Add Android demo for Kokoro TTS 1.0 (#1799)

scripts/apk/build-apk-tts-engine.sh.in

@@ -97,6 +97,11 @@ sed -i.bak s/"lang = null"/"lang = \"$lang_iso_639_3\""/ ./TtsEngine.kt
   sed -i.bak s/"lexicon = null"/"lexicon = \"lexicon.txt\""/ ./TtsEngine.kt
 {% endif %}
 
+{% if tts_model.lexicon %}
+  lexicon={{ tts_model.lexicon }}
+  sed -i.bak s%"lexicon = null"%"lexicon = \"$lexicon\""% ./TtsEngine.kt
+{% endif %}
+
 git diff
 popd
 
@@ -104,6 +109,10 @@ if [[ $model_dir == vits-melo-tts-zh_en ]]; then
   lang=zh_en
 fi
 
+if [[ $model_dir == kokoro-multi-lang-v1_0 ]]; then
+  lang=zh_en
+fi
+
 for arch in arm64-v8a armeabi-v7a x86_64 x86; do
   log "------------------------------------------------------------"
   log "build tts apk for $arch"

scripts/apk/build-apk-tts.sh.in

@@ -96,6 +96,11 @@ sed -i.bak s/"modelDir = null"/"modelDir = \"$model_dir\""/ ./MainActivity.kt
   sed -i.bak s/"lexicon = null"/"lexicon = \"lexicon.txt\""/ ./MainActivity.kt
 {% endif %}
 
+{% if tts_model.lexicon %}
+  lexicon={{ tts_model.lexicon }}
+  sed -i.bak s%"lexicon = null"%"lexicon = \"$lexicon\""% ./MainActivity.kt
+{% endif %}
+
 git diff
 popd
 
@@ -103,6 +108,10 @@ if [[ $model_dir == vits-melo-tts-zh_en ]]; then
   lang=zh_en
 fi
 
+if [[ $model_dir == kokoro-multi-lang-v1_0 ]]; then
+  lang=zh_en
+fi
+
 for arch in arm64-v8a armeabi-v7a x86_64 x86; do
   log "------------------------------------------------------------"
   log "build tts apk for $arch"

scripts/apk/generate-tts-apk-script.py

@@ -41,6 +41,7 @@ class TtsModel:
     dict_dir: Optional[str] = None
     is_char: bool = False
     lang_iso_639_3: str = ""
+    lexicon: str = ""
 
 
 def convert_lang_to_iso_639_3(models: List[TtsModel]):
@@ -422,7 +423,21 @@ def get_kokoro_models() -> List[TtsModel]:
         m.data_dir = f"{m.model_dir}/espeak-ng-data"
         m.voices = "voices.bin"
 
-    return english_models
+    multi_lingual_models = [
+        TtsModel(
+            model_dir="kokoro-multi-lang-v1_0",
+            model_name="model.onnx",
+            lang="en",
+        )
+    ]
+    for m in multi_lingual_models:
+        m.data_dir = f"{m.model_dir}/espeak-ng-data"
+        m.dict_dir = f"{m.model_dir}/dict"
+        m.voices = "voices.bin"
+        m.lexicon = f"{m.model_dir}/lexicon-us-en.txt,{m.model_dir}/lexicon-zh.txt"
+        m.rule_fsts = f"{m.model_dir}/phone-zh.fst,{m.model_dir}/date-zh.fst,{m.model_dir}/number-zh.fst"
+
+    return english_models + multi_lingual_models
 
 
 def main():