Masoud Soleimani

It's not library related bug but it seems you're trying to change view from background thread. When you gonna update your views, be sure you're doing that in main thread.

You can use FFMpeg to convert mp4, 3gp files to supported formats like mp3. Dear @lincollincol is it possible to support mp4 and 3gp formats in amplitude library?

Another point is the listener inside onDraw method will be called hundreds of times. Is it OK for your purpose?

So we have to find another way. A general way to determinate view is drawn is using post method. `wavefrom.post( new Runnable() { @Override public void run() { // your...

Hi Thanks for suggestion! I will work on it.

Hi Contribution is always welcomed! Please open a PR whenever your work finished. Thanks in advance.