android日历实现
android日历组件,代码见附件.
效果图:
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代码:
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package com.test.calendar;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import android.app.Activity;
import android.os.Bundle;
import android.view.Gravity;
import android.view.View;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.LinearLayout.LayoutParams;
import com.test.calendar.DateWidgetDayCell;
import com.test.calendar.DateWidgetDayHeader;
import com.test.calendar.SymbolButton;
import com.test.calendar.DayStyle;
public class DateWidget extends Activity {
??? private ArrayList<DateWidgetDayCell> days = new ArrayList<DateWidgetDayCell>();
??? // private SimpleDateFormat dateMonth = new SimpleDateFormat("MMMM yyyy");
??? private Calendar calStartDate = Calendar.getInstance();
??? private Calendar calToday = Calendar.getInstance();
??? private Calendar calCalendar = Calendar.getInstance();
??? private Calendar calSelected = Calendar.getInstance();
??? LinearLayout layContent = null;
??? Button btnPrev = null;
??? Button btnToday = null;
??? Button btnNext = null;
??? private int iFirstDayOfWeek = Calendar.MONDAY;
??? private int iMonthViewCurrentMonth = 0;
??? private int iMonthViewCurrentYear = 0;
??? public static final int SELECT_DATE_REQUEST = 111;
??? private static final int iDayCellSize = 38;
??? private static final int iDayHeaderHeight = 24;
??? private static final int iTotalWidth = (iDayCellSize * 7);
??? private TextView tv;
??? private int mYear;
??? private int mMonth;
??? private int mDay;
??? @Override
??? public void onCreate(Bundle icicle) {
??? ??? super.onCreate(icicle);
??? ??? iFirstDayOfWeek = Calendar.MONDAY;
??? ??? mYear = calSelected.get(Calendar.YEAR);
??? ??? mMonth = calSelected.get(Calendar.MONTH);
??? ??? mDay = calSelected.get(Calendar.DAY_OF_MONTH);
??? ??? setContentView(generateContentView());
??? ??? calStartDate = getCalendarStartDate();
??? ??? DateWidgetDayCell daySelected = updateCalendar();
??? ??? updateControlsState();
??? ??? if (daySelected != null)
??? ??? ??? daySelected.requestFocus();
??? }
??? @Override
??? public void onStart() {
??? ??? super.onStart();
??? }
??? 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;
??? }
??? private Button createButton(String sText, int iWidth, int iHeight) {
??? ??? Button btn = new Button(this);
??? ??? btn.setText(sText);
??? ??? btn.setLayoutParams(new LayoutParams(iWidth, iHeight));
??? ??? return btn;
??? }
??? private void generateTopButtons(LinearLayout layTopControls) {
??? ??? final int iHorPadding = 24;
??? ??? final int iSmallButtonWidth = 60;
??? ??? btnToday = createButton("", iTotalWidth - iSmallButtonWidth
??? ??? ??? ??? - iSmallButtonWidth,
??? ??? ??? ??? android.view.ViewGroup.LayoutParams.WRAP_CONTENT);
??? ??? btnToday.setPadding(iHorPadding, btnToday.getPaddingTop(), iHorPadding,
??? ??? ??? ??? btnToday.getPaddingBottom());
??? ??? btnToday.setBackgroundResource(android.R.drawable.btn_default_small);
??? ??? SymbolButton btnPrev = new SymbolButton(this,
??? ??? ??? ??? SymbolButton.symbol.arrowLeft);
