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View Code? Open in Web Editor NEWThis is the personal practice repo according one of the topics in codelab session of google I/O 2019
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Step 3 - Add the Gradle dependencies
- Add the camerax dependencies
- Add the compileOptions description
Step 2 - Start a new project
- Empty Activity
- Write in Kotlin
- Min API: 21
- No need support instant apps
- Use AndroidX
Step 5 - Request camera permissions
- manifest
- android.permission.CAMERA
- MainActivity
- ( override ) onRequestPermissionsResult
- ( override ) onCreate - check the permission
Step 6 - Implement view finder
- Implement the method
startCamera()andupdateTransform()which we created in the last issue #5 Previewclass in CameraX
[Develop Test] Initial functions
- Test conditions:
- App can open
- The permission pop-up displayed when the app open-after-install
- Can see the camera view after the permission granted
- The shot photo will storage to the device storage after click the button
- Analyze log output
Step 8 - Implement image analysis use case
- Create the inner class
LuminosityAnalyzer, which extendImageAnalysis.Analyzer - In the method
startCamera, prepare the image analyze UseCase and bind to the lifecycle
[Enhancement]Readme content
- Following content can be mentioned in the readme file
- The features
- Minimal SDK version
- Visual Studio Version
Step 7 - Implement image capture use case
- Add the
ImageButtonin the xml layout - Implement the button push logic in the method
startCamera()we implemented in the previous issue #8- Implement the UseCase
ImageCapture - Bound the UseCase in the LifeCycle
- Implement the UseCase
Step 4 - Create the viewfinder layout
- activity_main.xml
- androidx.constraintlayout.widget.ConstraintLayout
- TextureView
Implement the Codelab practice
- Step 2 ( #2 ) - Start a new project
- Step 3 ( #3 ) - Add the Gradle dependencies
- Step 4 ( #4 ) - Create the viewfinder layout
- Step 5 ( #5 ) - Request camera permissions
- Step 6 ( #8 ) - Implement view finder
- Step 7 ( #12 ) - Implement image capture use case
- Step 8 ( #14 ) - Implement image analysis use case
[Enhancement] Gradle configuration
- Add the dev environment
- Prepare the key store for sign build the release build
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