1、Android日历方式显示日期选择组件Android 日历方式显示的日期选择组件此Widget组件只包含五个类文件:DateWidgetDateWidgetDayCellDateWidgetDayHeaderDayStyleSymbolButton*红色为启动的activityDateWidget.java:Java代码1.package com.iaiai;2.3.import ;4.import ;5.import ;6.7.import ;8.import ;9.import ;10.import ;11.import ;12.import ;13.import ;14.import ;
2、15.37.public class DateWidget extends Activity 38. private ArrayList days = new ArrayList();39. / private SimpleDateFormat dateMonth = new SimpleDateFormat(MMMM yyyy);40. private Calendar calStartDate = Calendar.getInstance();41. private Calendar calToday = Calendar.getInstance();42. private Calenda
3、r calCalendar = Calendar.getInstance();43. private Calendar calSelected = Calendar.getInstance();44. LinearLayout layContent = null;45. Button btnPrev = null;46. Button btnToday = null;47. Button btnNext = null;48. private int iFirstDayOfWeek = Calendar.MONDAY;49. private int iMonthViewCurrentMonth
4、= 0;50. private int iMonthViewCurrentYear = 0;51. public static final int SELECT_DATE_REQUEST = 111;52. private static final int iDayCellSize = 38;53. private static final int iDayHeaderHeight = 24;54. private static final int iTotalWidth = (iDayCellSize * 7);55. private TextView tv;56. private int
5、mYear;57. private int mMonth;58. private int mDay;59.60. Override61. public void onCreate(Bundle icicle) 62. super.onCreate(icicle);63. iFirstDayOfWeek = Calendar.MONDAY;64. mYear = calSelected.get(Calendar.YEAR);65. mMonth = calSelected.get(Calendar.MONTH);66. mDay = calSelected.get(Calendar.DAY_OF
6、_MONTH);67. setContentView(generateContentView();68. calStartDate = getCalendarStartDate();69. DateWidgetDayCell daySelected = updateCalendar();70. updateControlsState();71. if (daySelected != null)72. daySelected.requestFocus();73. 74.75. Override76. public void onStart() 77. super.onStart();78.79.
7、 80.81. private LinearLayout createLayout(int iOrientation) 82. LinearLayout lay = new LinearLayout(this);83. lay.setLayoutParams(new LayoutParams(84. ,85. ;86. lay.setOrientation(iOrientation);87. return lay;88. 89.90. private Button createButton(String sText, int iWidth, int iHeight) 91. Button bt
8、n = new Button(this);92. btn.setText(sText);93. btn.setLayoutParams(new LayoutParams(iWidth, iHeight);94. return btn;95. 96.97. private void generateTopButtons(LinearLayout layTopControls) 98. final int iHorPadding = 24;99. final int iSmallButtonWidth = 60;100. btnToday = createButton(, iTotalWidth
9、- iSmallButtonWidth101. - iSmallButtonWidth,102. ;103. btnToday.setPadding(iHorPadding, btnToday.getPaddingTop(), iHorPadding,104. btnToday.getPaddingBottom();105. btnToday.setBackgroundResource(;106.107. SymbolButton btnPrev = new SymbolButton(this,108. ;109. btnPrev.setLayoutParams(new LayoutParam
10、s(iSmallButtonWidth,110. ;111. btnPrev.setBackgroundResource(;112.113. SymbolButton btnNext = new SymbolButton(this,114. ;115. btnNext.setLayoutParams(new LayoutParams(iSmallButtonWidth,116. ;117. btnNext.setBackgroundResource(;118.119. / set events120. btnPrev.setOnClickListener(new Button.OnClickL
11、istener() 121. public void onClick(View arg0) 122. setPrevViewItem();123. 124. );125. btnToday.setOnClickListener(new Button.OnClickListener() 126. public void onClick(View arg0) 127.128. setTodayViewItem();129. String s = calToday.get(Calendar.YEAR) + /130. + (calToday.get(Calendar.MONTH) + 1);131.
