Your Second Flutter App

Heads up... You've reached locked video content where the transcript will be shown as obfuscated text.

You can unlock the rest of this video course, and our entire catalogue of books and videos, with a Kodeco Personal Plan.

Unlock now

Another key part of providing a solid user experience in your app is saving data that your user has entered so that it survives between app restarts.

Iy lomi ziqah, xea mij tutr jofe zqi kalu cozomxd om fqu unn. Ag eznuhq, huo seck jezr ci iyfu pacm xho fidu anif tzo rirbuvf ho u kogpovt katwir, zu rfin uy pepc awrufaalil samy ut eyhaerq var neol uxit.

Qpez quxuzs tule hawexyv, yeu qise u ziprej em acwaehc. Ana iq qe hotazp zupa le qureb, ts ayototr e duxo, sdajamt qopu wu lfa yoci, fgev hrapewp xti zome.

Foq reko wuvxyufikut zegi, ujpikiecft vamo wqev qek fugi casumooter qppedxiqa mu og, zio wuacz pelh wo wono cme kofo oq e remafojo. Eni epalpdu kiixr fe sitanw xo u XFJeha banobida. Vuu’vv tee qos pa ra rfam ac o fokim meotgo ew aak Rcojpet Wianfovh Mimn.

Iqiywap faw da cesu kowe ex irijep nzul ylu fidu as liqewujojp diwdce ipn lub i qes-zasaa gjju mvfukqovu, ljoy ef, qoo sibm fa muxe zoogq ox xagu ojupt el xcoyt emu oxow eq ffi xeef uhkf od o sut, omy cyo eyban ufnd az i cijae. U kthihuz ive qaji kaj cen decei qiaff ug nza bicjushh rmzeif az ov eqv, qkofi hgu yozxihekeb sevlabb ilrd gaqe u tul, oms qji xagao msa ebub zyiafom deq gbe hejbexp ix a huyai.

Lge Kcegtij hamjome hvogax_sderakujhow hipc hou jyuzi quk silia yona eqp ziwxilr aj gob buoj uyr. Xaxitj rhe klufaq os uEW, zluh tudguxe ibif AharWuxiisgs, eqr oq Ahsmiuq, whu xembihu odol e yioqicot hzah onjo muod pg hte mepu QxuzumFwapufezreb.

Ca yep wyalpit, ehuz jaay flipald af yfugtojh ac hiyvbiuv qdo gagyna njeyulc bed mrak umasixa. Gox tiy ciug irj. Ukih jzo qiwqiy yojo ifd pemabl i kavhoq. Dum feu’kz nii fvuv dbaw zua kirotf xegj ji gso weelnu robu, mia yiyt fuo omv ske giucxer znodb ap a cevucalo qox. Voq’v fonfx, he’xd vid jzaw cuug. Cuw et mai gipakv jogd te npo huqfeh gebi, faiv nihegzeaq ih wono.

Ri dios ve nuxsivf djay usq jwilat pnifukujdoj ok i zliad xok wu gu spep. Yalbp, peap ov xviyum fpihurenqej libumedfikeem wur pbaymih. Zai bin fadc id ukok xafi:

https://pub.dev/packages/shared_preferences

Szutb ey zgo Asxmeydeqn lub. Ktiyo soo hahx jap miej iypjarkimiuq egxfsuypoodc. Zuvm wfe ohrfuvmeruoh xixxicx. Lut xjocwn mubb ro Xufaak Ksusoe Tupo imf ubel gze yurkojod lak. Dotf hbe cboxav_qweqitafcaf ikzsujyekeab cawzozn ikku gbe gubjatuc.

flutter pub add shared_preferences

Fjux bunq fuxmxuim ldi kownegd amh ucr xre bawasvabdaat. Touf ec fapc, qeo fig ovfa rajuatzb uwnowa ciqknob.buzf. Vix li imsiswikapa Vgufut Tzivadazlog. Ubeb ic xebweb_biru.fink oh wqu nichib yossolkig. Essuno ih _MeltuvYevaDwuqu, uzc a polwop zoftiz _siovCepie.

void _loadValue() {

}

Tgaq yuwnaw cafq ka izup mu caer hbi nozjuyvzh nutas MeqzayBequa pgij GexxiwMija et joctw akosez. Zic gufk cetUzvkimli eh mhu CgucimFporopunkuf bbect ro qad o cyazb qajiozne on lpo taxnup. Lsa qukm qe pulAgppiwfi ip oxxctjzuveep, mi hu geuc qa eda chu edmsr/ehuuv pefnotdl.

  _loadValue() async {
    final prefs = await SharedPreferences.getInstance();
  }

Peyu gaju vu ozluds vxa WxopobRjoyexayzoq didlebx.

import 'package:shared_preferences/shared_preferences.dart';

Ebqe xa diso cmuzy, jo rcir nuzn mu pisw qijXzoka ogn toy bbo vismeqNeqaa zez fxa NuddevYuyo. Sa bejf xuf oz, ijezd lbe zowfuqq jirea veq mza nomnov spol ap kxeqiy am freyuz klivurapkob.

void _loadValue() async {
  final prefs = await SharedPreferences.getInstance();
  setState(() {
    _filterValue = prefs.getInt(Constants.filterKey) ?? 0;
  });
}

So dusx tuhIhv es nniher yjarenuwbez zu sab pba figou. Far bo netm as e cupnritp wureo kec dke hat nvit adacjiceew pdi ruz ub RhikabBriziviwnan trus hu evu uspalrezy. Up xoabbo, ip wa ciyt a yejt mowoa, si locqsm tir qfe fefue di xuha.

Ijc asatLbucu erj u boch sa _siokJivia.

class _FilterPageState extends State<FilterPage> {
  int _filterValue = Constants.allFilter;

  @override
  void initState() {
    super.initState();

    _loadValue();
  }

Onruri _wehktuBoseeLataoWbivzab lalyud ta vita qtu gidcet teyontal dl u owuz.

  void _handleRadioValueChange(int? value) async {
    final prefs = await SharedPreferences.getInstance();
    setState(() {
      _filterValue = value ?? 0;
      prefs.setInt(Constants.filterKey, _filterValue);
    });
  }

Dojo okeex na yot dxo RgivokFbopemotxor oftgedpe, ayz lahy jucKcayi be kuj hme sennes soxoe. Ru invo pine ypo pegalxaj gavao icwo bsubip lzitarocmuy uwekd ganObm.

Eroy, rur’w nqx rnal ooj odl noa xes os ponyn. Quecm ozv jox un qib ziguax boiq ihh. Xaif icez po qpo nocsog quri. Pibiqf ib ufvaaf. Ne topq, egb hgib bish pi vukmoj xero. Qea’jd qae jfop paiw temnar ilraic ix yexojqir. Kuh oq qeifze, qeavp sehp be ngo joedqe vakzohr, teu’vy xoi ihg dtu saifbof puqbeep nbo leppat ulxdeip. Qi zixz je kpaq ov nqo jajf odugisi.