??? ??? btnPrev.setLayoutParams(new LayoutParams(iSmallButtonWidth,
??? ??? ??? ??? android.view.ViewGroup.LayoutParams.WRAP_CONTENT));
??? ??? btnPrev.setBackgroundResource(android.R.drawable.btn_default_small);
??? ??? SymbolButton btnNext = new SymbolButton(this,
??? ??? ??? ??? SymbolButton.symbol.arrowRight);
??? ??? btnNext.setLayoutParams(new LayoutParams(iSmallButtonWidth,
??? ??? ??? ??? android.view.ViewGroup.LayoutParams.WRAP_CONTENT));
??? ??? btnNext.setBackgroundResource(android.R.drawable.btn_default_small);
??? ??? // set events
??? ??? btnPrev.setOnClickListener(new Button.OnClickListener() {
??? ??? ??? public void onClick(View arg0) {
??? ??? ??? ??? setPrevViewItem();
??? ??? ??? }
??? ??? });
??? ??? btnToday.setOnClickListener(new Button.OnClickListener() {
??? ??? ??? public void onClick(View arg0) {
??? ??? ??? ??? setTodayViewItem();
??? ??? ??? ??? String s = calToday.get(Calendar.YEAR) + "/"
??? ??? ??? ??? ??? ??? + (calToday.get(Calendar.MONTH) + 1);
??? ??? ??? ??? btnToday.setText(s);
??? ??? ??? }
??? ??? });
??? ??? btnNext.setOnClickListener(new Button.OnClickListener() {
??? ??? ??? public void onClick(View arg0) {
??? ??? ??? ??? setNextViewItem();
??? ??? ??? }
??? ??? });
??? ??? layTopControls.setGravity(Gravity.CENTER_HORIZONTAL);
??? ??? layTopControls.addView(btnPrev);
??? ??? layTopControls.addView(btnToday);
??? ??? layTopControls.addView(btnNext);
??? }
??? private View generateContentView() {
??? ??? LinearLayout layMain = createLayout(LinearLayout.VERTICAL);
??? ??? layMain.setPadding(8, 8, 8, 8);
??? ??? LinearLayout layTopControls = createLayout(LinearLayout.HORIZONTAL);
??? ??? layContent = createLayout(LinearLayout.VERTICAL);
??? ??? layContent.setPadding(20, 0, 20, 0);
??? ??? generateTopButtons(layTopControls);
??? ??? generateCalendar(layContent);
??? ??? layMain.addView(layTopControls);
??? ??? layMain.addView(layContent);
??? ??? tv = new TextView(this);
??? ??? layMain.addView(tv);
??? ??? return layMain;
??? }
??? private View generateCalendarRow() {
??? ??? LinearLayout layRow = createLayout(LinearLayout.HORIZONTAL);
??? ??? for (int iDay = 0; iDay < 7; iDay++) {
??? ??? ??? DateWidgetDayCell dayCell = new DateWidgetDayCell(this,
??? ??? ??? ??? ??? iDayCellSize, iDayCellSize);
??? ??? ??? dayCell.setItemClick(mOnDayCellClick);
??? ??? ??? days.add(dayCell);
??? ??? ??? layRow.addView(dayCell);
??? ??? }
??? ??? return layRow;
??? }
??? private View generateCalendarHeader() {
??? ??? LinearLayout layRow = createLayout(LinearLayout.HORIZONTAL);
??? ??? for (int iDay = 0; iDay < 7; iDay++) {
??? ??? ??? DateWidgetDayHeader day = new DateWidgetDayHeader(this,
??? ??? ??? ??? ??? iDayCellSize, iDayHeaderHeight);
??? ??? ??? final int iWeekDay = DayStyle.getWeekDay(iDay, iFirstDayOfWeek);
??? ??? ??? day.setData(iWeekDay);
??? ??? ??? layRow.addView(day);
??? ??? }
??? ??? return layRow;
??? }
??? private void generateCalendar(LinearLayout layContent) {
??? ??? layContent.addView(generateCalendarHeader());
??? ??? days.clear();
??? ??? for (int iRow = 0; iRow < 6; iRow++) {
??? ??? ??? layContent.addView(generateCalendarRow());
