I know that cmnd-click can select elements in the Canvas preview window. But often, when there are many elements inside NavigationView, cmnd-click will select all of this.
NavigationView {
List {
DateView()
Picker(selection: $transactionType, label: Text("Picker")) {
Text("All").tag(0)
Text("Income").tag(1)
Text("Expenses").tag(2)
}.pickerStyle(SegmentedPickerStyle())
.padding()
ForEach(0 ..< 12) {item in
NavigationLink(destination: TransactionsDetailsView()) {
HStack(alignment: .top) {
Text("29/08/2019")
Spacer()
VStack(alignment: .trailing) {
Text("+ 1 500 THB")
.fontWeight(.heavy)
Text("morning")
}
}
}
}
.navigationBarTitle("Transactions")
}
}
I come from web dev background, so I assumed that I could select each of the elements in Canvas. The same in web inspetor in Safari. Am I wrong? Or is there a way of selecting more details on Canvas?
Related
I'm trying to implement a view that displays error message for my whole app.
I want this view to always be above every other view, but I also use sheets in my app and in that case the error message is hidden behind the sheet, since the sheet is displayed above every other view.
Here is a View to reproduce my situation:
struct AppView: View {
#State var isPresentingSheet = false
var body: some View {
ZStack {
VStack {
Button("Toggle sheet") {
isPresentingSheet.toggle()
}
}
.sheet(isPresented: $isPresentingSheet) {
Text("Im above everything else")
}
VStack {
HStack {
Image(systemName: "xclose")
Text("I want to be even above the sheet")
}
.foregroundColor(Color.red)
.frame(minWidth: 0, maxWidth: .infinity)
.padding(Padding.l)
.background(Color.red.opacity(0.2))
.overlay(
Rectangle()
.frame(height: 1)
.foregroundColor(Color.red),
alignment: .bottom
)
Spacer()
}
}
}
}
I want to know if it's possible to display a view above a sheet, but to me it looks like the sheet is in a completely different window?
But maybe it's possible to create a custom sheet that moves in from the top and is displayed above other native sheets?
If anybody is interested, I have created a custom bottom sheet with simple controls and snap functionality.
The bottom sheet has a zIndex of 1 so you can easily place views above it with a greater zIndex.
You can find it here: AlternativeSheet.
Here is the code to achieve the view of the image above.
import AlternativeSheet
...
ZStack {
VStack {
Button("Toggle sheet") {
isPresentingSheet.toggle()
}
}
.alternativeSheet(isPresented: $isPresentingSheet, snaps: [0.95]) {
Text("Im above everything else")
}
.isDraggable()
.dampenDrag()
VStack {
HStack {
Image(systemName: "xclose")
Text("I want to be even above the sheet")
}
.foregroundColor(Color.red)
.frame(minWidth: 0, maxWidth: .infinity)
.padding(Padding.l)
.background(Color.red.opacity(0.3))
.overlay(
Rectangle()
.frame(height: 1)
.foregroundColor(Color.red),
alignment: .bottom
)
Spacer()
}
}
How can I implement play buttons that navigate to different views in the corner of each music category item? Here is an image of what I am looking for:
Here is my code:
struct ScrollCategories: View {
var body: some View {
ZStack {
ScrollView {
LazyVGrid (columns: [GridItem(.fixed(200)), GridItem(.fixed(200))]) {
ForEach(musics) { sub in
ZStack {
VStack(alignment: .leading) {
//Hidden Code
} // END OF VSTACK
NavigationLink {
// Naviagte to a different view!
Onboarding()
} label: {
Image(systemName: "play.circle")
.font(.system(size: 30))
.padding(.leading, -72.0)
.padding(.bottom, 130.0)
}
} // END OF ZSTACK
}// END OF FOR EACH
} // END OF GRID ITEM
} // END OF SCROLL VIEW
} //END OF ZSTACK
}
}
As you can see, I have a navigation link, yet it does not show in the preview or simulator.
Here is an image of what the preview looks like:
Your navigation link is there. You just use padding too high that it was out of the frame. You can use ZStack with alignment to put on the left-top corner and add padding to make it nice.
ZStack(alignment: .topLeading) { <- positioning for each View
VStack(alignment: .leading) {
//Hidden Code
} // END OF VSTACK// END OF VSTACk
NavigationLink {
// Navigate to a different view!
Onboarding()
} label: {
Image(systemName: "play.circle")
.font(.system(size: 30))
.padding( {{ put your desire padding }})
}
} // END OF ZSTACK
Is it possible to add background color to the top of a picker view? I'm specifically interested in the area from the top of the view down to just below the navigation bar. I have made all my app tab and navigation views with the same header appearance but haven't had any luck with the pickers.
I would like to set the picker backgrounds to look like this:
Here is a picker view that I would like to add background color.
