Android实例-调用GOOGLE的TTS实现文字转语音(XE7+小米2)(无图)

相关资料：

注意：在手机上必须选安装文字转语音引擎“google Text To Speech”
地址：http://www.shouji56.com/soft/GoogleWenZiZhuanYuYinYinQingGoogleTexttoSpeech_3864/

结果总结：

XE10.1 + 小米手机5 = 通过测试
首先手机上必须安装语音包：
1.“google Text To Speech” (不知为什么我的只发英文)
2.“度秘语音引擎3.0” (中英都可以发音)
3.“科大讯飞语音引擎3.0”(中英都可以发音)
4.APK发音使用的是当前语音包
5.小米手机5-设置-更多设置-语言和输入法-文字转语音（TTS）输出

1. 新建一个单元Androidapi.JNI.TTS

 {*******************************************************}

 {                                                       }

 {           CodeGear Delphi Runtime Library             }

 { Copyright(c) 2013 Jeff Overcash                       }

 {                                                       }

 {*******************************************************}

 { Delphi trnslation for TTS Android Java classes from                            }

 { http://developer.android.com/reference/android/speech/tts/package-summary.html }

 unit Androidapi.JNI.TTS;

 interface

 uses Androidapi.JNIBridge,

   Androidapi.JNI.JavaTypes,

   Androidapi.JNI.Os,

   Androidapi.JNI.App,

   Androidapi.JNI.GraphicsContentViewText;

 type

   {Forward declarations}

   JSynthesisCallback = interface; // android.speech.tts.SynthesisCallback

   JSynthesisRequest = interface; // android.speech.tts.SynthesisRequest

   JTextToSpeech = interface; // android.speech.tts.TextToSpeech

   JTextToSpeech_Engine = interface; // android.speech.tts.TextToSpeech$Engine

   JTextToSpeech_EngineInfo = interface; //android.speech.tts.TextToSpeech$EngineInfo

   JTextToSpeech_OnInitListener = interface; // android.speech.tts.TextToSpeech$OnInitListener

   JTextToSpeech_OnUtteranceCompletedListener = interface; // android.speech.tts.TextToSpeech$OnUtteranceCompletedListener

   JTextToSpeechService = interface; // android.speech.tts.TextToSpeechService

   JUtteranceProgressListener = interface; // android.speech.tts.UtteranceProgressListener

   JSynthesisCallbackClass = interface(IJavaClass)

     ['{3B30766E-A43B-4005-BE92-472CD075F325}']

   end;

   [JavaSignature('android/speech/tts/SynthesisCallback')]

   JSynthesisCallback = interface(IJavaInstance)

     ['{190C13DE-BC7E-44CE-94F6-4AF1A84A4612}']

     function audioAvailable(buffer: TJavaArray<byte>; offset: Integer; length: Integer): Integer; cdecl;

     function done: Integer; cdecl;

     procedure error; cdecl;

     function getMaxBufferSize: Integer; cdecl;

     function start(sampleRateInHz: Integer; audioFormat: Integer;  channelCount: Integer): Integer; cdecl;

   end;

   TJSynthesisCallback = class(TJavaGenericImport<JSynthesisCallbackClass, JSynthesisCallback>) end;

   JSynthesisRequestClass = interface(JObjectClass)

     ['{AE41459D-42C6-4E66-B174-F6FA5216A1DA}']

     { Method }

     function init(text: JString; params: JBundle): JSynthesisRequest;

   end;

   [JavaSignature('android/speech/tts/SynthesisRequest')]

   JSynthesisRequest = interface(JObject)

     ['{1963DAD8-C58F-4868-BF8A-B43AE7A14145}']

     function getCountry: JString; cdecl;

     function getLanguage: JString; cdecl;

     function getParams: JBundle; cdecl;

     function getPitch: Integer; cdecl;

     function getSpeechRate: Integer; cdecl;

     function getText: JString; cdecl;

     function getVariant: JString; cdecl;

   end;

   TJSynthesisRequest = class(TJavaGenericImport<JSynthesisRequestClass, JSynthesisRequest>) end;

   JTextToSpeechClass = interface(JObjectClass)

     ['{0E2C5E49-95BE-4F19-BCCD-21960D03E957}']

