WiFi Over Cellular
Delay or disable heavy data connections until the device is connected to a WiFi network.
Context
Data needs to be syncronized with a server but it is not urgent and can be delayed.
Solution
Data connections using cellular networks are usually more battery intensive than connections using WiFi. Low priority operations that require a data connection to exchange considerable amounts of data should be delayed until a WiFi connection is available.
Example
Consider a mobile app to organize photos that allows users to backup their photos in a cloud server. Use an API to check the availability of a WiFi connection and postpone cloud synchronizing in case it cannot be reached.
References
- - Mitch Bartlett Does Wi-Fi Consume More Battery Power Than 3G or 4G/LTE?
- - Android SDK Documentation Modifying your Download Patterns Based on the Connectivity Type
- - Apple Developer Documention Archive Energy Efficiency Guide for iOS Apps – Energy and Networking
- - Grace Metri, Abhishek Agrawal, Ramesh Peri, and Weisong Shi What is eating up battery life on my SmartPhone: A case study
Occurrences
- - https://github.com/nextcloud/android/issues/1626
- - https://github.com/nextcloud/android/issues/1105
- - https://github.com/nextcloud/android/issues/844
- - https://github.com/haiwen/seadroid/issues/270
- - https://github.com/syncthing/syncthing-android/issues/549
- - https://github.com/syncthing/syncthing-android/issues/511
- - https://github.com/ppareit/swiftp/issues/94
- - https://github.com/maxpower47/PinDroid/issues/31
- - https://github.com/drpout/boilr/issues/243
- - https://github.com/Etuldan/spaRSS/issues/27
- - https://github.com/mozilla/MozStumbler/issues/1466
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