private void updateIndicatorSizes() {
        if (!isInEditMode()) {
            if (mNumericTransformer.useStringTransform()) {
                mIndicator.updateSizes(mNumericTransformer.transformToString(mMax));
            } else {
                mIndicator.updateSizes(convertValueToMessage(mNumericTransformer.transform(mMax)));
            }
        }

    }
If {@code enabled} is false the indicator won't appear. By default popup indicator is
enabled.
app/src/main/java/com/duan/musicoco/view/discreteseekbar/DiscreteSeekBar.java