Android Dev/NowInAndroid

collectAsStateWithLifecycle 요약

원본 페이지 : https://medium.com/androiddevelopers/consuming-flows-safely-in-jetpack-compose-cde014d0d5a3 Consuming flows safely in Jetpack Compose 1. collectAsStateWithLifecycle API를 사용하면, UI를 컨트롤할때 lifecycle를 aware한채로 flow의 collect를 진행할 수 있다. 2. resource 관리 측면에서 better than not use. 3. collectAsState API와 대응되는 API이다. 4. Compose State 의 object가 update 될때마다 모든 State.value 사용이 recomposition된다. 5. 기본적으..

2022. 10. 28. 00:09

Android Dev/NowInAndroid

SavedStateHandle 사용

먼저, SavedStateHandle.kt 의 첫부분의 설명은 아래와 같다. https://developer.android.com/reference/kotlin/androidx/lifecycle/SavedStateHandle A handle to saved state passed down to androidx.lifecycle.ViewModel. You should use SavedStateViewModelFactory if you want to receive this object in ViewModel's constructor. This is a key-value map that will let you write and retrieve objects to and from the saved state. ..

2022. 10. 25. 14:00

Android Dev/NowInAndroid

NowInAndroid(1) - revision at 2022-11-14

제 마음대로 보고 싶은 부분을 우선순위로 해서 분석하였습니다. 공식 가이드는 아래의 링크를 보고 따라하면되겠습니다. https://github.com/android/nowinandroid/blob/main/docs/ArchitectureLearningJourney.md GitHub - android/nowinandroid: A fully functional Android app built entirely with Kotlin and Jetpack Compose A fully functional Android app built entirely with Kotlin and Jetpack Compose - GitHub - android/nowinandroid: A fully functional Android ..

2022. 10. 25. 01:24

Android Dev/Compose

Compose Dialog resize 안되는 문제

2022 06 23 시점에.. 아직 완성 되지 않아 해당 문제가 생기고 있는 것 같다 https://stackoverflow.com/questions/68818202/animatedvisibility-doesnt-expand-height-in-dialog-in-jetpack-compose/68818540#68818540

2022. 6. 23. 23:27

Android Dev/Compose

Compose - Text outlined color 설정

import androidx.compose.foundation.Canvas import androidx.compose.foundation.layout.fillMaxSize import androidx.compose.runtime.Composable import androidx.compose.ui.Modifier import androidx.compose.ui.graphics.Paint import androidx.compose.ui.graphics.drawscope.drawIntoCanvas import androidx.compose.ui.graphics.nativeCanvas import androidx.compose.ui.unit.dp @Composable fun InlineColoredText( t..

2022. 6. 5. 20:52

Android Dev/Compose

Compose Preview - viewmodel 연결

Viewmodel에 대한 preview를 compose는 제공하지 않는다. 따라서 interface나 abstract class를 사용하여 fake Viewmodel을 구성해주어야한다. 사용예제는 아래와 같다 1. Viewmodel 구성 interface UserViewModelInterface { var userFid : String var userBasicData : MutableLiveData } object FakeUserViewModel : UserViewModelInterface { override var userFid: String = "fakeFid" override var userBasicData: MutableLiveData = MutableLiveData() } @HiltViewMod..

2022. 4. 28. 01:02