Subsurface mobile 2.1.3( Pelagic data cable issues

Bill Perry bperrybap at
Wed Sep 19 20:54:40 PDT 2018

On 09/19/2018 09:13 PM, Dirk Hohndel wrote:
> How do you feel with signing your app with a different certificate. Did you change the name?

I have no feelings about it.
Are you wanting to have multiple subversion apps installed at the same time?

All I did to build the mobile app from sources was checkout the v4.9.1 tag and run the scripts as noted the INSTALL file in the subsurface tree.
Actually, after I modified any libdivecomputer files I manually ran make down in libdivecomputer-build-arm
and subsurface-mobile-build-arm as the subsurface/packaging/android/ script didn't work for me beyond the first run as it didn't rebuild the libdivecomputer library
when source files changed and it rebuilt lots of things it didn't need to re-build.

The name of the app created is subsurface-mobile-build-arm-debug.apk
Currently, I'm just using the samsung file manager to install it from a thumb drive rather than transferring it over using adb
as I wasn't intending to do very many builds & installs.

--- bill

> On September 19, 2018 6:30:03 PM PDT, Bill Perry <bperrybap at> wrote:
>     Something odd is going on with the my S4 running Android 4.4.4 (the latest playstore app works on the S7 Android 8.0.0)
>     On the S4
>     With the 2.1.1( app built from source a "Choose app for the USB device" dialog comes up with Subsurface-mobile in the choices.
>     With the 2,1.3( this dialog does not come up.
>     2.1.1( built from source can access the ftdi device when run from the USB choose app dialog.
>     2.1.3( from the app store can not access the ftdi device and gets the permission error.
>     I'm still trying to figure out what is going on.
>     On 09/19/2018 04:01 PM, Dirk Hohndel wrote:
>             On Sep 19, 2018, at 1:22 PM, Bill Perry <bperrybap at> wrote: Clearly something is possible as it works in the 4.8.1 code that I build from sources and nothing on the phone has changed other than
>             installing the new app from the playstore. I'm assuming it could be related to the Subsurface app not showing up as an app for the USB device when the data cable is plugged in. Is the USB manager responsible for poppping up that USB
>             device/app dialog and then granting permission to the selected app ? 
>         My guess is that you tapped on "no" by mistake at some point. I'm sure this can be reset somehow in the settings, but I don't know how of the top of my head. /D 
> -- 
> From my phone 

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