class DrawThread extends Thread {

private int oldX = 0;// 上次繪制的X坐標(biāo)
private int oldY = 0;// 上次繪制的Y坐標(biāo)
private SurfaceView sfv;// 畫板
private int X_index = 0;// 當(dāng)前畫圖所在屏幕X軸的坐標(biāo)
private Paint mPaint;// 畫筆
private int wait = 50;// 線程等待時(shí)間

public DrawThread(SurfaceView sfv, Paint mPaint, int wait) {
this.sfv = sfv;
this.mPaint = mPaint;
this.wait = wait;
}

public void run() {
while (isRecording) {
try {

byte[] temp = new byte[1024];

int len = is.read(temp);
Log.e("available", String.valueOf(len));
if (len > 0) {
byte[] btBuf = new byte[len];
System.arraycopy(temp, 0, btBuf, 0, btBuf.length);
SimpleDraw(X_index, btBuf, rateX, rateY, baseLine);// 把緩沖區(qū)數(shù)據(jù)畫出來
X_index = X_index (btBuf.length/rateX) - 1;// 這里-1可以減少空隙
if (X_index > sfv.getHeight()) {
X_index = 0;
}
}
Thread.sleep(wait);// 延時(shí)一定時(shí)間緩沖數(shù)據(jù)
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

}
}