SwiftUI Cookbook by Edgar Nzokwe Giordano Scalzo

Author:Edgar Nzokwe Giordano Scalzo [Giordano Scalzo, Edgar Nzokwe]
Language: eng
Format: mobi
Publisher: Packt publishing pvt. ltd
Published: 2020-10-18T16:00:00+00:00

var body: some View {

GeometryReader { geometry in

Text(self.text)

.foregroundColor(.white)

.font(.title)

.fontWeight(.heavy)

.frame(width: geometry.size.width,

height: geometry.size.height)

.background(Color.red)

.shadow(radius: 10)

.cornerRadius(15)

}

.frame(width: 200, height: 100)

}

}

Use the button in ContentView:struct ContentView: View {

var body: some View {

AnimatableButton(text: "Press Me") {

print("Pressed")

}

}

}

Running the app now, we can see that the button looks nice, but nothing happens if we tap on it.Let's add a @State variable to keep track of the pressing state, and to change the scale of the button:struct AnimatableButton: View {

@State

private var isPressed: Bool = false

//...

var body: some View {

GeometryReader { geometry in

//...

}

.frame(width: 200, height: 100)

.scaleEffect(self.isPressed ? 1.2 : 1)

.animation(.easeInOut(duration: 0.5))

}

}

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