[Android教程] Android系统自定义实现日历控件

注：此功能在在Activity中，由三大块组成：头（上月按扭，下月按扭，当前年月文本），日历块（星期区域，日期区域），描述区域

Activity:

/**

* Android实现日历控件

* 注：Calendar时间与现在实的时间在月份上需要+1，因为月份是0-11

*/

public class CalenderActivity extends Activity {
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private ArrayList<DateWidgetDayView> days = new ArrayList<DateWidgetDayView>();

//颜色代码常量

public static int Calendar_WeekBgColor = 0;

public static int Calendar_DayBgColor = 0;

public static int IsHoliday_BgColor = 0;

public static int UnPresentMonth_FontColor = 0;

public static int IsPresentMonth_FontColor = 0;

public static int IsToday_BgColor = 0;

public static int Special_Reminder = 0;

public static int Common_Reminder = 0;

public static int Calendar_WeekFontColor = 0;

/**

* 表格中的第一天，一般上月的某一天

*/

public static Calendar mFirstDateOfPanel = Calendar.getInstance();

private Calendar mTodayDate = Calendar.getInstance();// 初始日期，即当天

private Calendar mSelectedDate = Calendar.getInstance();//选中的日期,如果未选中则为1970-1-1

private Calendar mViewDate = Calendar.getInstance();

// 当前操作日期

private int firstDayOfWeek = Calendar.SUNDAY;// 是星期日

private int currentMonth = 0;

private int currentYear = 0;

private int displayWidth = 0;// 屏幕总宽度

private int cell_Width = 0; // 日期单元格宽度

private int cell_Height = 35; // 日期单元格高度

// 页面控件

TextView currentYAndM = null;

Button preMonthButton = null;

Button nextMonthButton = null;

LinearLayout mainLayout = null;

LinearLayout calendarLayout = null;

LinearLayout contentLayout = null;

TextView contentText = null;

// 数据源

Boolean[] msgs = null;

Calendar startDate = null;//表格的第一天的日期

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.calendar_main);

this.viewModel = new BlogViewModel(this);

// 获得屏幕宽和高，并計算出屏幕寬度分七等份的大小

WindowManager windowManager = getWindowManager();

Display display = windowManager.getDefaultDisplay();

displayWidth = display.getWidth();

cell_Width = displayWidth / 7 + 1;

// 制定布局文件，并设置属性

mainLayout = (LinearLayout) this.findViewById(R.id.date_calender_framelayout);

currentYAndM = (TextView) findViewById(R.id.Top_Date);

preMonthButton = (Button) findViewById(R.id.btn_pre_month);

nextMonthButton = (Button) findViewById(R.id.btn_next_month);

preMonthButton.setOnClickListener(new OnClickPreMonthListener());

nextMonthButton.setOnClickListener(new OnClickNextMonthListener());

// 计算本月日历中的第一天(一般是上月的某天)，并更新日历

mFirstDateOfPanel = getCalendarStartDate();

this.mTodayDate = getTodayDate();

this.startDate = getStartDate();

/*

* 初始化日期视图

* Calendar部分

*/

View calendarView = generateCalendarView();

this.mainLayout.addView(calendarView);

//刷新日期视图

this.refreshCalendar();

/*

* Description 部分

*/

ScrollView view = new ScrollView(this);

contentLayout = createLayout(LinearLayout.VERTICAL);

contentLayout.setPadding(5, 2, 0, 0);

contentText = new TextView(this);

contentText.setTextColor(Color.BLACK);

contentText.setTextSize(18);

contentLayout.addView(contentText);

LinearLayout.LayoutParams Param1 = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.FILL_PARENT);

view.addView(contentLayout, Param1);

mainLayout.setBackgroundColor(Color.WHITE);

mainLayout.addView(view);

/* 新建线程

new Thread() {

@Override

public void run() {

int day = getIndexFromDates(mTodayDate, startDate);

Log.i("sys", "初始时 day = "+day);

}

}.start();*/

Calendar_WeekBgColor = this.getResources().getColor(R.color.Calendar_WeekBgColor);

Calendar_DayBgColor = this.getResources().getColor(R.color.Calendar_DayBgColor);

IsHoliday_BgColor = this.getResources().getColor(R.color.isHoliday_BgColor);

UnPresentMonth_FontColor = this.getResources().getColor(R.color.unPresentMonth_FontColor);

