I've got HorizontalScrollView inside RelativeLayout on two pages in ViewPager. At first it works ok, but when I swipe through the pages inside ViewPager and then again try to scroll the HorizontalScrollView, the view is duplicated like this:
So it's like duplicated with one view stuck on the background and one on the foreground is scrolling normally.
I've tried several things like play with background color, persistentDrawingCache, removeAllViews and add them again but it still happens.
Can you help me find out what's causing this and how to fix this?
Thanks a lot!
Update: here are the code snippets
horizontal_scrollview_layout.xml
<?xml version="1.0" encoding="utf-8"?>
<HorizontalScrollView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:scrollbars="none"
android:overScrollMode="never"
android:persistentDrawingCache="none"
android:layout_centerHorizontal="true" >
<LinearLayout
android:id="#+id/horizontalScrollLinearLayout"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal" />
</HorizontalScrollView>
horizontal_scrollview_child_layout.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res/com.ursus.nameday"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical" >
<com.xxx.CircularImageView
android:id="#+id/contactPhotoImageView"
android:layout_width="60dp"
android:layout_height="60dp"
android:src="#drawable/ic_launcher"
app:border="true"
app:border_color="#android:color/holo_blue_light"
app:border_width="2dp"
app:shadow="true" />
<TextView
android:id="#+id/contactNameTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Small Text"
android:textAppearance="?android:attr/textAppearanceSmall" />
</LinearLayout>
HorizontalScrollViewFragment.java
public class HorizontalScrollViewFragment extends Fragment {
private LinearLayout childLinearLayout;
#Override
public View onCreateView(final LayoutInflater inflater,
final ViewGroup container, final Bundle savedInstanceState) {
final View rootView = inflater.inflate(
R.layout.horizontal_scrollview_layout, container, false);
contactsLinearLayout = (LinearLayout) rootView
.findViewById(R.id.horizontalScrollLinearLayout);
//ADDING CHILDREN HERE
final View child1 = LayoutInflater.from(getActivity()).inflate(
R.layout.horizontal_scrollview_child_layout, null);
childLinearLayout.addView(child1);
...
return rootView;
}
}
DayViewFragment.java (fragment inserted into ViewPager)
public class DayViewFragment extends Fragment {
...
private HorizontalScrollViewFragment fragment;
#Override
public View onCreateView(final LayoutInflater inflater,
final ViewGroup container, final Bundle savedInstanceState) {
final View rootView = inflater.inflate(R.layout.day_item_layout,
container, false);
...
final FragmentManager fm = getChildFragmentManager();
final FragmentTransaction ft = fm.beginTransaction();
fragment = new HorizontalScrollViewFragment();
ft.add(R.id.fragmentContainer, fragment);
ft.commit();
...
return rootView;
}
}
The issue occurred when the fragment was recreated after the limit of the screens to be retained by ViewPager was reached and the fragment holding the fragment needed to be recreated.
The default value is 1 therefore I only needed to change it to 2 (setOffscreenPageLimit(2)) as I have 3 fragments in ViewPager. Now the problem doesn't occur.
It's not an ideal solution but works. In case this doesn't help somebody else: you need to control when and how the fragment is recreated and make sure view is cleared.
Related
I am now practicing on ViewPager and Fragments but I am facing an issue with replacing fragment to one another.
It is working well with swiping screen to move to another fragment, but I also wanted to try out if I can do this with a button too.
So I added a button, and tried to use FragmentManager's replace() method.
But what it actually does is not replacing the fragment but adding the fragment on the current fragment.
In a simple word, it overlaps.
Could not really find anything helpful for hours now, can anyone please help me with it?
