Node / meshtastic / Meshtastic-Android / files / core / barcode / src / main / kotlin / org / meshtastic / core / barcode / BarcodeScannerProvider.kt

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T8b949e/*

* Copyright (c) 2026 Meshtastic LLC

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

* GNU General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program. If not, see <https://www.gnu.org/licenses/>.

*/

Tf0883e@fileTb4b4b4:Te6edf3OptInTb4b4b4(Te6edf3ExperimentalPermissionsApiTff7b72::Te6edf3classTb4b4b4)

Tff7b72package T7ee787org.meshtastic.core.barcode

Tff7b72import T7ee787android.Manifest

Tff7b72import T7ee787androidx.camera.compose.CameraXViewfinder

Tff7b72import T7ee787androidx.camera.core.CameraSelector

Tff7b72import T7ee787androidx.camera.core.ImageAnalysis

Tff7b72import T7ee787androidx.camera.core.Preview

Tff7b72import T7ee787androidx.camera.core.SurfaceRequest

Tff7b72import T7ee787androidx.camera.lifecycle.ProcessCameraProvider

Tff7b72import T7ee787androidx.compose.foundation.Canvas

Tff7b72import T7ee787androidx.compose.foundation.layout.Box

Tff7b72import T7ee787androidx.compose.foundation.layout.fillMaxSize

Tff7b72import T7ee787androidx.compose.foundation.layout.padding

Tff7b72import T7ee787androidx.compose.material3.Icon

Tff7b72import T7ee787androidx.compose.material3.IconButton

Tff7b72import T7ee787androidx.compose.runtime.Composable

Tff7b72import T7ee787androidx.compose.runtime.DisposableEffect

Tff7b72import T7ee787androidx.compose.runtime.LaunchedEffect

Tff7b72import T7ee787androidx.compose.runtime.getValue

Tff7b72import T7ee787androidx.compose.runtime.mutableStateOf

Tff7b72import T7ee787androidx.compose.runtime.remember

Tff7b72import T7ee787androidx.compose.runtime.setValue

Tff7b72import T7ee787androidx.compose.ui.Alignment

Tff7b72import T7ee787androidx.compose.ui.Modifier

Tff7b72import T7ee787androidx.compose.ui.geometry.Rect

Tff7b72import T7ee787androidx.compose.ui.graphics.ClipOp

Tff7b72import T7ee787androidx.compose.ui.graphics.Color

Tff7b72import T7ee787androidx.compose.ui.graphics.Path

Tff7b72import T7ee787androidx.compose.ui.graphics.drawscope.Stroke

Tff7b72import T7ee787androidx.compose.ui.graphics.drawscope.clipPath

Tff7b72import T7ee787androidx.compose.ui.platform.LocalContext

Tff7b72import T7ee787androidx.compose.ui.unit.dp

Tff7b72import T7ee787androidx.compose.ui.window.Dialog

Tff7b72import T7ee787androidx.compose.ui.window.DialogProperties

Tff7b72import T7ee787androidx.core.content.ContextCompat

Tff7b72import T7ee787androidx.lifecycle.compose.LocalLifecycleOwner

Tff7b72import T7ee787co.touchlab.kermit.Logger

Tff7b72import T7ee787com.google.accompanist.permissions.ExperimentalPermissionsApi

Tff7b72import T7ee787com.google.accompanist.permissions.isGranted

Tff7b72import T7ee787com.google.accompanist.permissions.rememberPermissionState

Tff7b72import T7ee787org.jetbrains.compose.resources.stringResource

Tff7b72import T7ee787org.meshtastic.core.resources.Res

Tff7b72import T7ee787org.meshtastic.core.resources.close

Tff7b72import T7ee787org.meshtastic.core.ui.icon.Close

Tff7b72import T7ee787org.meshtastic.core.ui.icon.MeshtasticIcons

Tff7b72import T7ee787org.meshtastic.core.ui.util.BarcodeScanner

Tff7b72import T7ee787java.util.concurrent.Executors

Tf0883e@Composable

Tff7b72fun Td2a8ffrememberBarcodeScannerTb4b4b4(Te6edf3onResultTb4b4b4: Tb4b4b4(Tffa657String?Tb4b4b4) Tff7b72-Tff7b72> Tffa657UnitTb4b4b4)Tb4b4b4: Te6edf3BarcodeScanner Tb4b4b4{

