public static TouchHistory obtain(float x, float y, float pressure) {
TouchHistory data = sPool.acquire();
if (data == null) {
data = new TouchHistory();
}
data.setTouch(x, y, pressure);
return data;
}
public void recycle() {
this.historyIndex = 0;
this.historyCount = 0;
sPool.release(this);
}