IsPresentMonth_FontColor = this.getResources().getColor(R.color.isPresentMonth_FontColor);

IsToday_BgColor = this.getResources().getColor(R.color.isToday_BgColor);

Special_Reminder = this.getResources().getColor(R.color.specialReminder);

Common_Reminder = this.getResources().getColor(R.color.commonReminder);

Calendar_WeekFontColor = this.getResources().getColor(R.color.Calendar_WeekFontColor);

}

protected String getDateShortString(Calendar date) {

String returnString = date.get(Calendar.YEAR) + "-";

returnString += date.get(Calendar.MONTH) + 1 + "-";

returnString += date.get(Calendar.DAY_OF_MONTH);

return returnString;

}

/**

* Return the Date's index of {@LINK returnDate} from {@link datesList};

* First is Today's index

*

* @param now

* today

* @param returnDate

* click date

* @return

*/http://m.nvzi91.cn/gongjingfeida/29428.html

private int getIndexFromDates(Calendar now, Calendar returnDate) {

Calendar cNow = (Calendar) now.clone();

Calendar cReturnDate = (Calendar) returnDate.clone();

CalenderUtil.setTimeToMidnight(cNow);

CalenderUtil.setTimeToMidnight(cReturnDate);

long todayMs = cNow.getTimeInMillis();

long returnMs = cReturnDate.getTimeInMillis();

long intervalMs = todayMs - returnMs;

int index = CalenderUtil.millisecondsToDays(intervalMs);

Log.i("sys", "Index = " + index);

return index;

}

/**

* 生成日期视图 即初始化calendarLayout

*

* @return

*/

private View generateCalendarView() {

calendarLayout = createLayout(LinearLayout.VERTICAL);

// layContent.setPadding(1, 0, 1, 0);

calendarLayout.setBackgroundColor(Color.argb(255, 105, 105, 103));

calendarLayout.addView(generateCalendarWeekRows());

days.clear();

for (int iRow = 0; iRow < 6; iRow++) {

calendarLayout.addView(generateCalendarDayRows());

}

return calendarLayout;

}

/**

* 生成星期View

*

* @return View

*/

private View generateCalendarWeekRows() {

LinearLayout weekLayoutRow = createLayout(LinearLayout.HORIZONTAL);

weekLayoutRow.setBackgroundColor(Color.argb(255, 207, 207, 205));

for (int iDay = 0; iDay < 7; iDay++) {

DateWidgetWeekView dayView = new DateWidgetWeekView(this, cell_Width, cell_Height);

final int iWeekDay = CalenderUtil.getWeekDay(iDay, firstDayOfWeek);

dayView.setData(iWeekDay);

weekLayoutRow.addView(dayView);

}

return weekLayoutRow;

}

/**

* 生成日期行View

*

* @return View

*/

private View generateCalendarDayRows() {

LinearLayout layRow = createLayout(LinearLayout.HORIZONTAL);

//TODO 日期数据消息给添加属性

for (int iDay = 0; iDay < 7; iDay++) {

DateWidgetDayView dateDayView = new DateWidgetDayView(this, cell_Width, cell_Width);

dateDayView.setItemClick(mOnDayCellClick);

days.add(dateDayView);

layRow.addView(dateDayView);

}

return layRow;

}

/**

* 由于本日历上的日期都是从周一开始的，此方法可推算出上月在本月日历中显示的天数 计算出本月第一行1号前的空格数

*/

private void updateStartDateForPanel() {

currentMonth = mFirstDateOfPanel.get(Calendar.MONTH);

currentYear = mFirstDateOfPanel.get(Calendar.YEAR);

mFirstDateOfPanel.set(Calendar.DAY_OF_MONTH, 1);

mFirstDateOfPanel.set(Calendar.HOUR_OF_DAY, 0);

mFirstDateOfPanel.set(Calendar.MINUTE, 0);

mFirstDateOfPanel.set(Calendar.SECOND, 0);

// 显示当前是的年月在Header

updateCurrentMonthDisplay();

int iDay = 0;// 前面的空格数

int iStartDay = firstDayOfWeek;// 当天的星期角标

if (iStartDay == Calendar.MONDAY) {

iDay = mFirstDateOfPanel.get(Calendar.DAY_OF_WEEK) - Calendar.MONDAY;

if (iDay < 0)

iDay = 6;

