When the worker thread works, UI becomes choppy

Question

I have a handwriting recognition app - the user draws with their finger, the app recognizes characters. The recognition engine runs in a worker thread that has the the minim

Answer 1

Try to add Thread.sleep(1) in main cycle in character recognition method

@Override
public void run() {
  while (!recognited) {

    //do some script

    try {
      Thread.sleep(1);
    } catch (InterruptedException e) {
      e.printStackTrace();
    }
  }
}

this sleep lets virtual machine to resume other thread a bit early and often