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add camera permissions and taking photo
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app/src/main/java/edu/card/clarity/presentation/recordReceiptScreen/.DS_Store
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app/src/main/java/edu/card/clarity/presentation/recordReceiptScreen/CameraCapture.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| package edu.card.clarity.presentation.recordReceiptScreen | ||
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|
||
| import android.content.Context | ||
| import android.os.Environment | ||
| import androidx.camera.core.* | ||
| import androidx.camera.lifecycle.ProcessCameraProvider | ||
| import androidx.camera.view.PreviewView | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.remember | ||
| import androidx.compose.ui.Alignment | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.platform.LocalContext | ||
| import androidx.compose.ui.viewinterop.AndroidView | ||
| import androidx.compose.ui.platform.LocalLifecycleOwner | ||
| import androidx.core.content.ContextCompat | ||
| import java.io.File | ||
| import java.text.SimpleDateFormat | ||
| import java.util.* | ||
| import androidx.compose.foundation.layout.Box | ||
| import androidx.compose.foundation.layout.fillMaxSize | ||
| import androidx.compose.foundation.layout.padding | ||
| import androidx.compose.material3.Button | ||
| import androidx.compose.material3.Text | ||
| import androidx.compose.ui.unit.dp | ||
| import java.util.concurrent.Executor | ||
|
|
||
| @Composable | ||
| fun CameraCapture(onImageCaptured: (String) -> Unit, onError: (ImageCaptureException) -> Unit) { | ||
| val context = LocalContext.current | ||
| val lifecycleOwner = LocalLifecycleOwner.current | ||
| val cameraProviderFuture = remember { ProcessCameraProvider.getInstance(context) } | ||
| val imageCapture = remember { ImageCapture.Builder().build() } | ||
| val executor = ContextCompat.getMainExecutor(context) // Define executor here | ||
|
|
||
| Box(modifier = Modifier | ||
| .fillMaxSize() | ||
| .padding(bottom = 50.dp)) { | ||
| AndroidView( | ||
| factory = { ctx -> | ||
| val previewView = PreviewView(ctx) | ||
|
|
||
| cameraProviderFuture.addListener({ | ||
| val cameraProvider = cameraProviderFuture.get() | ||
| val preview = Preview.Builder().build().also { | ||
| it.setSurfaceProvider(previewView.surfaceProvider) | ||
| } | ||
|
|
||
| try { | ||
| cameraProvider.unbindAll() | ||
| cameraProvider.bindToLifecycle( | ||
| lifecycleOwner, | ||
| CameraSelector.DEFAULT_BACK_CAMERA, | ||
| preview, | ||
| imageCapture | ||
| ) | ||
| } catch (exc: Exception) { | ||
| onError(exc as ImageCaptureException) | ||
| } | ||
| }, executor) | ||
|
|
||
| previewView | ||
| }, | ||
| modifier = Modifier.fillMaxSize() | ||
| ) | ||
|
|
||
| Button( | ||
| onClick = { | ||
| takePhoto(context, imageCapture, executor, onImageCaptured, onError) | ||
| }, | ||
| modifier = Modifier.align(Alignment.BottomCenter) | ||
| ) { | ||
| Text("Take Picture") | ||
| } | ||
| } | ||
| } | ||
|
|
||
| fun takePhoto( | ||
| context: Context, | ||
| imageCapture: ImageCapture, | ||
| executor: Executor, | ||
| onImageCaptured: (String) -> Unit, | ||
| onError: (ImageCaptureException) -> Unit | ||
| ) { | ||
| val photoFile = createFile(context) | ||
| val outputOptions = ImageCapture.OutputFileOptions.Builder(photoFile).build() | ||
|
|
||
| imageCapture.takePicture( | ||
| outputOptions, | ||
| executor, | ||
| object : ImageCapture.OnImageSavedCallback { | ||
| override fun onImageSaved(output: ImageCapture.OutputFileResults) { | ||
| onImageCaptured(photoFile.absolutePath) | ||
| } | ||
|
|
||
| override fun onError(exc: ImageCaptureException) { | ||
| onError(exc) | ||
| } | ||
| } | ||
| ) | ||
| } | ||
|
|
||
| fun createFile(context: Context): File { | ||
| val storageDir = context.getExternalFilesDir(Environment.DIRECTORY_PICTURES) | ||
| return File(storageDir, SimpleDateFormat("yyyy-MM-dd-HH-mm-ss-SSS", Locale.US) | ||
| .format(System.currentTimeMillis()) + ".jpg") | ||
| } | ||
|
|
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