android-adapter

问题 This question already has answers here : How to update RecyclerView Adapter Data? (13 answers) Closed yesterday . I have a RecyclerView horizontal image slider at the bottom of a fragment. The top of the fragment shows some details. Once the user clicks on the images at the bottom, the idea is to remove that image from the image slider and display its information in the fragment. Now the information shows up but the image does not gets removed from the RecyclerView . Here is what I have coded

问题 This question already has answers here : How to update RecyclerView Adapter Data? (13 answers) Closed yesterday . I have a RecyclerView horizontal image slider at the bottom of a fragment. The top of the fragment shows some details. Once the user clicks on the images at the bottom, the idea is to remove that image from the image slider and display its information in the fragment. Now the information shows up but the image does not gets removed from the RecyclerView . Here is what I have coded

问题 This question already has answers here : How to update RecyclerView Adapter Data? (13 answers) Closed yesterday . I have a RecyclerView horizontal image slider at the bottom of a fragment. The top of the fragment shows some details. Once the user clicks on the images at the bottom, the idea is to remove that image from the image slider and display its information in the fragment. Now the information shows up but the image does not gets removed from the RecyclerView . Here is what I have coded

问题 I am using ViewPager2 for my project. I need to use nested fragments inside a fragment with viewpager2. it works like charm until I try to navigate between fragments(not nested ones). After the first time navigating between fragments, the application crash with the error explained below. the fragment which contains nested fragments OnCreateView method: View view = inflater.inflate(R.layout.orders_fragment, null); ViewPager2 viewPager = view.findViewById(R.id.childViewPager); TabLayout tabs =

问题 I am trying to update the text in a TextView which is located in the activity to show the total price when an item is deleted from RecyclerView. But how can I update a view which belongs to activity from an adapter? 回答1: Here is the solution. Create a public interface called ItemsInteractionListener which has a method void onTotalPriceChanged(double newPrice); inside adapter Create an object of the interface called mListener inside the adapter Create a public setter for mListener Create a

问题 I want to do similar like this, I have used cardview with recyclerview. I added favourite button cardview below you can see the full code. In recyclerview adapter I print the Toast as per position and its working fine, now I need to save the int value of position in shared Preferences in arraylist and display those arraylist in next intent. This is my recyclerview adapter public void onBindViewHolder(NameViewHolder holder, final int position) { holder.textView.setText(names.get(position)

问题 I have a question about how to improve the performance of a large horizontal linear layout. I am creating a table like view that can have anywhere from 50 to 2,500 entries. Each entry is a LinearLayout containing a TextView with some simple text. I have implemented the design by utilizing the LinearListView library. This library allows an ListAdapter to be bound to a LinearLayout to display a view in a horizontal or vertical orientation. The way I have implemented this currently is by

问题 I have a question about how to improve the performance of a large horizontal linear layout. I am creating a table like view that can have anywhere from 50 to 2,500 entries. Each entry is a LinearLayout containing a TextView with some simple text. I have implemented the design by utilizing the LinearListView library. This library allows an ListAdapter to be bound to a LinearLayout to display a view in a horizontal or vertical orientation. The way I have implemented this currently is by

问题 I noticed in this ViewPager2 video that there are 3 different ways of declaring an adapter with Fragment s. What's the difference between them and which 1 should be used for swipe views with tabs using ViewPager2? Option 1 (recommended) class MyFragmentAdapter ( fa: FragmentActivity ) : FragmentStateAdapter(fa) Option 2 class MyFragmentAdapter ( f: Fragment ) : FragmentStateAdapter(f) Option 3 class MyFragmentAdapter ( fm: FragmentManager, l: Lifecycle ) : FragmentStateAdapter(fm, l) 回答1:

问题 I want implement load more progress bar after 10 image or position in my recycler-view. Here is some screenshot which give you more ideas I am fetching data from JSON. Here is example of my code [{ "name": "Thick Wallpaper", "url":{ "small": "https://i.pinimg.com/originals/b1/99/57/b19957de05529750cf4d8270441d5f95.jpg", "medium": "https://i.pinimg.com/originals/b1/99/57/b19957de05529750cf4d8270441d5f95.jpg", "large": "https://i.pinimg.com/originals/b1/99/57/b19957de05529750cf4d8270441d5f95