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下面是一个使用Java CalendarProvider类的示例：
import android.content.ContentResolver; import android.content.ContentValues; import android.database.Cursor; import android.net.Uri; import android.provider.CalendarContract; public class CalendarProviderExample { private static final String CALENDAR_NAME = "My Calendar"; public static void createCalendar(ContentResolver contentResolver) { ContentValues contentValues = new ContentValues(); contentValues.put(CalendarContract.Calendars.ACCOUNT_NAME, "your_account_name"); contentValues.put(CalendarContract.Calendars.ACCOUNT_TYPE, "your_account_type"); contentValues.put(CalendarContract.Calendars.NAME, CALENDAR_NAME); contentValues.put(CalendarContract.Calendars.CALENDAR_DISPLAY_NAME, CALENDAR_NAME); contentValues.put(CalendarContract.Calendars.CALENDAR_COLOR, 0x00FF00); contentValues.put(CalendarContract.Calendars.CALENDAR_ACCESS_LEVEL, CalendarContract.Calendars.CAL_ACCESS_OWNER); contentValues.put(CalendarContract.Calendars.OWNER_ACCOUNT, "your_owner_account"); contentValues.put(CalendarContract.Calendars.VISIBLE, 1); contentValues.put(CalendarContract.Calendars.SYNC_EVENTS, 1); Uri calendarUri = CalendarContract.Calendars.CONTENT_URI; calendarUri = calendarUri.buildUpon() .appendQueryParameter(CalendarContract.CALLER_IS_SYNCADAPTER, "true") .appendQueryParameter(CalendarContract.Calendars.ACCOUNT_NAME, "your_account_name") .appendQueryParameter(CalendarContract.Calendars.ACCOUNT_TYPE, "your_account_type") .build(); contentResolver.insert(calendarUri, contentValues); } public static void deleteCalendar(ContentResolver contentResolver) { Uri calendarUri = CalendarContract.Calendars.CONTENT_URI; calendarUri = calendarUri.buildUpon() .appendQueryParameter(CalendarContract.CALLER_IS_SYNCADAPTER, "true") .appendQueryParameter(CalendarContract.Calendars.ACCOUNT_NAME, "your_account_name") .appendQueryParameter(CalendarContract.Calendars.ACCOUNT_TYPE, "your_account_type") .build(); String selection = CalendarContract.Calendars.NAME + "=?"; String[] selectionArgs = new String[]{CALENDAR_NAME}; contentResolver.delete(calendarUri, selection, selectionArgs); } public static void queryCalendar(ContentResolver contentResolver) { Uri calendarUri = CalendarContract.Calendars.CONTENT_URI; String[] projection = new String[]{ CalendarContract.Calendars._ID, CalendarContract.Calendars.ACCOUNT_NAME, CalendarContract.Calendars.ACCOUNT_TYPE, CalendarContract.Calendars.NAME, CalendarContract.Calendars.CALENDAR_DISPLAY_NAME, CalendarContract.Calendars.CALENDAR_COLOR, CalendarContract.Calendars.CALENDAR_ACCESS_LEVEL, CalendarContract.Calendars.OWNER_ACCOUNT, CalendarContract.Calendars.VISIBLE, CalendarContract.Calendars.SYNC_EVENTS }; String selection = CalendarContract.Calendars.NAME + "=?"; String[] selectionArgs = new String[]{CALENDAR_NAME}; Cursor cursor = contentResolver.query(calendarUri, projection, selection, selectionArgs, null); if (cursor != null && cursor.moveToFirst()) { do { long id = cursor.getLong(cursor.getColumnIndex(CalendarContract.Calendars._ID)); String accountName = cursor.getString(cursor.getColumnIndex(CalendarContract.Calendars.ACCOUNT_NAME)); String accountType = cursor.getString(cursor.getColumnIndex(CalendarContract.Calendars.ACCOUNT_TYPE)); String name = cursor.getString(cursor.getColumnIndex(CalendarContract.Calendars.NAME)); String displayName = cursor.getString(cursor.getColumnIndex(CalendarContract.Calendars.CALENDAR_DISPLAY_NAME)); int color = cursor.getInt(cursor.getColumnIndex(CalendarContract.Calendars.CALENDAR_COLOR)); int accessLevel = cursor.getInt(cursor.getColumnIndex(CalendarContract.Calendars.CALENDAR_ACCESS_LEVEL)); String ownerAccount = cursor.getString(cursor.getColumnIndex(CalendarContract.Calendars.OWNER_ACCOUNT)); int visible = cursor.getInt(cursor.getColumnIndex(CalendarContract.Calendars.VISIBLE)); int syncEvents = cursor.getInt(cursor.getColumnIndex(CalendarContract.Calendars.SYNC_EVENTS)); // 输出日历信息 System.out.println("ID: " + id); System.out.println("Account Name: " + accountName); System.out.println("Account Type: " + accountType); System.out.println("Name: " + name); System.out.println("Display Name: " + displayName); System.out.println("Color: " + color); System.out.println("Access Level: " + accessLevel); System.out.println("Owner Account: " + ownerAccount); System.out.println("Visible: " + visible); System.out.println("Sync Events: " + syncEvents); } while (cursor.moveToNext()); cursor.close(); } } } 在上面的示例中，我们首先定义了一个常量CALENDAR_NAME，它表示要创建和查询的日历的
