On Mon, Jun 20, 2011 at 4:01 AM, Faraz Azhar <[email protected]> wrote: > I've created a simple home screen widget for the Android 2.2. It > comprises of a button and a background image only. What im trying to > do is that when user clicks on the button, i show a Toast msg with a > number. This number is to be increased every time button is clicked, > starting from zero. > > So ive declared my variable as follows: > > public class MainWidget extends AppWidgetProvider { > > private static int myNum = 0; > > ... > > > And in the onReceive event I do this (after checking the button was > clicked): > > myNum += 1; > Toast.makeText(context, "myNum:" + myNum, Toast.LENGTH_LONG).show(); > > This works fine. Whenever user clicks the button the number is > increased by 1 and displayed on screen. I want this number to be > instance-specific. If i remove the widget from the home screen and add > it back again, the numbering continues from the point where it was > last time. For example if number is currently 4. I remove the widget > and add back and click button, it will display 5. I want it to restart > from 1. > > I've tried various declarations: > private int myNum = 0; > int myNum = 0; > static int myNum = 0; > > But nothing work. If I remove the "static" keyword then the number > doesn't increase at all. Every time the button is clicked, it keeps > displaying 1. I want the number to be instance-specific i.e. to be > restarted from 1 whenever the widget is removed and added back. Also > if the user places more than one widgets on his home screen then both > the widgets' numbering should be independent from each other. How do I > achieve this? Seems like a simple task but totally confused how to > declare my integer. Please anyone help.
You cannot reliably use static data members from manifest-registered BroadcastReceivers like an AppWidgetProvider. Please use a file or a database for your data. -- Mark Murphy (a Commons Guy) http://commonsware.com | http://github.com/commonsguy http://commonsware.com/blog | http://twitter.com/commonsguy Android Training in London: http://bit.ly/smand1, http://bit.ly/smand2 -- 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
