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App performance guide
This guide provides an overview of libraries, tools, and best practices you can use to inspect, improve, and monitor performance on Android.
Users want apps to launch quickly, render smoothly, and require little memory and battery usage. This guide's sections provide information and insights into tools, libraries, and best practices that help you achieve better app performance.
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Get your App Performance Score
Take the app performance quiz to get your App Performance Score. Each score comes with actionable insights, evaluations and recommendations to improve your app's performance.
Inspect performance
Learn about inspecting app performance during development.
Improve performance
Improve app performance where it matters the most—in production.
Monitor performance
Monitor your app's performance in production to learn about potential bottlenecks.
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Improve performance with Baseline Profiles
Implementing Baseline Profiles is the quickest, most efficient way to realize performance improvements in your app.
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Improve app startup with DEX layout optimizations
With DEX layout optimizations, you can improve the locality of code used during startup, reducing the number of major page faults.
Featured samples
Macrobenchmark
Use the Macrobenchmark sample library for testing application startup and runtime performance cases, such as scrolling a RecyclerView to measure jank.
Microbenchmark
Use the Benchmark library to benchmark code and UI from library modules.
JankStats
Use the JankStats library to monitor performance on your app.