??? ??? }
??? }
??? private Calendar getCalendarStartDate() {
??? ??? calToday.setTimeInMillis(System.currentTimeMillis());
??? ??? calToday.setFirstDayOfWeek(iFirstDayOfWeek);
??? ??? if (calSelected.getTimeInMillis() == 0) {
??? ??? ??? calStartDate.setTimeInMillis(System.currentTimeMillis());
??? ??? ??? calStartDate.setFirstDayOfWeek(iFirstDayOfWeek);
??? ??? } else {
??? ??? ??? calStartDate.setTimeInMillis(calSelected.getTimeInMillis());
??? ??? ??? calStartDate.setFirstDayOfWeek(iFirstDayOfWeek);
??? ??? }
??? ??? UpdateStartDateForMonth();
??? ??? return calStartDate;
??? }
??? private DateWidgetDayCell updateCalendar() {
??? ??? DateWidgetDayCell daySelected = null;
??? ??? boolean bSelected = false;
??? ??? final boolean bIsSelection = (calSelected.getTimeInMillis() != 0);
??? ??? final int iSelectedYear = calSelected.get(Calendar.YEAR);
??? ??? final int iSelectedMonth = calSelected.get(Calendar.MONTH);
??? ??? final int iSelectedDay = calSelected.get(Calendar.DAY_OF_MONTH);
??? ??? calCalendar.setTimeInMillis(calStartDate.getTimeInMillis());
??? ??? for (int i = 0; i < days.size(); i++) {
??? ??? ??? final int iYear = calCalendar.get(Calendar.YEAR);
??? ??? ??? final int iMonth = calCalendar.get(Calendar.MONTH);
??? ??? ??? final int iDay = calCalendar.get(Calendar.DAY_OF_MONTH);
??? ??? ??? final int iDayOfWeek = calCalendar.get(Calendar.DAY_OF_WEEK);
??? ??? ??? DateWidgetDayCell dayCell = days.get(i);
??? ??? ??? // check today
??? ??? ??? boolean bToday = false;
??? ??? ??? if (calToday.get(Calendar.YEAR) == iYear)
??? ??? ??? ??? if (calToday.get(Calendar.MONTH) == iMonth)
??? ??? ??? ??? ??? if (calToday.get(Calendar.DAY_OF_MONTH) == iDay)
??? ??? ??? ??? ??? ??? bToday = true;
??? ??? ??? // check holiday
??? ??? ??? boolean bHoliday = false;
??? ??? ??? if ((iDayOfWeek == Calendar.SATURDAY)
??? ??? ??? ??? ??? || (iDayOfWeek == Calendar.SUNDAY))
??? ??? ??? ??? bHoliday = true;
??? ??? ??? if ((iMonth == Calendar.JANUARY) && (iDay == 1))
??? ??? ??? ??? bHoliday = true;
??? ??? ??? dayCell.setData(iYear, iMonth, iDay, bToday, bHoliday,
??? ??? ??? ??? ??? iMonthViewCurrentMonth);
??? ??? ??? bSelected = false;
??? ??? ??? if (bIsSelection)
??? ??? ??? ??? if ((iSelectedDay == iDay) && (iSelectedMonth == iMonth)
??? ??? ??? ??? ??? ??? && (iSelectedYear == iYear)) {
??? ??? ??? ??? ??? bSelected = true;
??? ??? ??? ??? }
??? ??? ??? dayCell.setSelected(bSelected);
??? ??? ??? if (bSelected)
??? ??? ??? ??? daySelected = dayCell;
??? ??? ??? calCalendar.add(Calendar.DAY_OF_MONTH, 1);
??? ??? }
??? ??? layContent.invalidate();
??? ??? return daySelected;
??? }
??? private void UpdateStartDateForMonth() {
??? ??? iMonthViewCurrentMonth = calStartDate.get(Calendar.MONTH);
??? ??? iMonthViewCurrentYear = calStartDate.get(Calendar.YEAR);
??? ??? calStartDate.set(Calendar.DAY_OF_MONTH, 1);
??? ??? UpdateCurrentMonthDisplay();
??? ??? // update days for week
??? ??? int iDay = 0;
??? ??? int iStartDay = iFirstDayOfWeek;
??? ??? if (iStartDay == Calendar.MONDAY) {
??? ??? ??? iDay = calStartDate.get(Calendar.DAY_OF_WEEK) - Calendar.MONDAY;
