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feat: implement camera feature for plant disease detection

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Cutiful 2025-06-12 08:47:29 +07:00
parent 6d9aa910b6
commit 69b7cbac0f
6 changed files with 282 additions and 0 deletions
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13
agrilinkvocpro/plant_disease_detection_feature/src/main/java/com/syaroful/agrilinkvocpro/plant_disease_detection_feature/data/repository/CameraRepository.kt Normal file
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package com.syaroful.agrilinkvocpro.plant_disease_detection_feature.data.repository
import android.graphics.Bitmap
import androidx.camera.view.LifecycleCameraController
import java.util.concurrent.Executor
interface CameraRepository {
fun takePicture(
controller: LifecycleCameraController,
executor: Executor,
onPictureTaken: (Bitmap) -> Unit
)
}

64
agrilinkvocpro/plant_disease_detection_feature/src/main/java/com/syaroful/agrilinkvocpro/plant_disease_detection_feature/data/repository/CameraRepositoryImpl.kt Normal file
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package com.syaroful.agrilinkvocpro.plant_disease_detection_feature.data.repository
import android.graphics.Bitmap
import android.graphics.Matrix
import android.util.Log
import androidx.camera.core.ImageCapture.OnImageCapturedCallback
import androidx.camera.core.ImageCaptureException
import androidx.camera.core.ImageProxy
import androidx.camera.view.LifecycleCameraController
import java.util.concurrent.Executor
class CameraRepositoryImpl : CameraRepository {
override fun takePicture(
controller: LifecycleCameraController,
executor: Executor,
onPictureTaken: (Bitmap) -> Unit
) {
Log.d("CameraRepository", "Starting takePicture")
controller.takePicture(
executor,
object : OnImageCapturedCallback() {
override fun onCaptureSuccess(image: ImageProxy) {
Log.d("CameraRepository", "Capture success")
try {
val rotationDegrees = image.imageInfo.rotationDegrees
Log.d("CameraRepository", "Rotation: $rotationDegrees")
val matrix = Matrix().apply {
postRotate(rotationDegrees.toFloat())
}
val originalBitmap = image.toBitmap()
Log.d("CameraRepository", "Original bitmap size: ${originalBitmap.width} x ${originalBitmap.height}")
val rotatedBitmap = Bitmap.createBitmap(
originalBitmap,
0, 0,
image.width,
image.height,
matrix,
true
)
Log.d("CameraRepository", "Rotated bitmap size: ${rotatedBitmap.width} x ${rotatedBitmap.height}")
onPictureTaken(rotatedBitmap)
} catch (e: Exception) {
Log.e("CameraRepository", "Error while processing image: ${e.message}", e)
} finally {
image.close()
}
}
override fun onError(exception: ImageCaptureException) {
Log.e("CameraRepository", "Couldn't take photo: ${exception.message}", exception)
}
}
)
}
}

12
agrilinkvocpro/plant_disease_detection_feature/src/main/java/com/syaroful/agrilinkvocpro/plant_disease_detection_feature/di/CameraModule.kt Normal file
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package com.syaroful.agrilinkvocpro.plant_disease_detection_feature.di
import com.syaroful.agrilinkvocpro.plant_disease_detection_feature.data.repository.CameraRepository
import com.syaroful.agrilinkvocpro.plant_disease_detection_feature.data.repository.CameraRepositoryImpl
import com.syaroful.agrilinkvocpro.plant_disease_detection_feature.presentation.camera.CameraViewModel
import org.koin.androidx.viewmodel.dsl.viewModel
import org.koin.dsl.module
val cameraModule = module {
single<CameraRepository> { CameraRepositoryImpl() }
viewModel { CameraViewModel(get(), get())}
}

