iOS 15 键盘隐藏文本框
iOS 15 Keyboard hides textfield
我正在尝试创建消息页面布局，但键盘隐藏了文本字段并将所有内容移至顶部。我在网上看了很多教程并完全复制了它们，但其中 none 似乎有效。
这是我写的所有代码：
struct MessagingPage: View {
var user: OfficialUserModel
@ObservedObject private var vm = TheUserModel()
@State var screenWidth = UIScreen.main.bounds.width
@State var imageSize = UIScreen.main.bounds.width / 12
@State var text = ""
@State var show = false
@Environment(\.presentationMode) var presentationMode
var body: some View {
NavigationView{
ZStack{
VStack{
HStack{
Spacer()
NavigationLink(destination: UserDisplayPage(user: user)) {
HStack{
WebImage(url: URL(string: user.imageURL ))
.resizable()
.aspectRatio( contentMode: .fill)
.frame(width: imageSize, height: imageSize
)
.cornerRadius(imageSize/2)
VStack(alignment: .leading){
Text(user.FullName)
.font(.body)
.fontWeight(.bold)
.foregroundColor(.white)
Text("\(user.City) , \(user.Country)")
.font(.caption)
.fontWeight(.semibold)
.foregroundColor(.white)
}
}
}
Spacer()
HStack{
Button{
presentationMode.wrappedValue.dismiss()
} label: {
Image(systemName: "chevron.down")
.font(.title)
.foregroundColor(.myWhite)
}
}
.padding(.trailing)
}
.padding(.top, 30)
.frame(height: 75)
.background(Color.mainBlack)
ScrollView{
Spacer()
ForEach(0..<2){ num in
HStack{
Spacer()
HStack{
Text("Hello \(user.firstName)")
.foregroundColor(.orange)
}
.padding()
.background(Color.mainBlack)
.cornerRadius(15)
.shadow(color: .orange, radius: 2)
}
.padding(.horizontal)
.padding(.top, 8)
}
HStack{Spacer()}
HStack{
HStack{
Text("\(user.FullName) is unable to recieve your message at this time. Please try again at a later time.")
.foregroundColor(.green)
}
.padding()
.background(Color.mainBlack)
.cornerRadius(15)
.shadow(color: .green, radius: 2)
Spacer()
}
.padding(.horizontal)
.padding(.top, 8)
HStack{Spacer()}
}
.background(Color.mainBlack)
ZStack{
HStack{
HStack{
HStack{
TextField("Say Something...", text: self.$text)
.placeholder(when: text.isEmpty) {
Text("Say Something...").foregroundColor(.myWhite.opacity(0.5))
}
.frame(width: screenWidth - 200, height: screenWidth/25)
.foregroundColor(.myCyan)
.accentColor(.myCyan)
.background(Color.mainBlack)
.textContentType(.emailAddress)
if !text.isEmpty{
Button{
print(text)
self.text = ""
}label: {
Image(systemName: "paperplane")
.foregroundColor(.myCyan)
.font(.system(size: 20))
}
}
else{
Button{
print("Show more options")
}label: {
Image(systemName: "plus")
.foregroundColor(.myCyan)
.font(.system(size: 20))
}
}
}
.frame(width: screenWidth - 150, height: screenWidth/25)
.padding()
.background(Color.mainBlack)
.cornerRadius(30)
.shadow(color: .myCyan, radius: 5)
.padding(.bottom,5)
}
}
.padding(.bottom, 50)
.frame(width: screenWidth)
}
}
}
.frame(width: UIScreen.main.bounds.width, height: UIScreen.main.bounds.height)
.background(Color.mainBlack)
.navigationBarTitle("")
.navigationBarHidden(true)
}
}
}
我希望文本字段和滚动视图中的消息一样向上移动，但带有用户图像的顶部 HStack 和 back/dismiss 按钮应该保留在原位。
