android-adapter

I a using ViewPager with FragmentStatePageAdapter on my screen I have 5 pages which has lots of images and views. Currently I have mViewPager.setOffscreenPageLimit(1); so only current, previous and next will be in memory and other 2 will be destroyed. But for that destroyed fragments I want to make use of saveState() and restoreState() of the adapter to maintain its state so when I come back to that screen it will anyways go to onCreateView() of that fragment what will maintain state also. Having mViewPager.setOffscreenPageLimit(4); is not a good option as it has memory issues. I searched a

I'm struggeling with the RecyclerView. I use a recycler view to display the details of my model class. //My model class MyModel { String name; Double latitude; Double longitude; Boolean isOnline; ... } Since some of the values might not be present, I use the RecyclerView with custom view types (one representing each value of my model). //Inside my custom adapter public void setModel(T model) { //Reset values itemCount = 0; deviceOfflineViewPosition = -1; mapViewPosition = -1; //If device is offline, add device offline item if (device.isOnline() == null || !device.isOnline()) {

I would like to use ButterKnife to bind my views inside listView adpater. I tried this, but i can not simply use my "spinner" var. public class WarmSpinnerAdapter extends ArrayAdapter<Warm> { Context context; public WarmSpinnerAdapter(Context context, int resource, Warm[] objects) { super(context, resource, objects); } @Override public View getView(int position, View convertView, ViewGroup parent) { View v = LayoutInflater.from(context).inflate(R.layout.item_spinner, null); return v; } @OnClick(R.id.spinner) public void onClick() { //open dialog and select } static class ViewHolder { @BindView

I'm using Paging Library to load data from network using ItemKeyedDataSource . After fetching items user can edit them, this updates are done inside in Memory cache (no database like Room is used). Now since the PagedList itself cannot be updated (discussed here ) I have to recreate PagedList and pass it to the PagedListAdapter . The update itself is no problem but after updating the recyclerView with the new PagedList , the list jumps to the beginning of the list destroying previous scroll position. Is there anyway to update PagedList while keeping scroll position (like how it works with Room