Tff7b72var Te6edf3showDialog Tff7b72by Te6edf3remember Tb4b4b4{ Te6edf3mutableStateOfTb4b4b4(Tff7b72falseTb4b4b4) Tb4b4b4}

Tff7b72var Te6edf3pendingScan Tff7b72by Te6edf3remember Tb4b4b4{ Te6edf3mutableStateOfTb4b4b4(Tff7b72falseTb4b4b4) Tb4b4b4}

Tff7b72val Te6edf3cameraPermissionState Tff7b72= Te6edf3rememberPermissionStateTb4b4b4(Te6edf3ManifestTb4b4b4.Te6edf3permissionTb4b4b4.Te6edf3CAMERATb4b4b4)

Te6edf3LaunchedEffectTb4b4b4(Te6edf3cameraPermissionStateTb4b4b4.Te6edf3statusTb4b4b4.Te6edf3isGrantedTb4b4b4) Tb4b4b4{

Tff7b72if Tb4b4b4(Te6edf3cameraPermissionStateTb4b4b4.Te6edf3statusTb4b4b4.Te6edf3isGranted Tff7b72&Tff7b72& Te6edf3pendingScanTb4b4b4) Tb4b4b4{

Te6edf3showDialog Tff7b72= Tff7b72true

Te6edf3pendingScan Tff7b72= Tff7b72false

Tb4b4b4}

Tb4b4b4}

Tff7b72if Tb4b4b4(Te6edf3showDialogTb4b4b4) Tb4b4b4{

Te6edf3BarcodeScannerDialogTb4b4b4(

Te6edf3onResult Tff7b72= Tb4b4b4{

Te6edf3showDialog Tff7b72= Tff7b72false

Te6edf3onResultTb4b4b4(Tffa657itTb4b4b4)

Tb4b4b4}Tb4b4b4,

Te6edf3onDismiss Tff7b72= Tb4b4b4{

Te6edf3showDialog Tff7b72= Tff7b72false

Te6edf3onResultTb4b4b4(Tff7b72nullTb4b4b4)

Tb4b4b4}Tb4b4b4,

Tb4b4b4)

Tb4b4b4}

Tff7b72return Te6edf3remember Tb4b4b4{

Tff7b72object Tb4b4b4: T56d364BarcodeScanner Tb4b4b4{

Tff7b72override Tff7b72fun Td2a8ffstartScanTb4b4b4(Tb4b4b4) Tb4b4b4{

Tff7b72if Tb4b4b4(Te6edf3cameraPermissionStateTb4b4b4.Te6edf3statusTb4b4b4.Te6edf3isGrantedTb4b4b4) Tb4b4b4{

Te6edf3showDialog Tff7b72= Tff7b72true

Tb4b4b4} Tff7b72else Tb4b4b4{

Te6edf3pendingScan Tff7b72= Tff7b72true

Te6edf3cameraPermissionStateTb4b4b4.Te6edf3launchPermissionRequestTb4b4b4(Tb4b4b4)

Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Tf0883e@Composable

Tff7b72private Tff7b72fun Td2a8ffBarcodeScannerDialogTb4b4b4(Te6edf3onResultTb4b4b4: Tb4b4b4(Tffa657String?Tb4b4b4) Tff7b72-Tff7b72> Tffa657UnitTb4b4b4, Te6edf3onDismissTb4b4b4: Tb4b4b4(Tb4b4b4) Tff7b72-Tff7b72> Tffa657UnitTb4b4b4) Tb4b4b4{

