isAZ method
isAZ returns true if the keyEvent.logicalKey is between 'a' and 'z'.
Implementation
bool isAZ() {
const List<LogicalKeyboardKey> aZKeys = [
LogicalKeyboardKey.keyA,
LogicalKeyboardKey.keyB,
LogicalKeyboardKey.keyC,
LogicalKeyboardKey.keyD,
LogicalKeyboardKey.keyE,
LogicalKeyboardKey.keyF,
LogicalKeyboardKey.keyG,
LogicalKeyboardKey.keyH,
LogicalKeyboardKey.keyI,
LogicalKeyboardKey.keyJ,
LogicalKeyboardKey.keyK,
LogicalKeyboardKey.keyL,
LogicalKeyboardKey.keyM,
LogicalKeyboardKey.keyN,
LogicalKeyboardKey.keyO,
LogicalKeyboardKey.keyP,
LogicalKeyboardKey.keyQ,
LogicalKeyboardKey.keyR,
LogicalKeyboardKey.keyS,
LogicalKeyboardKey.keyT,
LogicalKeyboardKey.keyU,
LogicalKeyboardKey.keyV,
LogicalKeyboardKey.keyW,
LogicalKeyboardKey.keyX,
LogicalKeyboardKey.keyY,
LogicalKeyboardKey.keyZ,
];
return (aZKeys.contains(keyEvent!.logicalKey));
}