Re: [android-developers] Can this variable become null?

2013-02-25 Thread user123
Ok, thanks, this was exactly what I needed to know. The case where the system kills the app while being in the background and not in first screen. Am Montag, 25. Februar 2013 18:21:27 UTC+1 schrieb Streets Of Boston: > > In addition to Treking's answer; > > Never rely on the order in which (you

Re: [android-developers] Can this variable become null?

2013-02-25 Thread Streets Of Boston
In addition to Treking's answer; Never rely on the order in which (you think that) activities are started to initialize or modify static/global data. E.g. User goes through your app, starting from the homescreen, going from Activity A then to Activity B then to C. This could be order in which

Re: [android-developers] Can this variable become null?

2013-02-25 Thread user123
Ok, thanks. I couldn't reproduce this case, so I wasn't sure. I'll handle it in other way then. Am Montag, 25. Februar 2013 17:34:43 UTC+1 schrieb TreKing: > > > On Mon, Feb 25, 2013 at 3:52 AM, user123 > > wrote: > >> And I'm wondering, if there's any case where I can get a null pointer? >> B

Re: [android-developers] Can this variable become null?

2013-02-25 Thread TreKing
On Mon, Feb 25, 2013 at 3:52 AM, user123 wrote: > And I'm wondering, if there's any case where I can get a null pointer? > Because e.g. the system kills the app while it's in the background, and > tries to restart it in the last screen - since the variable is only > initialized in the launcher sc

[android-developers] Can this variable become null?

2013-02-25 Thread user123
I have an instance variable in a singleton class which I'm using in all the app. It's basically a global configuration parameter. I initialize it in the first (launcher) screen of the app. The app will not continue without this initialization (where it's sure that the variable is not null). And