Updating adapter of AutoCompleteTextView from LiveData - adapter

Question

I have a AutoCompleteTextView that I give it 2 different adapters depending on the amount of text that is being present at the textview - if it has 0 characters I want it to display a list of "recently searched" strings adapter, while if it has more than 1 characters I want it to display auto completion list.
My getRecentlySearchedQueries method along with the RecentSearchedViewModel-
private List<String> recentlySearchedQueries = new ArrayList<>(); // pasted from the top of the class
#Override
public void getRecentlySearchedQueries() {
recentSearchViewModel.getAllQueries().observe(getActivity(), databaseRecentlySearchList -> {
if (databaseRecentlySearchList == null) {
return;
}
for (int i = 0; i < databaseRecentlySearchList.size(); i++) {
Log.d("localDBValue", "Added value - " + databaseRecentlySearchList.get(i).toString() + "\n");
String query = databaseRecentlySearchList.get(i).getQuery();
recentlySearchedQueries.add(query);
}
//Log.d("localDBValue", "recent search list value - " + recentlySearchedQueries);
});
}
public class RecentSearchViewModel extends AndroidViewModel {
private RecentSearchRepository recentSearchRepository;
private LiveData<List<RecentSearchModel>> allRecentlySearched;
public RecentSearchViewModel(#NonNull Application application) {
super(application);
recentSearchRepository = new RecentSearchRepository(application);
allRecentlySearched = recentSearchRepository.getAllRecentSearches();
}
public void insert(RecentSearchModel model) {
recentSearchRepository.insert(model);
}
public void update(RecentSearchModel model) {
// add implementation in the future if needed
}
public void delete(RecentSearchModel model) {
// add implementation in the future if needed
}
public LiveData<List<RecentSearchModel>> getAllQueries() {
return allRecentlySearched;
}
}
public class RecentSearchRepository {
private RecentSearchDao recentSearchDao;
private LiveData<List<RecentSearchModel>> allRecentSearches;
public RecentSearchRepository(Application application) {
MarketplaceDatabase database = MarketplaceDatabase.getRecentSearchInstance(application);
recentSearchDao = database.recentSearchDao();
allRecentSearches = recentSearchDao.getRecentSearchList();
}
public void insert(RecentSearchModel model) {
new RecentSearchRepository.InsertRecentSearchAsyncTask(recentSearchDao).execute(model);
}
public void update (RecentSearchModel model) {
//TODO - implement in future if needed
}
public void delete(RecentSearchModel model) {
//TODO - implement in future if needed
}
public LiveData<List<RecentSearchModel>> getAllRecentSearches() {
return allRecentSearches;
}
private static class InsertRecentSearchAsyncTask extends AsyncTask<RecentSearchModel, Void, Void> {
private RecentSearchDao recentSearchDao;
public InsertRecentSearchAsyncTask(RecentSearchDao recentSearchDao) {
this.recentSearchDao = recentSearchDao;
}
#Override
protected Void doInBackground(RecentSearchModel... recentSearchModels) {
recentSearchDao.insert(recentSearchModels[0]);
return null;
}
}
private static class UpdateRecentSearchAsyncTask extends AsyncTask<RecentSearchModel, Void, Void> {
private RecentSearchDao recentSearchDao;
public UpdateRecentSearchAsyncTask(RecentSearchDao recentSearchDao) {
this.recentSearchDao = recentSearchDao;
}
#Override
protected Void doInBackground(RecentSearchModel... recentSearchModels) {
recentSearchDao.update(recentSearchModels[0]);
return null;
}
}
}
#Dao
public interface RecentSearchDao {
#Insert()
void insert(RecentSearchModel model);
#Update
void update(RecentSearchModel model);
#Delete
void delete(RecentSearchModel model);
#Query("select * from recent_search_table")
LiveData<List<RecentSearchModel>> getRecentSearchList();
}
#Entity(tableName = "recent_search_table")
public class RecentSearchModel {
#PrimaryKey(autoGenerate = true)
private int ID;
private String query;
public RecentSearchModel(){
}
public RecentSearchModel(String query) {
this.query = query;
}
public void setID(int ID) {
this.ID = ID;
}
public int getID() {
return ID;
}
public String getQuery() {
return query;
}
public void setQuery(String query) {
this.query = query;
}
#Override
public String toString() {
return "RecentSearchModel{" +
"query='" + query + '\'' +
'}';
}
#Override
public boolean equals(#Nullable Object obj) {
if (obj instanceof RecentSearchModel)
return this.query.equalsIgnoreCase(((RecentSearchModel) obj).query);
return false;
}
}
So, what I am doing here is for start getting all values inside my local DB and adding them to my String list that is part of the adapter. So far so good.
The issue I am facing is that the adapter won't show the amount of strings available in the list that populates it. In fact, it sometimes shows a view half-cut with wierd information, sometimes does not show anything and sometimes shows part of the corrent information. What am I missing?
Another thing I am facing is that the "recently searched" adapter won't work when clicking on the AutoCompleteTextView - it only works when typing and deleting values so the char length is 0. How can I make it work from start of focus?
Here is the way I am populating the information to the ViewModel -
/**
* Shows the searched products following
*/
#Override
public void getSearchedProducts(String searchedQuery) {
MarketplaceUtils.getSearchedProducts(searchedQuery, marketApiCalls, false, initialSearchTake, initialMarketplacePage, new MarketplaceUtils.OnProductsFetchCompleteListener() {
#Override
public void onSuccess(List<MiniProductModel> list) {
if (!searchedQuery.equals(currentSearchedText))
return;
if (list == null) {
//reaching here means we do not have a result to show to the UI so we empty the list.
currentProductList.clear();
productsAdapter.notifyDataSetChanged();
return;
}
if (searchedQuery.length() > 3 && searchAutoCompleteStrings.contains(searchedQuery)) {
Log.d("localDBValue", "searchedValue - " + searchedQuery);
recentSearchViewModel.insert(new RecentSearchModel(searchedQuery));
}
mPresenter.setDiscoverProductsLayoutVisibility(View.GONE);
currentProductList.clear();
currentProductList.addAll(list);
productsAdapter.notifyDataSetChanged();
}
#Override
public void onError(Throwable throwable) {
Log.d("searchedProducts", throwable.getMessage());
}
});
}
The default behaviour for #Insert method of Room is OnConflictStrategy.ABORT - so what I did is to implement equals() method to verify that the RecentSearchModels that are being compared are compared by their string value. Still does seems to effect anything.