}

if (iStartDay == Calendar.SUNDAY) {

iDay = mFirstDateOfPanel.get(Calendar.DAY_OF_WEEK) - Calendar.SUNDAY;

if (iDay < 0)

iDay = 6;

}

mFirstDateOfPanel.add(Calendar.DAY_OF_WEEK, -iDay);// 得出-2，即前面从上月30号开始

}

/**

* 更新日历数据并设置日期

* 给days中的DateWidgetDayView元素添加Text

*/

private void refreshCalendar() {

DateWidgetDayView dayView = null;

boolean isSelected = false;

final boolean bIsSelection = (mSelectedDate.getTimeInMillis() != 0);

final int iSelectedYear = mSelectedDate.get(Calendar.YEAR);

final int iSelectedMonth = mSelectedDate.get(Calendar.MONTH);

final int iSelectedDay = mSelectedDate.get(Calendar.DAY_OF_MONTH);

//取得表格中的第一天（一般为上月）

mViewDate.setTimeInMillis(mFirstDateOfPanel.getTimeInMillis());

for (int i = 0; i < days.size(); i++) {

final int iYear = mViewDate.get(Calendar.YEAR);

final int iMonth = mViewDate.get(Calendar.MONTH);

final int iDay = mViewDate.get(Calendar.DAY_OF_MONTH);

final int iDayOfWeek = mViewDate.get(Calendar.DAY_OF_WEEK);

dayView = days.get(i);

// Check isToday

boolean isToday = false;

if (mTodayDate.get(Calendar.YEAR) == iYear && mTodayDate.get(Calendar.MONTH) == iMonth && mTodayDate.get(Calendar.DAY_OF_MONTH) == iDay) {

isToday = true;

}

// Check isHoliday

boolean isHoliday = false;

if ((iDayOfWeek == Calendar.SATURDAY) || (iDayOfWeek == Calendar.SUNDAY))

isHoliday = true;

/*if ((iMonth == Calendar.JANUARY) && (iDay == 1))

isHoliday = true;*///在格里高利历和罗马儒略历中一年中的第一个月是 JANUARY，它为 0；最后一个月取决于一年中的月份数。

// Check isSelected

isSelected = false;

if (bIsSelection)

if ((iSelectedDay == iDay) && (iSelectedMonth == iMonth) && (iSelectedYear == iYear)) {

isSelected = true;

}

dayView.setSelected(isSelected);

// Check hasMSG

boolean hasMSG = false;

if (msgs != null && msgs[i] == true ){

//TODO

}

if (isSelected){

dayView.setFocusable(true);

}

dayView.setData(iYear, iMonth, iDay, isToday, isHoliday, currentMonth, hasMSG);

mViewDate.add(Calendar.DAY_OF_MONTH, 1);

Log.i("sys", "mViewDate : "+iYear+"-"+iMonth+"-"+iDay);

Log.i("sys", "mFirstDateOfPanel : "+mFirstDateOfPanel.get(Calendar.YEAR)+"-"+mFirstDateOfPanel.get(Calendar.MONTH)+"-"+mFirstDateOfPanel.get(Calendar.DAY_OF_MONTH));

}

Log.i("sys", "mSelectedDate : "+iSelectedYear+"-"+iSelectedMonth+"-"+iSelectedDay);

Log.i("sys", "startDate : "+startDate.get(Calendar.YEAR)+"-"+startDate.get(Calendar.MONTH)+"-"+startDate.get(Calendar.DAY_OF_MONTH));

calendarLayout.invalidate();

}

/**

* 设置当天日期和第并计算出前面第一个星期天的日期{@link mFirstDateOfPanel}

* @return

*/

private Calendar getCalendarStartDate() {

mTodayDate.setTimeInMillis(System.currentTimeMillis());

mTodayDate.setFirstDayOfWeek(firstDayOfWeek);
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// 如果没有选中日期，则设置当前日期为 ？

if (mSelectedDate.getTimeInMillis() == 0) {

mFirstDateOfPanel.setTimeInMillis(System.currentTimeMillis());

mFirstDateOfPanel.setFirstDayOfWeek(firstDayOfWeek);

} else {

mFirstDateOfPanel.setTimeInMillis(mSelectedDate.getTimeInMillis());

mFirstDateOfPanel.setFirstDayOfWeek(firstDayOfWeek);

