Wrong gravity with match_parent width on Android 4.x

[xsveda]

When you set android:layout_width attribute of PinEntryView to match_parent, it will render fine centered on Lollipop but will be aligned to left on Android 4.x. As a sideeffect, when you type into the view, you cannot see mask symbols. Easily reproducible on PinEntryView DEMO app.

[Electronicks]

The addition of diagonal press * enables some form of radial selection. IT works best with very quick hold presses