-5
請解釋一下PICK_CONTACT。它爲什麼等於1,它是什麼意思?請說明startActivityForResult的參數
public static final int PICK_CONTACT = 1;
Intent intent = new Intent(Intent.ACTION_PICK, ContactsContract.Contacts.CONTENT_URI);
intent.setType(Phone.CONTENT_TYPE); //should filter only contacts with phone numbers
startActivityForResult(intent, PICK_CONTACT);
你看過http://developer.android .com/reference/android/app/Activity.html#startActivityForResult(android.content.Intent,int)? –