您 确实 里面有很多代码 - 清理它的两个原因：
- 要获得好的答案，您需要 post 一个 minimal, reproducible example，这也可能有助于您在 post 编译之前调试代码
- 多行代码是多余的或无用的，例如：
- 为什么使用
HStack{Spacer()} 之类的东西而不是 Spacer()，顺便说一句，在这种情况下不需要它？
- 为什么有一个内部只有另一个堆栈的堆栈？
关于您的问题，问题在于冗余修饰符之一阻止文本文件向上移动，这是要删除的行：
.frame(width: UIScreen.main.bounds.width, height: UIScreen.main.bounds.height)
为什么要设置与屏幕一样高和一样大的框架？这迫使文本字段留在底部。
我尝试做一些清理工作，我敢打赌还能做更多工作 - 请参阅下面的代码，现在键盘不再覆盖文本字段：
struct MessagingPage: View {
// Removed some lines of code to reproduce your issue
@State var screenWidth = UIScreen.main.bounds.width
@State var imageSize = UIScreen.main.bounds.width / 12
@State var text = ""
@State var show = false
@Environment(\.presentationMode) var presentationMode
var body: some View {
NavigationView{
// What is the purpose of this ZStack???
// ZStack{
VStack{
HStack{
Spacer()
NavigationLink(destination: Text("Hello")) {
Text("Top bar")
}
Spacer()
HStack{
Button{
presentationMode.wrappedValue.dismiss()
} label: {
Image(systemName: "chevron.down")
.font(.title)
.foregroundColor(.white)
}
}
.padding(.trailing)
}
.padding(.top, 30)
.frame(height: 75)
.background(Color.black)
ScrollView{
// All the views inside the Scrollview need to be inside a VStack
VStack {
// Why this spacer???
// Spacer()
ForEach(0..<2){ num in
HStack{
Spacer()
HStack{
Text("Hello username")
.foregroundColor(.orange)
}
.padding()
.background(Color.black)
.cornerRadius(15)
.shadow(color: .orange, radius: 2)
}
.padding(.horizontal)
.padding(.top, 8)
}
HStack{Spacer()}
HStack{
HStack{
Text("User is unable to receive your message at this time. Please try again at a later time.")
.foregroundColor(.green)
}
.padding()
.background(Color.black)
.cornerRadius(15)
.shadow(color: .green, radius: 2)
Spacer()
}
.padding(.horizontal)
.padding(.top, 8)
// Why a Spacer inside an HStack???
// HStack{Spacer()}
}
.background(Color.black)
}
// What is the purpose of this ZStack???
// ZStack{
// Why an HStack that has only an HStack inside??
// HStack{
// Why an HStack that has only an HStack inside??
// HStack{
HStack{
TextField("Say Something...", text: self.$text)
.frame(width: screenWidth - 200, height: screenWidth/25)
.foregroundColor(.cyan)
.accentColor(.cyan)
.background(Color.white)
.textContentType(.emailAddress)
if !text.isEmpty{
Button{
print(text)
self.text = ""
}label: {
Image(systemName: "paperplane")
.foregroundColor(.cyan)
.font(.system(size: 20))
}
}
else{
Button{
print("Show more options")
}label: {
Image(systemName: "plus")
.foregroundColor(.cyan)
.font(.system(size: 20))
}
}
}
// Are you sure you want set the height of this stack based on the width?
// .frame(width: screenWidth - 150, height: screenWidth/25)
.frame(width: screenWidth - 150)
.padding()
.background(Color.black)
.cornerRadius(30)
.shadow(color: .black, radius: 5)
.padding(.bottom,5)
// }
// }
.padding(.bottom, 50)
.frame(width: screenWidth)
// }
}
// }
// Why setting a frame that is high and large as much as the screen??
