As promised (to me, personally;), the TiVo Fire TV app has arrived today … in “beta” form and without live television. Having only played with it about five minutes, my initial observation is that this was clearly designed for or tested against something other than a television given little thought to overscan. Without adjusting my Fire TV’s settings, elements in the lower left, upper left, and upper right were clipped on my television. Indeed, from Amazon’s design guidelines:
The amount of space a TV uses as overscan varies across manufacturers. That real estate is not available to your app. Although the Amazon Fire TV platform provides a way for the user to adjust for television overscan in the settings, for the safest possible behavior we recommend that you avoid placing any of your app’s UI elements within the outer 5% of any edge on the screen. The focused item and on-screen text, especially, should be fully within the inner 90% (the safe zone) of your user interface.