Here is what happens when adding call to DrawNavBox() just after the Picker (See code below). I need help pushing the green block to the top of the view.
The code below is what generates the Home Currency green header above
var body: some View {
GeometryReader { g in
VStack {
DrawNavBox(g: g) // draw green header
Text("Your home currency is:")
.padding(.top, g.size.height * 0.10)
Text("\(base.baseCur.baseCurrency) \(base.baseCur.baseCountry)")
.font(.body)
.fontWeight(.bold)
.foregroundColor(.white)
.padding(15)
.background(Color("Dark Green"))
.cornerRadius(20)
.padding(.trailing, g.size.width * 0.19)
.padding(.leading, g.size.width * 0.22)
Form {
Section(header: Text("Select Home Currency")) {
Picker("Home Currency", selection: $gotBase) {
DrawNavBox(g: g)
ForEach(0 ..< currCountry.count, id: \.self) { item in
VStack(alignment: .leading) {
Text(currCountry[item])
.font(.subheadline)
.padding(.leading, 25)
HStack {
Text(currSymbol[item])
Text(currName[item])
}
.font(.caption)
.padding(.leading, 25)
}
}
}
}
}
}
.navigationBarTitle(Text("Home Currency"), displayMode: .inline)
.navigationBarItems(trailing:
Button(action: {
// search for new base currency
self.changeBaseCurrency()
}) {
Text ("Save").bold()
}
)}
}
}
This is the code I have been using to set the navigation bar area green
struct DrawNavBox: View {
var g: GeometryProxy
var body: some View {
ZStack (alignment: .top) {
Color(.systemGreen)
.frame(height: (g.safeAreaInsets.top), alignment: .top)
.ignoresSafeArea()
}
}
}
I know this has been solved in iOS 14 but my current project is in iOS 13 and we have to release it fast. I tried multiple approach from stack but no luck. I just want to click a button and scroll to the bottom of the ScrollView, thats it. I was surprised there is not built in function in SwiftUI for this !!!
struct ContentView: View {
var items = [Color.red, Color.orange, Color.yellow, Color.green,Color.blue, Color.purple, Color.red, Color.orange, Color.yellow, Color.green,Color.blue, Color.purple]
var body: some View {
ZStack {
ScrollView(Axis.Set.vertical, showsIndicators: false) {
VStack {
ForEach(self.items, id: \.self) { item in
// 3.
Circle()
.fill(item)
.frame(width: 100, height: 100)
}
}
}
VStack {
Spacer()
HStack {
Spacer()
Button(action: {
// scroll to bottom
}) {
Text("Button")
}
}
.padding(.trailing, 20)
.padding(.bottom, 20)
}
}
}
}
If anybody could help
After a few hours search i found this amazing library that does exactly as you want
ScrollView{ proxy in
Button("click"){
proxy.scrollTo(200)
}.foregroundColor(.red)
ForEach(0..<1000){ index in
Text("\(index)")
.scrollId(index)
}
}
What is an effective & effecient way to get the Dismiss button (X) into the top right corner?
I'm struggling with container alignment... can't say I GROK it.
Needless to say ... this ain't it!
var body: some View {
ZStack {
Image("Biz-card_2020")
.resizable()
.edgesIgnoringSafeArea(.all)
HStack(alignment: .top) {
VStack() {
Spacer(minLength: 5) // vertical space
HStack() {
Spacer()
// close Welcome page (X) button
Button(action: {
//print(" - Button to dismiss page \(self.isPresented)")
self.isPresented = false // dismiss the Welcome view
//print(" - after action Button to dismiss Welcome page \(self.isPresented)")
}, label: {
Image(systemName: "xmark.circle" )
.scaledFont(name: "Georgia", size: Const.titleText)
.minimumScaleFactor(0.3)
.accentColor(.white)
.padding(10)
})
}
Spacer()
}
}
}
}
You need to remove Spacer(minLength: 5) and replace it with padding for HStack.
Spacer(minLength: 5) doesn't mean its length will be exactly 5 (only that the minimum length will be 5).
You may also want to extract close button to another function for clarity.
Try the following:
struct ContentView: View {
...
var body: some View {
ZStack {
Image("Biz-card_2020")
.resizable()
.edgesIgnoringSafeArea(.all)
closeButton
}
}
var closeButton: some View {
VStack {
HStack {
Spacer()
Button(action: {
...
}) {
Image(systemName: "xmark.circle")
.padding(10)
}
}
.padding(.top, 5)
Spacer()
}
}
}
ZStack can be configured using .topTrailing etc. You should use those alignments to configure your view. Using something like Spacer() is going to cause the rest of your views to get pushed down.
ZStack(alignment: .topTrailing) {
// your code here
}
If you need to move your code a bit more, use either padding, or offset modifiers.