괴발개발 개발새발

Intent intent = new Intent(Intent.ACTION_PICK); intent.setData(ContactsContract.CommonDataKinds.Phone.CONTENT_URI); startActivityForResult(intent, 0); @Override protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) { if (resultCode == RESULT_OK) { Cursor cursor = null; if (data != null) { cursor = getContentResolver().query(data.getData(), new String[]{ContactsC..

Intent intent = new Intent(Intent.ACTION_SEND); intent.setType("text/plain"); intent.putExtra(Intent.EXTRA_TEXT, "전달할 메시지"); startActivity(Intent.createChooser(intent, "공유하기"));

res > anim > fab_open.xml res > anim > fab_close.xml res > layout > activity_main.xml MainActivity public class MainActivity extends AppCompatActivity { private Boolean isFabOpen = false; private Animation fabOpen, fabClose; // ButterKnife @BindView(R.id.fab_main) FloatingActionButton mFabMain; @BindView(R.id.fab_contact_add) FloatingActionButton mFabContactAdd; @BindView(R.id.fab_user_add) Floa..

@Override protected void onCreate(Bundle savedInstanceState) { .... ConnectivityManager connectivityManager = (ConnectivityManager) getApplicationContext() .getSystemService(Context.CONNECTIVITY_SERVICE); // Builder 선언 NetworkRequest.Builder wifiBuilder = new NetworkRequest.Builder(); // 콜백이 호출되는 조건 // TRANSPORT_WIFI = WIFI 상태 / TRANSPORT_CELLULAR = Mobile 네트워크 상태 wifiBuilder.addTransportType(Ne..

res > drawable > doughnut.xml 적용할 xml