Tff7b72var Te6edf3isCameraReady Tff7b72by Te6edf3remember Tb4b4b4{ Te6edf3mutableStateOfTb4b4b4(Tff7b72falseTb4b4b4) Tb4b4b4}

Te6edf3DialogTb4b4b4(Te6edf3onDismissRequest Tff7b72= Te6edf3onDismissTb4b4b4, Te6edf3properties Tff7b72= Te6edf3DialogPropertiesTb4b4b4(Te6edf3usePlatformDefaultWidth Tff7b72= Tff7b72falseTb4b4b4)Tb4b4b4) Tb4b4b4{

Te6edf3BoxTb4b4b4(Te6edf3modifier Tff7b72= Te6edf3ModifierTb4b4b4.Te6edf3fillMaxSizeTb4b4b4(Tb4b4b4)Tb4b4b4) Tb4b4b4{

Te6edf3ScannerViewTb4b4b4(Te6edf3onResult Tff7b72= Te6edf3onResultTb4b4b4, Te6edf3onCameraReady Tff7b72= Tb4b4b4{ Te6edf3isCameraReady Tff7b72= Tffa657it Tb4b4b4}Tb4b4b4)

Tff7b72if Tb4b4b4(Te6edf3isCameraReadyTb4b4b4) Tb4b4b4{

Te6edf3ScannerReticuleTb4b4b4(Tb4b4b4)

Tb4b4b4}

Te6edf3IconButtonTb4b4b4(Te6edf3onClick Tff7b72= Te6edf3onDismissTb4b4b4, Te6edf3modifier Tff7b72= Te6edf3ModifierTb4b4b4.Te6edf3alignTb4b4b4(Te6edf3AlignmentTb4b4b4.Te6edf3TopStartTb4b4b4)Tb4b4b4.Te6edf3paddingTb4b4b4(T79c0ff1T79c0ff6.Te6edf3dpTb4b4b4)Tb4b4b4) Tb4b4b4{

Te6edf3IconTb4b4b4(

Te6edf3imageVector Tff7b72= Te6edf3MeshtasticIconsTb4b4b4.Te6edf3CloseTb4b4b4,

Te6edf3contentDescription Tff7b72= Te6edf3stringResourceTb4b4b4(Te6edf3ResTb4b4b4.Te6edf3stringTb4b4b4.Te6edf3closeTb4b4b4)Tb4b4b4,

Te6edf3tint Tff7b72= Te6edf3ColorTb4b4b4.Te6edf3WhiteTb4b4b4,

Tb4b4b4)

Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Tf0883e@SuppressTb4b4b4(Ta5d6ff"Ta5d6ffMagicNumberTa5d6ff"Tb4b4b4)

Tf0883e@Composable

Tff7b72private Tff7b72fun Td2a8ffScannerReticuleTb4b4b4(Tb4b4b4) Tb4b4b4{

Te6edf3CanvasTb4b4b4(Te6edf3modifier Tff7b72= Te6edf3ModifierTb4b4b4.Te6edf3fillMaxSizeTb4b4b4(Tb4b4b4)Tb4b4b4) Tb4b4b4{

Tff7b72val Te6edf3width Tff7b72= Te6edf3sizeTb4b4b4.Te6edf3width

Tff7b72val Te6edf3height Tff7b72= Te6edf3sizeTb4b4b4.Te6edf3height

Tff7b72val Te6edf3reticleSize Tff7b72= Te6edf3widthTb4b4b4.Te6edf3coerceAtMostTb4b4b4(Te6edf3heightTb4b4b4) Tff7b72* T79c0ff0.7f

Tff7b72val Te6edf3left Tff7b72= Tb4b4b4(Te6edf3width Tff7b72- Te6edf3reticleSizeTb4b4b4) Tff7b72/ T79c0ff2