}

updateStartDateForPanel();

return mFirstDateOfPanel;

}

/**

* 得到当前日历表中的第一天

*

* @return Calendar

*/

public Calendar getStartDate() {

int iDay = 0;

Calendar cal_Now = Calendar.getInstance();

cal_Now.set(Calendar.DAY_OF_MONTH, 1);

cal_Now.set(Calendar.HOUR_OF_DAY, 0);

cal_Now.set(Calendar.MINUTE, 0);

cal_Now.set(Calendar.SECOND, 0);

cal_Now.setFirstDayOfWeek(Calendar.SUNDAY);

iDay = cal_Now.get(Calendar.DAY_OF_WEEK) - Calendar.SUNDAY;

if (iDay < 0) {

iDay = 6;

}

cal_Now.add(Calendar.DAY_OF_WEEK, -iDay);

return cal_Now;

}

public Calendar getTodayDate() {

Calendar cal_Today = Calendar.getInstance();

cal_Today.set(Calendar.HOUR_OF_DAY, 0);

cal_Today.set(Calendar.MINUTE, 0);

cal_Today.set(Calendar.SECOND, 0);

cal_Today.setFirstDayOfWeek(Calendar.MONDAY);

return cal_Today;

}

/**

* 更新日历标题上显示的年月

*/

private void updateCurrentMonthDisplay() {

String date = mFirstDateOfPanel.get(Calendar.YEAR) + "年" + (mFirstDateOfPanel.get(Calendar.MONTH) + 1) + "月";

currentYAndM.setText(date);

}

/**

* 点击上月按钮，触发事件

* @author Win7

*/

// 生成布局LinearLayout

private LinearLayout createLayout(int iOrientation) {

LinearLayout lay = new LinearLayout(this);

lay.setLayoutParams(new LayoutParams(android.view.ViewGroup.LayoutParams.FILL_PARENT, android.view.ViewGroup.LayoutParams.WRAP_CONTENT));

lay.setOrientation(iOrientation);

return lay;

}

class OnClickPreMonthListener implements OnClickListener {

@Override

public void onClick(View v) {

contentText.setText("aaaa");

mSelectedDate.setTimeInMillis(0);

currentMonth--;

if (currentMonth == -1) {

currentMonth = 11;

currentYear--;

}

mFirstDateOfPanel.set(Calendar.DAY_OF_MONTH, 1);

mFirstDateOfPanel.set(Calendar.MONTH, currentMonth);

mFirstDateOfPanel.set(Calendar.YEAR, currentYear);

mFirstDateOfPanel.set(Calendar.HOUR_OF_DAY, 0);

mFirstDateOfPanel.set(Calendar.MINUTE, 0);

mFirstDateOfPanel.set(Calendar.SECOND, 0);

mFirstDateOfPanel.set(Calendar.MILLISECOND, 0);

updateStartDateForPanel();

startDate = (Calendar) mFirstDateOfPanel.clone();

// 新建线程

new Thread() {

@Override

public void run() {

int day = getIndexFromDates(mTodayDate, startDate);

//day是算出当前显示的月份面版第一天与当天的天数

Log.i("sys", "点击上月时 day = "+day);

}

}.start();

refreshCalendar();

}

}

/**

* 点击下月按钮，触发事件

* @author Win7

*/

class OnClickNextMonthListener implements OnClickListener {

@Override

public void onClick(View v) {

contentText.setText("");

mSelectedDate.setTimeInMillis(0);

currentMonth++;

if (currentMonth == 12) {

currentMonth = 0;

currentYear++;

}

mFirstDateOfPanel.set(Calendar.DAY_OF_MONTH, 1);

mFirstDateOfPanel.set(Calendar.MONTH, currentMonth);

mFirstDateOfPanel.set(Calendar.YEAR, currentYear);

updateStartDateForPanel();

startDate = (Calendar) mFirstDateOfPanel.clone();

// 新建线程

new Thread() {

@Override

public void run() {

int day = 5;

Log.i("sys", "点击下月时 day = "+day);

}

}.start();

refreshCalendar();

}

}

// 点击日历，触发事件

private DateWidgetDayView.OnDateItemClickListener mOnDayCellClick = new DateWidgetDayView.OnDateItemClickListener() {

public void OnClick(DateWidgetDayView item) {

mSelectedDate.setTimeInMillis(item.getDate().getTimeInMillis());

int day = getIndexFromDates(mSelectedDate, startDate);

contentText.setText(getDateShortString(mSelectedDate));

contentText.setText("无数据");

