好的,所以我正在制作一个应用程序,从手机中提取scynced日历并显示它们,我已阅读了很多教程,但我仍然不确定如何做到这一点。 我想使用 ACCOUNT_TYPE “ca.ryerson”提取日历(它由谷歌应用程序提供教育),然后我想从该特定数据库获取所有事件,并仅在有人点击时显示它们提供的日期。
因此当有人点击9月5日时,它会显示9月5日来自ca.ryerson帐户的所有事件,我对Android开发相当新,并且几乎没有数据库处理的经验,我真的很想你的帮助一。我已经阅读了很多教程并阅读了文档,但我仍然无法弄清楚如何做到这一点。
谢谢:)
答案 0 :(得分:0)
我能够确定如何执行此操作是我的代码
ContentResolver contentResolver = getContentResolver();
final Cursor cursor = contentResolver.query(CalendarContract.Calendars.CONTENT_URI,
(new String[]{CalendarContract.Calendars._ID, CalendarContract.Calendars.CALENDAR_DISPLAY_NAME}), null, null, null);
while (cursor.moveToNext()) {
final String _id = cursor.getString(0);
final String displayName = cursor.getString(1);
int stringLength = displayName.length();
String output = displayName.substring(stringLength - 10);
//Log.d("Cursor", output);
if (output.equals("ryerson.ca")) {
//Log.d("Cursor", "true");
calendarID = new String[]{_id};
}
Uri.Builder builder = CalendarContract.Instances.CONTENT_URI.buildUpon();
Calendar beginTime = Calendar.getInstance();
beginTime.set(2014, Calendar.SEPTEMBER, 2, 8, 0);
long startMills = beginTime.getTimeInMillis();
Calendar endTime = Calendar.getInstance();
endTime.set(2014, Calendar.SEPTEMBER, 2, 20, 0);
long endMills = endTime.getTimeInMillis();
ContentUris.appendId(builder, startMills);
ContentUris.appendId(builder, endMills);
Cursor eventCursor = contentResolver.query(builder.build(), new String[]{CalendarContract.Instances.TITLE,
CalendarContract.Instances.BEGIN, CalendarContract.Instances.END, CalendarContract.Instances.DESCRIPTION},
CalendarContract.Instances.CALENDAR_ID + " = ?", calendarID, null);
while (eventCursor.moveToNext()) {
final String title = eventCursor.getString(0);
final Date begin = new Date(eventCursor.getLong(1));
final Date end = new Date(eventCursor.getLong(2));
final String description = eventCursor.getString(3);
Log.d("Cursor", "Title: " + title + "\tDescription: " + description + "\tBegin: " + begin + "\tEnd: " + end);
}