     { Property Methods }

     function _GetACTION_TTS_QUEUE_PROCESSING_COMPLETED: JString;

     function _GetERROR: Integer;

     function _GetLANG_AVAILABLE: Integer;

     function _GetLANG_COUNTRY_AVAILABLE: Integer;

     function _GetLANG_COUNTRY_VAR_AVAILABLE: Integer;

     function _GetLANG_MISSING_DATA: Integer;

     function _GetLANG_NOT_SUPPORTED: Integer;

     function _GetQUEUE_ADD: Integer;

     function _GetQUEUE_FLUSH: Integer;

     function _GetSUCCESS: Integer;

     { Methods }

     function init(contect: JContext; listener: JTextToSpeech_OnInitListener) : JTextToSpeech; cdecl; overload;

     function init(context: JContext; listener: JTextToSpeech_OnInitListener; engine: JString): JTextToSpeech; overload;

     { Properties }

     property ACTION_TTS_QUEUE_PROCESSING_COMPLETED: JString read _GetACTION_TTS_QUEUE_PROCESSING_COMPLETED;

     property ERROR: Integer read _GetERROR;

     property LANG_AVAILABLE: Integer read _GetLANG_AVAILABLE;

     property LANG_COUNTRY_AVAILABLE: Integer read _GetLANG_COUNTRY_AVAILABLE;

     property LANG_COUNTRY_VAR_AVAILABLE: Integer read _GetLANG_COUNTRY_VAR_AVAILABLE;

     property LANG_MISSING_DATA: Integer read _GetLANG_MISSING_DATA;

     property LANG_NOT_SUPPORTED: Integer read _GetLANG_NOT_SUPPORTED;

     property QUEUE_ADD: Integer read _GetQUEUE_ADD;

     property QUEUE_FLUSH: Integer read _GetQUEUE_FLUSH;

     property SUCCESS: Integer read _GetSUCCESS;

   end;

   [JavaSignature('android/speech/tts/TextToSpeech')]

   JTextToSpeech = interface(JObject)

     ['{E1D06364-F967-4381-B178-EEDD42C203C7}']

     function addEarcon(earcon: JString; filename: JString): Integer; cdecl; overload;

     function addEarcon(earcon: JString; packagename: JString; resourceID: Integer): Integer; cdecl; overload;

     function addSpeech(text: JString; filename: JString): Integer; cdecl; overload;

     function addSpeech(text: JString; packagename: JString; resourceID: Integer) : Integer; cdecl; overload;

     function areDefaultsEnforced: Boolean; cdecl;

     function getDefaultEngine: JString; cdecl;

     function getEngines: JList; cdecl;

     function getFeatures(locale: JLocale): JSet; cdecl;

     function getLanguage: JLocale; cdecl;

     function isLanguageAvailable(loc: JLocale): Integer; cdecl;

     function isSpeaking: Boolean; cdecl;

     function playEarcon(earcon: JString; queueMode: Integer; params: JHashMap) : Integer; cdecl;

     function playSilence(durationInMs: Int64; queueMode: Integer; params: JHashMap): Integer; cdecl;

     function setEngineByPackageName(enginePackageName: JString): Integer; cdecl;

     function setLanguage(loc: JLocale): Integer; cdecl;

     function setOnUtteranceCompletedListener(listener: JTextToSpeech_OnUtteranceCompletedListener): Integer; cdecl;

     function setOnUtteranceProgressListener(listener: JUtteranceProgressListener): Integer; cdecl;

     function setPitch(pitch: Single): Integer; cdecl;

     function setSpeechRate(speechRate: Single): Integer; cdecl;

     procedure shutdown; cdecl;

     function speak(text: JString; queueMode: Integer; params: JHashMap) : Integer; cdecl;

     function stop: Integer; cdecl;

     function synthesizeToFile(text: JString; params: JHashMap; filename: String) : Integer; cdecl;

   end;

   TJTextToSpeech = class(TJavaGenericImport<JTextToSpeechClass, JTextToSpeech>) end;

   JTextToSpeech_EngineClass = interface(JObjectClass)

     ['{8516EA75-A410-4EEE-8281-9ABCE1577F46}']