Tff7b72val Te6edf3top Tff7b72= Tb4b4b4(Te6edf3height Tff7b72- Te6edf3reticleSizeTb4b4b4) Tff7b72/ T79c0ff2

Tff7b72val Te6edf3rect Tff7b72= Te6edf3RectTb4b4b4(Te6edf3leftTb4b4b4, Te6edf3topTb4b4b4, Te6edf3left Tff7b72+ Te6edf3reticleSizeTb4b4b4, Te6edf3top Tff7b72+ Te6edf3reticleSizeTb4b4b4)

T8b949e// Draw semi-transparent background with a hole

Te6edf3clipPathTb4b4b4(Te6edf3PathTb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3apply Tb4b4b4{ Te6edf3addRectTb4b4b4(Te6edf3rectTb4b4b4) Tb4b4b4}Tb4b4b4, Te6edf3clipOp Tff7b72= Te6edf3ClipOpTb4b4b4.Te6edf3DifferenceTb4b4b4) Tb4b4b4{

Te6edf3drawRectTb4b4b4(Te6edf3ColorTb4b4b4.Te6edf3BlackTb4b4b4.Te6edf3copyTb4b4b4(Te6edf3alpha Tff7b72= T79c0ff0.6fTb4b4b4)Tb4b4b4)

Tb4b4b4}

T8b949e// Draw reticle corners

Tff7b72val Te6edf3strokeWidth Tff7b72= T79c0ff3.Te6edf3dpTb4b4b4.Te6edf3toPxTb4b4b4(Tb4b4b4)

Tff7b72val Te6edf3cornerLength Tff7b72= T79c0ff4T79c0ff0.Te6edf3dpTb4b4b4.Te6edf3toPxTb4b4b4(Tb4b4b4)

Tff7b72val Te6edf3color Tff7b72= Te6edf3ColorTb4b4b4.Te6edf3White

T8b949e// Corners

Tff7b72val Te6edf3path Tff7b72=

Te6edf3PathTb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3apply Tb4b4b4{

T8b949e// Top Left

Te6edf3moveToTb4b4b4(Te6edf3leftTb4b4b4, Te6edf3top Tff7b72+ Te6edf3cornerLengthTb4b4b4)

Te6edf3lineToTb4b4b4(Te6edf3leftTb4b4b4, Te6edf3topTb4b4b4)

Te6edf3lineToTb4b4b4(Te6edf3left Tff7b72+ Te6edf3cornerLengthTb4b4b4, Te6edf3topTb4b4b4)

T8b949e// Top Right

Te6edf3moveToTb4b4b4(Te6edf3left Tff7b72+ Te6edf3reticleSize Tff7b72- Te6edf3cornerLengthTb4b4b4, Te6edf3topTb4b4b4)

Te6edf3lineToTb4b4b4(Te6edf3left Tff7b72+ Te6edf3reticleSizeTb4b4b4, Te6edf3topTb4b4b4)

Te6edf3lineToTb4b4b4(Te6edf3left Tff7b72+ Te6edf3reticleSizeTb4b4b4, Te6edf3top Tff7b72+ Te6edf3cornerLengthTb4b4b4)

T8b949e// Bottom Right

Te6edf3moveToTb4b4b4(Te6edf3left Tff7b72+ Te6edf3reticleSizeTb4b4b4, Te6edf3top Tff7b72+ Te6edf3reticleSize Tff7b72- Te6edf3cornerLengthTb4b4b4)

Te6edf3lineToTb4b4b4(Te6edf3left Tff7b72+ Te6edf3reticleSizeTb4b4b4, Te6edf3top Tff7b72+ Te6edf3reticleSizeTb4b4b4)

Te6edf3lineToTb4b4b4(Te6edf3left Tff7b72+ Te6edf3reticleSize Tff7b72- Te6edf3cornerLengthTb4b4b4, Te6edf3top Tff7b72+ Te6edf3reticleSizeTb4b4b4)

