确定号码在不在联系人当中
public boolean contactExists(Context context, String number) {?
/// number is the phone number?
Uri lookupUri = Uri.withAppendedPath(?
PhoneLookup.CONTENT_FILTER_URI, ?
Uri.encode(number));?
String[] mPhoneNumberProjection = { PhoneLookup._ID, PhoneLookup.NUMBER, PhoneLookup.DISPLAY_NAME };?
Cursor cur = context.getContentResolver().query(lookupUri,mPhoneNumberProjection, null, null, null);?
try {?
? ?if (cur.moveToFirst()) {?
? ? ? return true;?
}?
} finally {?
if (cur != null)?
? ?cur.close();?
}?
return false;?
}?