136
agrilinkvocpro/plant_disease_detection_feature/src/main/java/com/syaroful/agrilinkvocpro/plant_disease_detection_feature/presentation/camera/CameraScreen.kt Normal file
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package com.syaroful.agrilinkvocpro.plant_disease_detection_feature.presentation.camera
import androidx.camera.view.CameraController
import androidx.camera.view.LifecycleCameraController
import androidx.camera.view.PreviewView
import androidx.compose.foundation.Image
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.aspectRatio
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.padding
import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.automirrored.filled.ArrowBack
import androidx.compose.material3.CircularProgressIndicator
import androidx.compose.material3.ExperimentalMaterial3Api
import androidx.compose.material3.Icon
import androidx.compose.material3.IconButton
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Scaffold
import androidx.compose.material3.Text
import androidx.compose.material3.TopAppBar
import androidx.compose.runtime.Composable
import androidx.compose.runtime.collectAsState
import androidx.compose.runtime.getValue
import androidx.compose.runtime.remember
import androidx.compose.runtime.rememberCoroutineScope
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.res.painterResource
import androidx.compose.ui.unit.dp
import androidx.compose.ui.viewinterop.AndroidView
import androidx.core.content.ContextCompat
import androidx.lifecycle.compose.LocalLifecycleOwner
import androidx.navigation.NavHostController
import com.syaroful.agrilinkvocpro.plant_disease_detection_feature.R
import com.syaroful.agrilinkvocpro.plant_disease_detection_feature.presentation.camera.component.CustomCameraShutter
@OptIn(ExperimentalMaterial3Api::class)
@Composable
fun CameraScreen(
navController: NavHostController,
viewModel: CameraViewModel
) {
val context = LocalContext.current
val lifecycleOwner = LocalLifecycleOwner.current
val uiState by viewModel.uiState.collectAsState()
// val bitmaps by viewModel.bitmaps.collectAsState()
val bitmap by viewModel.bitmap.collectAsState()
val scope = rememberCoroutineScope()
// val scaffoldState = rememberBottomSheetScaffoldState()
val controller = remember {
LifecycleCameraController(context).apply {
setEnabledUseCases(
CameraController.IMAGE_CAPTURE
)
}
}
Scaffold(
topBar = {
TopAppBar(
title = {
Column(
horizontalAlignment = Alignment.CenterHorizontally,
modifier = Modifier.fillMaxWidth()
) {
Text(
"Deteksi Penyakit Tanaman", style = MaterialTheme.typography.titleMedium
)
}
},
navigationIcon = {
IconButton(onClick = { navController.popBackStack() }) {
Icon(Icons.AutoMirrored.Filled.ArrowBack, contentDescription = "Back")
}
},
)
},
) { innerPadding ->
Box(
modifier = Modifier
.fillMaxSize()
.padding(innerPadding)
.padding(top = 80.dp)
) {
AndroidView(
modifier = Modifier
.align(Alignment.TopCenter)
.fillMaxWidth()
.aspectRatio(1f),
factory = {
PreviewView(it).apply {
this.controller = controller
controller.bindToLifecycle(lifecycleOwner)
this.scaleType = PreviewView.ScaleType.FILL_CENTER
}
}
)
CustomCameraShutter(
modifier = Modifier
.align(Alignment.BottomCenter)
.padding(bottom = 16.dp, start = 20.dp, end = 20.dp),
onShutterClick = {
if (!uiState.isLoading)
viewModel.takePicture(
controller,
ContextCompat.getMainExecutor(context)
) {
navController.navigate("detail_screen")
}
},
)
Image(
modifier = Modifier
.padding(24.dp)
.align(Alignment.TopCenter),
painter = painterResource(id = R.drawable.scan_frame),
contentDescription = "scan frame"
)
if (uiState.isLoading) {
CircularProgressIndicator(
modifier = Modifier.align(Alignment.Center),
color = Color.White
)
}
}
}
}

5
agrilinkvocpro/plant_disease_detection_feature/src/main/java/com/syaroful/agrilinkvocpro/plant_disease_detection_feature/presentation/camera/CameraUIState.kt Normal file
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package com.syaroful.agrilinkvocpro.plant_disease_detection_feature.presentation.camera
data class CameraUIState(
val isLoading: Boolean = false
)

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agrilinkvocpro/plant_disease_detection_feature/src/main/java/com/syaroful/agrilinkvocpro/plant_disease_detection_feature/presentation/camera/CameraViewModel.kt Normal file
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package com.syaroful.agrilinkvocpro.plant_disease_detection_feature.presentation.camera
import android.graphics.Bitmap
import android.util.Log
import androidx.camera.view.LifecycleCameraController
import androidx.lifecycle.ViewModel
import com.syaroful.agrilinkvocpro.plant_disease_detection_feature.core.AppConstant
import com.syaroful.agrilinkvocpro.plant_disease_detection_feature.core.extention.cropToSquare
import com.syaroful.agrilinkvocpro.plant_disease_detection_feature.data.repository.CameraRepository
import com.syaroful.agrilinkvocpro.plant_disease_detection_feature.presentation.detail.PlantDiagnosisViewModel
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.StateFlow
import java.util.concurrent.Executor
private const val TAG = "CameraViewModel"
class CameraViewModel(
private val cameraRepository: CameraRepository,
private val diagnosisViewModel: PlantDiagnosisViewModel
) : ViewModel() {
private val _uiState = MutableStateFlow(CameraUIState())
val uiState: StateFlow<CameraUIState> = _uiState
private val _bitmap = MutableStateFlow<Bitmap?>(null)
val bitmap: StateFlow<Bitmap?> = _bitmap
val prompt = AppConstant().prompt
fun takePicture(
controller: LifecycleCameraController,
executor: Executor,
onFinish: () -> Unit
) {
Log.d(TAG, "takePicture() called")
_uiState.value = _uiState.value.copy(isLoading = true)
cameraRepository.takePicture(controller, executor) { bitmap ->
Log.d(TAG, "Picture taken, updating state")
val croppedImage = cropToSquare(bitmap)
_bitmap.value = croppedImage
// croppedImage.let {
// diagnosisViewModel.analyzePlant(bitmap = it, prompt = prompt)
// Log.d(TAG, "analyzePlant() called")
// }
_uiState.value = _uiState.value.copy(isLoading = false)
onFinish()
}
}
}