由于内容值中存在 IllegalArgumentException,无法插入新日历

Cannot insert a new Calendar because of IllegalArgumentException in content values

我想在 CalendarProvider 中插入本地日历。这是我的工作:

Uri uri = asSyncAdapter(CalendarContract.Calendars.CONTENT_URI, "Test", CalendarContract.ACCOUNT_TYPE_LOCAL);

        ContentValues values = new ContentValues();

        values.put(CalendarContract.Calendars.NAME, "Test");
        values.put(CalendarContract.Calendars.CALENDAR_DISPLAY_NAME, "Test Calendar (Added Programmatically)");
        values.put(CalendarContract.Calendars.CALENDAR_COLOR, 0x00FF00);
        values.put(CalendarContract.Calendars.CALENDAR_ACCESS_LEVEL, CalendarContract.Calendars.CAL_ACCESS_OWNER);
        values.put(CalendarContract.Calendars.OWNER_ACCOUNT, "Test");

Uri insertUri = getContentResolver().insert(uri, values);

此方法复制自开发者:

static Uri asSyncAdapter(Uri uri, String account, String accountType) {
    return uri.buildUpon()
            .appendQueryParameter(android.provider.CalendarContract.CALLER_IS_SYNCADAPTER, "true")
            .appendQueryParameter(CalendarContract.Calendars.ACCOUNT_NAME, account)
            .appendQueryParameter(CalendarContract.Calendars.ACCOUNT_TYPE, accountType).build();
}

但是我为名称列输入了值,我得到了类似的异常:

java.lang.IllegalArgumentException: the name must not be empty: null

我该如何解决?

我发现了问题。我必须明确地为帐户名称和帐户类型设置值:

values.put(CalendarContract.Calendars.ACCOUNT_NAME, "Test");
values.put(CalendarContract.Calendars.ACCOUNT_TYPE, CalendarContract.ACCOUNT_TYPE_LOCAL);