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Questions tagged [fragment]

**DO NOT USE**: fragment is an ambiguous tag, used to refer to numerous technologies. Prefer less ambiguous tags. For Android Fragments, use [android-fragments]. For URL fragments, use [url-fragment]

'fragment' Tag Disambiguation

8161 questions
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6 answers

SavedInstanceState is always null in fragment

I have a fragment attached to the activity using XML (and setContentView() in activity). A have a problem because I have very dynamic views in my fragment, so when orientation changes I must restore all states of views. I have problem because I'm…
TommyNecessary
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2 answers

Custom attributes in Android fragments

I'd like to define custom attributes in Android fragment using XML (without using bundle additional parameters) like declare-styleable in custom controls. But there are no constructors with AttrSet parameters, so is it possible? Can i just override…
Anton
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When to use the attach and detach methods of FragmentTransaction

I just went through the documentation of the attach() and detach() methods of FragmentTransaction: attach(): Re-attach a fragment after it had previously been detached from the UI with detach(Fragment). This causes its view hierarchy to be…
GingerJim
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2 answers

Adding Tab inside Fragment In Android?

I am trying to add a TabHost inside a Fragment. The code is given below. Here inside the Fragment. I am trying to add TabHost to show two Tabs: package com.nordicsoft.dilosysNewVersion; import android.app.Fragment; import…
NRahman
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36
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3 answers

Call parent's activity from a fragment

If I'm inside a Fragment how can I call a parent's activity?
user1746708
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35
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3 answers

Fragment methods: attach(), detach(), remove(), replace(), popBackStack()

I am very confused between these functions and their purposes. What I have observed that using replace() replaces the existing fragment with a new one. We can use addToBackStack(null) to put that fragment in back stack so we can go back to the…
Vikram Gupta
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5 answers

Can't get Action Bar in fragment class

I have an activity with three fragment classes inside it. I get an error when trying to change the action bar title from inside of them. If I try to make the classes just public and not public static I get an error when I try to start that class. It…
SweSnow
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3 answers

ViewPager FragmentPagerAdapter Nullpointer

I got this error by using the ViewPager in the Android Support package. from the Horizontal View Swiping with ViewPager Tutorial 06-19 13:07:25.950: E/AndroidRuntime(16382): FATAL EXCEPTION: main 06-19 13:07:25.950: E/AndroidRuntime(16382):…
passsy
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Integrating youtube to fragment

My Activity extends another activity and consists of navigation drawer where each item opens a new fragment.I want to integrate Youtube to one of the fragment..Previously i used YouTubePlayerView to integrate Youtube to activity but here it is…
Android Developer
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6 answers

Best practice to handle orientation change: Android

I was going through various practices to handle orientation change with threads and AsyncTask. I came across following solutions: Attach-detach model : Attaching and detaching activity to threads and AsyncTask while preserving their instance.…
Gaurav Arora
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How does `onViewStateRestored` from Fragments work?

I am really confused with the internal state of a Fragment. I have an Activity holding only one Fragment at once and replaces it, if another Fragment should get shown. From the docs onSaveInstanceState is called ONLY if the Activitys…
Rafael T
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34
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6 answers

Fragment activity catch onKeyDown and use in fragment

I have Fragment activity with pager: List fragments = new Vector(); fragments.add(Fragment.instantiate(this, PastEventListFragment.class.getName(),bundle)); fragments.add(Fragment.instantiate(this,…
FlorinD
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5 answers

Android: Change Background Color of Fragment

I tried changing the background color of a fragment, but a small problem occurred. public class MainActivity extends FragmentActivity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); …
Brandon Ling
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8 answers

Is there something like React.Fragment in Vue?

In React I can do something like this: // parent component export default (){ return (
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); } // child component export default (){ return ( …
RickyChan
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Prevent Proguard from removing empty constructor of fragment

You know, all subclasses of Fragment must include a public empty constructor but when using proguard these constructors will be removed. I have specified below commands but empty constructor still be removed. Can anyone help me to keep empty…
Wayne
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