/*
 * Copyright (C) 2013 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.wdullaer.materialdatetimepicker.date;

import android.content.Context;
import android.graphics.Canvas;

import java.util.Calendar;

public class SimpleMonthView extends MonthView {

    public SimpleMonthView(Context context) {
        super(context);
    }

    @Override
    public void drawMonthDay(Canvas canvas, int year, int month, int day,
            int x, int y, int startX, int stopX, int startY, int stopY) {
        if (mSelectedDay == day) {
            canvas.drawCircle(x , y - (MINI_DAY_NUMBER_TEXT_SIZE / 3), DAY_SELECTED_CIRCLE_SIZE,
                    mSelectedCirclePaint);
        }

        // If we have a mindate or maxdate, gray out the day number if it's outside the range.
        if (isOutOfRange(year, month, day)) {
            mMonthNumPaint.setColor(mDisabledDayTextColor);
        } else if (mSelectedDay == day) {
            mMonthNumPaint.setColor(mSelectedDayTextColor);
        } else if (mHasToday && mToday == day) {
            mMonthNumPaint.setColor(mTodayNumberColor);
        } else {
            mMonthNumPaint.setColor(mDayTextColor);
        }
        canvas.drawText(String.format("%d", day), x, y, mMonthNumPaint);
    }
}

/*
 * Copyright (C) 2013 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.wdullaer.materialdatetimepicker.date;

import android.content.Context;
import android.graphics.Canvas;

import java.util.Calendar;

public class SimpleMonthView extends MonthView {

    public SimpleMonthView(Context context) {
        super(context);
    }

    @Override
    public void drawMonthDay(Canvas canvas, int year, int month, int day,
            int x, int y, int startX, int stopX, int startY, int stopY) {
        if (mSelectedDay == day) {
            canvas.drawCircle(x , y - (MINI_DAY_NUMBER_TEXT_SIZE / 3), DAY_SELECTED_CIRCLE_SIZE,
                    mSelectedCirclePaint);
        }

                // If we have a mindate or maxdate, gray out the day number if it's outside the range.
        if (isOutOfRange(year, month, day)) {
            mMonthNumPaint.setColor(mDisabledDayTextColor);
        } else if (checkIfDayShouldBeHighlighted(year, month, day)) {
            if (mSelectedDay == day) {
                mMonthNumPaint.setColor(mSelectedDayTextColor);
            } else if (mHasToday && mToday == day) {
                mMonthNumPaint.setColor(mTodayNumberColor);
            } else {
                mMonthNumPaint.setColor(mDayTextColor);
            }
        }
        else {
            mMonthNumPaint.setColor(mNotHighlightedDayTextColor);
        }

        canvas.drawText(String.format("%d", day), x, y, mMonthNumPaint);
    }

    public boolean checkIfDayShouldBeHighlighted(int year, int month, int day) {
        if (mController.getDaysToHighlight() == null)
            return true;

        for (int[] z : mController.getDaysToHighlight())
            if ((z[2] == year) && (z[1] == month) && (z[0] == day))
                return true;

        return false;
    }
}

Update SimpleMonthView.java