// .frame(width: UIScreen.main.bounds.width, height: UIScreen.main.bounds.height)
.background(Color.black)
.navigationBarTitle("")
.navigationBarHidden(true)
}
}
}
我正在尝试创建消息页面布局，但键盘隐藏了文本字段并将所有内容移至顶部。我在网上看了很多教程并完全复制了它们，但其中 none 似乎有效。
这是我写的所有代码：
struct MessagingPage: View {
var user: OfficialUserModel
@ObservedObject private var vm = TheUserModel()
@State var screenWidth = UIScreen.main.bounds.width
@State var imageSize = UIScreen.main.bounds.width / 12
@State var text = ""
@State var show = false
@Environment(\.presentationMode) var presentationMode
var body: some View {
NavigationView{
ZStack{
VStack{
HStack{
Spacer()
NavigationLink(destination: UserDisplayPage(user: user)) {
HStack{
WebImage(url: URL(string: user.imageURL ))
.resizable()
.aspectRatio( contentMode: .fill)
.frame(width: imageSize, height: imageSize
)
.cornerRadius(imageSize/2)
VStack(alignment: .leading){
Text(user.FullName)
.font(.body)
.fontWeight(.bold)
.foregroundColor(.white)
Text("\(user.City) , \(user.Country)")
.font(.caption)
.fontWeight(.semibold)
.foregroundColor(.white)
}
}
}
Spacer()
HStack{
Button{
presentationMode.wrappedValue.dismiss()
} label: {
Image(systemName: "chevron.down")
.font(.title)
.foregroundColor(.myWhite)
}
}
.padding(.trailing)
}
.padding(.top, 30)
.frame(height: 75)
.background(Color.mainBlack)
ScrollView{
Spacer()
ForEach(0..<2){ num in
HStack{
Spacer()
HStack{
Text("Hello \(user.firstName)")
.foregroundColor(.orange)
}
.padding()
.background(Color.mainBlack)
.cornerRadius(15)
.shadow(color: .orange, radius: 2)
}
.padding(.horizontal)
.padding(.top, 8)
}
HStack{Spacer()}
HStack{
HStack{
Text("\(user.FullName) is unable to recieve your message at this time. Please try again at a later time.")
.foregroundColor(.green)
}
.padding()
.background(Color.mainBlack)
.cornerRadius(15)
.shadow(color: .green, radius: 2)
Spacer()
}
.padding(.horizontal)
.padding(.top, 8)
HStack{Spacer()}
}
.background(Color.mainBlack)
ZStack{
HStack{
HStack{
HStack{
TextField("Say Something...", text: self.$text)
.placeholder(when: text.isEmpty) {
Text("Say Something...").foregroundColor(.myWhite.opacity(0.5))
}
.frame(width: screenWidth - 200, height: screenWidth/25)
.foregroundColor(.myCyan)
.accentColor(.myCyan)
.background(Color.mainBlack)
.textContentType(.emailAddress)
if !text.isEmpty{
Button{
print(text)
self.text = ""
}label: {
Image(systemName: "paperplane")
.foregroundColor(.myCyan)
.font(.system(size: 20))
}
}
else{
Button{
print("Show more options")
}label: {
Image(systemName: "plus")
.foregroundColor(.myCyan)
.font(.system(size: 20))
}
}
}
.frame(width: screenWidth - 150, height: screenWidth/25)
.padding()
.background(Color.mainBlack)
.cornerRadius(30)
.shadow(color: .myCyan, radius: 5)
.padding(.bottom,5)
}
}
.padding(.bottom, 50)
.frame(width: screenWidth)
}
}
}
.frame(width: UIScreen.main.bounds.width, height: UIScreen.main.bounds.height)
.background(Color.mainBlack)
.navigationBarTitle("")
.navigationBarHidden(true)
}
}
}
我希望文本字段和滚动视图中的消息一样向上移动，但带有用户图像的顶部 HStack 和 back/dismiss 按钮应该保留在原位。
您 确实 里面有很多代码 - 清理它的两个原因：
- 要获得好的答案，您需要 post 一个 minimal, reproducible example，这也可能有助于您在 post 编译之前调试代码
- 多行代码是多余的或无用的，例如：
- 为什么使用
HStack{Spacer()}之类的东西而不是Spacer()，顺便说一句，在这种情况下不需要它？ - 为什么有一个内部只有另一个堆栈的堆栈？
关于您的问题，问题在于冗余修饰符之一阻止文本文件向上移动，这是要删除的行：
.frame(width: UIScreen.main.bounds.width, height: UIScreen.main.bounds.height)
为什么要设置与屏幕一样高和一样大的框架？这迫使文本字段留在底部。
我尝试做一些清理工作，我敢打赌还能做更多工作 - 请参阅下面的代码，现在键盘不再覆盖文本字段：
struct MessagingPage: View {
// Removed some lines of code to reproduce your issue
@State var screenWidth = UIScreen.main.bounds.width
@State var imageSize = UIScreen.main.bounds.width / 12
@State var text = ""
@State var show = false
@Environment(\.presentationMode) var presentationMode
var body: some View {
NavigationView{
// What is the purpose of this ZStack???
