1 files changed, 31 insertions, 11 deletions

diff --git a/platform/android/tts_android.cpp b/platform/android/tts_android.cpp
index c08c1d4941..aef59c2584 100644
--- a/platform/android/tts_android.cpp
+++ b/platform/android/tts_android.cpp
@@ -35,9 +35,11 @@
 #include "string_android.h"
 #include "thread_jandroid.h"
 
+bool TTS_Android::initialized = false;
 jobject TTS_Android::tts = nullptr;
 jclass TTS_Android::cls = nullptr;
 
+jmethodID TTS_Android::_init = nullptr;
 jmethodID TTS_Android::_is_speaking = nullptr;
 jmethodID TTS_Android::_is_paused = nullptr;
 jmethodID TTS_Android::_get_voices = nullptr;
@@ -49,23 +51,34 @@ jmethodID TTS_Android::_stop_speaking = nullptr;
 HashMap<int, Char16String> TTS_Android::ids;
 
 void TTS_Android::setup(jobject p_tts) {
-	JNIEnv *env = get_jni_env();
+	bool tts_enabled = GLOBAL_GET("audio/general/text_to_speech");
+	if (tts_enabled) {
+		JNIEnv *env = get_jni_env();
+		ERR_FAIL_COND(env == nullptr);
+
+		tts = env->NewGlobalRef(p_tts);
 
-	tts = env->NewGlobalRef(p_tts);
+		jclass c = env->GetObjectClass(tts);
+		cls = (jclass)env->NewGlobalRef(c);
 
-	jclass c = env->GetObjectClass(tts);
-	cls = (jclass)env->NewGlobalRef(c);
+		_init = env->GetMethodID(cls, "init", "()V");
+		_is_speaking = env->GetMethodID(cls, "isSpeaking", "()Z");
+		_is_paused = env->GetMethodID(cls, "isPaused", "()Z");
+		_get_voices = env->GetMethodID(cls, "getVoices", "()[Ljava/lang/String;");
+		_speak = env->GetMethodID(cls, "speak", "(Ljava/lang/String;Ljava/lang/String;IFFIZ)V");
+		_pause_speaking = env->GetMethodID(cls, "pauseSpeaking", "()V");
+		_resume_speaking = env->GetMethodID(cls, "resumeSpeaking", "()V");
+		_stop_speaking = env->GetMethodID(cls, "stopSpeaking", "()V");
 
-	_is_speaking = env->GetMethodID(cls, "isSpeaking", "()Z");
-	_is_paused = env->GetMethodID(cls, "isPaused", "()Z");
-	_get_voices = env->GetMethodID(cls, "getVoices", "()[Ljava/lang/String;");
-	_speak = env->GetMethodID(cls, "speak", "(Ljava/lang/String;Ljava/lang/String;IFFIZ)V");
-	_pause_speaking = env->GetMethodID(cls, "pauseSpeaking", "()V");
-	_resume_speaking = env->GetMethodID(cls, "resumeSpeaking", "()V");
-	_stop_speaking = env->GetMethodID(cls, "stopSpeaking", "()V");
+		if (_init) {
+			env->CallVoidMethod(tts, _init);
+			initialized = true;
+		}
+	}
 }
 
 void TTS_Android::_java_utterance_callback(int p_event, int p_id, int p_pos) {
+	ERR_FAIL_COND_MSG(!initialized, "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
 	if (ids.has(p_id)) {
 		int pos = 0;
 		if ((DisplayServer::TTSUtteranceEvent)p_event == DisplayServer::TTS_UTTERANCE_BOUNDARY) {
@@ -86,6 +99,7 @@ void TTS_Android::_java_utterance_callback(int p_event, int p_id, int p_pos) {
 }
 
 bool TTS_Android::is_speaking() {
+	ERR_FAIL_COND_V_MSG(!initialized, false, "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
 	if (_is_speaking) {
 		JNIEnv *env = get_jni_env();
 
@@ -97,6 +111,7 @@ bool TTS_Android::is_speaking() {
 }
 
 bool TTS_Android::is_paused() {
+	ERR_FAIL_COND_V_MSG(!initialized, false, "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
 	if (_is_paused) {
 		JNIEnv *env = get_jni_env();
 
@@ -108,6 +123,7 @@ bool TTS_Android::is_paused() {
 }
 
 Array TTS_Android::get_voices() {
+	ERR_FAIL_COND_V_MSG(!initialized, Array(), "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
 	Array list;
 	if (_get_voices) {
 		JNIEnv *env = get_jni_env();
@@ -135,6 +151,7 @@ Array TTS_Android::get_voices() {
 }
 
 void TTS_Android::speak(const String &p_text, const String &p_voice, int p_volume, float p_pitch, float p_rate, int p_utterance_id, bool p_interrupt) {
+	ERR_FAIL_COND_MSG(!initialized, "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
 	if (p_interrupt) {
 		stop();
 	}
@@ -157,6 +174,7 @@ void TTS_Android::speak(const String &p_text, const String &p_voice, int p_volum
 }
 
 void TTS_Android::pause() {
+	ERR_FAIL_COND_MSG(!initialized, "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
 	if (_pause_speaking) {
 		JNIEnv *env = get_jni_env();
 
@@ -166,6 +184,7 @@ void TTS_Android::pause() {
 }
 
 void TTS_Android::resume() {
+	ERR_FAIL_COND_MSG(!initialized, "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
 	if (_resume_speaking) {
 		JNIEnv *env = get_jni_env();
 
@@ -175,6 +194,7 @@ void TTS_Android::resume() {
 }
 
 void TTS_Android::stop() {
+	ERR_FAIL_COND_MSG(!initialized, "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
 	for (const KeyValue<int, Char16String> &E : ids) {
 		DisplayServer::get_singleton()->tts_post_utterance_event(DisplayServer::TTS_UTTERANCE_CANCELED, E.key);
 	}