关于D/CubicBezierInterpolator无限循环调试日志的原因及所属库咨询

Hey there, let's unpack your problem with those endless CubicBezierInterpolator debug logs:

1. Which library does CubicBezierInterpolator belong to? #

CubicBezierInterpolator is a core animation class for the Android platform. It's primarily part of the AndroidX Core Animation library (under the package path androidx.core.animation.CubicBezierInterpolator).

Older Android versions had a similar implementation in the native framework (android.view.animation.PathInterpolator is a related class), but the AndroidX version is now the official, recommended choice for cross-device compatibility. You might also encounter it referenced in Material Design component libraries, since cubic bezier curves are a key part of Material's animation guidelines.

2. Why are you seeing infinite debug logs? #

Those repeating logs are almost always tied to repeated initialization or a looping animation triggering the class's debug output. Here are the most common causes:

• Repeated instance creation in a loop/callback: If your code creates a new CubicBezierInterpolator instance inside a loop, animation update callback (like onAnimationUpdate), or frequently triggered UI event, the class's constructor (which includes that debug log) will fire every time. For example, making a new instance on every frame of an infinite animation will flood your logs nonstop.
• Debug build verbose logging: Debug builds of AndroidX or related libraries often enable verbose debug logging by default. If you're running an infinite-looping animation (like a repeating property animation), every cycle will trigger the interpolator's debug output.
• Third-party library behavior: If you're using a third-party UI/animation library that relies on CubicBezierInterpolator, that library might not properly restrict debug logging. If the library runs looping animations under the hood, it'll keep spitting out those logs.

Quick fixes to stop the flood: #

• Cache your CubicBezierInterpolator instance (make it a global variable or singleton) instead of creating it repeatedly.
• Filter out the logs in Logcat by adding a rule to exclude D/CubicBezierInterpolator.
• If it's a third-party library issue, check the library's docs for a flag to disable debug logging.

内容的提问来源于stack exchange，提问作者monyag