Log.i("sys", "mFirstDateOfPanel=" + mFirstDateOfPanel.get(Calendar.DATE) + " calCalendar=" + mViewDate.get(Calendar.DATE) + " mTodayDate=" + mTodayDate.get(Calendar.DATE)

+ " mSelectedDate=" + mSelectedDate.get(Calendar.DATE) +" day = "+day);

item.setSelected(true);

refreshCalendar();

}

};

@Deprecated

public Calendar getEndDate(Calendar startDate) {

// Calendar end = GetStartDate(enddate);

Calendar endDate = Calendar.getInstance();

endDate = (Calendar) startDate.clone();

endDate.add(Calendar.DAY_OF_MONTH, 41);

return endDate;

}

}

星期View：

public class DateWidgetWeekView extends View {

// 字体大小

private final static int fTextSize = 22;

private Paint pt = new Paint();

private RectF rect = new RectF();

private int iWeekDay = -1;

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public DateWidgetWeekView(Context context, int iWidth, int iHeight) {

super(context);

setLayoutParams(new LayoutParams(iWidth, iHeight));

}

@Override

protected void onDraw(Canvas canvas) {

super.onDraw(canvas);

// 设置矩形大小

rect.set(0, 0, this.getWidth(), this.getHeight());

rect.inset(1, 1);

// 绘制日历头部

drawDayHeader(canvas);

}

private void drawDayHeader(Canvas canvas) {

// 画矩形，并设置矩形画笔的颜色

pt.setColor(CalenderActivity.Calendar_WeekBgColor);

canvas.drawRect(rect, pt);

// 写入日历头部，设置画笔参数

pt.setTypeface(null);

pt.setTextSize(fTextSize);

pt.setAntiAlias(true);

pt.setFakeBoldText(true);

pt.setColor(CalenderActivity.Calendar_WeekFontColor);

// draw day name

final String sDayName = CalenderUtil.getWeekDayName(iWeekDay);

final int iPosX = (int) rect.left + ((int) rect.width() >> 1)

- ((int) pt.measureText(sDayName) >> 1);

final int iPosY = (int) (this.getHeight()

- (this.getHeight() - getTextHeight()) / 2 - pt

.getFontMetrics().bottom);

canvas.drawText(sDayName, iPosX, iPosY, pt);

}

// 得到字体高度

private int getTextHeight() {

return (int) (-pt.ascent() + pt.descent());

}

// 得到一星期的第几天的文本标记

public void setData(int iWeekDay) {

this.iWeekDay = iWeekDay;

}

}

日期View：

/**

* 日历控件单元格绘制类

* @Description: 日历控件单元格绘制类

* @FileName: DateWidgetDayView.java

*/

public class DateWidgetDayView extends View {

// 字体大小

private static final int fTextSize = 28;

// 基本元素

private OnDateItemClickListener itemClick = null;

private Paint mPaint = new Paint();

private RectF rect = new RectF();

private String sDate = "";

// 当前日期

private int iDateYear = 0;

private int iDateMonth = 0;

private int iDateDay = 0;

// 布尔变量

private boolean hasSelected = false;

private boolean isActiveMonth = false;

private boolean isToday = false;

private boolean isTouchedDown = false;

private boolean isHoliday = false;

private boolean hasMSG = false;

public static int ANIM_ALPHA_DURATION = 100;

public interface OnDateItemClickListener {

public void OnClick(DateWidgetDayView item);

}

// 构造函数

public DateWidgetDayView(Context context, int iWidth, int iHeight) {

super(context);

setFocusable(true);

setLayoutParams(new LayoutParams(iWidth, iHeight));

}

// 取变量值

public Calendar getDate() {

Calendar calDate = Calendar.getInstance();

calDate.clear();

calDate.set(Calendar.YEAR, iDateYear);

calDate.set(Calendar.MONTH, iDateMonth);

calDate.set(Calendar.DAY_OF_MONTH, iDateDay);

return calDate;

}

// 是否有消息

public boolean hasMSG() {

return this.hasMSG;

}

// 是否假期

public boolean isHoliday() {

return this.isHoliday;

