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Questions - compose-recomposition

Compose - NavHost recomposition multiple times

During navigation from Navhost, I found out that the composable screens are getting recomposition multiple times. Because of it, my ViewModel is calling API data source multiple times too. @Composable...
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LMaker

android

android-jetpack-compose

android-jetpack-navigation

jetpack-compose-navigation

compose-recomposition

Votes: 0

Answers: 2

Latest Answer

If you're worried about recomposition being the cause of your multiple network calls, you could always make sure that you're only calling into your viewModel once per composable lifecycle with a Launc...
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cj1098

Why Compose remembers a state of an object rather than the object itself?

I learned that Compose remembers a state in a way such as: var text by remember { mutableStateOf("") } So in this case, it remembers a MutableState of a String. My question is why it wants...
test-img

LXJ

android

android-jetpack-compose

compose-recomposition

Votes: 0

Answers: 3

Latest Answer

I know its late, but here's what I understand with remember. I have a simple Todo app where a list of todos are hoisted in a viewwmodelusing a SnapshotStatelist, this list is rendered by a LazyColumn ...
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z.g.y

Can't make Jetpack Compose to recompose

I constructed a lazycolumn where on every row I set pointer listeners. What I want is that after long click on any row, the following clicks will be in selection mode and change the background color ...
test-img

LXJ

android

android-jetpack-compose

compose-recomposition

Votes: 0

Answers: 1

Latest Answer

You are not reading var selectedIndex by remember { mutableStateOf(-1) } anywhere in your code what triggers a recomposition in any Composable reading a mutableState value change. You can check here f...
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Thracian

Jetpack recomposition behavior

When state changes recomposition should fire. In code sample one state changes but recomposition doesn't fire but in code sample two state changes onButtonClick and recomposition fires. How to make co...
test-img

Rahul

android

kotlin

android-jetpack-compose

compose-recomposition

Votes: 0

Answers: 1

Latest Answer

How to make code sample one to recompose on state change? You should use a SideEffect to mutate state during first composition in order for these changes to take "effect" : @Composable fun...
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