有一个使用带有选项卡的ActionBar的SherlockFragmentActivity。其中一个选项卡是SherlockFragment,其中包含一个包含片段的布局文件。首次显示该标签时,一切都很棒。如果我切换到另一个选项卡,然后回到那个标签,我得到一个崩溃:包含片段的ActionBar选项卡重新显示时崩溃
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
我的主要活动:
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);
}
}
选项卡监听器: 公共类TabListener实现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) {
}
}
我的标签片段:
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"
...
我可以删除ID(其中修复该问题),但这些帮助随着状态的变化。有关如何保持ID并解决问题的任何想法?
这个答案实际上是不正确的。这些标签在技术上属于操作栏的一部分。这些片段是完全独立的,除非您通过制作片段选项卡来创建自己的自定义选项卡。此外,你可以将碎片嵌入碎片,但它确实使事情成为PITA。 – Matt 2013-02-22 03:17:00