Thank you very much, you saved me a lot of time!!!
On May 8, 8:07 pm, jseghers <jsegh...@cequint.com> wrote:
> I'm posting this to share the lessons I learned while working with
> IntentService.
>
> IntentService has a single constructor that takes a string argument
> "name". The documentation has no description of what name is used for.
> In looking at the sources, I found that its only use is in naming the
> worker thread for the IntentService. This thread is named IntentService
> [name].
>
> I initially implemented the constructor of the derived class to also
> take a String argument and passed it along to the derived class. This
> is wrong. This will cause the startService() call to generated a
> java.lang.InstantiationException in the application containing the
> service i.e. you don't get the exception in the application calling
> startService(). A clue to the actual problem is a little further up in
> the logs:"newInstance failed: no <init>()"
>
> The derived class must have a Default constructor and that constructor
> must call super() passing a string for the name component of the
> worker thread name.
>
> public class MyIntentService extends IntentService
> {
> public MyIntentService() {
> super("MyIntentService");
> }
>
> @Override
> protected void onHandleIntent(Intent intent)
> {
> // Handle events on worker thread here
> }
>
> }
>
>
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