Init project

JapaneseTTS/.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.externalNativeBuild

JapaneseTTS/TTSLibrary/.gitignore

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+/build

JapaneseTTS/TTSLibrary/build.gradle

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+apply plugin: 'com.android.library'
+
+android {
+    compileSdkVersion 26
+
+
+
+    defaultConfig {
+        minSdkVersion 21
+        targetSdkVersion 26
+        versionCode 1
+        versionName "1.0"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation 'com.android.support:appcompat-v7:26.1.0'
+}

JapaneseTTS/TTSLibrary/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

JapaneseTTS/TTSLibrary/src/main/AndroidManifest.xml

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.java.ttslibrary" />

JapaneseTTS/TTSLibrary/src/main/java/com/java/ttslibrary/TTSLib.java

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+package com.java.ttslibrary;
+
+import android.content.Intent;
+import android.os.Build;
+import android.os.Bundle;
+import android.app.Activity;
+
+import java.util.HashMap;
+import java.util.Locale;
+import java.util.Set;
+
+import android.speech.tts.TextToSpeech;
+import android.util.Log;
+import android.media.AudioManager;
+import java.util.Locale;
+
+public class TTSLib {
+    static TextToSpeech tts;
+    static Locale _locale = Locale.JAPANESE;
+    static String packagetouse = "com.google.android.tts";
+
+    static Bundle bundle = null;
+    static HashMap<String, String> param;
+    static Locale.Builder builder = new Locale.Builder();
+
+    public static boolean IsRunning(){
+        return (tts!=null);
+    }
+
+    public static void SetPitch(float pitch){
+        if(tts!=null){
+            tts.setPitch(pitch);
+        }
+    }
+
+    public static void SetSpeedRate(float speechrate){
+        if(tts!=null){
+            tts.setSpeechRate(speechrate);
+        }
+    }
+
+    public static boolean SetLocale(String locale, String script, String region){
+        Locale locale_ = builder.setLanguage(locale).setScript(script).setRegion(region).build();
+        if(tts==null){
+            return false;
+        }
+        int result = tts.setLanguage(locale_);
+        if (result == TextToSpeech.LANG_MISSING_DATA|| result == TextToSpeech.LANG_NOT_SUPPORTED) {
+            return false;
+        }
+        _locale = locale_;
+        return true;
+    }
+
+    public static String GetLocale(){
+        return (tts!=null) ? tts.getLanguage().toString() : "";
+    }
+
+    public static String[] GetAvailableLocales(){
+
+        /*if(instance.tts!=null){
+            Set<Locale> locales = instance.tts.getAvailableLanguages();
+            String[] temp = new String[locales.size()];
+            Locale[] _locales = locales.toArray(new Locale[0]);
+            for(int i=0;i<locales.size();i++){
+                temp[i]=_locales[i].toString();
+            }
+
+            return temp;
+        }
+
+        return new String[]{};*/
+        Locale[] locales = Locale.getAvailableLocales();
+        String[] temp = new String[locales.length];
+
+        for(int i=0;i<locales.length;i++){
+            temp[i] = locales[i].toString();
+        }
+
+        return temp;
+    }
+
+    public static boolean setEngineByPackageName(String packagename){
+
+        if(tts!=null && tts.setEngineByPackageName(packagename)==TextToSpeech.SUCCESS){
+            return true;
+        }
+        return false;
+    }
+
+
+    public static void StartTTS(final Activity activity)
+    {
+        activity.setVolumeControlStream(AudioManager.STREAM_MUSIC);
+
+        tts = new TextToSpeech(activity.getApplicationContext(), new TextToSpeech.OnInitListener() {
+            @Override
+            public void onInit(int status) {
+                if (status == TextToSpeech.SUCCESS) {
+
+                    int result = tts.setLanguage(Locale.JAPANESE);
+                    if (result == TextToSpeech.LANG_MISSING_DATA
+                            || result == TextToSpeech.LANG_NOT_SUPPORTED) {
+                        Log.e("error", "Language Not supported");
+                        DownloadTTSData(activity);
+                    }
+                    else{
+                        Log.v("TTS","onInit succeeded");
+                    }
+                } else {
+                    Log.e("error","Initialization Failed");
+                }
+
+            }
+        },packagetouse);
+    }
+
+    public static void DownloadTTSData(Activity activity) {
+        Intent installTTSIntent = new Intent();
+        installTTSIntent.setAction(TextToSpeech.Engine.ACTION_INSTALL_TTS_DATA);
+        activity.startActivity(installTTSIntent);
+    }
+
+    public static boolean IsUttering() {
+        if(tts!=null && tts.isSpeaking()){
+            return true;
+        }
+        return false;
+    }
+
+    public static void StopUtterance(){
+        if(tts!=null){
+            tts.stop();
+        }
+    }
+
+    public static boolean GetLanguageAvailability(Activity activity, String locale) {
+        int result = tts.isLanguageAvailable(builder.setLanguage(locale).build());
+
+        if(!(result == TextToSpeech.LANG_MISSING_DATA || result == TextToSpeech.LANG_NOT_SUPPORTED)) {
+            return true;
+        }
+        else {
+            //DownloadTTSData(activity);
+            return false;
+        }
+    }
+
+    public static void Speak(String s){
+
+        //Log.e("error","SpeakJapanese Is Running normally: " + tts.toString());
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+            //Log.v("Change to new API", "Speak new API");
+            if(bundle==null){
+                Bundle bundle = new Bundle();
+                bundle.putInt(TextToSpeech.Engine.KEY_PARAM_STREAM, AudioManager.STREAM_MUSIC);
+            }
+            tts.speak(s, TextToSpeech.QUEUE_FLUSH, bundle, null);
+        } else {
+            //Log.v(s, "Speak old API");
+            if(param==null){
+                param = new HashMap<>();
+                param.put(TextToSpeech.Engine.KEY_PARAM_STREAM, String.valueOf(AudioManager.STREAM_MUSIC));
+            }
+
+            tts.speak(s, TextToSpeech.QUEUE_FLUSH, param);
+        }
+    }
+
+    static protected void onDestroy() {
+        // Don't forget to shutdown tts!
+        if (tts != null) {
+            Log.v("onDestroy()","onDestroy: shutdown TTS");
+            tts.stop();
+            tts.shutdown();
+        }
+    }
+
+    public static void StopTTS() {
+        onDestroy();
+    }
+}

JapaneseTTS/TTSLibrary/src/main/res/values/strings.xml

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+<resources>
+    <string name="app_name">TTSLibrary</string>
+</resources>

JapaneseTTS/app/.gitignore

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+/build

JapaneseTTS/app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 26
+    defaultConfig {
+        applicationId "com.jongamedev.ttstest"
+        minSdkVersion 21
+        targetSdkVersion 26
+        versionCode 1
+        versionName "1.0"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation 'com.android.support:appcompat-v7:26.1.0'
+}