Method updateHint

app/src/main/java/scrambler/Scrambler.java:181–214

(int idx)

    }

    public void updateHint(int idx) {
        if (idx == 0)
            hint = "";
        else if (is333Scramble()) {
            switch (idx) {
                case 1:
                    hint = Cross.solveCross(scramble, APP.solverType[1]);
                    break;
                case 2:
                    hint = Cross.solveXcross(scramble, APP.solverType[1]);
                    break;
                case 3:
                    hint = EOline.solveEoline(scramble, APP.solverType[1]);
                    break;
                case 4:
                    hint = Roux.solveRoux1(scramble, APP.solverType[3]);
                    break;
                case 5:
                    hint = Petrus.solvePetrus(scramble, APP.solverType[2]);
                    break;
                case 6:
                    hint = Cross.solveEofc(scramble, APP.solverType[1]);
                    break;
            }
        } else if (isSqScramble()) {
            hint = Sq1Shape.solve(idx, scramble);
        } else if (is222Scramble()) {
            if (idx == 1)
                hint = Cube2Face.solveFace(scramble, APP.solverType[4]);
            else hint = Cube2Layer.solveFirstLayer(scramble, APP.solverType[4]);
        } else if (isPyrScramble()) {
            hint = PyraminxV.solveV(scramble, idx);
        }
    }

    public void parseScramble(int category, String scramble) {
        this.category = category;