![]() Provide a detailed overview of the main thread and how much time is spent inĮach stage. Tools such as the Android Studio Profiler and Select the app startup time and look at overall thread slices. TTFD short is important to help ensure that the user can start interacting with Optimize for both TTID and TTFD, because both are important in their own areas.Ī short TTID helps the user see that the app is actually launching. Useful in measuring and optimizing the code paths necessary to have a fullyįor strategies on reporting when the app UI is fully drawn, see Improve startup However, this metric doesn't necessarily reflect the time until the user can To see the time it takes the app to produce its first frame, measure the time Investigate each of these traces further to find performance gaps. Can wait until after your first frame is drawn.For more information, see Navigate a Systrace For a general start, look at all operations that take longer than Occupy large time frames and can be optimized.Look at the overall time spent during app startup to identify any operations Studio Profilers to analyze these traces. Taken for major operations like bindApplication or activityStart. When you have a complete app startup trace, look at the trace and measure time Measure and analyze time spent in major operations For more information, see Use metrics to detect and diagnose Optimize and re-measure until you're satisfied with the startup time for yourĪpp. Remember to include the potential for regression or breaking changes Processes can still affect CPU usage during startup.Īfter you fully investigate the operation, you can decide on the tradeoffīetween the time it takes to load and the necessity of including it in app Move long-running operations to the background, if possible. Unnecessary operations can be called from legacy code or third-party The operation can wait until the app is fully drawn, it can help minimizeĮnsure that you expect this operation to run at app startup. Use the Macrobenchmark library to measure the time taken by each operation,Īnd identify blocks that take a long time to complete.Ĭonfirm that the resource-intensive operation is critical to app startup. To make performance tradeoffs, consider the following: Non-essential resources can wait to load until after startup ![]()
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