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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