ok I found a good example.. here is the link if anyone needs it http://www.linux-mag.com/id/7778
On Jun 30, 9:02 pm, AUandroid <[email protected]> wrote: > thanks Jeremy, I will try the onresume option. A separate thread is > not feasible. > > -vk > On Jun 30, 1:23 am, Jeremy <[email protected]> wrote: > > > Here's one crazy workaround, but I'm sure there's an easier way: > > > When your receiver get's set off, you can set a hidden boolean > > preference (since they are global) and then start a simple dialog > > activity saying you've lost connectivity. Starting the new activity > > will call the original activity's onPause so when the dialog is > > closed, onResume is called for the original activity (the one where > > you want to change the layout. What I would do is in the onResume > > method for that activity, I would check if the boolean preference was > > changed and then change the visibility of the button accordingly. You > > just have to make sure to set the preference back when you need the > > button. > > > This is a pretty strange way to fix this problem, but it does work. > > Are you sure you need a receiver for what you're doing though? I know > > you can check connectivity pretty easily with a method like: > > > public boolean isConnected() { > > ConnectivityManager connMgr=(ConnectivityManager) > > getSystemService(Context.CONNECTIVITY_SERVICE); > > NetworkInfo info=connMgr.getActiveNetworkInfo(); > > return(info!=null && info.isConnected()); > > } > > > but I guess if you want the button to be disabled instantly when > > connection is lost, you'd have to be running that method in a separate > > thread over and over, which is probably worse from an efficiency > > standpoint than using a receiver. > > > On Jun 28, 9:13 pm, AUandroid <[email protected]> wrote: > > > > I have a layout with two buttons, I want to disable or make unclikable > > > one of the buttons when internet connection is lost and back to > > > clickable when connection is regained. From my broadcast receiver I am > > > calling another class(which extends activity and thus can call > > > findViewById) which is attempting to change the main layout. App is > > > force closing. What am I doing wrong here, any other ideas as to how > > > to achieve what I am trying to do. thanks > > > > -vk > > -- 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
