Android CameraX API for Modern Camera Apps
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CameraX provides simplified camera development across Android devices. CameraX lifecycle binding ties camera to Activity/Fragment lifecycle. Preview use case displays camera feed in PreviewView. ImageCapture captures photos with configurable flash mode. ImageAnalysis processes frames for ML and QR scanning. VideoCapture records video with audio support. CameraSelector chooses between front and back cameras. ProcessCameraProvider manages camera lifecycle and binding. ResolutionSelector sets desired output resolution. ImageCapture.OnCaptureCallback handles capture results. Analysis use case in background thread. ML Kit integrates with ImageAnalysis for real-time detection. CameraX handles device-specific quirks automatically. Extensions enable portrait, HDR, and night mode. CameraController provides camera control without preview layout. Torch control enables flashlight functionality. Zoom control handles pinch-to-zoom and slider interactions. Focus metering enables tap-to-focus. CameraX reduces code complexity compared to Camera2 API. It's the recommended camera solution for most Android apps. CameraX handles backward compatibility across Android versions.
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