     { Property Methods }

     function _GeCHECK_VOICE_DATA_PASS: Integer;

     function _GetACTION_CHECK_TTS_DATA: JString;

     function _GetACTION_INSTALL_TTS_DATA: JString;

     function _GetACTION_TTS_DATA_INSTALLED: JString;

     function _GetCHECK_VOICE_DATA_BAD_DATA: Integer;

     function _GetCHECK_VOICE_DATA_FAIL: Integer;

     function _GetCHECK_VOICE_DATA_MISSING_DATA: Integer;

     function _GetCHECK_VOICE_DATA_MISSING_VOLUME: Integer;

     function _GetDEFAULT_STREAM: Integer;

     function _GetEXTRA_AVAILABLE_VOICES: JString;

     function _GetEXTRA_CHECK_VOICE_DATA_FOR: JString;

     function _GetEXTRA_TTS_DATA_INSTALLED: JString;

     function _GetEXTRA_UNAVAILABLE_VOICES: JString;

     function _GetEXTRA_VOICE_DATA_FILES: JString;

     function _GetEXTRA_VOICE_DATA_FILES_INFO: JString;

     function _GetEXTRA_VOICE_DATA_ROOT_DIRECTORY: JString;

     function _GetINTENT_ACTION_TTS_SERVICE: JString;

     function _GetKEY_FEATURE_EMBEDDED_SYNTHESIS: JString;

     function _GetKEY_FEATURE_NETWORK_SYNTHESIS: JString;

     function _GetKEY_PARAM_PAN: JString;

     function _GetKEY_PARAM_STREAM: JString;

     function _GetKEY_PARAM_UTTERANCE_ID: JString;

     function _GetKEY_PARAM_VOLUME: JString;

     function _GetSERVICE_META_DATA: JString;

     { Methods }

     function init: JTextToSpeech_Engine;

     { Properties }

     property ACTION_CHECK_TTS_DATA: JString read _GetACTION_CHECK_TTS_DATA;

     property ACTION_INSTALL_TTS_DATA: JString read _GetACTION_INSTALL_TTS_DATA;

     property ACTION_TTS_DATA_INSTALLED: JString read _GetACTION_TTS_DATA_INSTALLED;

     property CHECK_VOICE_DATA_BAD_DATA: Integer read _GetCHECK_VOICE_DATA_BAD_DATA;

     property CHECK_VOICE_DATA_FAIL: Integer read _GetCHECK_VOICE_DATA_FAIL;

     property CHECK_VOICE_DATA_MISSING_DATA: Integer read _GetCHECK_VOICE_DATA_MISSING_DATA;

     property CHECK_VOICE_DATA_MISSING_VOLUME: Integer read _GetCHECK_VOICE_DATA_MISSING_VOLUME;

     property CHECK_VOICE_DATA_PASS: Integer read _GeCHECK_VOICE_DATA_PASS;

     property DEFAULT_STREAM: Integer read _GetDEFAULT_STREAM;

     property EXTRA_AVAILABLE_VOICES: JString read _GetEXTRA_AVAILABLE_VOICES;

     property EXTRA_CHECK_VOICE_DATA_FOR: JString read _GetEXTRA_CHECK_VOICE_DATA_FOR;

     property EXTRA_TTS_DATA_INSTALLED: JString read _GetEXTRA_TTS_DATA_INSTALLED;

     property EXTRA_UNAVAILABLE_VOICES: JString read _GetEXTRA_UNAVAILABLE_VOICES;

     property EXTRA_VOICE_DATA_FILES: JString read _GetEXTRA_VOICE_DATA_FILES;

     property EXTRA_VOICE_DATA_FILES_INFO: JString read _GetEXTRA_VOICE_DATA_FILES_INFO;

     property EXTRA_VOICE_DATA_ROOT_DIRECTORY: JString read _GetEXTRA_VOICE_DATA_ROOT_DIRECTORY;

     property INTENT_ACTION_TTS_SERVICE: JString read _GetINTENT_ACTION_TTS_SERVICE;

     property KEY_FEATURE_EMBEDDED_SYNTHESIS: JString read _GetKEY_FEATURE_EMBEDDED_SYNTHESIS;

     property KEY_FEATURE_NETWORK_SYNTHESIS: JString read _GetKEY_FEATURE_NETWORK_SYNTHESIS;

     property KEY_PARAM_PAN: JString read _GetKEY_PARAM_PAN;

     property KEY_PARAM_STREAM: JString read _GetKEY_PARAM_STREAM;

     property KEY_PARAM_UTTERANCE_ID: JString read _GetKEY_PARAM_UTTERANCE_ID;

     property KEY_PARAM_VOLUME: JString read _GetKEY_PARAM_VOLUME;

     property SERVICE_META_DATA: JString read _GetSERVICE_META_DATA;

   end;

