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android texttospeech如何實現(xiàn)暫停

小樊
81
2024-11-20 13:23:37
欄目: 編程語言

在Android中,要實現(xiàn)TextToSpeech的暫停功能,你需要使用TextToSpeech類的pause()方法。以下是一個簡單的示例:

  1. 首先,確保你已經(jīng)在AndroidManifest.xml文件中添加了必要的權(quán)限:
<uses-permission android:name="android.permission.INTERNET" />
  1. 然后,在你的Activity或Fragment中,創(chuàng)建一個TextToSpeech對象,并實現(xiàn)暫停功能:
import android.os.Bundle;
import android.speech.tts.TextToSpeech;
import android.speech.tts.TextToSpeech.OnInitListener;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity implements OnInitListener {

    private TextToSpeech mTts;
    private boolean isSpeaking = false;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // 初始化TextToSpeech對象
        mTts = new TextToSpeech(this, this);
    }

    @Override
    public void onInit(int status) {
        if (status == TextToSpeech.SUCCESS) {
            Toast.makeText(this, "TextToSpeech初始化成功", Toast.LENGTH_SHORT).show();
        } else {
            Toast.makeText(this, "TextToSpeech初始化失敗", Toast.LENGTH_SHORT).show();
        }
    }

    public void speak(String text) {
        if (!isSpeaking) {
            mTts.speak(text, TextToSpeech.QUEUE_FLUSH, null);
            isSpeaking = true;
        }
    }

    public void pauseSpeaking() {
        if (isSpeaking) {
            mTts.pause();
            isSpeaking = false;
        }
    }
}

在這個示例中,我們創(chuàng)建了一個TextToSpeech對象,并在onInit()方法中檢查其初始化狀態(tài)。我們還定義了兩個方法:speak()用于開始說話,pauseSpeaking()用于暫停說話。當調(diào)用pauseSpeaking()方法時,TextToSpeech對象的pause()方法將被調(diào)用,從而實現(xiàn)暫停功能。

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