Search Action

public class AppUserSearchActivity extends AppCompatActivity {

    private static final String TAG = "AppUserSearchActivityTag";
    RecyclerView recyclerView;
    EditText searchEt;

    UserDetails myUser;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_app_user_search);

        _init();

        SearchAction();
    }

    private void SearchAction() {
        searchEt.setOnEditorActionListener(new TextView.OnEditorActionListener() {
            @Override
            public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
                String str = searchEt.getText().toString().trim();
                Log.d(TAG, "onEditorAction: " + str);
                Log.d(TAG, "onEditorAction: Action: " + actionId);
                if (actionId == EditorInfo.IME_ACTION_DONE ) {
                    str = str.toLowerCase();
                    Log.d(TAG, "onEditorAction: Done!!");

                    FirebaseFirestore.getInstance().collection(Constants.FIRESTORE_USERS)
                            .whereEqualTo("username", str)
                            .get()
                            .addOnSuccessListener(new OnSuccessListener<QuerySnapshot>() {
                                @Override
                                public void onSuccess(QuerySnapshot queryDocumentSnapshots) {
                                    ArrayList<UserDetails> userDetails = new ArrayList<>();
                                    Log.d(TAG, "onSuccess: SearchSize: " + queryDocumentSnapshots.size());

                                    for (QueryDocumentSnapshot snapshot : queryDocumentSnapshots) {
                                        UserDetails userDetail = snapshot.toObject(UserDetails.class);
                                        if(!userDetail.getPhone().equalsIgnoreCase(myUser.getPhone())) {
                                            userDetails.add(userDetail);
                                        }
                                    }

                                    AppUserSearchAdapter adapter = new AppUserSearchAdapter(AppUserSearchActivity.this, userDetails);
                                    recyclerView.setAdapter(adapter);
                                }
                            });

                    return true;
                }
                return false;
            }
        });

        searchEt.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {

            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {

            }

            @Override
            public void afterTextChanged(Editable s) {
                ArrayList<UserDetails> userDetails = new ArrayList<>();
                AppUserSearchAdapter adapter = new AppUserSearchAdapter(AppUserSearchActivity.this, userDetails);
                recyclerView.setAdapter(adapter);
            }
        });
    }

    private void _init() {
        recyclerView = findViewById(R.id.app_user_search_rcv);
        recyclerView.setLayoutManager(new LinearLayoutManager(this));
        searchEt = findViewById(R.id.app_user_search_username);

        myUser = Constants.getUser(this);
    }
}