private void queryCalendars() {
// 권한 검사
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.READ_CALENDAR) != PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(
this,
new String[] {Manifest.permission.READ_CALENDAR},
REQUEST_CODE_QUERY_CALENDARS);
return;
}
// Projection array. Creating indices for this array instead of doing
// dynamic lookups improves performance.
final String[] CALENDAR_PROJECTION = new String[]{
CalendarContract.Calendars._ID,
CalendarContract.Calendars.ACCOUNT_NAME,
CalendarContract.Calendars.CALENDAR_DISPLAY_NAME
};
ContentResolver contentResolver = getContentResolver();
// 화면의 EditText 창으로부터 사용자가 입력한 문자열을 읽어와 mAccountName 변수에 저장
mAccountName = ((EditText) findViewById(R.id.account_name)).getText().toString();
Cursor cursor = null;
Uri uri = CalendarContract.Calendars.CONTENT_URI;
if (mAccountName == null || mAccountName.equals(""))
cursor = contentResolver.query(uri, CALENDAR_PROJECTION, null, null, null);
else { // ACCOUNT_NAME 속성 값이 mAccountName의 값과 일치하는 캘린더를 추출함
String selection = "(" + CalendarContract.Calendars.ACCOUNT_NAME + " = ?)";
String[] selectionArgs = new String[]{mAccountName};
cursor = contentResolver.query(uri, CALENDAR_PROJECTION, selection, selectionArgs, null);
}
// SimpleCursorAdapter 설정 및 생성
SimpleCursorAdapter adapter = new SimpleCursorAdapter(
getApplicationContext(),
R.layout.calendar_item,
cursor,
CALENDAR_PROJECTION,
new int[] {R.id._id, R.id.accountName, R.id.displayName},
0);
ListView lv = findViewById(R.id.listview);
lv.setAdapter(adapter);
//...
}