T8b949e// Bottom Left

Te6edf3moveToTb4b4b4(Te6edf3left Tff7b72+ Te6edf3cornerLengthTb4b4b4, Te6edf3top Tff7b72+ Te6edf3reticleSizeTb4b4b4)

Te6edf3lineToTb4b4b4(Te6edf3leftTb4b4b4, Te6edf3top Tff7b72+ Te6edf3reticleSizeTb4b4b4)

Te6edf3lineToTb4b4b4(Te6edf3leftTb4b4b4, Te6edf3top Tff7b72+ Te6edf3reticleSize Tff7b72- Te6edf3cornerLengthTb4b4b4)

Tb4b4b4}

Te6edf3drawPathTb4b4b4(Te6edf3pathTb4b4b4, Te6edf3colorTb4b4b4, Te6edf3style Tff7b72= Te6edf3StrokeTb4b4b4(Te6edf3strokeWidthTb4b4b4)Tb4b4b4)

Tb4b4b4}

Tb4b4b4}

Tf0883e@SuppressTb4b4b4(Ta5d6ff"Ta5d6ffLongMethodTa5d6ff"Tb4b4b4)

Tf0883e@Composable

Tff7b72private Tff7b72fun Td2a8ffScannerViewTb4b4b4(Te6edf3onResultTb4b4b4: Tb4b4b4(Tffa657String?Tb4b4b4) Tff7b72-Tff7b72> Tffa657UnitTb4b4b4, Te6edf3onCameraReadyTb4b4b4: Tb4b4b4(Tffa657BooleanTb4b4b4) Tff7b72-Tff7b72> Tffa657UnitTb4b4b4) Tb4b4b4{

Tff7b72val Te6edf3context Tff7b72= Te6edf3LocalContextTb4b4b4.Te6edf3current

Tff7b72val Te6edf3lifecycleOwner Tff7b72= Te6edf3LocalLifecycleOwnerTb4b4b4.Te6edf3current

Tff7b72val Te6edf3cameraExecutor Tff7b72= Te6edf3remember Tb4b4b4{ Te6edf3ExecutorsTb4b4b4.Te6edf3newSingleThreadExecutorTb4b4b4(Tb4b4b4) Tb4b4b4}

Tff7b72var Te6edf3surfaceRequest Tff7b72by Te6edf3remember Tb4b4b4{ Te6edf3mutableStateOfTff7b72<Te6edf3SurfaceRequest?Tff7b72>Tb4b4b4(Tff7b72nullTb4b4b4) Tb4b4b4}

Te6edf3DisposableEffectTb4b4b4(Tffa657UnitTb4b4b4) Tb4b4b4{ Te6edf3onDispose Tb4b4b4{ Te6edf3cameraExecutorTb4b4b4.Te6edf3shutdownTb4b4b4(Tb4b4b4) Tb4b4b4} Tb4b4b4}

Te6edf3LaunchedEffectTb4b4b4(Tffa657UnitTb4b4b4) Tb4b4b4{

Tff7b72val Te6edf3cameraProviderFuture Tff7b72= Te6edf3ProcessCameraProviderTb4b4b4.Te6edf3getInstanceTb4b4b4(Te6edf3contextTb4b4b4)

Te6edf3cameraProviderFutureTb4b4b4.Te6edf3addListenerTb4b4b4(

Tb4b4b4{

Tff7b72val Te6edf3cameraProvider Tff7b72= Te6edf3cameraProviderFutureTb4b4b4.Te6edf3getTb4b4b4(Tb4b4b4)

Tff7b72val Te6edf3preview Tff7b72= Te6edf3PreviewTb4b4b4.Te6edf3BuilderTb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3buildTb4b4b4(Tb4b4b4)

Te6edf3previewTb4b4b4.Te6edf3setSurfaceProvider Tb4b4b4{ Te6edf3request Tff7b72-Tff7b72>

