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Last updated 2025-02-10 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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-02-10 UTC."],[],[],null,["# Package Index\n=============\n\n| The `android.arch` Architecture Components packages are no longer maintained. They have been superseded by the corresponding [androidx.\\*](/jetpack/androidx/migrate) packages.\n\nThese are the API packages.\nSee all [API classes](/reference/android/arch/classes).\n\n|---------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------|\n| [android.arch.core.executor.testing](/reference/android/arch/core/executor/testing/package-summary) | |\n| [android.arch.core.util](/reference/android/arch/core/util/package-summary) | |\n| [android.arch.lifecycle](/reference/android/arch/lifecycle/package-summary) | |\n| [android.arch.paging](/reference/android/arch/paging/package-summary) | |\n| [android.arch.persistence.db](/reference/android/arch/persistence/db/package-summary) | |\n| [android.arch.persistence.db.framework](/reference/android/arch/persistence/db/framework/package-summary) | |\n| [android.arch.persistence.room](/reference/android/arch/persistence/room/package-summary) | Room is a Database Object Mapping library that makes it easy to access database on Android applications. |\n| [android.arch.persistence.room.migration](/reference/android/arch/persistence/room/migration/package-summary) | |\n| [android.arch.persistence.room.testing](/reference/android/arch/persistence/room/testing/package-summary) | |"]]
