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CameraX Make photography easier on Android! Bapusaheb Patil Mobile Engineer & Meme Historian at Softway www.bapspatil.com

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Where I work...

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Why CameraX?

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val cameraIntent = Intent(MediaStore.ACTION_IMAGE_CAPTURE)

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val cameraIntent = Intent(MediaStore.ACTION_IMAGE_CAPTURE) Not for camera-based apps.

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● Camera API ● Camera2 API

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Camera API

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The first-ever API for camera on Android! ✨

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Simpler to setup than Camera2…

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Simpler to setup than Camera2... ...but no advanced camera features.

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Cons...

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Deprecated since...

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Camera2 API

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A lot more complex to setup than Camera API…

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A lot more complex to setup than Camera API… ...but comes with advanced features!

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“Bapu, you told me this was the coolest, latest Android API for camera on the block. Turns out it requires lot of code! ”

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Way too many callbacks.

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Source: https://proandroiddev.com/understanding-camera2-api-from-callbacks-part-1-5d348de65950

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Developers have to test a lot. On a lot of devices.

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CameraX!

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CameraX, uses Camera2! (under-the-hood)

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API 21+

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Camera2: Too much control. CameraX: Use case based.

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3 use cases

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3 use cases 1. Preview 2. Analysis 3. Capture

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1. Preview Displaying the image.

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2. Analysis Analyze the buffer for, maybe, ML Kit?

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3. Capture Save your images.

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Building a CameraX app...

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Sample app: bit.ly/camerax-git

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Don’t forget permissions!

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Setup your (basic) UI.

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Do NOT forget permissions!

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Setup TextureView for rotations.

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Setup CameraX!

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Setup the Preview.

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Setup the Analysis.

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Setup the Capture.

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Bind CameraX to the lifecycle.

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Let’s talk use cases.

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Source: Android Developers

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Camera360 Detect faces & add filters.

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CameraX fixes a lot of issues. ‍⚕

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CameraX simplifies Camera2.

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“Okay, Bapu, you’ve impressed me with CameraX. Where do I go from here? ”

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For more:

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For more:

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For more:

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Now, go out there & build your first CameraX app!

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Bapusaheb Patil Mobile Engineer & Meme Historian at Softway Say hi to me! bapspatil bapspatil.com baps_patil ‍♂ Find these slides at: bit.ly/camerax-ppt