@objc func applicationWillResignActive() {
if(self.isViewLoaded && (self.view.window != nil)){
print("进入后台")
}
}
@objc func applicationDidBecomeActive() {
if(self.isViewLoaded && (self.view.window != nil)){
print("进入前台")
}
}
@objc func applicationWillResignActive() {
if(self.isViewLoaded && (self.view.window != nil)){
print("进入后台")
}
}
@objc func applicationDidBecomeActive() {
if(self.isViewLoaded && (self.view.window != nil)){
print("进入前台")
}
}
本文标题：swift app切换至后台的检测
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