   JTextToSpeech_Engine = interface(JObject)

     ['{5BAC3048-CB0C-4DC4-AF62-D0D9AE4394CF}']

   end;

   TJTextToSpeech_Engine = class(TJavaGenericImport<JTextToSpeech_EngineClass, JTextToSpeech_Engine>) end;

   JTextToSpeech_EngineInfoClass = interface(JObjectClass)

   ['{8297AD59-5A6F-4867-A185-CA09BAD90159}']

   {Methods}

     function init : JTextToSpeech_EngineInfo;

   end;

   JTextToSpeech_EngineInfo = interface(JObject)

   ['{204B30D8-6E25-4531-847D-18588D48D9BF}']

   {property Methods}

     function _Geticon: integer;

     function _Getlabel: JString;

     function _Getname: JString;

     procedure _Seticon(const Value: integer);

     procedure _Setlabel(const Value: JString);

     procedure _Setname(const Value: JString);

   {Properties}

     property icon : integer read _Geticon write _Seticon;

     property _label : JString read _Getlabel write _Setlabel;

     property name : JString read _Getname write _Setname;

   end;

   TJTextToSpeech_EngineInfo = class(TJavaGenericImport<JTextToSpeech_EngineInfoClass, JTextToSpeech_EngineInfo>) end;

   JTextToSpeech_OnInitListenerClass = interface(IJavaClass)

     ['{58D32EFB-6528-4EC6-BA4F-28B22FE8E573}']

   end;

   [JavaSignature('android/speech/tts/TextToSpeech$OnInitListener')]

   JTextToSpeech_OnInitListener = interface(IJavaInstance)

     ['{027DA109-680A-4A69-905D-F62E2BD1282F}']

     procedure onInit(status: Integer); cdecl;

   end;

   TJTextToSpeech_OnInitListener = class(TJavaGenericImport<JTextToSpeech_OnInitListenerClass,JTextToSpeech_OnInitListener>) end;

   JTextToSpeech_OnUtteranceCompletedListenerClass = interface(IJavaClass)

     ['{0A608BB9-A6BF-4746-8419-9317AD625DFA}']

   end;

   [JavaSignature('android/speech/tts/TextToSpeech$OnUtteranceCompletedListener')]

   JTextToSpeech_OnUtteranceCompletedListener = interface(IJavaInstance)

     ['{00439F2B-E73C-4B93-A9E3-832AE3CC1D5F}']

     procedure onUtteranceCompleted(utteranceID: JString); cdecl;

   end;

   TJTextToSpeech_OnUtteranceCompletedListener = class(TJavaGenericImport<JTextToSpeech_OnUtteranceCompletedListenerClass, JTextToSpeech_OnUtteranceCompletedListener>) end;

   JTextToSpeechServiceClass = interface(JServiceClass)

   ['{6BCC6ADC-CBCB-4515-A5C3-E33F9787EEC2}']

     function init : JTextToSpeechService;

   end;

   [JavaSignature('android/speech/tts/TextToSpeechService')]

   JTextToSpeechService = interface(JService)

   ['{EE3943B6-88DC-488B-9E10-E0FA9914708D}']

     function onGetFeaturesForLanguage(lang : JString; country : JString; variant : JString) : JSet; cdecl;

     function onGetLanguage : TJavaArray<JString>; cdecl;

     function onIsLanguageAvailable(lang : JString; country : JString; variant : JString) : Integer; cdecl;

     function onLoadLanguage(lang : JString; country : JString; variant : JString) : Integer; cdecl;

     procedure onStop; cdecl;

     procedure onSynthesizeText(request : JSynthesisRequest; callback : JSynthesisCallback); cdecl;

   end;

   TJTextToSpeechService = class(TJavaGenericImport<JTextToSpeechServiceClass, JTextToSpeechService>) end;

   JUtteranceProgressListenerClass = interface(JObjectClass)

     ['{0870532F-6FD7-4B1F-9DEF-B53F0095C98A}']

     { Method }

     function init: JUtteranceProgressListener;

   end;

   [JavaSignature('android/speech/tts/UtteranceProgressListener')]

   JUtteranceProgressListener = interface(JObject)

     ['{8B03499D-0B26-4F36-90E8-F724BD78DB0C}']

     procedure onDone(utteranceID: JString); cdecl;

     procedure onError(utteranceID: JString); cdecl;

     procedure onStart(utteranceID: JString); cdecl;

   end;

   TJUtteranceProgressListener = class(TJavaGenericImport<JUtteranceProgressListenerClass, JUtteranceProgressListener>) end;

 implementation

 end.

