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Android 上的一个简单的 TTS 示例 代码

[代码] TtsActivity.javapackage com.javacodegeeks.android.tts;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.speech.tts.TextToSpeech;import ......

[代码] TtsActivity.java

package com.javacodegeeks.android.tts;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.speech.tts.TextToSpeech;
import android.speech.tts.TextToSpeech.OnInitListener;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class TtsActivity extends Activity implements OnInitListener {
    
    private int MY_DATA_CHECK_CODE = 0;
    
    private TextToSpeech tts;
    
    private EditText inputText;
    private Button speakButton;
    
 @Override
 public void onCreate(Bundle savedInstanceState) {
    
  super.onCreate(savedInstanceState);
  setContentView(R.layout.main);
  
  inputText = (EditText) findViewById(R.id.input_text);
  speakButton = (Button) findViewById(R.id.speak_button);
  
  speakButton.setOnClickListener(new OnClickListener() {            
   @Override
   public void onClick(View v) {
       String text = inputText.getText().toString();
       if (text!=null && text.length()>0) {
    Toast.makeText(TtsActivity.this, "Saying: " + text, Toast.LENGTH_LONG).show();
    tts.speak(text, TextToSpeech.QUEUE_ADD, null);
       }
   }
      });
  
  Intent checkIntent = new Intent();
      checkIntent.setAction(TextToSpeech.Engine.ACTION_CHECK_TTS_DATA);
      startActivityForResult(checkIntent, MY_DATA_CHECK_CODE);
        
    }
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (requestCode == MY_DATA_CHECK_CODE) {
            if (resultCode == TextToSpeech.Engine.CHECK_VOICE_DATA_PASS) {
                // success, create the TTS instance
                tts = new TextToSpeech(this, this);
            } 
            else {
                // missing data, install it
                Intent installIntent = new Intent();
                installIntent.setAction(TextToSpeech.Engine.ACTION_INSTALL_TTS_DATA);
                startActivity(installIntent);
            }
        }

    }

    @Override
    public void onInit(int status) {        
        if (status == TextToSpeech.SUCCESS) {
            Toast.makeText(TtsActivity.this, 
                    "Text-To-Speech engine is initialized", Toast.LENGTH_LONG).show();
        }
        else if (status == TextToSpeech.ERROR) {
            Toast.makeText(TtsActivity.this, 
                    "Error occurred while initializing Text-To-Speech engine", Toast.LENGTH_LONG).show();
        }
    }
    
}