Thank you for your answer! I'll look into it and see if I can figure it out with your pointers.
Regards, Anton On Jan 11, 1:58 am, Lance Nanek <[email protected]> wrote: > Each trackball event represents a little bit of movement, possibly > part of a longer continuous movement by the user. They are not added > up for you. > > You can see some neat code for collecting trackball movement from > unhandled trackball events and converting it into d-pad presses in > Android's ViewRoot > class:http://android.git.kernel.org/?p=platform/frameworks/base.git;a=blob;... > > You can see it handling issues like the user stopping for a while, or > going fast vs. slow, or changing direction. > > On Jan 9, 6:45 am, Anton <[email protected]> wrote: > > > Hi! > > > I'm trying to figure out how to continuously update the coordinates of > > the trackball. Right now, I just want to write the values on change to > > TextViews to understand how it works. > > > I've been looking at the onTrackballEvent. Right now, I assume that > > each event passed as an argument to it should be seen as a complete > > event, that is from the start of the trackball movement to the end. Is > > this correct? > > Because if so, the values of x and y will be the same during the > > execution of the onTrackballEvent body. If this would NOT be the case, > > I could just use a timer and update the values at a regular interval.. > > > So either I have to somehow interrupt the onTrackballEvent call and > > write the values, repeatedly over and over again while it is still > > moving, which seems weird, or...well this is pretty much were my > > Google search skills and Android knowledge comes to a halt. > > > Any ideas/pointers are much appretiated. I'm sure this is a fairly > > simple question if you know your ways around the Android UI event > > handling methodology. I'm a happy Android beginner...and completely > > new to programming UI:s aswell. > > > Thanks, > > Anton
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