Here is my code of the fragment that has the button:
public class MainActivity extends Fragment {
Fragment fragment;
FragmentManager fragmentManager;
FragmentTransaction fragmentTransaction;
Button buildButton;
private ViewPager viewPager;
public static Fragment newInstance(Context context) {
MainActivity mainActivity = new MainActivity();
return mainActivity;
}
#Nullable
#Override
public View onCreateView(LayoutInflater inflater, #Nullable ViewGroup container, Bundle savedInstanceState) {
ViewGroup root = (ViewGroup) inflater.inflate(R.layout.main, null);
return root;
}
#Override
public void onActivityCreated(#Nullable Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
buildButton = (Button) getView().findViewById(R.id.buildButton);
buildButton.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
fragment = new SecondActivity();
fragmentManager = getActivity().getSupportFragmentManager();
fragmentTransaction = fragmentManager.beginTransaction();
fragmentTransaction.replace(R.id.calendarActivity, fragment);
fragmentTransaction.addToBackStack(null);
fragmentTransaction.commit();
}
});
}
}
And this is the xml file of the fragment:
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<fragment class="com.example.auclo.calendarpractice5.MainActivity"
android:id="#+id/calendarActivity"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
<Button
android:id="#+id/buildButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="100dp"
android:layout_marginEnd="148dp"
android:layout_marginStart="148dp"
android:layout_marginTop="16dp"
android:text="Track"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/calendarView" />
</android.support.constraint.ConstraintLayout>
And this is the fragment that I want to replace to:
public class SecondActivity extends Fragment {
TextView textView;
public static Fragment newInstance(Context context) {
SecondActivity secondActivity = new SecondActivity();
return secondActivity;
}
#Nullable
#Override
public View onCreateView(#NonNull LayoutInflater inflater, #Nullable ViewGroup container, #Nullable Bundle savedInstanceState) {
ViewGroup root = (ViewGroup) inflater.inflate(R.layout.activity_second, null);
return root;
}
#Override
public void onActivityCreated(#Nullable Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
textView = getView().findViewById(R.id.textView);
}
}
And xml of the second fragment:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".SecondActivity">
<fragment class="com.example.auclo.calendarpractice5.SecondActivity"
android:id="#+id/secondActivity"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
<TextView
android:id="#+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Pikachu"
android:textSize="18sp" />
</RelativeLayout>
I will really appreciate to any kind of help.
Thank you!
The issue is that you're replacing the element with ID calendarActivity with your new fragment. This element is inside the XML for your first fragment (I think, based on your post). So it's putting this fragment in your old fragment.
You'll need to instead use the id in R.layout.main that represents your first fragment. I usually use a framelayout for this. Then I have the activity replace that framelayout with a fragment in its onCreate().
To add the same visual effects, you have to add a animation to your fragmentTransaction
Exemple:
fragmentTransaction.setCuston(
R.anim.enter_from_right,
R.anim.exit_to_left);
See this answer for explanation on fragments animations
Yesterday, I came across a problem that concerns "propably" fragments overlapping. I have a fragment (A) with RecyclerView & FloatingActionButton. There is onClickListener set to that FAB, which should replace the whole fragment (A) view with fragment (B). Unfortunately FAB somehow stays on top, but RecyclerView is exchanged with fragment (B) view. I'm almost sure that I'm replacing container with both RV & FAB. Maybe any ideas where should I look for solution?
Navigation code:
private void onNavigate(int container,Fragment fragment, boolean backStack, Integer animIn, Integer animOut){
FragmentManager fragmentManager = getSupportFragmentManager();
fragmentManager.addOnBackStackChangedListener(this);
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
fragmentTransaction.setCustomAnimations(animIn,animOut,animIn,animOut);
fragmentTransaction.replace(container,fragment);
if(backStack){
fragmentTransaction.addToBackStack(fragment.toString());
}
fragmentTransaction.commit();
}
Fragment Replacing:
public View onCreateView(LayoutInflater inflater, #Nullable ViewGroup container, #Nullable Bundle savedInstanceState){
View view = inflater.inflate(R.layout.tab1_fragment, container, false);
recyclerView = (RecyclerView)view.findViewById(R.id.recyclerView_id);
FB_addTask = view.findViewById(R.id.fb_addTask_id);
recyclerView.setLayoutManager(new LinearLayoutManager(this.getActivity()));
FB_addTask.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
getNavigationListener().onNagivate(R.id.tab1_content,new Tab1_AddTask_Fragment(),true,R.anim.anim_from_left_to_right,R.anim.anim_from_center_to_left);
}
});
return view;
}
and Layout:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/tab1_content"
android:background="#color/Grey_300"
xmlns:app="http://schemas.android.com/apk/res-auto">
<android.support.v7.widget.RecyclerView
android:id="#+id/recyclerView_id"
android:layout_width="match_parent"
android:layout_height="match_parent">
</android.support.v7.widget.RecyclerView>
<android.support.design.widget.FloatingActionButton
android:id="#+id/fb_addTask_id"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentEnd="true"
android:layout_margin="25dp"
android:elevation="5dp"
android:src="#drawable/plus_dark_blue"
app:backgroundTint="#color/SC_Gold"/>
</RelativeLayout>
I want to call a fragment on button click which is a fragment. I tried this code but it's not working. with this code when I click on the button it shows next fragment but not its designing. I see only a blank page.
