Created
March 30, 2021 21:16
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Simple compose function for CameraX Preview
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@Composable | |
fun SimpleCameraPreview() { | |
val lifecycleOwner = LocalLifecycleOwner.current | |
val context = LocalContext.current | |
val cameraProviderFuture = remember { ProcessCameraProvider.getInstance(context) } | |
AndroidView( | |
factory = { ctx -> | |
val previewView = PreviewView(ctx) | |
val executor = ContextCompat.getMainExecutor(ctx) | |
cameraProviderFuture.addListener({ | |
val cameraProvider = cameraProviderFuture.get() | |
val preview = Preview.Builder().build().also { | |
it.setSurfaceProvider(previewView.surfaceProvider) | |
} | |
val cameraSelector = CameraSelector.Builder() | |
.requireLensFacing(CameraSelector.LENS_FACING_BACK) | |
.build() | |
cameraProvider.unbindAll() | |
cameraProvider.bindToLifecycle( | |
lifecycleOwner, | |
cameraSelector, | |
preview | |
) | |
}, executor) | |
previewView | |
}, | |
modifier = Modifier.fillMaxSize(), | |
) | |
} |
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