??? ??? ??? if (iDay < 0)
??? ??? ??? ??? iDay = 6;
??? ??? }
??? ??? if (iStartDay == Calendar.SUNDAY) {
??? ??? ??? iDay = calStartDate.get(Calendar.DAY_OF_WEEK) - Calendar.SUNDAY;
??? ??? ??? if (iDay < 0)
??? ??? ??? ??? iDay = 6;
??? ??? }
??? ??? calStartDate.add(Calendar.DAY_OF_WEEK, -iDay);
??? }
??? private void UpdateCurrentMonthDisplay() {
??? ??? String s = calCalendar.get(Calendar.YEAR) + "/"
??? ??? ??? ??? + (calCalendar.get(Calendar.MONTH) + 1);// dateMonth.format(calCalendar.getTime());
??? ??? btnToday.setText(s);
??? ??? mYear = calCalendar.get(Calendar.YEAR);
??? }
??? private void setPrevViewItem() {
??? ??? iMonthViewCurrentMonth--;
??? ??? if (iMonthViewCurrentMonth == -1) {
??? ??? ??? iMonthViewCurrentMonth = 11;
??? ??? ??? iMonthViewCurrentYear--;
??? ??? }
??? ??? calStartDate.set(Calendar.DAY_OF_MONTH, 1);
??? ??? calStartDate.set(Calendar.MONTH, iMonthViewCurrentMonth);
??? ??? calStartDate.set(Calendar.YEAR, iMonthViewCurrentYear);
??? ??? UpdateStartDateForMonth();
??? ??? updateCalendar();
??? }
??? private void setTodayViewItem() {
??? ??? calToday.setTimeInMillis(System.currentTimeMillis());
??? ??? calToday.setFirstDayOfWeek(iFirstDayOfWeek);
??? ??? calStartDate.setTimeInMillis(calToday.getTimeInMillis());
??? ??? calStartDate.setFirstDayOfWeek(iFirstDayOfWeek);
??? ??? UpdateStartDateForMonth();
??? ??? updateCalendar();
??? }
??? private void setNextViewItem() {
??? ??? iMonthViewCurrentMonth++;
??? ??? if (iMonthViewCurrentMonth == 12) {
??? ??? ??? iMonthViewCurrentMonth = 0;
??? ??? ??? iMonthViewCurrentYear++;
??? ??? }
??? ??? calStartDate.set(Calendar.DAY_OF_MONTH, 1);
??? ??? calStartDate.set(Calendar.MONTH, iMonthViewCurrentMonth);
??? ??? calStartDate.set(Calendar.YEAR, iMonthViewCurrentYear);
??? ??? UpdateStartDateForMonth();
??? ??? updateCalendar();
??? }
??? private DateWidgetDayCell.OnItemClick mOnDayCellClick = new DateWidgetDayCell.OnItemClick() {
??? ??? public void OnClick(DateWidgetDayCell item) {
??? ??? ??? calSelected.setTimeInMillis(item.getDate().getTimeInMillis());
??? ??? ??? item.setSelected(true);
??? ??? ??? updateCalendar();
??? ??? ??? updateControlsState();
??? ??? }
??? };
??? private void updateControlsState() {
??? ??? SimpleDateFormat dateFull = new SimpleDateFormat("d MMMM yyyy");
??? ??? mYear = calSelected.get(Calendar.YEAR);
??? ??? mMonth = calSelected.get(Calendar.MONTH);
??? ??? mDay = calSelected.get(Calendar.DAY_OF_MONTH);
??? ??? tv.setText(new StringBuilder().append(mYear).append("/").append(
??? ??? ??? ??? format(mMonth + 1)).append("/").append(format(mDay)).append(
??? ??? ??? ??? "-----").append(dateFull.format(calSelected.getTime())));
??? }
??? private String format(int x) {
??? ??? String s = "" + x;
??? ??? if (s.length() == 1)
??? ??? ??? s = "0" + s;
??? ??? return s;
??? }
}
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package com.test.calendar;
import java.util.Calendar;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.LinearGradient;
import android.graphics.Paint;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.Shader;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.View;
