MaterialDialog.java 文件源码

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