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@khawajafarooq
Created December 15, 2018 14:43
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Demonstration of app threads in swift
// Application threads
// Background
func BG(_ block: @escaping () -> Void) {
DispatchQueue.global(qos: .default).async(execute: block)
}
// Main
func UI(_ block: @escaping () -> Void) {
DispatchQueue.main.async(execute: block)
}
// Example
BG { [unowned, weak self] in
// load data on background thread
self.viewModel.loadData() { [weak self] data in
UI {
// Updating UI
self?.updateData(data)
}
}
}
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