https://kotlinlang.org logo
Channels
100daysofcode
100daysofkotlin
100daysofkotlin-2021
advent-of-code
aem
ai
alexa
algeria
algolialibraries
amsterdam
android
android-architecture
android-databinding
android-studio
androidgithubprojects
androidthings
androidx
androidx-xprocessing
anime
anko
announcements
apollo-kotlin
appintro
arabic
argentina
arkenv
arksemdevteam
armenia
arrow
arrow-contributors
arrow-meta
ass
atlanta
atm17
atrium
austin
australia
austria
awesome-kotlin
ballast
bangladesh
barcelona
bayarea
bazel
beepiz-libraries
belgium
benchmarks
berlin
big-data
books
boston
brazil
brikk
budapest
build
build-tools
bulgaria
bydgoszcz
cambodia
canada
carrat
carrat-dev
carrat-feed
chicago
chile
china
chucker
cincinnati-user-group
cli
clikt
cloudfoundry
cn
cobalt
code-coverage
codeforces
codemash-precompiler
codereview
codingame
codingconventions
coimbatore
collaborations
colombia
colorado
communities
competitive-programming
competitivecoding
compiler
compose
compose-android
compose-desktop
compose-hiring
compose-ios
compose-mp
compose-ui-showcase
compose-wear
compose-web
confetti
connect-audit-events
corda
cork
coroutines
couchbase
coursera
croatia
cryptography
cscenter-course-2016
cucumber-bdd
cyprus
czech
dagger
data2viz
databinding
datascience
dckotlin
debugging
decompose
decouple
denmark
deprecated
detekt
detekt-hint
dev-core
dfw
docs-revamped
dokka
domain-driven-design
doodle
dsl
dublin
dutch
eap
eclipse
ecuador
edinburgh
education
effective-kotlin
effectivekotlin
emacs
embedded-kotlin
estatik
event21-community-content
events
exposed
failgood
fb-internal-demo
feed
firebase
flow
fluid-libraries
forkhandles
forum
fosdem
fp-in-kotlin
framework-elide
freenode
french
fritz2
fuchsia
functional
funktionale
gamedev
ge-kotlin
general-advice
georgia
geospatial
german-lang
getting-started
github-workflows-kt
glance
godot-kotlin
google-io
gradle
graphic
graphkool
graphql
graphql-kotlin
graviton-browser
greece
grpc
gsoc
gui
hackathons
hacktoberfest
hamburg
hamkrest
helios
helsinki
hexagon
hibernate
hikari-cp
hire-me
hiring
hongkong
hoplite
http4k
hungary
hyderabad
image-processing
india
indonesia
inkremental
intellij
intellij-plugins
intellij-tricks
internships
introduce-yourself
io
ios
iran
israel
istanbulcoders
italian
jackson-kotlin
jadx
japanese
jasync-sql
java-to-kotlin-refactoring
javadevelopers
javafx
javalin
javascript
jdbi
jhipster-kotlin
jobsworldwide
jpa
jshdq
juul-libraries
jvm-ir-backend-feedback
jxadapter
k2-early-adopters
kaal
kafka
kakao
kalasim
kapt
karachi
karg
karlsruhe
kash_shell
kaskade
kbuild
kdbc
kgen-doc-tools
kgraphql
kinta
klaxon
klock
kloudformation
kmdc
kmm-espaƱol
kmongo
knbt
knote
koalaql
koans
kobalt
kobweb
kodein
kodex
kohesive
koin
koin-dev
komapper
kondor-json
kong
kontent
kontributors
korau
korean
korge
korim
korio
korlibs
korte
kotest
kotest-contributors
kotless
kotlick
kotlin-asia
kotlin-beam
kotlin-by-example
kotlin-csv
kotlin-data-storage
kotlin-foundation
kotlin-fuel
kotlin-in-action
kotlin-inject
kotlin-latam
kotlin-logging
kotlin-multiplatform-contest
kotlin-mumbai
kotlin-native
kotlin-pakistan
kotlin-plugin
kotlin-pune
kotlin-roadmap
kotlin-samples
kotlin-sap
kotlin-serbia
kotlin-spark
kotlin-szeged
kotlin-website
kotlinacademy
kotlinbot
kotlinconf
kotlindl
kotlinforbeginners
kotlingforbeginners
kotlinlondon
kotlinmad
kotlinprogrammers
kotlinsu
kotlintest
kotlintest-devs
kotlintlv
kotlinultimatechallenge
kotlinx-datetime
kotlinx-files
kotlinx-html
kotrix
kotson
kovenant
kprompt
kraph
krawler
kroto-plus
ksp
ktcc
ktfmt
ktlint
ktor
ktp
kubed
kug-leads
kug-torino
kvision
kweb
lambdaworld_cadiz
lanark
language-evolution
language-proposals
latvia
leakcanary
leedskotlinusergroup
lets-have-fun
libgdx
libkgd
library-development
lincheck
linkeddata
lithuania
london
losangeles
lottie
love
lychee
macedonia
machinelearningbawas
madrid
malaysia
mathematics
meetkotlin
memes
meta
metro-detroit
mexico
miami
micronaut
minnesota
minutest
mirror
mockk
moko
moldova
monsterpuzzle
montreal
moonbean
morocco
motionlayout
mpapt
mu
multiplatform
mumbai
munich
mvikotlin
mvrx
myndocs-oauth2-server
naming
navigation-architecture-component
nepal
new-mexico
new-zealand
newname
nigeria
nodejs
norway
npm-publish
nyc
oceania
ohio-kotlin-users
oldenburg
oolong
opensource
orbit-mvi
osgi
otpisani
package-search
pakistan
panamĆ”
pattern-matching
pbandk
pdx
peru
philippines
phoenix
pinoy
pocketgitclient
polish
popkorn
portugal
practical-functional-programming
proguard
prozis-android-backup
pyhsikal
python
python-contributors
quasar
random
re
react
reaktive
realm
realworldkotlin
reductor
reduks
redux
redux-kotlin
refactoring-to-kotlin
reflect
refreshversions
reports
result
rethink
revolver
rhein-main
rocksdb
romania
room
rpi-pico
rsocket
russian
russian_feed
russian-kotlinasfirst
rx
rxjava
san-diego
science
scotland
scrcast
scrimage
script
scripting
seattle
serialization
server
sg-user-group
singapore
skia-wasm-interop-temp
skrape-it
slovak
snake
sofl-user-group
southafrica
spacemacs
spain
spanish
speaking
spek
spin
splitties
spotify-mobius
spring
spring-security
squarelibraries
stackoverflow
stacks
stayhungrystayfoolish
stdlib
stlouis
strife-discord-lib
strikt
students
stuttgart
sudan
swagger-gradle-codegen
swarm
sweden
swing
swiss-user-group
switzerland
talking-kotlin
tallinn
tampa
teamcity
tegal
tempe
tensorflow
terminal
test
testing
testtestest
texas
tgbotapi
thailand
tornadofx
touchlab-tools
training
tricity-kotlin-user-group
trójmiasto
truth
tunisia
turkey
turkiye
twitter-feed
uae
udacityindia
uk
ukrainian
uniflow
unkonf
uruguay
utah
uuid
vancouver
vankotlin
vertx
videos
vienna
vietnam
vim
vkug
vuejs
web-mpp
webassembly
webrtc
wimix_sentry
wwdc
zircon
Powered by
Title
q