}

// 设置变量值

public void setData(int iYear, int iMonth, int iDay, Boolean bToday,

Boolean bHoliday, int iActiveMonth, boolean hasRecord) {

iDateYear = iYear;

iDateMonth = iMonth;

iDateDay = iDay;

this.sDate = Integer.toString(iDateDay);

this.isActiveMonth = (iDateMonth == iActiveMonth);

this.isToday = bToday;

this.isHoliday = bHoliday;

this.hasMSG = hasRecord;

}

// 重载绘制方法

@Override

protected void onDraw(Canvas canvas) {

// TODO Auto-generated method stub

super.onDraw(canvas);

rect.set(0, 0, this.getWidth(), this.getHeight());

rect.inset(1, 1);

final boolean bFocused = IsViewFocused();

drawDayView(canvas, bFocused);

drawDayNumber(canvas);

}

public boolean IsViewFocused() {

return (this.isFocused() || isTouchedDown);

}

// 绘制日历方格

private void drawDayView(Canvas canvas, boolean bFocused) {

if (hasSelected || bFocused) {

LinearGradient lGradBkg = null;

if (bFocused) {

lGradBkg = new LinearGradient(rect.left, 0, rect.right, 0,

0xffaa5500, 0xffffddbb, Shader.TileMode.CLAMP);

}

if (hasSelected) {

lGradBkg = new LinearGradient(rect.left, 0, rect.right, 0,

0xff225599, 0xffbbddff, Shader.TileMode.CLAMP);

}

if (lGradBkg != null) {

mPaint.setShader(lGradBkg);

canvas.drawRect(rect, mPaint);

}

mPaint.setShader(null);

} else {

mPaint.setColor(getColorBkg(isHoliday, isToday));

canvas.drawRect(rect, mPaint);

}

if(isHoliday){

mPaint.setColor(CalenderActivity.IsHoliday_BgColor);

canvas.drawRect(rect, mPaint);

}

if (hasMSG) {

markHasMSGReminder(canvas, CalenderActivity.Special_Reminder);

}

// else if (!hasRecord && !bToday && !bSelected) {

// CreateReminder(canvas, Calendar_TestActivity.Calendar_DayBgColor);

// }

}

// 绘制日历中的数字

public void drawDayNumber(Canvas canvas) {

// draw day number

mPaint.setTypeface(null);

mPaint.setAntiAlias(true);

mPaint.setShader(null);

mPaint.setFakeBoldText(true);

mPaint.setTextSize(fTextSize);

mPaint.setColor(CalenderActivity.IsPresentMonth_FontColor);

mPaint.setUnderlineText(false);

if (!isActiveMonth)

mPaint.setColor(CalenderActivity.UnPresentMonth_FontColor);

if (isToday)

mPaint.setUnderlineText(true);

final int iPosX = (int) rect.left + ((int) rect.width() >> 1) - ((int) mPaint.measureText(sDate) >> 1);

final int iPosY = (int) (this.getHeight() - (this.getHeight() - getTextHeight()) / 2 - mPaint .getFontMetrics().bottom);

canvas.drawText(sDate, iPosX, iPosY, mPaint);

mPaint.setUnderlineText(false);

}

// 得到字体高度

private int getTextHeight() {

return (int) (-mPaint.ascent() + mPaint.descent());

}

// 根据条件返回不同颜色值

public static int getColorBkg(boolean bHoliday, boolean bToday) {

if (bToday)

return CalenderActivity.IsToday_BgColor;

// if (bHoliday) //如需周末有特殊背景色，可去掉注释

// return Calendar_TestActivity.isHoliday_BgColor;

return CalenderActivity.Calendar_DayBgColor;

}

// 设置是否被选中

@Override

public void setSelected(boolean bEnable) {

if (this.hasSelected != bEnable) {

this.hasSelected = bEnable;

this.invalidate();

}

}

public void setItemClick(OnDateItemClickListener itemClick) {

this.itemClick = itemClick;

}

public void doItemClick() {

if (itemClick != null)

itemClick.OnClick(this);

}

// 点击事件

@Override

public boolean onTouchEvent(MotionEvent event) {

boolean bHandled = false;

if (event.getAction() == MotionEvent.ACTION_DOWN) {

bHandled = true;

isTouchedDown = true;

invalidate();

startAlphaAnimIn(DateWidgetDayView.this);

