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

{*******************************************************}
{                                                       }
{           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.

unit Unit1;

interface

uses
System.SysUtils, System.Types, System.UITypes, System.Classes,
System.Variants, Androidapi.Helpers,
FMX.Types, FMX.Controls, FMX.Forms, FMX.Graphics, FMX.Dialogs,
FMX.StdCtrls, FMX.Layouts, FMX.Memo, Androidapi.JNIBridge,
FMX.Controls.Presentation, FMX.Edit,
Androidapi.Jni.JavaTypes,
Androidapi.JNI.TTS;

type
TForm1 = class(TForm)
Memo1: TMemo;
Button1: TButton;
Button2: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
type
TttsOnInitListener = class(TJavaLocal, JTextToSpeech_OnInitListener)
private
FParent: TForm1;
public
constructor Create(AParent: TForm1);
procedure onInit(status: Integer); cdecl;
end;
private
{ Private declarations }
ttsListener: TttsOnInitListener;
TTS: JTextToSpeech;
procedure SpeakOut;
public
{ Public declarations }
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
end;

var
Form1: TForm1;

implementation

{$R *.fmx}
{$R *.NmXhdpiPh.fmx ANDROID}

uses FMX.Helpers.Android;

procedure TForm1.Button1Click(Sender: TObject);
begin
SpeakOut;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
TTS := TJTextToSpeech.JavaClass.init(SharedActivityContext, ttsListener);
end;

constructor TForm1.Create(AOwner: TComponent);
begin
inherited;
ttsListener := TttsOnInitListener.Create(self);
end;

destructor TForm1.Destroy;
begin
if Assigned(TTS) then
begin
TTS.stop;
TTS.shutdown;
TTS := nil;
end;

ttsListener := nil;
inherited;
end;

procedure TForm1.SpeakOut; // 把要朗读的文字指定给 TTS 引擎
var
text: JString;
begin
text := StringToJString(Memo1.Lines.text);
TTS.speak(text, TJTextToSpeech.JavaClass.QUEUE_FLUSH, nil);
end;

// 以下照抄即可
{ TForm1.TttsOnInitListener }
constructor TForm1.TttsOnInitListener.Create(AParent: TForm1);
begin
inherited Create;
FParent := AParent;
ShowMessage('A！');
end;

procedure TForm1.TttsOnInitListener.onInit(status: Integer);
var
Result: Integer;
begin
ShowMessage('B！');
if (status = TJTextToSpeech.JavaClass.SUCCESS) then
begin
ShowMessage('c！');
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
ShowMessage('不支持这种语言！')
else
begin
FParent.Button1.Enabled := true;
FParent.Button2.Enabled := false;
end;
end
else
ShowMessage('初始化失败！');
end;
end.