This is my main xml :-
<LinearLayout
android:id="#+id/main_layout"
android:orientation="vertical"
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<!-- our toolbar -->
<!-- our tablayout to display tabs -->
<android.support.design.widget.TabLayout
android:id="#+id/tabLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:tabMode="scrollable"
app:tabGravity="fill"
android:background="#fa4022"
android:minHeight="?attr/actionBarSize"
android:theme="#style/ThemeOverlay.AppCompat.Dark.ActionBar"/>
<!-- View pager to swipe views -->
<android.support.v4.view.ViewPager
android:id="#+id/pager"
android:layout_width="match_parent"
android:layout_height="fill_parent"/>
I have an dashboard tab in this TabLayout. In this dashboard tab i have an button which id is userprofile. after click on this button i want to go on user_profile.xml
public class Dashboard extends Fragment implements View.OnClickListener {
Button userprofile;
#Nullable
#Override
public View onCreateView(LayoutInflater inflater, #Nullable ViewGroup container, #Nullable Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.dashboard, container, false);
userprofile=(Button)rootView.findViewById(R.id.userprofile);
userprofile.setOnClickListener(this);
return rootView;
}
#Override
public void onClick(View view) {
Fragment fragment = null;
switch (view.getId()) {
case R.id.userprofile:
fragment = new User_Profile();
replaceFragment(fragment);
break;
}
}
private void replaceFragment(Fragment fragment) {
User_Profile user_profile = new User_Profile();
FragmentTransaction transaction = getFragmentManager().beginTransaction();
transaction.replace(R.id.pager, fragment);
transaction.addToBackStack(null);
transaction.commit();
}
User_Profile class code is :-
public class User_Profile extends Fragment {
#Nullable
#Override
public View onCreateView(LayoutInflater inflater, #Nullable ViewGroup container, #Nullable Bundle savedInstanceState) {
View rooView=inflater.inflate(R.layout.user_profile, container, false);
return rooView;
}
}
user_profile.xml is :-
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="User Profile"
android:textSize="30dp"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"/>
If you can see fragment on button click but not designing then its may error in your fragment .xml file. By using proper view problem can be solve. If there is also a problem with same post their .xml file code.
Can you show us some more data please? What's the XML for the pager fragment you're trying to replace the current fragment with?
Could you check that you're referring to the layout of that XML file, and not the individual pager element too?
(Since transaction.replace requires a fragment container as it's first argument)
I have a MainActivity.class which extends from Activity . I created a tab like structure . on clicking any of the image . new fragment is displayed. My first fragment is Article. it has a AsyncTask associate with it.
when i go to another fragment and comeback to it .asyncTask call again. And the whole listView is recreated . I simply want to disable AsyncTask for calling again and save the previous state of the fragment.
I have addToBackStack(null); while adding fragments.
getFragmentManager().beginTransaction().replace(R.id.container, new Article()).addToBackStack(null).commit();
where Article is a fragment and container is the frameLayout in the mainActivity.xml
I want to show the fragment where i left off. Like we do in Activities by setting LaunchMode+"Single" or something . I am not clearing backStack.
I simply need to switch between Activities like we do in TabActivity. in TabActivity if we want to repeat the AsyncTask we have to specify it in onResume(). otherwise it will not called
Article Fragment
public class Article extends Fragment
{
ListView listView;
Activity context;
ArrayList<HashMap<String,String>> art_list;
ArticleAdapter adapter;
String url="http://tabletennisdaily.co.uk/webservices/view_articles.php";
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState)
{
View V = inflater.inflate(R.layout.article, container, false);
context = getActivity();
listView = (ListView) V.findViewById(R.id.art_listview);
new ArticleTask(getActivity(), url, listView).execute(url);
return V;
}
}
MainActivity
public class MainActivity extends Activity //implements FragmentDelegate,FragmentManager.OnBackStackChangedListener
{
public LinearLayout Tab1,Tab2,Tab3,Tab4;
public ImageView img1,img2,img3,img4;
#Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.practicing);
init();
}
private void init()
{
