alright Thanks for the guidance mate. I will update u, thanks again. cheers :)
On Feb 9, 8:54 pm, Kristopher Micinski <[email protected]> wrote: > On Thu, Feb 9, 2012 at 11:44 AM, Soyer <[email protected]> wrote: > > so it's an order issue, Could you please instruct me which part should > > i change?, because honestly i have read loads of articles and i don't > > think i am going anywhere which getting more n more frustrating... > > > That would be Very Appreciated. > > It's not an order issue. > > You're thinking that you call .startDiscovery() and then it starts > discovering devices and tells you which there are. > > It doesn't work like that. > > Discovery can take a long time, tens of seconds into minutes. > > If your call to .startDiscovery() blocked until the discovery was finished, > your program would ANR and crash.... > > Instead, when you call .startDiscovery() what happens is that you're asking > the operating system "start looking for BT devices, when you finish looking > for them, broadcast that you're done and I'll ask what you found, even > though this will probably take a long time." > > So you need to register the BroadcastReceiver to handle the Bluetooth > discovery finished action. > > Have you read the BluetoothChat example. I feel like if you had then you > wouldn't be asking this, go read that and it should make sense. And if it > doesn't then go read about what a BroadcastReceiver is in the first place. > > Basically: you're writing your code like it runs in a straight line, it > doesn't, it runs asynchronously, so you have to structure your code > differently. > > kris -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
