All the info and material about the certification that I've collected so far
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Write and execute a local JVM unit test
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Write and execute a device UI test
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Given a problem description, replicate the failure
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Use the system log to output debug information
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Debug and fix an application crash (uncaught exception)
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Debug and fix an activity lifecycle issue
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Debug and fix an issue binding data to views
- Mock up the main screens and navigation flow of the application
- Describe interactions between UI, background task, and data persistence
- Construct a layout using XML or Java code
- Create a custom view class and add it to a layout
- Implement a custom application theme
- Apply a custom style to a group of common widgets
- Define a RecyclerView item list
- Bind local data to a RecyclerView list
- Implement menu-based or drawer navigation
- Localize the application's UI text into one other language
- Apply content descriptions to views for accessibility
- Add accessibility hooks to a custom view
- Describe an application's key functional and nonfunctional requirements
- Create an Activity that displays a layout resource
- Fetch local data from disk using a Loader on a background thread
- Propagate data changes through a Loader to the UI
- Schedule a time-sensitive task using alarms
- Schedule a background task using JobScheduler
- Execute a background task inside of a Service
- Implement non-standard task stack navigation (deep links)
- Integrate code from an external support library
- Define a database schema; include tables, fields, and indices
- Create an application-private database file
- Construct database queries returning single results
- Construct database queries returning multiple results
- Insert new items into a database
- Update or delete existing items in a database
- Expose a database to other applications via Content Provider
- Read and parse raw resources or asset files
- Create persistent preference data from user input
- Toggle application logic based on preference values
- Create an app widget that displays on the device home screen
- Implement a task to update the app widget periodically
- Create and display a notification to the user