Explain best practices for optimizing mobile app performance from a coding perspective. Focus on efficient data structures, reducing repeated work, minimizing memory overhead, and keeping expensive operations away from user-visible paths.
Choosing arrays vs hash tables appropriatelyAvoiding unnecessary recomputationReducing allocations and temporary objectsImproving string and collection processingKeeping heavy work off the main threadAbility to connect algorithmic thinking to app responsivenessUnderstanding of time/space trade-offsPractical knowledge of common performance pitfalls