How to add fragment in adapter in android Nov 10, 2017 · You need to use Listener/Callback pattern to inform your Activity or Fragment where the Adapter is used. Aug 29, 2017 · trying to start fragment from adapter class using this code public void startFragment(Context context, int position) { Activity activity = (Activity) context; android. . An adapter populates the pages inside the Viewpager. Problem. container_fl,new Sep 10, 2013 · I've tried a lot of solutions i found in google and stackoverflow about this problem. I want to open a new Fragment called optionsFragment from my RecyclerView Adapter onlick. this); and update the constructor of the Adapter : public CustomAdapter(Context context, int id, YourFragmentfragment) { this. Trying to get a listview previously controlled in my Main Activity to a fragment. What I did was quite simple, I only had to change the param list: MutableList<Fragment> to list:MutableList<Pair<String,Fragment>> where my String is my fragmentId. This is my onClick function for my holder in the adapter: basically you don't need to add a frameLayout as container of your fragment instead you can add straight the fragment into the android root View container. getContext())); now the page is showing the records but its like pages in the same view. In R. OnItemClickListener //your adapter Override your onClick interface method: @Override public void onItemClick(int position) { your code - here you have access of that clicked item/property Mar 18, 2012 · First, I suggest that you consider altering your FragmentPagerAdapter, to look more like the sample. public class MyFragment extends Fragment { TextView mTextView; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater. To call a Fragment method from an Adapter, you can use a callback interface. Using an example project, I handle my clicks to the recylcer in the adapter view. Jun 12, 2014 · If you want to access the TextView of Fragment inside its parent Activity then you should define a method inside your Fragment class like this:. Creating an Adapter by extending the FragmentPagerAdapter or FragmentStatePagerAdapter class. Dec 15, 2015 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand May 23, 2017 · How to add fragment Tag in a FragmentPagerAdapter to reference the fragment later? post code of adapter and fragment/activity where you want to get refernce Aug 18, 2021 · I think I solved the problem, thanks @snachmsm for pointing me out where to look for. Aug 19, 2024 · Steps for implementing viewpager: Adding the ViewPager widget to the XML layout (usually the main_layout). At the same time the Book Fragment will be opened and the contents of that book will be shown. Dec 16, 2015 · But keep in your mind that your Fragment should be imported as a android. Adapter should only be used to show the data. id. item_fragment See full list on developer. Please help me. Jun 22, 2024 · In Android development, it is common to call a method defined in a Fragment class from an Adapter. simple_list_item_1 , getList, YourFragment. layout. activity_main, container, false Apr 26, 2013 · Hi Santhosh. To call the Fragment from the click: public void onClick(View v) { buttonListener. Do not directly call a Fragment or activity inside of the Adapter because it will defeat the purpose of the Adapter. However, from this adapter, I am having a very had time calling a new fragment. For example if you later decide to remove the containing fragment the sub fragments won't be automatically removed. getSupportFragmentManager(); FragmentTransaction Ft=manager. This allows the Adapter to communicate with the Fragment. This helps me understand how to add a fragment to my current adapter much easier! I can get a fragment added, but it just treats my fragment that I add like another page that I can swipe through. Fragment otherwise there might be a casting problem. support. The library fragments displays all available books via a RecyclerView. fragment. Don't forget to add "false" by backstack because you don't have to return to the previous fragment because it was the same fragment. Mar 13, 2018 · You will have to create a layout with a fragment container(Viewgroup) and Create your fragment from the onCreateViewHolder() and add fragment to the layout. MyCustomAdapter myAdapter = new MyCustomAdapter(this); finally you can call Jul 7, 2015 · public class SectionsPagerAdapter extends FragmentPagerAdapter { public SectionsPagerAdapter(FragmentManager fm) { super(fm); } @Override public Fragment getItem(int position) { // getItem is called to instantiate the fragment for the given page. so when I scroll down in the page I will find the next record with the same components from the page duplicated again Mar 24, 2020 · I have two fragments: (1) Library Fragment, (2) Book Fragment. R. replace(R. My MainActivity extends FragmentActivity. myholder. getBaseContext(), android. This communication between the Fragment and Adapter can be achieved using listeners or direct method invocations. Here's how you can implement it in your code: Mar 16, 2013 · When the Adapter is made, the instance variable will be given the proper reference to hold. The user can tab on each of the RecyclerView Items, which will set the LiveData to the corresponding book. buttonPressed(); } When making the Adapter, you will have to also pass your Fragment off to the Adapter. Sep 3, 2015 · If you followed the Material design tutorial, you can just navigate to the same page which will automatically reload it. All of them did not work correctly. beginTransaction(); Ft. So when you add a "sub-fragment" it will always belong to the activity even if you add it within your fragment class. fragment = fragment; } and in your fragment you can just initialize if like this. I try to write update method in fragment and use it in adapter - I created constructor with fragment : customAdapter = new CustomAdapter(myContext, android. Aug 11, 2016 · The item is being removed from list but counter doesn't change value - for example Item 2 was removed but counter still shows 5. You normally do not hold a list of fragments, any more than an ArrayAdapter normally holds a list of Views for the rows. doSomething(); Jul 3, 2020 · Inside your Activity/Fragment that you use this adapter: implements "Adapter". v4. I update it in onResume() method and it works but only if I leave fragment and come back to it. For example Jun 16, 2015 · So in your constructor for your adapter you can add an argument like this // variable to hold fragment private Fragment fragment; public MyCustomAdapter(Fragment fragment) { this. I'm new to Android. setOnClickListener(new View. Also tutorials in official google android developer pages didn't work. The new fragment should be has a back arrow button at the left top corner to go back to the RecyclerView. Code. Jan 10, 2016 · public class MyPrograms extends Fragment { FragmentMyProgramsBinding fragmentMyProgramsBinding; public MyPrograms() { // Required empty public constructor } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // Inflate the layout for this fragment FragmentMyProgramsBinding As the documentation states "A fragment must always be embedded in an activity". Note: In this answer I'm going to reference FragmentPagerAdapter and its source code. If I swipe to a different tab, I want my 'statusbar' fragment that I added to stay on the top or bottom no matter what page I swipe to. app. Nov 14, 2016 · I am working on an android app changing a listview to a recycler view. IMPORTANT: don't use replace fragment as most of the approach shown here, unless you don't mind to lose fragment variable instance state during onrecreation process. android. inflate(R. I get a null pointer for the set adapter, and for the line containing the populateList() method. fragment = fragment; } then you call methods using the fragment variable. If you open fragment for particular one tab then you should use getChildSupportFragmentManager() instead of getSupportFragmentManager() Dec 26, 2012 · Summary of the problem. Jan 20, 2019 · try below code for call fragment from adapter. in this code i have call fragment from recylerview adapter. itemView. Sep 5, 2012 · ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String> (getActivity(). setLayoutManager(new LinearLayoutManager(view. FragmentManager m Nov 27, 2019 · I have edited the code as you suggested, and I have added a line to my code which is: recyclerView. But the general solution should also apply to FragmentStatePagerAdapter. OnClickListener() { @Override public void onClick(View v) { FragmentManager manager=((AppCompatActivity)context). simple_spinner_dropdown_item, listItems); Note on older versions of Android there is getContext() which will return context of the fragment as well, but for new versions it might not return context. com Oct 30, 2024 · You can add your fragment to the activity's view hierarchy either by defining the fragment in your activity's layout file or by defining a fragment container in your activity's layout file and then programmatically adding the fragment from within your activity. I tried a lot of tutorials but I'm too stupid for this. gbk twp wuxxb pmtdk bmfit pbbax mjxwy hfjz ojpdt swytxx