FragmentManager is an interface for interacting with Fragment objects inside an Activity in Android. While the FragmentManager API was introduced in HONEYCOMB, a version of the API at is also available for use on older platforms through FragmentActivity. For more information about using fragments, read the Fragments developer guide.
Questions tagged [fragmentmanager]
700 questions
2
votes
2 answers
IndexOutOfBoundsException in FragmentManager when resuming activity
What's the Problem:
I have a main activity which have total 7 fragments added to it when it is loaded : 2 drawer navigation fragments, 1 viewPager Main fragment and 4 viewpager child fragments.
new fragments are added whenever there's a need. So two…
Pro Mode
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2
votes
1 answer
use FragmentManager in fragment?
im really in trouble here. I am trying to open a dialog fragment from a fragment, but i cannot get it to work
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
public class FragmentDiscover extends Fragment
{
…
TheQ
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2
votes
3 answers
NullPointerException: android.support.v4.app.FragmentHostCallback.getHandler() on a null object reference
I am facing following issue.
Scenario:
For the very first time when I signup thru app, I am able to see tabs and there content but when I logout and try to login for the same code for viewpager i get following exception:
NullPointerException:…
MobDev
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votes
3 answers
Return from fragment C to fragment A pressing back button
I have a fragments, for example A -> B -> C. When I'm in the fragment C, and press the back button I need to get on a fragment A. That is, fragment B is not necessary to add to backStack. Here is the code which implements the transition between…
Vlad
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votes
0 answers
IllegalStateException: FragmentManager is already executing transactions - TabLayout in DrawerLayout
I'm trying to implement DrawerLayout and TabLayout in one activity, however I get this error:
java.lang.IllegalStateException: FragmentManager is already executing transactions
Here's the code for MainActivity.java
// ...
import…
Pancake_M0nster
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2
votes
2 answers
FragmentTransaction hide() upon Activity recreation(config change/etc)
FragmentTransaction's hide() does not persist when Activity gets recreated upon config change(rotation, etc).
It re-adds all fragments in the back-stack, so the fragments previously hidden becomes visible. Ex) Fragments A(hide), B(show), C(hide),…
awonderer
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0 answers
ChildFragmentManager crashes with "No Host" when used with BottomSheetDialogFragment containing a viewPager of fragments
I'm trying to implement bottomSheet with a viewpager displaying fragments, as shown in the mockup image.
The bottomSheetFragment which houses the viewpager uses a childFragmentManager to manage the viewpager fragments. Below is the…
Srikanth S
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2
votes
2 answers
getHandler() NullPointerException when calling popBackstackImmediate() on a FragmentManager
I have this sime line in my code:
getChildFragmentManager().popBackstackImmediate();
It sometimes works, but often crashes. Here's the stacktrace:
java.lang.NullPointerException: Attempt to invoke virtual method 'android.os.Handler…
Guy
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2
votes
2 answers
FragmentStatePagerAdapter - getItem
I know there are several other posts on this topic, but I wanted to paste my code because I believe there may be an error in it that is causing my problem. My FragmentStatePagerAdapter is returning the wrong position, and I am not sure why.
Here is…
Phil
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votes
0 answers
ViewPager get invisible after coming from navigation drawer
I have been developing an app which contain navigation drawer on main page and on main page I have an framelayout in which I am displaying HomeFragment.java which contain viewPager.
The problem is when I launch my application the HomeFragment.java…
Rahul Yadav
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2
votes
1 answer
Android: Changing "ViewPager" animation from Fragment to Fragment
I am having an application with few fragments. I am using ViewPager and I have an expectation of providing a different animation for ViewPager transactions. Below is my code.
public class MainActivity extends FragmentActivity {
private…
PeakGen
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2
votes
1 answer
Android - Pop two or more fragments but don't the top
I have the following scenario:
A(Bottom) -> B -> C -> D(Top) -back-> A
A(Bottom) -> B -> C -back-> B -back-> A
Once I'm on the top (D fragment) I want to pop B and C fragment. On this way when I press back from D I can to A.
I want to avoid the…
Ricardo
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0 answers
Why inner fragments menu is persisted?
This question is about options menus inflated from Fragments into a Toolbar, via Fragment#setHasOptionsMenu(true).
Let’s say we have an activity with 3 fragments:
FragmentA
FragmentB (with menu)
FragmentC
FragmentD (with menu)
Fragments A, B…
natario
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2
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1 answer
How can I do a fragmentTransaction in other class?
I want create a class whose funtion is only do a fragmentTransaction but I have an error. My class is the next:
package net.elinformaticoenganchado.sergio.crossfighters.common;
import android.support.v4.app.Fragment;
import…
Sermanes
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0 answers
onOptionsItemSelected is called for wrong fragment (different fragment from backstack)
I have an issue with onOptionsItemSelected event.
My application consist of Activity, main fragment, multiple function fragments.
Activity's FragmentManager contains only one Fragment (MainFragment).
MainFragment's ChildFragmentManager contains up…
Marian Przyszedł
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