This list is for developing with the Android SDK. Try the [android-ndk] Google Group for NDK development. Try http://source.android.com for firmware development.
On Mon, Jan 23, 2012 at 4:27 AM, joma <[email protected]> wrote: > Hi everybody, > > I want to call a (already compiled) c-program within android. > For example I want to read the status of frontkeys of a tablet PC via > I/O. This is working fine in an extra program. > This extra program now returns the value of a pressed key and android > then should work with it. (fe. make the screen brighter). > > I'm trying to call the c-program with > bits9 = system("readFrontKey"); > > if (bits9 == 64) > entryno = 1; > > if (bits9 == 32) > entryno = 2; > > if (bits9 == 16) > entryno = 3; > > > The source-file has stdlib.h included at its beginning. > > Unfortunately on compiling and linking the project I get an error. > undefined reference to `system' > > I've already been trying several things to solve this but nothing > worked out. > Or do you have other ideas on how to call the readFrontKey-program? > > Any advince would be appreciated. > > -- > 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 -- Mark Murphy (a Commons Guy) http://commonsware.com | http://github.com/commonsguy http://commonsware.com/blog | http://twitter.com/commonsguy Android App Developer Books: http://commonsware.com/books -- 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

