how to wait for Android runOnUiThread to be finished?

Question

I have a worker thread that creates a runnable object and calls runOnUiThread on it, because it deals with Views and controls. I\'d like to use the result of the work of the

Answer 1

I think the simplest way to achieve this is using a "CountDownLatch".

final CountDownLatch latch = new CountDownLatch(1);
runOnUiThread(new Runnable() {
    @Override
    public void run() {

        // Do something on the UI thread

        latch.countDown();
    }
});
try {
    latch.await();
} catch (InterruptedException e) {
    e.printStackTrace();
}

// Now do something on the original thread

(I believe this question is a duplicate of "How to make timer task to wait till runOnUiThread completed")