fixed language search crashing for real this time

app/src/main/java/io/github/sspanak/tt9/preferences/items/ItemTextInput.java

@@ -6,6 +6,8 @@ import android.os.Looper;
 import android.text.Editable;
 import android.text.TextWatcher;
 import android.util.AttributeSet;
+import android.view.KeyEvent;
+import android.view.View;
 import android.widget.EditText;
 
 import androidx.annotation.NonNull;
@@ -19,7 +21,6 @@ import io.github.sspanak.tt9.util.Logger;
 
 abstract public class ItemTextInput extends ScreenPreference implements TextWatcher {
 	@NonNull private final Handler debouncer = new Handler(Looper.getMainLooper());
-	private int debounceTime = SettingsStore.TEXT_INPUT_DEBOUNCE_TIME;
 
 	public ItemTextInput(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr, int defStyleRes) {
 		super(context, attrs, defStyleAttr, defStyleRes);
@@ -45,6 +46,7 @@ abstract public class ItemTextInput extends ScreenPreference implements TextWatc
 			Logger.e(getClass().getSimpleName(), "Cannot attach a text change listener. Unable to find the EditText element.");
 		} else {
 			editText.addTextChangedListener(this);
+			editText.setOnKeyListener(this::ignoreEnter);
 		}
 	}
 
@@ -56,12 +58,16 @@ abstract public class ItemTextInput extends ScreenPreference implements TextWatc
 
 	@Override
 	public void afterTextChanged(Editable s) {
-		if (debounceTime > 0) {
 		debouncer.removeCallbacksAndMessages(null);
-			debouncer.postDelayed(() -> onChange(s.toString()), debounceTime);
+		debouncer.postDelayed(() -> onChange(s.toString()), SettingsStore.TEXT_INPUT_DEBOUNCE_TIME);
-		} else {
-			onChange(s.toString());
 	}
+
+	/**
+	 * This prevents IllegalStateException "focus search returned a view that wasn't able to take focus!",
+	 * which is thrown when the EditText is focused and it receives a simulated ENTER key event.
+	 */
+	private boolean ignoreEnter(View v, int keyCode, KeyEvent e) {
+		return keyCode == KeyEvent.KEYCODE_ENTER;
 	}
 
 	protected abstract void onChange(String word);

app/src/main/java/io/github/sspanak/tt9/preferences/screens/languageSelection/PreferenceSearchLanguage.java

@@ -2,17 +2,13 @@ package io.github.sspanak.tt9.preferences.screens.languageSelection;
 
 import android.content.Context;
 import android.util.AttributeSet;
-import android.view.inputmethod.EditorInfo;
-import android.widget.EditText;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.preference.Preference;
-import androidx.preference.PreferenceViewHolder;
 
 import java.util.ArrayList;
 
-import io.github.sspanak.tt9.R;
 import io.github.sspanak.tt9.preferences.items.ItemTextInput;
 
 public class PreferenceSearchLanguage extends ItemTextInput {
@@ -35,15 +31,6 @@ public class PreferenceSearchLanguage extends ItemTextInput {
 		super(context);
 	}
 
-	@Override
-	public void onBindViewHolder(@NonNull PreferenceViewHolder holder) {
-		super.onBindViewHolder(holder);
-		EditText editText = holder.itemView.findViewById(R.id.input_text_input_field);
-		if (editText != null) {
-			editText.setImeOptions(EditorInfo.IME_ACTION_NONE);
-		}
-	}
-
 	private void showNoResultItem(boolean show) {
 		if (noResultItem != null) {
 			noResultItem.setVisible(show);

app/src/main/res/layout/pref_input_text.xml

@@ -22,7 +22,9 @@
 		android:focusableInTouchMode="true"
 		android:layout_height="wrap_content"
 		android:layout_width="match_parent"
-		android:minHeight="@dimen/preferences_text_min_height" />
+		android:minHeight="@dimen/preferences_text_min_height"
+		android:singleLine="true"
+		android:imeOptions="actionNone" />
 
 	<TextView android:id="@android:id/summary"
 		android:layout_height="wrap_content"