Tab1 = (LinearLayout) findViewById(R.id.tab1);
Tab2 = (LinearLayout) findViewById(R.id.tab2);
Tab3 = (LinearLayout) findViewById(R.id.tab3);
Tab4 = (LinearLayout) findViewById(R.id.tab4);
img1 = (ImageView)findViewById(R.id.tab_img1);
img2 = (ImageView)findViewById(R.id.tab_img2);
img3 = (ImageView)findViewById(R.id.tab_img3);
img4 = (ImageView)findViewById(R.id.tab_img4);
getFragmentManager().beginTransaction().replace(R.id.container, new Article()).addToBackStack(null).commit();
}
public void selectFrag(View view) {
Fragment fr = null;
if (view == findViewById(R.id.tab1))
{
img1.setBackgroundResource(R.drawable.articles_on);
img2.setBackgroundResource(R.drawable.forum_off);
img3.setBackgroundResource(R.drawable.video_off);
img4.setBackgroundResource(R.drawable.profile_off);
fr = new Article();
}
else if(view == findViewById(R.id.tab2))
{
img1.setBackgroundResource(R.drawable.articles_off);
img2.setBackgroundResource(R.drawable.forum_on);
img3.setBackgroundResource(R.drawable.video_off);
img4.setBackgroundResource(R.drawable.profile_off);
fr = new Forum();
}
else if(view == findViewById(R.id.tab3))
{
img1.setBackgroundResource(R.drawable.articles_off);
img2.setBackgroundResource(R.drawable.forum_off);
img3.setBackgroundResource(R.drawable.video_on);
img4.setBackgroundResource(R.drawable.profile_off);
fr = new Medias();
}
else if(view == findViewById(R.id.tab4))
{
img1.setBackgroundResource(R.drawable.articles_off);
img2.setBackgroundResource(R.drawable.forum_off);
img3.setBackgroundResource(R.drawable.video_off);
img4.setBackgroundResource(R.drawable.profile_on);
fr = new Profile();
}
FragmentManager fm = getFragmentManager();
FragmentTransaction fragmentTransaction = fm.beginTransaction();
fragmentTransaction.replace(R.id.container, fr);
fragmentTransaction.addToBackStack(null);//MainActivity.TAG);//.addToBackStack(null);
fragmentTransaction.commit();
}
}
and practicing.xml is
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/mainlayout"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<FrameLayout
android:id="#+id/container"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="#+id/bottom" />
<LinearLayout
android:id="#+id/bottom"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:baselineAligned="false"
android:layout_alignParentBottom="true"
android:orientation="horizontal" >
<LinearLayout
android:id="#+id/tab1"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_weight="1"
android:onClick="selectFrag"
android:gravity="center"
android:orientation="vertical" >
<ImageView
android:id="#+id/tab_img1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="10dp"
android:background="#drawable/articles_on"
android:padding="10dp"
android:scaleType="center" />
</LinearLayout>
<LinearLayout
android:id="#+id/tab2"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_weight="1"
android:onClick="selectFrag"
android:gravity="center"
android:orientation="vertical" >
<ImageView
android:id="#+id/tab_img2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="10dp"
android:background="#drawable/forum_off"
android:padding="10dp"
android:scaleType="center" />
</LinearLayout>
<LinearLayout
android:id="#+id/tab3"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_weight="1"
android:onClick="selectFrag"
android:gravity="center"
android:orientation="vertical" >
<ImageView
android:id="#+id/tab_img3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="10dp"
android:background="#drawable/video_off"
android:padding="10dp"
android:scaleType="fitXY" />
</LinearLayout>
<LinearLayout
android:id="#+id/tab4"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_weight="1"
android:onClick="selectFrag"
android:gravity="center"
android:orientation="vertical" >
<ImageView
android:id="#+id/tab_img4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="10dp"
android:background="#drawable/profile_off"
android:padding="10dp"
android:scaleType="fitXY" />
</LinearLayout>
</LinearLayout>
</RelativeLayout>
Try adding your fragment instead of replacing.
What addToBackStack() does is: it adds the fragment transaction to its stack, so it knows that when you press back, it should show your first fragment. So t does exactly that, and shows your first fragment again and the fragment's onCreatView() is called again. Here in your onCreateView, all initialization occurs and the AsyncTask is called. This is why it happens everytime you change between fragments.
The solution I implemented for this problem is:
1) Keep view of fragment as a class variable.
2) Perform all actions in onCreateView() only if the view is null.
