Using system resources efficiently
A phone screen question: "When you design an iOS app, what do you keep in mind to use system resources (CPU, memory, network, battery, disk) efficiently?" Give concrete criteria for each resource.
Performance and debuggingShort answerAdvanced
Map and navigation apps use a lot of battery. How would you design one to minimize batter…
#energy #battery
App lifecycle and systemShort answerBasics
How can an app find out that the user turned on Low Power Mode or that the device has got…
#energy #battery
iOS system designMultiple choiceIntro
When the user enters the feed screen, which order of showing data is most appropriate?
#memory #network
iOS system designShort answerIntro
A travel booking app goes list → detail → booking. For each screen, how do you decide whe…
#battery #memory