2.实例代码

 {********************************************************}

 {    XE10.1 + 小米手机5 = 通过测试                                                    }

 {    首先手机上必须安装语音包                            }

 {    语音包有                                            }

 {    1.“google Text To Speech” (不知为什么我的只发英文)  }

 {    2.“度秘语音引擎3.0” (中英都可以发音)                }

 {    3.“科大讯飞语音引擎3.0”(中英都可以发音)             }

 {    4.APK发音使用的是当前语音包                         }

 {    5.设置-更多设置-语言和输入法-文字转语音（TTS）输出  }

 {********************************************************}

 unit Unit1;

 interface

 uses

   System.SysUtils, System.Types, System.UITypes, System.Classes, System.Variants,

   FMX.Types, FMX.Controls, FMX.Forms, FMX.Graphics, FMX.Dialogs, FMX.ScrollBox,

   FMX.Memo, FMX.Controls.Presentation, FMX.StdCtrls,

   //需要引入的单元

   FMX.Helpers.Android,//引

   Androidapi.Helpers,//引入

   Androidapi.JNIBridge,//引入

   Androidapi.Jni.JavaTypes,//引入

   Androidapi.JNI.TTS;//引入

 type

   TForm1 = class(TForm)

     Button1: TButton;//发音

     Button2: TButton;//初始化

     Memo1: TMemo;//内容，可以是英语，可以是中文

     procedure Button1Click(Sender: TObject);

     procedure Button2Click(Sender: TObject);

   private

     type

       //倾听者

       TttsOnInitListener = class(TJavaLocal, JTextToSpeech_OnInitListener)

       private

         FParent: TForm1;

       public

         constructor Create(AParent: TForm1);

         procedure onInit(status: Integer); cdecl;

       end;

   private

     { Private declarations }

     ttsListener: TttsOnInitListener;//倾听者私有对象

     TTS: JTextToSpeech;//文字TO言语

     procedure SpeakOut;//说话

   public

     { Public declarations }

     constructor Create(AOwner: TComponent); override;

     destructor Destroy; override;

   end;

 var

   Form1: TForm1;

 implementation

 {$R *.fmx}

 {$R *.LgXhdpiPh.fmx ANDROID}

 //发音

 procedure TForm1.Button1Click(Sender: TObject);

 begin

   SpeakOut;

 end;

 //初始化

 procedure TForm1.Button2Click(Sender: TObject);

 begin

   TTS := TJTextToSpeech.JavaClass.init(SharedActivityContext, ttsListener);

 end;

 //建立私有对象

 constructor TForm1.Create(AOwner: TComponent);

 begin

   inherited;

   ttsListener := TttsOnInitListener.Create(self);

 end;

 //释放对象

 destructor TForm1.Destroy;

 begin

   if Assigned(TTS) then

   begin

     TTS.stop;

     TTS.shutdown;

     TTS := nil;

   end;

   ttsListener := nil;

   inherited;

 end;

 //把要朗读的文字指定给 TTS 引擎

 procedure TForm1.SpeakOut;

 var

   text: JString;

 begin

   text := StringToJString(Memo1.Lines.text);

   TTS.speak(text, TJTextToSpeech.JavaClass.QUEUE_FLUSH, nil);

 end;

 { TForm1.TttsOnInitListener }

 constructor TForm1.TttsOnInitListener.Create(AParent: TForm1);

 begin

   inherited Create;

   FParent := AParent;

 end;

 procedure TForm1.TttsOnInitListener.onInit(status: Integer);

 var

   Result: Integer;

 begin

   if (status = TJTextToSpeech.JavaClass.SUCCESS) then

   begin

     Result := FParent.TTS.setLanguage(TJLocale.JavaClass.US); // 这是指定这美语

     if (Result = TJTextToSpeech.JavaClass.LANG_MISSING_DATA) or

       (Result = TJTextToSpeech.JavaClass.LANG_NOT_SUPPORTED) then

       //这里在XE10.1中提示“只能在主线程中使用此提示”

       //ShowMessage('不支持这种语言！')

     else

     begin

       FParent.Button1.Enabled := True;

       FParent.Button2.Enabled := False;

     end;

   end

   else

   begin

     //ShowMessage('初始化失败！');

   end;

 end;

 end.

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