我有一个带有2个标签的tablayout。这是我在测试时所做的。 loding第一个标签，然后转到第二个标签，然后返回第一个标签。在这一点上我得到一个错误。但不知道如何解决它。我是这方面的初学者。我希望有人可以帮助我。
加载片段：https://www.dropbox.com/s/2zbmhisuwn0cezf/Screenshot_2014-12-29-17-00-27.png?dl=0 （所以在去约会后回到profiel，应用程序停止工作）
错误
12-29 16:41:25.959: E/AndroidRuntime(20992): FATAL EXCEPTION: main
12-29 16:41:25.959: E/AndroidRuntime(20992): Process: kb50.appointment, PID: 20992
12-29 16:41:25.959: E/AndroidRuntime(20992): android.view.InflateException: Binary XML file line #57: Error inflating class fragment
12-29 16:41:25.959: E/AndroidRuntime(20992): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:763)
12-29 16:41:25.959: E/AndroidRuntime(20992): at android.view.LayoutInflater.rInflate(LayoutInflater.java:806)
12-29 16:41:25.959: E/AndroidRuntime(20992): at android.view.LayoutInflater.rInflate(LayoutInflater.java:809)
12-29 16:41:25.959: E/AndroidRuntime(20992): at android.view.LayoutInflater.inflate(LayoutInflater.java:504)
12-29 16:41:25.959: E/AndroidRuntime(20992): at android.view.LayoutInflater.inflate(LayoutInflater.java:414)
12-29 16:41:25.959: E/AndroidRuntime(20992): at kb50.appointment.Profile.onCreateView(Profile.java:32)
12-29 16:41:25.959: E/AndroidRuntime(20992): at android.support.v4.app.Fragment.performCreateView(Fragment.java:1786)
12-29 16:41:25.959: E/AndroidRuntime(20992): at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:947)
12-29 16:41:25.959: E/AndroidRuntime(20992): at android.support.v4.app.FragmentManagerImpl.attachFragment(FragmentManager.java:1302)
12-29 16:41:25.959: E/AndroidRuntime(20992): at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:729)
12-29 16:41:25.959: E/AndroidRuntime(20992): at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1489)
12-29 16:41:25.959: E/AndroidRuntime(20992): at android.support.v4.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:486)
12-29 16:41:25.959: E/AndroidRuntime(20992): at kb50.appointment.TabLayout.onTabChanged(TabLayout.java:132)
12-29 16:41:25.959: E/AndroidRuntime(20992): at android.widget.TabHost.invokeOnTabChangeListener(TabHost.java:453)
12-29 16:41:25.959: E/AndroidRuntime(20992): at android.widget.TabHost.setCurrentTab(TabHost.java:438)
12-29 16:41:25.959: E/AndroidRuntime(20992): at android.widget.TabHost$2.onTabSelectionChanged(TabHost.java:161)
12-29 16:41:25.959: E/AndroidRuntime(20992): at android.widget.TabWidget$TabClickListener.onClick(TabWidget.java:549)
12-29 16:41:25.959: E/AndroidRuntime(20992): at android.view.View.performClick(View.java:4756)
12-29 16:41:25.959: E/AndroidRuntime(20992): at android.view.View$PerformClick.run(View.java:19749)
12-29 16:41:25.959: E/AndroidRuntime(20992): at android.os.Handler.handleCallback(Handler.java:739)
12-29 16:41:25.959: E/AndroidRuntime(20992): at android.os.Handler.dispatchMessage(Handler.java:95)
12-29 16:41:25.959: E/AndroidRuntime(20992): at android.os.Looper.loop(Looper.java:135)
12-29 16:41:25.959: E/AndroidRuntime(20992): at android.app.ActivityThread.main(ActivityThread.java:5221)
12-29 16:41:25.959: E/AndroidRuntime(20992): at java.lang.reflect.Method.invoke(Native Method)
12-29 16:41:25.959: E/AndroidRuntime(20992): at java.lang.reflect.Method.invoke(Method.java:372)
12-29 16:41:25.959: E/AndroidRuntime(20992): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)
12-29 16:41:25.959: E/AndroidRuntime(20992): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
12-29 16:41:25.959: E/AndroidRuntime(20992): Caused by: java.lang.IllegalArgumentException: Binary XML file line #57: Duplicate id 0x7f060008, tag null, or parent id 0xffffffff with another fragment for kb50.appointment.ProfielListFragment
12-29 16:41:25.959: E/AndroidRuntime(20992): at android.app.FragmentManagerImpl.onCreateView(FragmentManager.java:2120)
12-29 16:41:25.959: E/AndroidRuntime(20992): at android.app.Activity.onCreateView(Activity.java:5282)
