android-fragments

问题 this is my child fragment and how to access my parent fragment from this fragment please help me to fix it public class Profilefragmant extends Fragment { public Profilefragment(){} @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View rootView = inflater.inflate(R.layout.profile_layout, container, false); TextView VE = (TextView) rootView.findViewById(R.id.profile_view_enquiry); VE.setOnClickListener(new View.OnClickListener(){

问题 I'm trying to setup in my app that is using androidX. My problem is that when I try to work with PlaceAutocompleteFragment I get errors because it is a fragment from android.app.fragment and my parent fragment is an androidx fragment: androidx.fragment.app.Fragment so it uses a androidx.fragment.app.FragmentManager instead of a android.app.FragmentManager . How can I work with "old" fragments in androidX? 回答1: Add this to dependencies: implementation 'androidx.appcompat:appcompat:1.0.2' . Add

问题 I want to add custom up navigation from fragment using Navigation component In my build.gradle(app) I use androidx.appcompat:appcompat:1.1.0-alpha04 dependency to have access to onBackPressedDispatcher from activity. So I implemented OnBackPressedCallback in my fragment and registered callback to dispatcher: requireActivity().onBackPressedDispatcher.addCallback(this) I expected that pressing navigate up in toolbar will call it, but it doesn't. Pressing device's back button calls it as

问题 I want to add custom up navigation from fragment using Navigation component In my build.gradle(app) I use androidx.appcompat:appcompat:1.1.0-alpha04 dependency to have access to onBackPressedDispatcher from activity. So I implemented OnBackPressedCallback in my fragment and registered callback to dispatcher: requireActivity().onBackPressedDispatcher.addCallback(this) I expected that pressing navigate up in toolbar will call it, but it doesn't. Pressing device's back button calls it as

问题 I have an ActionBarActivity and fragment. I am using FragmentPagerAdapter that provides fragment to my app. My question How can I access parent Activity View in Fragment ?? 回答1: You can use View view = getActivity().findViewById(R.id.viewid); Quoting docs Specifically, the fragment can access the Activity instance with getActivity() and easily perform tasks such as find a view in the activity layout 回答2: At first, create a view like this: View view = getActivity().findViewById(R.id.viewid);

问题 i have an activity with bottom navigation view with 3 Fragments associated. One of them is a Fragment with a ViewPager2 that uses a FragmentStateAdapter. Inside the createfragment(int position) method of the Adapter I return a couple Instances of another Fragment which has an Options Menu and inside it's onCreate() i call setHasOptionsMenu(true). The Problem is that on initialization of the adapter, the menu from all fragments are visible not just the menu of the currently visible fragment.

问题 Information: I'm programmatically inserting a NavHostFragment for each feature of the app. Each NavHostFragment has it's own Navigation Graph. Dagger is providing them by using a FragmentFactory specific to each feature. It's a Single Activity structure with MVVM architecture. Repo: https://github.com/mitchtabian/DaggerMultiFeature/tree/nav-component-backstack-bug checkout the branch "nav-component-backstack-bug". The Problem When navigating into the graph the fragments are not being added to

问题 Information: I'm programmatically inserting a NavHostFragment for each feature of the app. Each NavHostFragment has it's own Navigation Graph. Dagger is providing them by using a FragmentFactory specific to each feature. It's a Single Activity structure with MVVM architecture. Repo: https://github.com/mitchtabian/DaggerMultiFeature/tree/nav-component-backstack-bug checkout the branch "nav-component-backstack-bug". The Problem When navigating into the graph the fragments are not being added to

问题 I have created a RecyclerView and added cards in fragment.I want to open different activities by clicking on different cards in CardView.But I am only able to open the same activity for all the cards.I searched different answers in StackOverFlow.But I couldn't. could you tell me how to solve this issue...? If you can give full code,I'm happy. Here are my codes... PDFFragment.java public class PDFFragment extends Fragment { View v; List<Pdf> listBook; public View onCreateView(@NonNull

问题 I have created a RecyclerView and added cards in fragment.I want to open different activities by clicking on different cards in CardView.But I am only able to open the same activity for all the cards.I searched different answers in StackOverFlow.But I couldn't. could you tell me how to solve this issue...? If you can give full code,I'm happy. Here are my codes... PDFFragment.java public class PDFFragment extends Fragment { View v; List<Pdf> listBook; public View onCreateView(@NonNull