So you should change:
public class Article extends Fragment
{
ListView listView;
Activity context;
ArrayList<HashMap<String,String>> art_list;
ArticleAdapter adapter;
String url="http://tabletennisdaily.co.uk/webservices/view_articles.php";
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState)
{
View V = inflater.inflate(R.layout.article, container, false);
context = getActivity();
listView = (ListView) V.findViewById(R.id.art_listview);
new ArticleTask(getActivity(), url, listView).execute(url);
return V;
}
}
to:
public class Article extends Fragment
{
ListView listView;
Activity context;
ArrayList<HashMap<String,String>> art_list;
ArticleAdapter adapter;
String url="http://tabletennisdaily.co.uk/webservices/view_articles.php";
View V; //SET THE FRAGMENTS VIEW AS A CLASS VARIABLE HERE
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState)
{ //CHECK IF FRAGMENT IS INSTANTIATED BEFORE. IF IT IS NOT, CREATE NEW VIEW
if(V == null){
V = inflater.inflate(R.layout.article, container, false);
context = getActivity();
listView = (ListView) V.findViewById(R.id.art_listview);
new ArticleTask(getActivity(), url, listView).execute(url);
}
else{ //IF ALREADY INSTANTIATED USE SAME OLD V
((ViewGroup)V.getParent()).removeView(V);
}
return V;
}
}
Here, we move View V outside and make it a class variable. So if it is the first time the fragment is called, it is null and the initialization occurs, otherwise it goes to else black. Else block is required because onCreateView() adds whatever it returns as a child of the view's parent, so since V is already there, we remove it and onCreateView automatically adds it again.
I'm trying to put 2 fragments inside a fragment. I found some code on internet but, as far as I could go, I don't succeed to put 2 fragments in 1 fragment.
I have seen tips dealing with FragmentManager and especially the method getChildFragmentManager() but I don't know how it works with 2 fragments.
For the story, I'm using an activity with ActionBar which creates 3 fragments. In one of them, I need to handle a graph and a kind of menu to change the graph scale. In this way, I need 2 fragments in one fragment.
Here is the code :
The fragment which handles the others:
public class GraphDisplayFragment extends Fragment {
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View myFragmentView = inflater.inflate(R.layout.graph_fragment, container, false);
return myFragmentView;
}
}
The code to draw the graph:
public class GraphFragment extends Fragment {
private static final int SERIES_NR = 1;
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
GraphicalView myFragmentView = ChartFactory.getTimeChartView(this.getActivity(), getDateDemoDataset(), getDemoRenderer(),null);
return myFragmentView;
}
//some functions to set graph propreties
}
The XML files :
graph_fragment.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" >
<fragment
android:id="#+id/graph_fragment"
android:name="com.test.GraphFragment"
android:layout_width="match_parent"
android:layout_height="259dp" >
</fragment>
<fragment
android:name="com.test.GraphDetailFragment"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/graph_detail_fragment">
</fragment>
</LinearLayout>
graph_detail.xml with a test implementation
<?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" >
<TextView
android:id="#+id/textView1"
android:layout_width="211dp"
android:layout_height="wrap_content"
android:text="TextView" />
</LinearLayout>
The weird thing is, it works at the begining when I switch between fragments in the ActionBar but after 3-4 moves, I get this error :
android.view.InflateException: Binary XML file line #7: Error inflating class fragment
If anyone has the solution, it would be awesome!
So first off change your xml for graph_fragment.xml to this
<?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" >
<FrameLayout
android:id="#+id/graph_fragment_holder"
android:layout_width="match_parent"
android:layout_height="259dp" >
</FrameLayout>
<FrameLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/graph_detail_fragment_holder">
</FrameLayout>
</LinearLayout>
Then in code to inflate them from the fragment use something like this
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.graph_fragment,
container, false);
FirstChildFragment frag1 = (FirstChildFragment) getChildFragmentManager()
.findFragmentById(R.id.first_frag_layout);
SecondChildFragment frag1 = (SecondChildFragment) getChildFragmentManager()
.findFragmentById(R.id.second_frag_layout);
if (null == frag1) {
FirstChildFragment = new frag1();
FragmentTransaction transaction = getChildFragmentManager()
.beginTransaction();
transaction.add(R.id.graph_fragment_holder, frag1)
.addToBackStack(null).commit();
}
if (null == frag2) {
SecondChildFragment = new frag2();
FragmentTransaction transaction = getChildFragmentManager()
.beginTransaction();
transaction.add(R.id.graph_detail_fragment_holder, frag2)
.addToBackStack(null).commit();
}
return rootView;
}
MyFragment myFragment = (MyFragment)getChildFragmentManager().findFragmentById(R.id.my_fragment);
You can try to use the method *findFragmentById(fragment_id)* from SupportFragmentManager to get the instance of fragment from your .xml file and insert your fragment there.
Something like:
Fragment myFragment = getSupportFragmentManager().findFragmentById(R.id.myFragmentId);
I hope to help you.
Best regards.
Adriano