Qamar Khan

05/17/2023, 11:07 AM
Dear Developers, I am writing to request your recommendations. Please find my code on this view thread. I am working on implementation of Google Map using compose and location permission handling. It is working fine, but it takes a lot of time to cover all scenarios, such as permission deny, permanently deny, and permission allow. If you find any issues or scenarios that I have missed, please highlight them. I would highly appreciate your consideration. If you could share any good snippets or links, that would be great. Thank you for your time and consideration. #compose #compose-android
@OptIn(ExperimentalSheetApi::class, ExperimentalPermissionsApi::class)
@SuppressLint("UnrememberedMutableState", "UnusedMaterialScaffoldPaddingParameter")
@Composable
fun SearchParkingMainScreen(
    viewModel: SearchParkingViewModel
) {
    val viewState by viewModel.uiState.collectAsState()
    var showErrorMessageBottomSheet by rememberSaveable { mutableStateOf(false) }
    var isBottomSheetClosed by rememberSaveable { mutableStateOf(true) }
    val roundedCornerRadius = 20.dp
    val sheetShape =
        RoundedCornerShape(topStart = roundedCornerRadius, topEnd = roundedCornerRadius)
    val locationPermissionState =
        rememberMultiplePermissionsState(
            listOf(
                Manifest.permission.ACCESS_FINE_LOCATION,
                Manifest.permission.ACCESS_COARSE_LOCATION
            )
        )
    Scaffold(
        backgroundColor = Color_F6F6F6,
        topBar = {
        },
        content = {
            Box {
                if (isBottomSheetClosed) {
                    FeatureRequirePermission(
                        viewModel = viewModel,
                        locationPermissionState = locationPermissionState,
                        modifier = Modifier.fillMaxSize(),
                        openErrorSheet = { showErrorMessageBottomSheet = true },
                        closeErrorSheet = { showErrorMessageBottomSheet = false }
                    )
                }
            }
        }
    )

