← WWDC 2017

Configure player

Close

WWDC Index does not host video files

If you have access to video files, you can configure a URL pattern to be used in a video player.

URL pattern

preview

Use any of these variables in your URL pattern, the pattern is stored in your browsers' local storage.

$id
ID of session: wwdc2017-238
$eventId
ID of event: wwdc2017
$eventContentId
ID of session without event part: 238
$eventShortId
Shortened ID of event: wwdc17
$year
Year of session: 2017
$extension
Extension of original filename: mp4
$filenameAlmostEvery
Filename from "(Almost) Every..." gist: [2017] [Session 238] Writing Ene...

WWDC17 • Session 238

Writing Energy Efficient Apps

App Frameworks • iOS, macOS, watchOS • 40:04

People expect long battery life on their mobile devices, and apps play a vital role in achieving that experience. Learn strategies to conserve energy while providing the best experience for your app. Find out about the key areas that affect energy consumption of an app as well as how to best use the available APIs to optimize battery life. Master energy debugging tools to make your app more energy efficient.

Speakers: Daniel Schucker, Prajakta Karandikar

Unlisted on Apple Developer site

Downloads from Apple

HD Video (1.24 GB)
SD Video (320.6 MB)
PDF Slides (2.8 MB)