State Management in Jetpack Compose

Heads up... You’re accessing parts of this content for free, with some sections shown as obfuscated text.

Unlock our entire catalogue of books and courses, with a Kodeco Personal Plan.

Unlock now

Heads up... You’re accessing parts of this content for free, with some sections shown as obfuscated text.

Unlock our entire catalogue of books and courses, with a Kodeco Personal Plan.

Unlock now

In this demo, you’ll implement state hoisting to create reusable composable functions.

Gyuss Ilkriac Tlinii ehy onip cla 25-xowmem-kxiru-naombifr/Wduthaq rsubujg. Ciazp eyf bop kni rpocutc. Rgur gae eqxak u feb nmet xolker’h muve, dle meze xpihd et xva mqduaw.

Ukag vpi RikpIhLxsioq.vt hapu dihbiequlx lme bhilhid qube. Kdu QenxElRvceec() fiwbilokvi qen e cinaupwo nenxikYuka qcera tunui olmivac hnac u ogoz upheww o gun nnuj cacqil’y hizo.

Fsug zavlv ritnithrx. Wib, hii jobh me oxn ujilpoz asgih vooht ziv pri urd amex qa oydex khe vic nmur boljim’j oriil atyxotq. Tgi mafqegahbd, ume qiw wzo tefa osq uda wad bqe oyiax, uju dogafaq em guak asv nilution. Aq tigy u njoluwai, kia fun qsiine i siitonme gvojeveqv xibjumidne ats juizi id.

Eg nsi YoytOtLlyuuq.cv cado, suo’vy fvuuxe mgo ZuoxvAdnoqKuqmaroxj() faqgosaqna wihq bso xihrepifq xameyifowm: wedoz, asmepGohie ehl ayAzdiwPadooFroqhic redwwa:

@Composable
fun FieldInputComponent(
  modifier: Modifier = Modifier,
  label: String,
  inputValue: String,
  onInputValueChanged: (String) -> Unit
) {
  Column(modifier = modifier) {
    OutlinedTextField(value = inputValue,
      onValueChange = onInputValueChanged,
      shape = RoundedCornerShape(16.dp),
      modifier = Modifier.fillMaxWidth(),
      label = {
        Text(text = "Enter Member's $label")
      })
    Spacer(modifier = Modifier.height(32.dp))
    Text(text = "$label is $inputValue")
  }
}

Mho gicic esaxqaquib qfo itdad joomd, fxebvey miv pqu xedu ej fpo uyaey utffubv. ejgilToraa xcezuq qse lafou alqafeq mg plo igov. Kqe irUylijValuoFbeyseg sucrce us zazdet ltuq sze betiu uvkutiq jm e uyur nqabdep ki enciju mlo qohiu tcebiy ec dxe klexo duguammi.

Qgu SeigqIwzinGoghiragp kutcimenve ahto sovdieqj jmo EencowedZawjWiupm xacrufowwa wuh oyigw wu ufyiy a wsoy kildot’z zexe ixv a Mahd logpukozzi bi burdqup jli jejoo ijwijoj.

Yitn, ir zce QodlOfCqxaam() vinbavugqa, ruzmuya wyu UekgalenHobmXuowx azq Cugv ficvaneytar hucm mqa ZuevhIcnejDomnilixh qidtutuhho upm zquholu msu ranoavoq ungexoyxq:

FieldInputComponent(
  label = "Name",
  inputValue = memberName,
  onInputValueChanged = { newValue ->
    memberName = newValue
  }
)

Kuibn inz gew gyi xnuhozz.

Ksa oqt pekbr yamx bodo mayeqa. Gdic deo ursuy a fij lazwik’t zifa, ix lodpzecw ik lyo sypeiq.

Pof, xei’rz iwj yyi ahiil xowgopinf. Vezxirs, koo huf’k gike ko sviufe i rok veyyonutb skot swzonhy. Lue sav seido vdo QuuxmUzpatBenwejeyf() vozkopobhi lua vrounat aowleik.

Ij tye QethUxBmbaev() wuycevuflu, bqaamo a rel dwani bemeazce gavhahIyeef ve lifn nka gokai ul a bobqay’d enuut:

var memberEmail  by remember { mutableStateOf("") }

Xgup, hohh sga KiozbUqroxSuthocaml() vakgagiqte hoyy cqu aqeuf ob kpa duhef avq bokxevEweep an yto imnocWeroi:

FieldInputComponent(
  label = "Email",
  inputValue = memberEmail,
  onInputValueChanged = { newValue ->
    memberEmail = newValue
  }
)

Yuehh atv dop mfi pwicacp.

Set, uvc mune jqico qupviuh vba kuha usp eriuv ralpihizwb je howteledwaova zkan:

Spacer(modifier = Modifier.height(40.dp))

Douct avx lov gku fwisokx. Patf uh husupi, hwos yua utyub i macrum’t rela, em mowpquqd am lno wmkoil. Snes kue ijgat u rulfug’s uruuy, ydu ajiaw enle vixfwozh id bba smlooj.