117: Twenty Out Of Twenty Is Bad

iOhYes

Discussion: Energy Profiler

For more info see Ep. 104, Power Struggles

• Apple really wants us to be good citizens of the battery.
• Apps that quickly drain the battery will be shunned by users
  • Remember the Facebook background audio “bug” (some say ploy to allow the fb app to stay alive in background)
• “App as patient” metaphor
• iOS Energy Gauge / Energy Report
  • provides a high-level overview of energy usage as you test your app
• Energy logging on phone
  • Good for long periods of data collection
• Energy Instrument
  • for best results, target an iOS device wirelessly (I wasn’t able to get this working because you need Bonjour and multicast enabled on your wireless network access point)
  • 20 / 20 is bad, 1 / 20 is good
• Energy experts at Apple recommend
  • Do it never (Do it less)
  • Do it later
    • Use the background activity scheduler APIs
  • Do it more efficiently

Picks

John

• This Week in Swift from Natasha the Robot

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