Te6edf3surfaceRequest Tff7b72= Te6edf3request

Te6edf3onCameraReadyTb4b4b4(Tff7b72trueTb4b4b4)

Tb4b4b4}

Tff7b72val Te6edf3imageAnalysis Tff7b72=

Te6edf3ImageAnalysisTb4b4b4.Te6edf3BuilderTb4b4b4(Tb4b4b4)

Tb4b4b4.Te6edf3setBackpressureStrategyTb4b4b4(Te6edf3ImageAnalysisTb4b4b4.Te6edf3STRATEGY_KEEP_ONLY_LATESTTb4b4b4)

Tb4b4b4.Te6edf3buildTb4b4b4(Tb4b4b4)

Tb4b4b4.Te6edf3also Tb4b4b4{ Te6edf3analysis Tff7b72-Tff7b72> Te6edf3analysisTb4b4b4.Te6edf3setAnalyzerTb4b4b4(Te6edf3cameraExecutorTb4b4b4, Te6edf3createBarcodeAnalyzerTb4b4b4(Te6edf3onResultTb4b4b4)Tb4b4b4) Tb4b4b4}

Tff7b72try Tb4b4b4{

Te6edf3cameraProviderTb4b4b4.Te6edf3unbindAllTb4b4b4(Tb4b4b4)

Te6edf3cameraProviderTb4b4b4.Te6edf3bindToLifecycleTb4b4b4(

Te6edf3lifecycleOwnerTb4b4b4,

Te6edf3CameraSelectorTb4b4b4.Te6edf3DEFAULT_BACK_CAMERATb4b4b4,

Te6edf3previewTb4b4b4,

Te6edf3imageAnalysisTb4b4b4,

Tb4b4b4)

Tb4b4b4} Tff7b72catch Tb4b4b4(Te6edf3excTb4b4b4: Te6edf3IllegalStateExceptionTb4b4b4) Tb4b4b4{

Te6edf3LoggerTb4b4b4.Te6edf3eTb4b4b4(Te6edf3excTb4b4b4) Tb4b4b4{ Ta5d6ff"Ta5d6ffUse case binding failedTa5d6ff" Tb4b4b4}

Tb4b4b4} Tff7b72catch Tb4b4b4(Te6edf3excTb4b4b4: Te6edf3IllegalArgumentExceptionTb4b4b4) Tb4b4b4{

Te6edf3LoggerTb4b4b4.Te6edf3eTb4b4b4(Te6edf3excTb4b4b4) Tb4b4b4{ Ta5d6ff"Ta5d6ffUse case binding failedTa5d6ff" Tb4b4b4}

Tb4b4b4} Tff7b72catch Tb4b4b4(Te6edf3excTb4b4b4: Te6edf3UnsupportedOperationExceptionTb4b4b4) Tb4b4b4{

Te6edf3LoggerTb4b4b4.Te6edf3eTb4b4b4(Te6edf3excTb4b4b4) Tb4b4b4{ Ta5d6ff"Ta5d6ffUse case binding failedTa5d6ff" Tb4b4b4}

Tb4b4b4}

Tb4b4b4}Tb4b4b4,

Te6edf3ContextCompatTb4b4b4.Te6edf3getMainExecutorTb4b4b4(Te6edf3contextTb4b4b4)Tb4b4b4,

Tb4b4b4)

Tb4b4b4}

Te6edf3surfaceRequestTff7b72?.Te6edf3let Tb4b4b4{ Te6edf3CameraXViewfinderTb4b4b4(Te6edf3surfaceRequest Tff7b72= Tffa657itTb4b4b4, Te6edf3modifier Tff7b72= Te6edf3ModifierTb4b4b4.Te6edf3fillMaxSizeTb4b4b4(Tb4b4b4)Tb4b4b4) Tb4b4b4}

Tb4b4b4}