Oh my gosh! Thank you! You just made my day. Now I finally understand it!
:))) Thanks thanks thanks! I can't say how much I thank you my smart man :)
2012 m. rugsėjis 10 d., pirmadienis 12:03:54 UTC+3, jb rašė:
>
> Harri Sm�tt schrieb:
> > That's not true. Android supports basic Java Threads and there's no
> > reason for not to use them when appropriate. But the thing is, you can
> > not alter UI components outside of UI Thread. In your case it would be
> > updating the textual contents of TextView. See method named
> > runOnUiThread , it gives easy access for executing UI code from Threads.
>
> Thanks, I guess runOnUiThread() corresponds to the
> SwingUtilities invokeLater(), plus some smarts to bypass
> posting if already in UiThread (*).
>
> I guess there are situations where the smarts is not needed
> and where one wants a invokeAndWait(). I built myself
> AndroidUtilties which provide the later. The code reads
> as follows:
>
> public class AndroidUtilities {
>
> public static void invokeLater(View v, Runnable r) {
> if (!v.post(r))
> throw new RuntimeException("looper missing");
> }
>
> public static void invokeAndWait(View v, Runnable r)
> throws InterruptedException {
> WaitAdapter wa = new WaitAdapter(r);
> AndroidUtilities.invokeLater(v, wa);
> wa.doneJob();
> }
>
> }
>
> class WaitAdapter implements Runnable {
> private Runnable job;
> private volatile boolean donejob;
> private final Object donelock = new Object();
>
> WaitAdapter(Runnable j) {
> job = j;
> }
>
> public void run() {
> job.run();
> synchronized (donelock) {
> donejob = true;
> donelock.notifyAll();
> }
> }
>
> void doneJob() throws InterruptedException {
> synchronized (donelock) {
> while (!donejob)
> donelock.wait();
> }
> }
>
> }
>
> The annoying thing is that one has to remember and/or
> pass around a view all the time. The above code could
> of course also be adapted so that it takes an activity
> parameter instead of a view parameter, but still the
> annoyance will be there.
>
> Bye
>
> (*)
> http://stackoverflow.com/a/9350672/502187
>
>
>
>
>
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