如何实现Android JobScheduler/JobService？兼寻15分钟间隔限制官方依据

Hey there! Great question about JobScheduler's minimum repeat interval—this is a common point of confusion since the detail isn't front-and-center in all official docs. Let me break down the official sources that confirm that 15-minute minimum for repeating jobs on Android N and above:

Official References to the 15-Minute Limit #

• JobInfo.Builder API Documentation
  If you check the official docs for the setPeriodic(long intervalMillis) method, there's a key note hidden in the method description:

  Apps targeting Android N or higher will have their minimum interval enforced to be at least 15 minutes, even if a smaller interval is requested.
  This is the most direct official confirmation of the limit.

• Android Background Task Optimization Guide
  In Google's official best practices for background tasks, they explicitly mention that to preserve battery life, the system enforces a minimum 15-minute interval for periodic JobScheduler tasks, especially for apps running in the background. This guidance is part of the platform's battery optimization efforts introduced in Android N.

• Android 7.0 (Nougat) Behavior Changes
  The Android Nougat behavior change documentation includes a section on background task restrictions. It states that repeating jobs scheduled via JobScheduler will have their execution intervals adjusted by the system to no less than 15 minutes, regardless of the interval the app requests. This is part of the broader changes to limit background activity and reduce battery drain.

A quick tip: If you test with an interval shorter than 15 minutes, you'll notice the system automatically adjusts it to 15 minutes—this practical behavior aligns perfectly with the official documentation.

内容的提问来源于stack exchange，提问作者Subodh Nijsure