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Recreating the Messages App Part II (Conversation View) using SwiftUI and Swift Playgrounds on iPad
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import SwiftUI | |
import PlaygroundSupport | |
struct Screen: View { | |
var body: some View { | |
VStack { | |
ChatTopView() | |
ConversationView() | |
ChatBottomBar().padding(.bottom, 10) | |
} | |
} | |
} | |
struct messageTail: Shape { | |
var myMessage: Bool | |
func path(in rect: CGRect) -> Path { | |
let path = UIBezierPath(roundedRect: rect, byRoundingCorners: [.topLeft, .topRight, myMessage ? .bottomLeft : .bottomRight], cornerRadii: CGSize(width: 25, height: 25)) | |
return Path(path.cgPath) | |
} | |
} | |
struct ChatCell: View { | |
var data: Message | |
var body: some View { | |
HStack { | |
if data.myMessage { | |
Spacer() | |
Text(data.message).padding().background(Color(UIColor.systemBlue)).clipShape(messageTail(myMessage: data.myMessage)).foregroundColor(.white) | |
} else { | |
Text(data.message).padding().foregroundColor(.primary).background(Color.secondary.opacity(0.2)).clipShape(messageTail(myMessage: data.myMessage)) | |
Spacer() | |
} | |
}.padding(data.myMessage ? .leading: .trailing, 55).padding(.vertical, 10) | |
} | |
} | |
struct ConversationView: View { | |
var body: some View { | |
ScrollView (.vertical, showsIndicators: false) { | |
VStack { | |
ForEach(AllMessages) { chat in | |
ChatCell(data: chat) | |
} | |
} | |
}.padding(.horizontal, 15) | |
} | |
} | |
struct Message: Identifiable { | |
var id: Int | |
var message: String | |
var myMessage: Bool | |
} | |
struct ChatBottomBar: View { | |
var body: some View { | |
HStack (spacing: 20) { | |
Image(systemName: "camera.fill").font(.headline).foregroundColor(.secondary) | |
HStack { | |
Text("iMessage").font(.subheadline).padding(.leading) | |
Spacer() | |
Image(systemName: "arrow.up.circle.fill").font(.headline).foregroundColor(.blue) | |
}.padding(EdgeInsets(top: 8, leading: 8, bottom: 8, trailing: 8)).foregroundColor(.secondary).background(Color.gray.opacity(0.1)).clipShape(Capsule()).shadow(radius: 1) | |
}.padding(.horizontal, 20) | |
} | |
} | |
struct ChatTopView: View { | |
var body: some View { | |
VStack { | |
HStack { | |
Image(systemName: "chevron.left").foregroundColor(.blue) | |
Spacer() | |
VStack { | |
Image(systemName: "person.crop.circle.fill").resizable().frame(width: 40, height: 40).foregroundColor(.secondary) | |
Text("Nav Singh").font(.footnote) | |
} | |
Spacer() | |
Image(systemName: "info.circle").foregroundColor(.blue) | |
}.padding() | |
}.frame(height: 120).background(Color.gray.opacity(0.1)) | |
} | |
} | |
var AllMessages = [ | |
Message(id: 0, message: "Here's to the crazy ones, the misfits, the rebels, the troublemakers, the round pegs in the square holes...", myMessage: false), | |
Message(id: 1, message: "Here's to the crazy ones, the misfits, the rebels, the troublemakers, the round pegs in the square holes...", myMessage: true), | |
Message(id: 2, message: "Here's to the crazy ones, the misfits, the rebels, the troublemakers, the round pegs in the square holes...", myMessage: false), | |
Message(id: 3, message: "Here's to the crazy ones, the misfits, the rebels, the troublemakers, the round pegs in the square holes...", myMessage: false), | |
Message(id: 4, message: "Here's to the crazy ones, the misfits, the rebels, the troublemakers, the round pegs in the square holes...", myMessage: true) | |
] | |
PlaygroundPage.current.setLiveView(Screen()) |
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