UI theme can be changed

app/src/main/java/com/jens/automation2/ActivitySettings.java

@@ -17,9 +17,13 @@ public class ActivitySettings extends PreferenceActivity
 	{
 		super.onCreate(savedInstanceState);
 		Miscellaneous.setDisplayLanguage(this);
+
+		// Dark Theme doesn't work in PreferenceActivity, so only a bright theme is readable
+
 		if(Settings.uiTheme != 0)
 			this.setTheme(R.style.AppThemeCompatLight);
 //		Miscellaneous.setUiTheme(this);
+
 		addPreferencesFromResource(layout.activity_settings);
 
 		if(BuildConfig.FLAVOR.equals(AutomationService.flavor_name_apk))