}

if (event.getAction() == MotionEvent.ACTION_CANCEL) {

bHandled = true;

isTouchedDown = false;

invalidate();

}

if (event.getAction() == MotionEvent.ACTION_UP) {

bHandled = true;

isTouchedDown = false;

invalidate();

doItemClick();

}

return bHandled;

}

// 点击事件

@Override

public boolean onKeyDown(int keyCode, KeyEvent event) {

boolean bResult = super.onKeyDown(keyCode, event);

if ((keyCode == KeyEvent.KEYCODE_DPAD_CENTER)

|| (keyCode == KeyEvent.KEYCODE_ENTER)) {

doItemClick();

}

return bResult;

}

// 不透明度渐变

public static void startAlphaAnimIn(View view) {

AlphaAnimation anim = new AlphaAnimation(0.5F, 1);

anim.setDuration(ANIM_ALPHA_DURATION);

anim.startNow();

view.startAnimation(anim);

}

//右上角画倒三角

public void markHasMSGReminder(Canvas canvas, int Color) {

mPaint.setStyle(Paint.Style.FILL_AND_STROKE);

mPaint.setColor(Color);

Path path = new Path();

path.moveTo(rect.right - rect.width() / 4, rect.top);

path.lineTo(rect.right, rect.top);

path.lineTo(rect.right, rect.top + rect.width() / 4);

path.lineTo(rect.right - rect.width() / 4, rect.top);

path.close();

canvas.drawPath(path, mPaint);

}

}

工具类：

public class CalenderUtil {

private final static String[] vecStrWeekDayNames = getWeekDayNames();

private static String[] getWeekDayNames() {

String[] vec = new String[10];

vec[Calendar.SUNDAY] = "星期日";

vec[Calendar.MONDAY] = "星期一";

vec[Calendar.TUESDAY] = "星期二";

vec[Calendar.WEDNESDAY] = "星期三";

vec[Calendar.THURSDAY] = "星期四";

vec[Calendar.FRIDAY] = "星期五";

vec[Calendar.SATURDAY] = "星期六";

return vec;

}

public static String getWeekDayName(int iDay) {

return vecStrWeekDayNames[iDay];

}

public static int getWeekDay(int index, int iFirstDayOfWeek) {

int iWeekDay = -1;

if (iFirstDayOfWeek == Calendar.MONDAY) {

iWeekDay = index + Calendar.MONDAY;

if (iWeekDay > Calendar.SATURDAY)

iWeekDay = Calendar.SUNDAY;

}

if (iFirstDayOfWeek == Calendar.SUNDAY) {

iWeekDay = index + Calendar.SUNDAY;

}

return iWeekDay;

}

/**

* Calculate the days with milliseconds

* @param intervalMs

* @return

*/

public static int millisecondsToDays(long intervalMs) {

return Math.round((intervalMs / (1000 * 86400)));

}

/**

* Return the milliseconds from 1970 to just

* @param calendar

*/

public static void setTimeToMidnight(Calendar calendar) {

calendar.set(Calendar.HOUR_OF_DAY, 0);

calendar.set(Calendar.MINUTE, 0);

calendar.set(Calendar.SECOND, 0);

calendar.set(Calendar.MILLISECOND, 0);

}

}

calendar_main.xml:

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:gravity="center_horizontal"

android:orientation="vertical" >

<RelativeLayout

android:id="@+id/relativeLayout1"

android:layout_width="fill_parent"

android:layout_height="60dip"

android:background="#EDE8DD" >

<TextView

android:id="@+id/Top_Date"

android:layout_width="150dip"

android:layout_height="wrap_content"

android:layout_centerInParent="true"

android:gravity="center_horizontal|center"

android:textColor="#424139"

android:textSize="19sp"

android:textStyle="bold" />

<Button

android:id="@+id/btn_pre_month"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_alignParentLeft="true"

android:layout_centerVertical="true"

android:layout_marginLeft="30dp"

android:background="@drawable/previous_month"

android:text="" />

<Button

android:id="@+id/btn_next_month"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_alignParentRight="true"

android:layout_centerVertical="true"

android:layout_marginRight="30dp"

android:background="@drawable/next_month"

android:text="" />

</RelativeLayout>

<LinearLayout

android:id="@+id/date_calender_framelayout"

android:layout_height="fill_parent"

android:layout_width="fill_parent"

></LinearLayout>

</LinearLayout>