Data management
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Many Android apps store and retrieve user information that persists beyond the
life of the app.
To prepare for the Associate Android Developer certification exam, developers should:
- Understand how to define data using Room entities
- Be able to access
Room database with data access object (DAO)
- Know how to observe and respond to changing data using
LiveData
- Understand how to use a Repository to mediate data operations
- Be able to read and parse raw resources or asset files
- Be able to create persistent Preference data from user input
- Understand how to change the behavior of the app based on user preferences
Related Course Content
Other Resources
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Last updated 2023-12-05 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2023-12-05 UTC."],[[["\u003cp\u003eAndroid apps often need to store and retrieve user information that outlasts the app's active session.\u003c/p\u003e\n"],["\u003cp\u003eDevelopers preparing for the Associate Android Developer certification should understand key concepts like Room entities, DAOs, LiveData, Repositories, and persistent Preferences to manage data effectively.\u003c/p\u003e\n"],["\u003cp\u003eThe provided resources, including codelabs and course content, offer hands-on learning experiences for mastering these data persistence techniques.\u003c/p\u003e\n"],["\u003cp\u003eAchieving competency in these areas is crucial for building robust and user-friendly Android applications.\u003c/p\u003e\n"]]],[],null,["# Data management\n\nMany Android apps store and retrieve user information that persists beyond the\nlife of the app.\n\nTo prepare for the Associate Android Developer certification exam, developers should:\n\n- Understand how to define data using Room entities\n- Be able to access `Room` database with data access object (DAO)\n- Know how to observe and respond to changing data using `LiveData`\n- Understand how to use a Repository to mediate data operations\n- Be able to read and parse raw resources or asset files\n- Be able to create persistent Preference data from user input\n- Understand how to change the behavior of the app based on user preferences\n\nRelated Course Content\n----------------------\n\n- [Android Basics in Kotlin Unit 3 - Navigation, Pathway 3: Architecture components](https://developer.android.com/courses/pathways/android-basics-kotlin-unit-3-pathway-3)\n- [Android Basics in Kotlin Unit 3 - Navigation, Pathway 4: Advanced navigation app examples](https://developer.android.com/courses/pathways/android-basics-kotlin-unit-3-pathway-4)\n\nOther Resources\n---------------\n\n- [Android Developers -\\\u003e Shared preferences](https://developer.android.com/training/data-storage/shared-preferences)\n- [Codelabs -\\\u003e Room with a View (Kotlin)](https://codelabs.developers.google.com/codelabs/android-room-with-a-view-kotlin/index.html#0)\n- [Codelabs -\\\u003e Room with a View (Java)](https://codelabs.developers.google.com/codelabs/android-room-with-a-view/index.html#0)\n- [Codelabs -\\\u003e Room, LiveData and ViewModel](https://codelabs.developers.google.com/codelabs/android-training-livedata-viewmodel/index.html#0)\n- [Codelabs -\\\u003e Repository](https://codelabs.developers.google.com/codelabs/android-training-livedata-viewmodel/index.html#0)\n- [Codelabs -\\\u003e Shared preferences](https://codelabs.developers.google.com/codelabs/android-training-shared-preferences/index.html#0)\n- [Codelabs -\\\u003e ViewModel and ViewModelFactory](https://codelabs.developers.google.com/codelabs/kotlin-android-training-view-model/index.html#0)\n- [Codelabs -\\\u003e App settings](https://codelabs.developers.google.com/codelabs/android-training-adding-settings-to-app/index.html#0)\n- [Codelabs -\\\u003e Drawables, styles, and themes](https://codelabs.developers.google.com/codelabs/android-training-drawables-styles-and-themes/index.html#0)"]]
