package fly.aty;
import java.util.Locale;
import android.app.Activity;
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.TextView;
import android.widget.Toast;
public class MainAty extends Activity implements OnClickListener, OnInitListener{
private Button speechBtn; // 按钮控制开始朗读
private TextView speechTxt; // 需要朗读的内容
private TextToSpeech textToSpeech; // TTS对象
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
speechBtn = (Button) findViewById(R.id.speechBtn);
speechBtn.setOnClickListener(this);
speechTxt = (TextView) findViewById(R.id.speechTxt);
textToSpeech = new TextToSpeech(this, this); // 参数Context,TextToSpeech.OnInitListener
}
/**
* 用来初始化TextToSpeech引擎
* status:SUCCESS或ERROR这2个值
* setLanguage设置语言，帮助文档里面写了有22种
* TextToSpeech.LANG_MISSING_DATA：表示语言的数据丢失。
* TextToSpeech.LANG_NOT_SUPPORTED:不支持
*/
@Override
public void onInit(int status) {
if (status == TextToSpeech.SUCCESS) {
int result = textToSpeech.setLanguage(Locale.US);
if (result == TextToSpeech.LANG_MISSING_DATA
|| result == TextToSpeech.LANG_NOT_SUPPORTED) {
Toast.makeText(this, "数据丢失或不支持", Toast.LENGTH_SHORT).show();
}
}
}
@Override
public void onClick(View v) {
if (textToSpeech != null && !textToSpeech.isSpeaking()) {
textToSpeech.setPitch(0.5f);// 设置音调，值越大声音越尖（女生），值越小则变成男声,1.0是常规
textToSpeech.speak(speechTxt.getText().toString(),
TextToSpeech.QUEUE_FLUSH, null);
}
}
@Override
protected void onStop() {
super.onStop();
textToSpeech.stop(); // 不管是否正在朗读TTS都被打断
textToSpeech.shutdown(); // 关闭，释放资源
}
}