// ZStack{
VStack{
HStack{
Spacer()
NavigationLink(destination: Text("Hello")) {
Text("Top bar")
}
Spacer()
HStack{
Button{
presentationMode.wrappedValue.dismiss()
} label: {
Image(systemName: "chevron.down")
.font(.title)
.foregroundColor(.white)
}
}
.padding(.trailing)
}
.padding(.top, 30)
.frame(height: 75)
.background(Color.black)
ScrollView{
// All the views inside the Scrollview need to be inside a VStack
VStack {
// Why this spacer???
// Spacer()
ForEach(0..<2){ num in
HStack{
Spacer()
HStack{
Text("Hello username")
.foregroundColor(.orange)
}
.padding()
.background(Color.black)
.cornerRadius(15)
.shadow(color: .orange, radius: 2)
}
.padding(.horizontal)
.padding(.top, 8)
}
HStack{Spacer()}
HStack{
HStack{
Text("User is unable to receive your message at this time. Please try again at a later time.")
.foregroundColor(.green)
}
.padding()
.background(Color.black)
.cornerRadius(15)
.shadow(color: .green, radius: 2)
Spacer()
}
.padding(.horizontal)
.padding(.top, 8)
// Why a Spacer inside an HStack???
// HStack{Spacer()}
}
.background(Color.black)
}
// What is the purpose of this ZStack???
// ZStack{
// Why an HStack that has only an HStack inside??
// HStack{
// Why an HStack that has only an HStack inside??
// HStack{
HStack{
TextField("Say Something...", text: self.$text)
.frame(width: screenWidth - 200, height: screenWidth/25)
.foregroundColor(.cyan)
.accentColor(.cyan)
.background(Color.white)
.textContentType(.emailAddress)
if !text.isEmpty{
Button{
print(text)
self.text = ""
}label: {
Image(systemName: "paperplane")
.foregroundColor(.cyan)
.font(.system(size: 20))
}
}
else{
Button{
print("Show more options")
}label: {
Image(systemName: "plus")
.foregroundColor(.cyan)
.font(.system(size: 20))
}
}
}
// Are you sure you want set the height of this stack based on the width?
// .frame(width: screenWidth - 150, height: screenWidth/25)
.frame(width: screenWidth - 150)
.padding()
.background(Color.black)
.cornerRadius(30)
.shadow(color: .black, radius: 5)
.padding(.bottom,5)
// }
// }
.padding(.bottom, 50)
.frame(width: screenWidth)
// }
}
// }
// Why setting a frame that is high and large as much as the screen??
// .frame(width: UIScreen.main.bounds.width, height: UIScreen.main.bounds.height)
.background(Color.black)
.navigationBarTitle("")
.navigationBarHidden(true)
}
}
}