12、 btnToday.setText(s);132. 133. );134. btnNext.setOnClickListener(new Button.OnClickListener() 135. public void onClick(View arg0) 136. setNextViewItem();137. 138. );139.140. layTopControls.setGravity(Gravity.CENTER_HORIZONTAL);141. layTopControls.addView(btnPrev);142. layTopControls.addView(btnToday
13、);143. layTopControls.addView(btnNext);144. 145.146. private View generateContentView() 147. LinearLayout layMain = createLayout(LinearLayout.VERTICAL);148. layMain.setPadding(8, 8, 8, 8);149. LinearLayout layTopControls = createLayout(LinearLayout.HORIZONTAL);150.151. layContent = createLayout(Line
14、arLayout.VERTICAL);152. layContent.setPadding(20, 0, 20, 0);153. generateTopButtons(layTopControls);154. generateCalendar(layContent);155. layMain.addView(layTopControls);156. layMain.addView(layContent);157.158. tv = new TextView(this);159. layMain.addView(tv);160. return layMain;161. 162.163. priv
15、ate View generateCalendarRow() 164. LinearLayout layRow = createLayout(LinearLayout.HORIZONTAL);165. for (int iDay = 0; iDay 7; iDay+) 166. DateWidgetDayCell dayCell = new DateWidgetDayCell(this,167. iDayCellSize, iDayCellSize);168. dayCell.setItemClick(mOnDayCellClick);169. days.add(dayCell);170. l
16、ayRow.addView(dayCell);171. 172. return layRow;173. 174.175. private View generateCalendarHeader() 176. LinearLayout layRow = createLayout(LinearLayout.HORIZONTAL);177. for (int iDay = 0; iDay 7; iDay+) 178. DateWidgetDayHeader day = new DateWidgetDayHeader(this,179. iDayCellSize, iDayHeaderHeight);
17、180. final int iWeekDay = DayStyle.getWeekDay(iDay, iFirstDayOfWeek);181. day.setData(iWeekDay);182. layRow.addView(day);183. 184. return layRow;185. 186.187. private void generateCalendar(LinearLayout layContent) 188. layContent.addView(generateCalendarHeader();189. days.clear();190. for (int iRow
18、= 0; iRow 6; iRow+) 191. layContent.addView(generateCalendarRow();192. 193. 194.195. private Calendar getCalendarStartDate() 196. calToday.setTimeInMillis(System.currentTimeMillis();197. calToday.setFirstDayOfWeek(iFirstDayOfWeek);198.199. if (calSelected.getTimeInMillis() = 0) 200. calStartDate.set
19、TimeInMillis(System.currentTimeMillis();201. calStartDate.setFirstDayOfWeek(iFirstDayOfWeek);202. else 203. calStartDate.setTimeInMillis(calSelected.getTimeInMillis();204. calStartDate.setFirstDayOfWeek(iFirstDayOfWeek);205. 206.207. UpdateStartDateForMonth();208.209. return calStartDate;210. 211.21
20、2. private DateWidgetDayCell updateCalendar() 213. DateWidgetDayCell daySelected = null;214. boolean bSelected = false;215. final boolean bIsSelection = (calSelected.getTimeInMillis() != 0);216. final int iSelectedYear = calSelected.get(Calendar.YEAR);217. final int iSelectedMonth = calSelected.get(
21、Calendar.MONTH);218. final int iSelectedDay = calSelected.get(Calendar.DAY_OF_MONTH);219. calCalendar.setTimeInMillis(calStartDate.getTimeInMillis();220. for (int i = 0; i days.size(); i+) 221. final int iYear = calCalendar.get(Calendar.YEAR);222. final int iMonth = calCalendar.get(Calendar.MONTH);2
22、23. final int iDay = calCalendar.get(Calendar.DAY_OF_MONTH);224. final int iDayOfWeek = calCalendar.get(Calendar.DAY_OF_WEEK);225. DateWidgetDayCell dayCell = days.get(i);226. / check today227. boolean bToday = false;228. if (calToday.get(Calendar.YEAR) = iYear)229. if (calToday.get(Calendar.MONTH)
23、= iMonth)230. if (calToday.get(Calendar.DAY_OF_MONTH) = iDay)231. bToday = true;232. / check holiday233. boolean bHoliday = false;234. if (iDayOfWeek = Calendar.SATURDAY)235. | (iDayOfWeek = Calendar.SUNDAY)236. bHoliday = true;237. if (iMonth = Calendar.JANUARY) & (iDay = 1)238. bHoliday = true;239.240. dayCell.setData(iYear, iMonth, iDay, bToday, bHoliday,241. iMonthViewCurrentMonth);242. bSelected = false;243. if (bIsSelection)244. if (iSelectedDay = iDay) & (iSelectedMonth = iMonth)245. & (iSelectedYear = iYear) 246. bSelected = true;247. 248. dayCell.s
