Re: Ada 'hello world' for Android; success!

[Anatoly Chernyshev <achernyshev@gmail.com>]

Thanks Brad for such detailed answer. I rooted my phone first thing I
got it from the store. Now it will be good to try some Ada programs on
it.

On Oct 30, 7:51 am, Brad Moore <brad.mo...@shaw.ca> wrote:
> On 29/10/2011 3:59 PM, Anatoly Chernyshev wrote:
>
> > I see. So, it's all about making a nice GUI for "Hello world"? Then
> > I'm relieved, as I commonly don't do the interface.
> > For that simple example below, should I just compile it for jvm, and
> > then it can be run on Android?
>
> Yes, Stephen Leake's example shows how to integrate a GUI into an app
> written in Ada on Android. The GUI libraries are written in Java, so Ada
> has to interface with Java to use those.
>
> To build the native Ada console executable however, the jvm isn't
> in the picture at all, as I understand it.
>
> I found the following post helpful in getting Ada code to compile on
> Android.
>
> http://www.rhinocerus.net/forum/lang-ada/684457-gnatdroid-ada-cross-c...
>
> Basically, what I did was create a virtual machine that runs FreeBSD,
> on my desktop,
> Next I followed the instructions in the above post to install the
> compiler into the virtual machine.
>
> Then I used the gnatmake executable (arm-android-eabi-gnatmake) on the
> virtual machine to cross-compile my source code for Android.
>
> This built the executable, which I then transferred to my smartphone's
> sdcard. (I used AndFTP to do the transfer, though in theory one should
> also be able to use one of the ssh apps (eg SSHDroid) to transfer from
> the virtual machine to the android. I didn't have any luck getting
> SSHDroid to work, but AndFTP did work fine.
>
> Since you can't execute files from the sdcard, I had to root the phone,
> so that I could then copy the executable to /data/data.
>
> To root my phone, I followed the procedure for SuperOneClick, which
> you can find with google.
>
> One rooted, I installed an app called "Terminal Emulator" on my Android,
> which allowed me to enter commands in a linux like environment. I also
> installed BusyBox to give me linux commands I am familiar with.
>
> Within the terminal emulator, I issued
>
>     su
>     mv /sdcard/executable_name /data/data
>     cd /data/data
>     chmod 755 ./executable_name
>
>     then ./executable_name  to run the Ada executable natively.
>
> Brad Moore
>
>
>
> > On Oct 30, 12:47 am, Brad Moore<brad.mo...@shaw.ca>  wrote:
> >> On 29/10/2011 8:46 AM, Anatoly Chernyshev wrote:
>
> >>> Well, I have HTC too, and might be willing to do some programming on
> >>> it (to have some use of GPS data for instance). But your example above
> >>> just scares me away.
> >>> And I'm happy to have no employer to force me digging into this. I
> >>> will not approach any Android programming in Ada until it gets back to
> >>> the simplicity of e.g.
>
> >> Note if you just interested in writing "Hello World" to a console for
> >> Android, you can still use the traditional Hello world program for Ada.
>
> >> namely;
>
> >> with Text_IO; use Text_IO;
> >> procedure Hello is
> >> begin
> >>       Put_Line("Hello, world!");
> >> end Hello;
>
> >> You may have to root your phone to get this to execute, but it will run
> >> and produce the desired output in a terminal console. It wont show up
> >> as an app however.
>
> >> Brad Moore
>
>