MaterialDialog.java 文件源码

protected void invalidateInputMinMaxIndicator(int currentLength, boolean emptyDisabled) {
    if (inputMinMax != null) {
        inputMinMax.setText(String.format("%d/%d", currentLength, mBuilder.inputMaxLength));
        final boolean isDisabled = (emptyDisabled && currentLength == 0) ||
                currentLength > mBuilder.inputMaxLength ||
                currentLength < mBuilder.inputMinLength;
        final int colorText = isDisabled ? mBuilder.inputRangeErrorColor : mBuilder.contentColor;
        final int colorWidget = isDisabled ? mBuilder.inputRangeErrorColor : mBuilder.widgetColor;
        inputMinMax.setTextColor(colorText);
        MDTintHelper.setTint(input, colorWidget);
        final View positiveAb = getActionButton(DialogAction.POSITIVE);
        positiveAb.setEnabled(!isDisabled);
    }
}