The correct approach is to use threading.Event. For example: import threading e = threading.Event() e.wait(timeout=100) # instead of time.sleep(100) In the other thread, you need to have access to e. You can interrupt the sleep by issuing: e.set() This will immediately interrupt the sleep. You can check the return value of e.wait to determine whether … Read more
The JavaFX animations are probably the way to go, but the “thread philosophy” in JavaFX isn’t hard to work with if you want to roll your own, or do other, more complicated things in background threads. The following code will pause and change the value in a label (full disclosure, I’m reusing code I wrote … Read more
The granularity of sleeps is generally bound by the thread scheduler’s interrupt period. In Linux, this interrupt period is generally 1ms in recent kernels. In Windows, the scheduler’s interrupt period is normally around 10 or 15 milliseconds If I have to halt threads for periods less than this, I normally use a busy wait EDIT: … Read more
The setProgress() API notes: “For performance purposes all these invocations are coalesced into one invocation with the last invocation argument only.” Adding Thread.sleep(1) simply defers the coalescence; invoking println() introduces a comparable delay. Take heart that your file system is so fast; I would be reluctant to introduce an artificial delay. As a concrete example … Read more
The simplest way to use sleep without freezing the UI thread is to make your method asynchronous. To make your method asynchronous add the async modifier. private void someMethod() to private async void someMethod() Now you can use the await operator to perform asynchronous tasks, in your case. await Task.Delay(milliseconds); This makes it an asynchronous … Read more
There is a Java FX event dispatch thread, which handle all GUI-related tasks. You must update all UI components in this thread. Long-running tasks, like Thread.sleep should never be executed in this thread, since windows will hang, and the GUI will be frozen. Execute all your code in the application main thread, and perform only … Read more
When you use Thread.sleep() you’re doing it on the main thread. This freezes the gui for five seconds then it updates the outputField. When that happens, it uses the last set text which is blank. It’s much better to use Swing Timers and here’s an example that does what you’re trying to accomplish: if (match) … Read more
so I looked at Timers, but I could not understand how I could use one for this The Timer is the solution, since as you say you are updating the GUI which should be done on the EDT. I’m not sure what your concern is. You deal a card and start the Timer. When the … Read more
The call to Thread.Sleep is blocking the UI thread. You need to wait asynchronously. Method 1: use a DispatcherTimer tbkLabel.Text = “two seconds delay”; var timer = new DispatcherTimer { Interval = TimeSpan.FromSeconds(2) }; timer.Start(); timer.Tick += (sender, args) => { timer.Stop(); var page = new Page2(); page.Show(); }; Method 2: use Task.Delay tbkLabel.Text = … Read more
Can anyone tell me why sleeping one thread is stopping my whole execution to better explain your Swing GUI is created on its own special thread separate from that which main() and other code will run in, this is done via creating your Swing components in the SwingUtilities.invokeXXX block (even if you have not done … Read more