以编程方式将拇指设置到seekbar的特定位置(而不是偏移位置)?

I have a customized seekbar in which am updating the progress and maximum amplitude of the sound. So the seekbar varies according to sound detection and thumb shows the maximum amblitude of sound. I want to set the position of the thumb to a particular position(Max Amblitude) like we set the progress in seekbar. I had gone through loads of questions and answers and also I ran through the Developer docs. In developer docs its mentioned that only offsets can be given which maintains the thumb off the track of progress.I have a customized seekbar in which am updatin