Enable opening TTS settings from MainActivity

app/src/main/java/io/bartek/MainActivity.kt

@@ -4,6 +4,8 @@ import android.content.Intent
 import android.os.Build
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import android.provider.Settings
+import android.provider.Settings.*
 import android.view.View
 import io.bartek.service.ForegroundService
 
@@ -20,6 +22,8 @@ class MainActivity : AppCompatActivity() {
 
     fun stopServer(view: View) = actionOnService(ForegroundService.STOP)
 
+    fun openTTSSettings(view: View) = startActivity(Intent("com.android.settings.TTS_SETTINGS"))
+
     private fun actionOnService(action: String) {
         Intent(this, ForegroundService::class.java).also {
             it.action = action

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

@@ -44,5 +44,6 @@
         android:id="@+id/ttsSettings"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:onClick="openTTSSettings"
         android:text="@string/main_activity_tts_settings" />
 </LinearLayout>