[英]Keep running the timer in the background at swiftUI
我想要一个计时器在后台继续运行。
这是计时器的当前代码:
struct ContentView: View {
@State var timeRemaining = 10
let timer = Timer.publish(every: 1, on: .main, in: .common).autoconnect()
var body: some View {
Text("\(timeRemaining)")
.onReceive(timer) { _ in
if self.timeRemaining > 0 {
self.timeRemaining -= 1
}
}
} }
我怎样才能让它在后台继续运行?
关于后台任务有几个解释方面......像这样例如: https : //www.raywenderlich.com/5817-background-modes-tutorial-getting-started
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