12-29 16:41:25.959: E/AndroidRuntime(20992): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:733)
12-29 16:41:25.959: E/AndroidRuntime(20992): ... 26 more
12-29 16:41:27.150: I/Process(20992): Sending signal. PID: 20992 SIG: 9
profiel.java
public class Profile extends Fragment{
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
if (container == null) {
return null;
}
return (LinearLayout)inflater.inflate(R.layout.profile_layout, container, false);
}
profielListFragment.java（带有测试数据）
public class ProfielListFragment extends ListFragment {
//temp data
String[] nameApp = new String[] {
"docter",
"school"};
String[] dateApp = new String[]{
"2 september 2015",
"3 september 2015"};
String[] timeApp = new String[]{
"9:00 pm",
"8:00 am"};
//end temp data
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState) {
// Each row in the list stores country name, currency and flag
List<HashMap<String,String>> aList = new ArrayList<HashMap<String,String>>();
for(int i=0;i<2;i++){
HashMap<String, String> hm = new HashMap<String,String>();
hm.put("name", "name : " + nameApp[i]);
hm.put("date","date : " + dateApp[i]);
hm.put("time","time : " + timeApp[i]);
//hm.put("flag", Integer.toString(flags[i]) );
aList.add(hm);
}
// Keys used in Hashmap
String[] from = { "name","date","time" };
// Ids of views in profiellistfragment_layout
int[] to = { R.id.name,R.id.date,R.id.time};
// Instantiating an adapter to store each items
// R.layout.profiellistfragment_layout defines the layout of each item
SimpleAdapter adapter = new SimpleAdapter(getActivity().getBaseContext(), aList, R.layout.profiellistfragment_layout, from, to);
setListAdapter(adapter);
return super.onCreateView(inflater, container, savedInstanceState);
}
}
profile_layout.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:background="#000000" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="0dp"
android:layout_weight="0.4"
android:background="#0000FF"
android:orientation="horizontal" >
<ImageView
android:layout_width="150dp"
android:layout_height="150dp"
android:layout_marginTop="20dp"
android:layout_marginLeft="10dp"
android:layout_gravity="top"
android:adjustViewBounds="true"
android:contentDescription="@string/ProfielPic"
android:src="@drawable/pq" />
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
android:layout_marginLeft="20dp"
android:layout_marginTop="20dp">
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/userName"
android:textColor="#FFFFFF"/>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/userEmail"
android:textColor="#FFFFFF"/>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/userPhone"
android:textColor="#FFFFFF" />
</LinearLayout>
</LinearLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="0dp"
android:layout_weight="0.6"
android:background="#FF0000">
<fragment
android:id="@+id/First2Appointments"
android:name="kb50.appointment.ProfielListFragment"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
/>
<!-- <ListView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/simple_list_item_1">
</ListView>
</LinearLayout>
</LinearLayout>
profiellistfragment_layout.xml
<?xml version="1.0" encoding="UTF-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal" >
<TextView
android:id="@+id/name"
android:layout_width="0dp"
android:layout_weight="0.4"
android:layout_height="wrap_content"
android:textSize="15sp"
android:paddingTop="10dp"
android:paddingRight="10dp"
android:paddingBottom="10dp"/>
<LinearLayout
android:layout_width="0dp"
android:layout_weight="0.6"
android:layout_height="100dp"
android:orientation="vertical"
android:padding="10dp"
>
<TextView
android:id="@+id/date"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="15sp" />
<TextView
android:id="@+id/time"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="15sp" />
</LinearLayout>
</LinearLayout>
答案 0 :(得分：0)
我找到了解决方案。在Vidar Wahlberg的回答中：
我父母是NULL