import android.view.animation.AlphaAnimation;
import android.widget.LinearLayout.LayoutParams;
public class DateWidgetDayCell extends View {
??? // types
??? public interface OnItemClick {
??? ??? public void OnClick(DateWidgetDayCell item);
??? }
??? public static int ANIM_ALPHA_DURATION = 100;
??? // fields
??? private final static float fTextSize = 22;
??? private final static int iMargin = 1;
??? private final static int iAlphaInactiveMonth = 0x88;
??? // fields
??? private int iDateYear = 0;
??? private int iDateMonth = 0;
??? private int iDateDay = 0;
??? // fields
??? private OnItemClick itemClick = null;
??? private Paint pt = new Paint();
??? private RectF rect = new RectF();
??? private String sDate = "";
??? // fields
??? private boolean bSelected = false;
??? private boolean bIsActiveMonth = false;
??? private boolean bToday = false;
??? private boolean bHoliday = false;
??? private boolean bTouchedDown = false;
??? // methods
??? public DateWidgetDayCell(Context context, int iWidth, int iHeight) {
??? ??? super(context);
??? ??? setFocusable(true);
??? ??? setLayoutParams(new LayoutParams(iWidth, iHeight));
??? }
??? public boolean getSelected() {
??? ??? return this.bSelected;
??? }
??? @Override
??? public void setSelected(boolean bEnable) {
??? ??? if (this.bSelected != bEnable) {
??? ??? ??? this.bSelected = bEnable;
??? ??? ??? this.invalidate();
??? ??? }
??? }
??? public void setData(int iYear, int iMonth, int iDay, boolean bToday,
??? ??? ??? boolean bHoliday, int iActiveMonth) {
??? ??? iDateYear = iYear;
??? ??? iDateMonth = iMonth;
??? ??? iDateDay = iDay;
??? ??? this.sDate = Integer.toString(iDateDay);
??? ??? this.bIsActiveMonth = (iDateMonth == iActiveMonth);
??? ??? this.bToday = bToday;
??? ??? this.bHoliday = bHoliday;
??? }
??? public void setItemClick(OnItemClick itemClick) {
??? ??? this.itemClick = itemClick;
??? }
??? private int getTextHeight() {
??? ??? return (int) (-pt.ascent() + pt.descent());
??? }
??? @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;
??? }
??? @Override
??? public boolean onKeyUp(int keyCode, KeyEvent event) {
??? ??? boolean bResult = super.onKeyUp(keyCode, event);
??? ??? return bResult;
??? }
??? public void doItemClick() {
??? ??? if (itemClick != null)
??? ??? ??? itemClick.OnClick(this);
??? }
??? @Override
??? protected void onFocusChanged(boolean gainFocus, int direction,
??? ??? ??? Rect previouslyFocusedRect) {
??? ??? super.onFocusChanged(gainFocus, direction, previouslyFocusedRect);
??? ??? invalidate();
??? }
??? 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;
??? }
??? @Override
??? protected void onDraw(Canvas canvas) {
??? ??? super.onDraw(canvas);
??? ??? // init rectangles
??? ??? rect.set(0, 0, this.getWidth(), this.getHeight());
??? ??? rect.inset(1, 1);
??? ??? // drawing
??? ??? final boolean bFocused = IsViewFocused();
??? ??? drawDayView(canvas, bFocused);
??? ??? drawDayNumber(canvas, bFocused);
??? }
??? private void drawDayView(Canvas canvas, boolean bFocused) {
??? ??? if (bSelected || bFocused) {
??? ??? ??? LinearGradient lGradBkg = null;
