java - Activity 没有音调检测 TarsosDSP 没有重新启动

Question

我在音乐应用程序中编写了一个吉他调音器。单击按钮时主要 Activity 启动调谐器。调谐器工作正常。但如果我回到主要 Activity 。调音器 Activity 开始，但音调检测没有开始。线程不会因记录器而停止。

我从主 Activity 中启动了一项 Activity Act_Accordage

public void clicAccordage(View v){
        Intent intentAct_Accordage = new Intent(this, Act_Accordeur .class);
    startActivity(intentAct_Accordage);
}

这是我的 Act_Accordage Activity

public final AudioDispatcher dispatcher = AudioDispatcherFactory.fromDefaultMicrophone(22050, 2048, 0);
    ....
          dispatcher.addAudioProcessor(new PitchProcessor(PitchEstimationAlgorithm.YIN, 22050, 2048, new PitchDetectionHandler() {

                @Override
                public void handlePitch(PitchDetectionResult pitchDetectionResult,
                                        AudioEvent audioEvent) {
                    final float pitchInHz = pitchDetectionResult.getPitch();
                    if (Logo.interrupted()) {
                        return;
                    }
                    if (pitchInHz > -1) {
                        runOnUiThread(new Runnable() {
                            @Override
                            public void run() {
                                // display name note and cursor ou UI thread
                               textFreqNote.setText(String.valueOf(pitchInHz) + " CREATE "); 
                               Affcurseur(pitchInHz);
                             });
                    }

                }
            }));
             new Thread(dispatcher, "Audio Dispatcher");

    2***/I come back main with  button or backbutton
    public void onclicSetBackMain(View v) {
            Act_Accordeur.this.finish();
            Toast.makeText(Act_Accordeur.this, "Guitare accordée", Toast.LENGTH_LONG).show();}

Answer 1

使用dispatcher.stop();停止音频调度程序线程。我在官方文档中花了很长时间，但这是值得的。