Swiftui MFMessageComposeViewController+;快速马车行为
我正在使用ViewControllerRepresentable显示MFMessageComposeViewController,以便用户可以从我的应用程序发送文本 然而,每次显示视图时,都会出现很多错误——元素随机消失,滚动关闭,屏幕闪烁。在iOS 14.2和14.3上测试 代码如下:Swiftui MFMessageComposeViewController+;快速马车行为,swiftui,mfmailcomposeviewcontroller,mfmessagecomposeview,uiviewrepresentable,uiviewcontrollerrepresentable,Swiftui,Mfmailcomposeviewcontroller,Mfmessagecomposeview,Uiviewrepresentable,Uiviewcontrollerrepresentable,我正在使用ViewControllerRepresentable显示MFMessageComposeViewController,以便用户可以从我的应用程序发送文本 然而,每次显示视图时,都会出现很多错误——元素随机消失,滚动关闭,屏幕闪烁。在iOS 14.2和14.3上测试 代码如下: import SwiftUI import MessageUI struct MessageView: UIViewControllerRepresentable { var recipient: S
import SwiftUI
import MessageUI
struct MessageView: UIViewControllerRepresentable {
var recipient: String
class Coordinator: NSObject, MFMessageComposeViewControllerDelegate {
var completion: () -> Void
init(completion: @escaping ()->Void) {
self.completion = completion
}
// delegate method
func messageComposeViewController(_ controller: MFMessageComposeViewController,
didFinishWith result: MessageComposeResult) {
controller.dismiss(animated: true, completion: nil)
completion()
}
}
func makeCoordinator() -> Coordinator {
return Coordinator() {} // not using completion handler
}
func makeUIViewController(context: Context) -> MFMessageComposeViewController {
let vc = MFMessageComposeViewController()
vc.recipients = [recipient]
vc.messageComposeDelegate = context.coordinator
return vc
}
func updateUIViewController(_ uiViewController: MFMessageComposeViewController, context: Context) {}
typealias UIViewControllerType = MFMessageComposeViewController
}
我的看法呢
struct ContentView: View {
@State private var isShowingMessages = false
@State var result: Result<MFMailComposeResult, Error>? = nil
var body: some View {
VStack {
Button("Show Messages") {
self.isShowingMessages = true
}
.sheet(isPresented: self.$isShowingMessages) {
MessageView(recipient: "+15555555555")
}
.edgesIgnoringSafeArea(.bottom)
}
}
}
struct ContentView:View{
@状态私有变量isShowingMessages=false
@状态变量结果:结果?=nil
var body:一些观点{
VStack{
按钮(“显示消息”){
self.isShowingMessages=true
}
.sheet(显示:self.$isShowingMessages){
MessageView(收件人:“+15555”)
}
.edgesIgnoringSafeArea(.bottom)
}
}
}
我表达这种观点的方式有问题吗?还有其他人经历过这种行为吗?MFMailComposeViewController也会出现类似的行为,但它并没有出现问题。5分钟后,我意识到在展示工作表时需要添加以下内容:
MessageView(recipient: "+15555555555")
.ignoresSafeArea()
视图看起来有问题,因为它试图说明键盘安全区域,并且很难做到这一点。5分钟后,我意识到在展示工作表时需要添加以下内容:
MessageView(recipient: "+15555555555")
.ignoresSafeArea()
该视图看起来有问题,因为它试图说明键盘安全区域,并且很难做到这一点