android studio语音播报
时间: 2023-10-24 22:08:31 浏览: 106
在Android Studio中实现语音播报可以通过使用Android的TextToSpeech类来实现。以下是一个简单的示例代码,演示如何使用TextToSpeech类来实现语音播报:
首先,在AndroidManifest.xml文件中添加以下权限:
```xml
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
<uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.READ_PHONE_STATE"/>
```
然后,在你的Activity中,添加以下代码:
```java
import android.os.Bundle;
import android.speech.tts.TextToSpeech;
import android.speech.tts.UtteranceProgressListener;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;
import java.util.Locale;
public class MainActivity extends AppCompatActivity implements TextToSpeech.OnInitListener {
private TextToSpeech textToSpeech;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// 初始化TextToSpeech
textToSpeech = new TextToSpeech(this, this);
// 设置播放时的监听器,可以监听播放完成事件
textToSpeech.setOnUtteranceProgressListener(new UtteranceProgressListener() {
@Override
public void onStart(String utteranceId) {
}
@Override
public void onDone(String utteranceId) {
// 播放完成时的回调
Toast.makeText(MainActivity.this, "播放完成", Toast.LENGTH_SHORT).show();
}
@Override
public void onError(String utteranceId) {
}
});
}
@Override
public void onInit(int status) {
if (status == TextToSpeech.SUCCESS) {
// 设置语音引擎
int result = textToSpeech.setLanguage(Locale.US);
if (result == TextToSpeech.LANG_MISSING_DATA || result == TextToSpeech.LANG_NOT_SUPPORTED) {
Toast.makeText(this, "不支持当前语言!", Toast.LENGTH_SHORT).show();
} else {
// 成功初始化
Toast.makeText(this, "初始化成功", Toast.LENGTH_SHORT).show();
}
}
}
@Override
protected void onDestroy() {
super.onDestroy();
// 释放TextToSpeech资源
if (textToSpeech != null) {
textToSpeech.stop();
textToSpeech.shutdown();
}
}
// 播放文本
private void speakText(String text) {
textToSpeech.speak(text, TextToSpeech.QUEUE_FLUSH, null, "1");
}
}
```
在上面的代码中,我们使用了TextToSpeech类的speak方法来进行语音播报。通过调用该方法,我们可以将文本内容传递给TextToSpeech引擎进行播放。
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