??? ??? ??? if (bFocused) {
??? ??? ??? ??? lGradBkg = new LinearGradient(rect.left, 0, rect.right, 0,
??? ??? ??? ??? ??? ??? DayStyle.iColorBkgFocusDark,
??? ??? ??? ??? ??? ??? DayStyle.iColorBkgFocusLight, Shader.TileMode.CLAMP);
??? ??? ??? }
??? ??? ??? if (bSelected) {
??? ??? ??? ??? lGradBkg = new LinearGradient(rect.left, 0, rect.right, 0,
??? ??? ??? ??? ??? ??? DayStyle.iColorBkgSelectedDark,
??? ??? ??? ??? ??? ??? DayStyle.iColorBkgSelectedLight, Shader.TileMode.CLAMP);
??? ??? ??? }
??? ??? ??? if (lGradBkg != null) {
??? ??? ??? ??? pt.setShader(lGradBkg);
??? ??? ??? ??? canvas.drawRect(rect, pt);
??? ??? ??? }
??? ??? ??? pt.setShader(null);
??? ??? } else {
??? ??? ??? pt.setColor(DayStyle.getColorBkg(bHoliday, bToday));
??? ??? ??? if (!bIsActiveMonth)
??? ??? ??? ??? pt.setAlpha(iAlphaInactiveMonth);
??? ??? ??? canvas.drawRect(rect, pt);
??? ??? }
??? }
??? public void drawDayNumber(Canvas canvas, boolean bFocused) {
??? ??? // draw day number
??? ??? pt.setTypeface(null);
??? ??? pt.setAntiAlias(true);
??? ??? pt.setShader(null);
??? ??? pt.setFakeBoldText(true);
??? ??? pt.setTextSize(fTextSize);
??? ??? pt.setUnderlineText(false);
??? ??? if (bToday)
??? ??? ??? pt.setUnderlineText(true);
??? ??? int iTextPosX = (int) rect.right - (int) pt.measureText(sDate);
??? ??? int iTextPosY = (int) rect.bottom + (int) (-pt.ascent())
??? ??? ??? ??? - getTextHeight();
??? ??? iTextPosX -= ((int) rect.width() >> 1)
??? ??? ??? ??? - ((int) pt.measureText(sDate) >> 1);
??? ??? iTextPosY -= ((int) rect.height() >> 1) - (getTextHeight() >> 1);
??? ??? // draw text
??? ??? if (bSelected || bFocused) {
??? ??? ??? if (bSelected)
??? ??? ??? ??? pt.setColor(DayStyle.iColorTextSelected);
??? ??? ??? if (bFocused)
??? ??? ??? ??? pt.setColor(DayStyle.iColorTextFocused);
??? ??? } else {
??? ??? ??? pt.setColor(DayStyle.getColorText(bHoliday, bToday));
??? ??? }
??? ??? if (!bIsActiveMonth)
??? ??? ??? pt.setAlpha(iAlphaInactiveMonth);
??? ??? canvas.drawText(sDate, iTextPosX, iTextPosY + iMargin, pt);
??? ??? pt.setUnderlineText(false);
??? }
??? public boolean IsViewFocused() {
??? ??? return (this.isFocused() || bTouchedDown);
??? }
??? @Override
??? public boolean onTouchEvent(MotionEvent event) {
??? ??? boolean bHandled = false;
??? ??? if (event.getAction() == MotionEvent.ACTION_DOWN) {
??? ??? ??? bHandled = true;
??? ??? ??? bTouchedDown = true;
??? ??? ??? invalidate();
??? ??? ??? startAlphaAnimIn(DateWidgetDayCell.this);
??? ??? }
??? ??? if (event.getAction() == MotionEvent.ACTION_CANCEL) {
??? ??? ??? bHandled = true;
??? ??? ??? bTouchedDown = false;
??? ??? ??? invalidate();
??? ??? }
??? ??? if (event.getAction() == MotionEvent.ACTION_UP) {
??? ??? ??? bHandled = true;
??? ??? ??? bTouchedDown = false;
??? ??? ??? invalidate();
??? ??? ??? doItemClick();
??? ??? }
??? ??? return bHandled;
??? }
??? public static void startAlphaAnimIn(View view) {
??? ??? AlphaAnimation anim = new AlphaAnimation(0.5F, 1);
??? ??? anim.setDuration(ANIM_ALPHA_DURATION);
??? ??? anim.startNow();
??? ??? view.startAnimation(anim);
??? }
}
?
?
