Android AppCompatAutoCompleteT

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:background="@drawable/edit_main_bg_selector">

                <androidx.appcompat.widget.AppCompatAutoCompleteTextView
                    android:id="@+id/car_code_spinner"
                    style="@style/EditText.Main"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:entries="@array/wallThickness"
                    android:minHeight="35dp" />
            </LinearLayout>

        carCodeSpinner.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                carCodeSpinner.showDropDown();
            }
        });


        if (data.getCarCode() != null) {
                            carCodeAdapter = new ArrayAdapter<>(mContext, R.layout.spinner_item, data.getCarCode());
                            carCodeSpinner.setAdapter(carCodeAdapter);
                        }