pregenFirstRow method
void
pregenFirstRow()
Pre-generates the first row of grid with randomized values
Implementation
void pregenFirstRow() {
/// Generate digit collection
List<int> vals = [];
for (int i = 1; i < 10; i++) {
vals.add(i);
}
vals.shuffle();
for (int c = 0; c < 9; c++) {
_matrix![0][c].setValue(vals[c]);
_matrix![0][c].setPrefill(true);
_matrix![0][c].setValidity(true);
}
}