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package com.test.calendar;
import java.util.*;
import android.content.*;
import android.view.*;
import android.widget.LinearLayout.LayoutParams;
import android.graphics.*;
public class DateWidgetDayHeader extends View {
??? // fields
??? private final static int iDayHeaderFontSize = 12;
??? // fields
??? private Paint pt = new Paint();
??? private RectF rect = new RectF();
??? private int iWeekDay = -1;
??? private boolean bHoliday = false;
??? // methods
??? public DateWidgetDayHeader(Context context, int iWidth, int iHeight) {
??? ??? super(context);
??? ??? setLayoutParams(new LayoutParams(iWidth, iHeight));
??? }
??? public void setData(int iWeekDay) {
??? ??? this.iWeekDay = iWeekDay;
??? ??? this.bHoliday = false;
??? ??? if ((iWeekDay == Calendar.SATURDAY) || (iWeekDay == Calendar.SUNDAY))
??? ??? ??? this.bHoliday = true;
??? }
??? private void drawDayHeader(Canvas canvas) {
??? ??? if (iWeekDay != -1) {
??? ??? ??? // background
??? ??? ??? pt.setColor(DayStyle.getColorFrameHeader(bHoliday));
??? ??? ??? canvas.drawRect(rect, pt);
??? ??? ??? // text
??? ??? ??? pt.setTypeface(null);
??? ??? ??? pt.setTextSize(iDayHeaderFontSize);
??? ??? ??? pt.setAntiAlias(true);
??? ??? ??? pt.setFakeBoldText(true);
??? ??? ??? pt.setColor(DayStyle.getColorTextHeader(bHoliday));
??? ??? ??? final int iTextPosY = getTextHeight();
??? ??? ??? final String sDayName = DayStyle.getWeekDayName(iWeekDay);
??? ??? ??? // draw day name
??? ??? ??? final int iDayNamePosX = (int) rect.left
??? ??? ??? ??? ??? + ((int) rect.width() >> 1)
??? ??? ??? ??? ??? - ((int) pt.measureText(sDayName) >> 1);
??? ??? ??? canvas.drawText(sDayName, iDayNamePosX, rect.top + iTextPosY + 2,
??? ??? ??? ??? ??? pt);
??? ??? }
??? }
??? private int getTextHeight() {
??? ??? return (int) (-pt.ascent() + pt.descent());
??? }
??? @Override
??? protected void onDraw(Canvas canvas) {
??? ??? super.onDraw(canvas);
??? ??? // init rectangles
??? ??? rect.set(0, 0, this.getWidth(), this.getHeight());
??? ??? rect.inset(1, 1);
??? ??? // drawing
??? ??? drawDayHeader(canvas);
??? }
}
--------------------
package com.test.calendar;
import java.util.*;
public class DayStyle {
??? // methods
??? private static String[] getWeekDayNames() {
??? ??? String[] vec = new String[10];
//??? ??? vec[Calendar.SUNDAY] = "Sun";
//??? ??? vec[Calendar.MONDAY] = "Mon";
//??? ??? vec[Calendar.TUESDAY] = "Tue";
//??? ??? vec[Calendar.WEDNESDAY] = "Wed";
//??? ??? vec[Calendar.THURSDAY] = "Thu";
//??? ??? vec[Calendar.FRIDAY] = "Fri";
//??? ??? vec[Calendar.SATURDAY] = "Sat";
??? ??? vec[Calendar.SUNDAY] = "周日";
??? ??? vec[Calendar.MONDAY] = "周一";
??? ??? vec[Calendar.TUESDAY] = "周二";
??? ??? vec[Calendar.WEDNESDAY] = "周三";
??? ??? vec[Calendar.THURSDAY] = "周四";
??? ??? vec[Calendar.FRIDAY] = "周五";
??? ??? vec[Calendar.SATURDAY] ="周六";
??? ??? return vec;
??? }
??? public static String getWeekDayName(int iDay) {
??? ??? return vecStrWeekDayNames[iDay];
??? }
??? // fields
??? private final static String[] vecStrWeekDayNames = getWeekDayNames();
??? // fields
??? public final static int iColorFrameHeader = 0xff666666;
??? public final static int iColorFrameHeaderHoliday = 0xff707070;
??? public final static int iColorTextHeader = 0xffcccccc;
??? public final static int iColorTextHeaderHoliday = 0xffd0d0d0;
??? public final static int iColorText = 0xffdddddd;
??? public final static int iColorBkg = 0xff888888;
