Initial Android support.

TTS.gd

@@ -10,6 +10,8 @@ func _ready():
     if TTS.can_instance() or Engine.editor_hint:
         print_debug("Attempting to load TTS.")
         tts = TTS.new()
+    elif Engine.has_singleton("AndroidTTS"):
+        tts = Engine.get_singleton("AndroidTTS")
     else:
         print_debug("TTS not available!")
 
@@ -35,7 +37,9 @@ func stop():
         tts.stop()
 
 func get_is_rate_supported():
-    if tts != null:
+    if Engine.get_singleton("AndroidTTS"):
+        return false
+    elif tts != null:
         return tts.is_rate_supported()
     else:
         return false

android/src/games/lightsout/godot/tts/TTS.java

@@ -0,0 +1,66 @@
+package games.lightsout.godot.tts;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.content.Context;
+import android.speech.tts.TextToSpeech;
+import android.util.Log;
+import com.godot.game.R;
+import javax.microedition.khronos.opengles.GL10;
+import org.godotengine.godot.Godot;
+
+public class TTS extends Godot.SingletonBase implements TextToSpeech.OnInitListener {
+
+    protected Activity appActivity;
+    protected Context appContext;
+    private Godot activity = null;
+    private int instanceId = 0;
+
+    private TextToSpeech tts = null;
+
+    private Integer utteranceId = 0;
+
+    public void speak(String text, boolean interrupt) {
+        int mode = TextToSpeech.QUEUE_ADD;
+        if (interrupt)
+            mode = TextToSpeech.QUEUE_FLUSH;
+        tts.speak(text, mode, null, this.utteranceId.toString());
+        this.utteranceId++;
+    }
+
+    public void stop() {
+        tts.stop();
+    }
+
+    public void getInstanceId(int pInstanceId) {
+        // You will need to call this method from Godot and pass in the get_instance_id().
+        instanceId = pInstanceId;
+    }
+
+    static public Godot.SingletonBase initialize(Activity p_activity) {
+        return new TTS(p_activity);
+    }
+
+    public TTS(Activity p_activity) {
+        this.activity = (Godot)p_activity;
+        this.appActivity = p_activity;
+        this.appContext = appActivity.getApplicationContext();
+        this.tts = new TextToSpeech(this.appContext, this);
+        // Register class name and functions to bind.
+        registerClass("AndroidTTS", new String[]
+            {
+                "speak",
+                "stop",
+                "getInstanceId"
+            });
+        this.activity.runOnUiThread(new Runnable() {
+            public void run() {
+            }
+        });
+
+    }
+
+    public void onInit(int status) {
+    }
+
+}