Unity调用Android语音合成

unity直接调用android方法，调用TextToSpeechBeta需要引入com.goole.tts包。
using System.Collections;using System.Collections.Generic;using UnityEngine;public class IBAndroidTTS{    public delegate void DebugLog(string str);    public static event DebugLog DebugHandle;#if UNITY_ANDROID    public class TextToSpeechInitListener : AndroidJavaProxy    {        public delegate void TTSInitDelegate(int status);        private TTSInitDelegate m_TTSInitDelegate;        public TextToSpeechInitListener() : base("android.speech.tts.TextToSpeech$OnInitListener")        {        }        private void onInit(int status)        {            if (m_TTSInitDelegate != null)            {                m_TTSInitDelegate(status);            }            else            {                Debug.LogError("Init failed. Please call 'SetInitDelegate(TTSInitDelegate mTTSInitDelegate)' first");            }        }        public void SetInitDelegate(TTSInitDelegate TTSInitDelegate)        {            m_TTSInitDelegate = TTSInitDelegate;        }    }    public class TextToSpeechUtteranceCompletedListener : AndroidJavaProxy    {        public delegate void TTSUtteranceCompletedDelegate(string utteranceId);        private TTSUtteranceCompletedDelegate m_TTSUtteranceCompletedDelegate;                public TextToSpeechUtteranceCompletedListener() : base("android.speech.tts.TextToSpeech$OnUtteranceCompletedListener")        {        }        void onUtteranceCompleted(string utteranceId)        {            if (m_TTSUtteranceCompletedDelegate != null)            {                m_TTSUtteranceCompletedDelegate(utteranceId);            }            else            {                if (DebugHandle != null)                {                    DebugHandle("Init failed. Please call 'SetInitDelegate(TTSUtteranceCompletedDelegate m_TTSUtteranceCompletedDelegate)' first");                }            }        }        public void SetUtteranceCompletedDelegate(TTSUtteranceCompletedDelegate TTSUtteranceCompletedDelegate)        {            m_TTSUtteranceCompletedDelegate = TTSUtteranceCompletedDelegate;        }    }    #region singleton    private static object m_locker = new object();    protected static IBAndroidTTS m_instance;    public static IBAndroidTTS Instance    {        get        {            if (m_instance == null)            {                lock (m_locker)                {                    if (m_instance == null)                    {                        m_instance = new IBAndroidTTS();                        m_instance.Init();                    }                }            }            return m_instance;        }    }    #endregion    #region  TextToSpeech STATE    const int TextToSpeech_SUCCESS = 0;    const int TextToSpeech_LANG_MISSING_DATA = -1;    const int TextToSpeech_LANG_NOT_SUPPORTED = -2;    const int TextToSpeech_QUEUE_FLUSH = 0;    #endregion    #region Android TextToSpeech    //AndroidJavaClass    private AndroidJavaClass Locale;    private AndroidJavaClass UnityPlayer;    //AndroidJavaObject    private AndroidJavaObject m_currentActivity;    private AndroidJavaObject m_androidTTS;    private TextToSpeechInitListener m_initListener;    private TextToSpeechUtteranceCompletedListener m_utteranceCompletedListener;    private void Init()    {        Locale = new AndroidJavaClass("java.util.Locale");        m_initListener = new TextToSpeechInitListener();        m_initListener.SetInitDelegate(OnInitTTSEngine);        UnityPlayer = new AndroidJavaClass("com.unity3d.player.UnityPlayer");        m_currentActivity = UnityPlayer.GetStatic("currentActivity");        m_androidTTS = new AndroidJavaObject("android.speech.tts.TextToSpeech", m_currentActivity, m_initListener);        m_utteranceCompletedListener = new TextToSpeechUtteranceCompletedListener();        m_utteranceCompletedListener.SetUtteranceCompletedDelegate(OnUtteranceCompleted);        int result = m_androidTTS.Call("setOnUtteranceCompletedListener", m_utteranceCompletedListener);        if (DebugHandle != null)        {            DebugHandle("setComplete" + result);        }    }    #endregion    private bool m_isChinese = false;    public bool IsChinese    {        get        {            return m_isChinese;        }    }    private void OnInitTTSEngine(int status)    {        if (status == TextToSpeech_SUCCESS)        {            int result = m_androidTTS.Call("setLanguage", Locale.GetStatic("CHINESE"));            if (result != TextToSpeech_SUCCESS)            {                string error = "Chinese not supported, English Mode Start Instead";                if (DebugHandle != null)                {                    DebugHandle(error);                }                //error.ShowToast();                m_androidTTS.Call("setLanguage", Locale.GetStatic("US"));            }            else            {                m_isChinese = true;            }        }    }    private void OnUtteranceCompleted(string utteranceId)    {        if (DebugHandle != null)        {            DebugHandle(utteranceId);        }    }    public void Speak(string str)    {        if (IsDone() == true)        {            m_androidTTS.Call("speak",  new AndroidJavaObject("java.lang.String", CSharpString), TextToSpeech_QUEUE_FLUSH, null, str);        }    }    public bool IsDone()    {        return !IsSpeaking();    }    public void Stop()    {        m_androidTTS.Call("stop");    }    public void SetVolume(int volume)    {        //m_androidTTS.Call("", volume);    }    public void SetRate(float rate)    {        m_androidTTS.Call("setSpeechRate", rate);    }    public void SetPitch(float pitch)    {        m_androidTTS.Call("setPitch", pitch);    }    public bool IsSpeaking()    {        return m_androidTTS.Call("isSpeaking");    }    #region TTSBeta    /**     * public class TextToSpeechBetaInitListener : AndroidJavaProxy    {        public TextToSpeechBetaInitListener() : base("com.google.tts.TextToSpeechBeta$OnInitListener")        {        }        public delegate void TTSBetaInitDelegate(int status, int versionCode);        private TTSBetaInitDelegate m_TTSBetaInitDelegate;        private void OnInit(int status, int versionCode)        {            if (m_TTSBetaInitDelegate != null)            {                m_TTSBetaInitDelegate(status, versionCode);            }            else            {                Debug.LogError("Init failed. Please call 'SetInitDelegate(TextToSpeechBetaInitListener m_TTSBetaInitDelegate)' first");            }        }        public void SetInitDelegate(TTSBetaInitDelegate TTSBetaInitDelegate)        {            m_TTSBetaInitDelegate = TTSBetaInitDelegate;        }    }    private AndroidJavaObject m_androidTTSBeta;    private TextToSpeechBetaInitListener m_betainitListener;    private void InitAndroidTextToSpeechBeta()    {       ///需要引入com.google.tts jave包       m_betainitListener = new TextToSpeechBetaInitListener();       m_betainitListener.SetInitDelegate(OnInitTTSBetaEngine);       UnityPlayer = new AndroidJavaClass("com.unity3d.player.UnityPlayer");       m_currentActivity = UnityPlayer.GetStatic("currentActivity");       m_androidTTSBeta = new AndroidJavaObject ("com.google.tts.TextToSpeechBeta", m_currentActivity, m_betainitListener);           }    private void OnInitTTSBetaEngine(int status, int versionCode)    {        if (status == TextToSpeech_SUCCESS)        {            int result = m_androidTTSBeta.Call("setLanguage", Locale.GetStatic("CHINA"));            if (result != TextToSpeech_SUCCESS)            {                string error = "Chinese not supported, English Mode Start Instead";                error.ShowToast();                m_androidTTSBeta.Call("setLanguage", Locale.GetStatic("US"));            }        }    }    **/    #endregion#endif}
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