??? public final static int iColorTextHoliday = 0xfff0f0f0;
??? public final static int iColorBkgHoliday = 0xffaaaaaa;
??? public final static int iColorTextToday = 0xff002200;
??? public final static int iColorBkgToday = 0xff88bb88;
??? public final static int iColorTextSelected = 0xff001122;
??? public final static int iColorBkgSelectedLight = 0xffbbddff;
??? public final static int iColorBkgSelectedDark = 0xff225599;
??? public final static int iColorTextFocused = 0xff221100;
??? public final static int iColorBkgFocusLight = 0xffffddbb;
??? public final static int iColorBkgFocusDark = 0xffaa5500;
??? // methods
??? public static int getColorFrameHeader(boolean bHoliday) {
??? ??? if (bHoliday)
??? ??? ??? return iColorFrameHeaderHoliday;
??? ??? return iColorFrameHeader;
??? }
??? public static int getColorTextHeader(boolean bHoliday) {
??? ??? if (bHoliday)
??? ??? ??? return iColorTextHeaderHoliday;
??? ??? return iColorTextHeader;
??? }
??? public static int getColorText(boolean bHoliday, boolean bToday) {
??? ??? if (bToday)
??? ??? ??? return iColorTextToday;
??? ??? if (bHoliday)
??? ??? ??? return iColorTextHoliday;
??? ??? return iColorText;
??? }
??? public static int getColorBkg(boolean bHoliday, boolean bToday) {
??? ??? if (bToday)
??? ??? ??? return iColorBkgToday;
??? ??? if (bHoliday)
??? ??? ??? return iColorBkgHoliday;
??? ??? return iColorBkg;
??? }
??? 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;
??? }
}
----------------------------------------------------
package com.test.calendar;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.RectF;
import android.widget.Button;
public class SymbolButton extends Button {
??? // fields
??? private static final int iColor = 0xffaaaaaa;
??? private static final int iColorActive = 0xff442200;
??? // fields
??? public enum symbol {
??? ??? none, arrowLeft, arrowRight
??? };
??? // fields
??? private Paint pt = new Paint();
??? private RectF rect = new RectF();
??? private RectF rectDraw = new RectF();
??? private symbol symbolType = symbol.none;
??? // methods
??? public SymbolButton(Context context, symbol symbolType) {
??? ??? super(context);
??? ??? this.symbolType = symbolType;
??? }
??? @Override
??? public void onDraw(Canvas canvas) {
??? ??? super.onDraw(canvas);
??? ??? pt.setAntiAlias(true);
??? ??? pt.setStrokeCap(Paint.Cap.ROUND);
??? ??? rectDraw.set(0, 0, getWidth(), getHeight());
??? ??? rectDraw.left += 6;
??? ??? rectDraw.right -= 6;
??? ??? rectDraw.top += 4;
??? ??? rectDraw.bottom -= 8;
??? ??? if (symbolType != symbol.none) {
??? ??? ??? pt.setStrokeWidth(5);
??? ??? ??? pt.setColor(iColor);
??? ??? ??? if (this.isPressed() || this.isFocused())
??? ??? ??? ??? pt.setColor(iColorActive);
??? ??? ??? drawArrow(canvas);
??? ??? }
??? }
??? private void drawArrow(Canvas canvas) {
??? ??? rect.set(rectDraw);
??? ??? rect.inset(15, 5);
??? ??? canvas.drawLine(rect.left, rect.centerY(), rect.right, rect.centerY(),
??? ??? ??? ??? pt);
??? ??? if (symbolType == symbol.arrowRight) {
??? ??? ??? canvas.drawLine(rect.right, rect.centerY(), rect.right - 6,
??? ??? ??? ??? ??? rect.top, pt);
??? ??? ??? canvas.drawLine(rect.right, rect.centerY(), rect.right - 6,
??? ??? ??? ??? ??? rect.bottom, pt);
??? ??? }
??? ??? if (symbolType == symbol.arrowLeft) {
??? ??? ??? canvas.drawLine(rect.left, rect.centerY(), rect.left + 6, rect.top,
??? ??? ??? ??? ??? pt);
??? ??? ??? canvas.drawLine(rect.left, rect.centerY(), rect.left + 6,
??? ??? ??? ??? ??? rect.bottom, pt);
??? ??? }
??? }
}