当我从ThreadMain类中删除df.calculateFreq()时,此代码会产生连续的声音并起作用。当我将其放在控制台下方的genTone()方法中时,控制台仅打印一次“测试”,然后停止运行,而没有它,代码运行正常。它没有足够的时间来处理额外的数据吗?谢谢,代码没有错误。
public ThreadMain() {
audio = new AudioGenerator(10000);
audio.createPlayer();
dF = new DetermineFreq();
exec = Executors.newSingleThreadScheduledExecutor();
exec.scheduleAtFixedRate(new Runnable() {
@Override
public void run() {
//RUN FUNC every 20 millisecond
genTone();
}
}, 0, 50, TimeUnit.MILLISECONDS);
}
public void genTone(){
System.out.println("test");
dF.calculateFreq(); <--- this
tone = audio.getSineWave(noteDuration, 10000, 200);
audio.writeSound(tone);
}
public class DetermineFreq{
MainActivity main;
float accelX;
public void DetermineFreq() {
main = new MainActivity();
}
public void calculateFreq() {
accelX = main.getAccelX();
System.out.println(accelX);
}
}
最佳答案
ScheduledExecutor可能会在无提示的情况下抛出错误,并终止线程,这确实发生了。
将genTone()方法的内容包装在try catch中,并打印捕获到的所有异常的堆栈跟踪。
public void genTone(){
try
{
System.out.println("test");
dF.calculateFreq();
tone = audio.getSineWave(noteDuration, 10000, 200);
audio.writeSound(tone);
}
catch (Exception e)
{
e.printStackTrace();
}
}