    ModalSheet(
        visible = showErrorMessageBottomSheet,
        shape = sheetShape,
        elevation = 0.dp,
        backgroundColor = pure_white_color,
        onVisibleChange = { showErrorMessageBottomSheet = it }
    ) {
        val descriptionMessage = when (viewState.isPermissionPermanentlyDenied) {
            true -> R.string.permanently_decline_permission_message
            false -> R.string.first_time_decline_permission_message
            null -> R.string.app_name
        }
        val confirmationButtonText = when (viewState.isPermissionPermanentlyDenied) {
            true -> R.string.open_setting_button_title
            false -> R.string.grant_permission_title
            else -> parking.R.string.app_name
        }

        PermissionDeniedActionBottomSheet(
            onDismiss = {
                showErrorMessageBottomSheet = false
                isBottomSheetClosed = false
            },
            title = stringResource(id = R.string.permission_not_allowed_title),
            errorMessage = stringResource(id = descriptionMessage),
            actionOneText = stringResource(id = R.string.common_button_cancel),
            actionTwoText = stringResource(id = confirmationButtonText),
            event = viewModel::handleCommonStateEvents,
            rePermissionInvoke = {
                isBottomSheetClosed = true
                locationPermissionState.launchMultiplePermissionRequest()
            },
            settingInvoke = navigateToSetting(),
            isPermissionPermanentlyDenied = viewState.isPermissionPermanentlyDenied,
            setupToDefaultState = {
                isBottomSheetClosed = true
            }
        )
    }
    if (showErrorMessageBottomSheet) {
        viewModel.resetBottomSheetState()
    }
}

@OptIn(ExperimentalPermissionsApi::class)
@Composable
fun FeatureRequirePermission(
    viewModel: SearchParkingViewModel,
    locationPermissionState: MultiplePermissionsState,
    modifier: Modifier,
    openErrorSheet: () -> Unit = {},
    closeErrorSheet: () -> Unit = {}
) {
    val doNotShowRationale by rememberSaveable { mutableStateOf(false) }
    var firstTime by rememberSaveable { mutableStateOf(true) }

    PermissionsRequired(
        multiplePermissionsState = locationPermissionState,
        permissionsNotGrantedContent = {
            if (doNotShowRationale) {
                Text("Feature not available")
            } else {
                Column(
                    modifier = Modifier
                        .fillMaxSize()
                        .padding(20.dp),
                    verticalArrangement = Arrangement.Center,
                    horizontalAlignment = Alignment.CenterHorizontally
                ) {
                    if (firstTime) {
                        locationPermissionState.launchMultiplePermissionRequest()
                        firstTime = false
                    } else {
                        viewModel.showLocationDenyBottomSheet(isPermanentlyDeny = false)
                        openErrorSheet.invoke()
                        return@PermissionsRequired
                    }
                }
            }
        },
        permissionsNotAvailableContent = {
            viewModel.showLocationDenyBottomSheet(isPermanentlyDeny = true)
            openErrorSheet.invoke()
            return@PermissionsRequired
        },
        content = {
            closeErrorSheet.invoke()
            viewModel.fetchLocation(LocalContext.current)
            val location = viewModel.location.value
            Log.e("current->", location?.latitude.toString() + "Long" + location?.longitude)
            MainMapView(
                modifier = modifier,
                longitude = location?.longitude,
                latitude = location?.latitude
            )
        }
    )
}

@Composable
fun MainMapView(modifier: Modifier, longitude: Double?, latitude: Double?) {
    var uiSettings by remember { mutableStateOf(MapUiSettings()) }
    val properties by remember { mutableStateOf(MapProperties(mapType = MapType.SATELLITE)) }
    val location = LatLng(latitude ?: 25.204849, longitude ?: 55.270782)
    val cameraPositionState = rememberCameraPositionState {
        position = CameraPosition.fromLatLngZoom(location, 17f)
    }

    Column(modifier = modifier, horizontalAlignment = Alignment.CenterHorizontally) {
        GoogleMap(
            modifier = Modifier
                .fillMaxWidth()
                .fillMaxHeight(),
            properties = properties,
            uiSettings = uiSettings,
            cameraPositionState = cameraPositionState
        ) {
            Marker(
                state = MarkerState(position = location),
                title = "Current Location",
                snippet = "Location"
            )
        }
        Switch(
            checked = uiSettings.zoomControlsEnabled,
            onCheckedChange = {
                uiSettings = uiSettings.copy(zoomControlsEnabled = it)
            }
        )
    }
}