fixed the system spellchecker not being detected on CAT S22 Flip

app/src/main/java/io/github/sspanak/tt9/preferences/screens/setup/DummySpellCheckerListener.java

@@ -0,0 +1,10 @@
+package io.github.sspanak.tt9.preferences.screens.setup;
+
+import android.view.textservice.SentenceSuggestionsInfo;
+import android.view.textservice.SpellCheckerSession;
+import android.view.textservice.SuggestionsInfo;
+
+class DummySpellCheckerListener implements SpellCheckerSession.SpellCheckerSessionListener {
+	public void onGetSuggestions(SuggestionsInfo[] results){}
+	public void onGetSentenceSuggestions(SentenceSuggestionsInfo[] results){}
+}

app/src/main/java/io/github/sspanak/tt9/preferences/screens/setup/ItemSpellCheck.java

@@ -1,7 +1,10 @@
 package io.github.sspanak.tt9.preferences.screens.setup;
 
+import android.content.Context;
 import android.content.Intent;
 import android.service.textservice.SpellCheckerService;
+import android.view.textservice.SpellCheckerSession;
+import android.view.textservice.TextServicesManager;
 
 import androidx.preference.Preference;
 
@@ -18,13 +21,14 @@ public class ItemSpellCheck extends ItemClickable {
 		if (DeviceInfo.noTouchScreen(activity)) {
 			disable();
 			item.setVisible(false);
-		} else if (isSpellCheckEnabled(activity)) {
+		} else if (isSpellCheckEnabled(activity) || isTextSpellCheckerEnabled(activity)) {
 			enable();
 		} else {
 			disable();
 		}
 	}
 
+
 	private boolean isSpellCheckEnabled(PreferencesActivity activity) {
 		if (activity == null) {
 			return false;
@@ -34,6 +38,23 @@ public class ItemSpellCheck extends ItemClickable {
 		return activity.getPackageManager().resolveService(spellCheckIntent, 0) != null;
 	}
 
+
+	private boolean isTextSpellCheckerEnabled(PreferencesActivity activity) {
+		if (activity == null) {
+			return false;
+		}
+
+		TextServicesManager tsm = (TextServicesManager) activity.getSystemService(Context.TEXT_SERVICES_MANAGER_SERVICE);
+		SpellCheckerSession session = tsm.newSpellCheckerSession(null, null, new DummySpellCheckerListener(), true);
+		if (session == null) {
+			return false;
+		}
+
+		session.close();
+		return true;
+	}
+
+
 	@Override
 	public void enable() {
 		if (item != null) {
@@ -43,6 +64,7 @@ public class ItemSpellCheck extends ItemClickable {
 		}
 	}
 
+
 	@Override
 	public void disable() {
 		if (item != null) {
@@ -51,6 +73,7 @@ public class ItemSpellCheck extends ItemClickable {
 		}
 	}
 
+
 	@Override
 	public void enableClickHandler() {
 		if (item != null && item.isEnabled()) {
@@ -58,6 +81,7 @@ public class ItemSpellCheck extends ItemClickable {
 		}
 	}
 
+
 	@Override
 	protected boolean onClick(Preference p) {
 		return UI.showSystemSpellCheckerSettings(p.getContext());