I'm launching a DialogFragment which has a ViewPager in it, which in turn will have multiple fragments in it.
When i try to actually add the fragments inside the ViewPager though, I get an IllegalArgumentException saying the view is not found:
03-14 16:44:11.989 3617-3617/com.mycompany.app.debug E/AndroidRuntime﹕ FATAL EXCEPTION: main
java.lang.IllegalArgumentException: No view found for id 0x7f090146 for fragment GuestProfileQuestionnaireStep1Fragment{5375fa28 #3 id=0x7f090146}
at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:823)
at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1035)
at android.app.BackStackRecord.run(BackStackRecord.java:635)
at android.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1397)
at android.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:437)
at android.support.v13.app.FragmentStatePagerAdapter.finishUpdate(FragmentStatePagerAdapter.java:167)
at android.support.v4.view.ViewPager.populate(ViewPager.java:1068)
at android.support.v4.view.ViewPager.populate(ViewPager.java:914)
at android.support.v4.view.ViewPager.onMeasure(ViewPager.java:1436)
at android.view.View.measure(View.java:15172)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4814)
at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1390)
at android.widget.LinearLayout.measureVertical(LinearLayout.java:681)
at android.widget.LinearLayout.onMeasure(LinearLayout.java:574)
at android.view.View.measure(View.java:15172)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4814)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
at android.view.View.measure(View.java:15172)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4814)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
at android.view.View.measure(View.java:15172)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4814)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2148)
at android.view.View.measure(View.java:15172)
at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:1848)
at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1075)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1273)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:998)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:4212)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:725)
at android.view.Choreographer.doCallbacks(Choreographer.java:555)
at android.view.Choreographer.doFrame(Choreographer.java:525)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:711)
at android.os.Handler.handleCallback(Handler.java:615)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4745)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
at dalvik.system.NativeStart.main(Native Method)
So basically I have the following flow:
Activity --> DialogFragment (has a) > ViewPager --> calls Adapter that in turn calls multiple fragments. Here's some relevant code:
DialogFragment
public class GuestProfileQuestionnaireContainerDialogFragment
extends DialogFragment {
@InjectView(R.id.guest_profile_questionnaire_pager) ViewPager mProfileQuestionnairePager;
// ...
@Override
public View onCreateView(LayoutInflater inflater,
ViewGroup container,
Bundle savedInstanceState) {
View layoutView = inflater.inflate(R.layout.fragment_guest_profile_questionnaire_container,
container,
false);
ButterKnife.inject(this, layoutView);
// ...
setupProfileQuestionnaire();
return layoutView;
}
// ...
private void setupProfileQuestionnaire() {
mProfileQuestionnairePager.setAdapter(new GuestProfileQuestionnairePagerAdapter(getFragmentManager()));
}
}
layout (nothing fancy here)
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
android:orientation="vertical"
android:layout_height="wrap_content"
android:layout_width="match_parent"
xmlns:android="http://schemas.android.com/apk/res/android">
<FrameLayout ...
<TextView ...
<android.support.v4.view.ViewPager
android:id="@+id/guest_profile_questionnaire_pager"
android:layout_height="match_parent"
android:layout_width="match_parent"/>
</LinearLayout>
PagerAdapter that populates fragments
public class GuestProfileQuestionnairePagerAdapter
extends FragmentStatePagerAdapter {
public static final int TOTAL_NUM_OF_STEPS = 1;
public GuestProfileQuestionnairePagerAdapter(FragmentManager fm) {
super(fm);
}
@Override
public int getCount() {
return TOTAL_NUM_OF_STEPS;
}
@Override
public Fragment getItem(int position) {
switch (position) {
case 0:
return GuestProfileQuestionnaireStep1Fragment.newInstance();
}
return null;
}
}
Fragment
public class GuestProfileQuestionnaireStep1Fragment
extends Fragment {
private GuestProfileQuestionnaireStep1Fragment() {
super();
}
public static GuestProfileQuestionnaireStep1Fragment newInstance() {
return new GuestProfileQuestionnaireStep1Fragment();
}
@Override
public View onCreateView(LayoutInflater inflater,
ViewGroup container,
Bundle savedInstanceState) {
return inflater.inflate(R.layout.fragment_guest_profile_questionnaire_step1,
container,
false);
}
}
I don't get an exception when my ViewPager is empty. So basically when the ViewPAger alone is inflated there's no problem. However the minute I return an actual fragment within the ViewPager, I get the exception.