simrandotdev

function Shape(){

    let shape = [];
    //shape.totalVolume = totalVolume;
  
    /* Added the function add the shape in the 'shape' array. */
    shape.addShape = function (newShape) {
        shape.push(newShape);
    }

simrandotdev

if let fileURL = Bundle.main.url(forResource: "filename", withExtension: "txt") { 
  if let fileContents = try? String(contentsOf: fileURL) { 
    // we loaded the file into a string! 
  } 
}

simrandotdev

Android Manifest

android:screenOrientation="portrait"

This property is used in AndroidManifest file inside the activity tag to fix the orientation of the activity at all times.

android:theme="@style/AppTheme.NoActionBar"

This property will set a custom theme to the app or the Activity it is applied to.

android:windowSoftInputMode="adjustResize"

This will adjust the window size when the keyboard appears.

simrandotdev

func basicsOfViews() {
        let v = UIView(frame: CGRect(x: 100, y: 100, width: 150, height: 150))
        v.backgroundColor = .red
        self.view.addSubview(v)
        v.layer.masksToBounds = true
        
        let v2 = UIView(frame: CGRect(x: 130, y: 140, width: 150, height: 150))
        v2.backgroundColor = .yellow
        self.view.addSubview(v2)
        

simrandotdev

func settingViewsFrames() {
        let v1 = UIView(frame: CGRect(x: 113, y: 111, width: 132, height: 194))
        v1.backgroundColor = UIColor(red: 1, green: 0.4, blue: 1, alpha: 1)
        v1.clipsToBounds = true
        
        let v2 = UIView(frame: CGRect(x: 10, y: 10, width: 112, height: 174))
        v2.backgroundColor = UIColor(red: 0.5, green: 1, blue: 0, alpha: 1)
        
        let v3 = UIView(frame: CGRect(x: 43, y: 197, width: 160, height: 230))
        v3.backgroundColor = UIColor(red: 1, green: 0, blue: 0, alpha: 1)

simrandotdev

func boundsAndCenter() {
        // Do any additional setup after loading the view.
        let v1 = UIView(frame: CGRect(x: 110, y: 110, width: 130, height: 200))
        v1.backgroundColor = .green
        
        let v2 = UIView(frame: v1.bounds.insetBy(dx: 10, dy: 10))
        v2.backgroundColor = .red
        
        view.addSubview(v1)
        v1.addSubview(v2)

simrandotdev

func boundsAndCenter() {
        // Do any additional setup after loading the view.
        let v1 = UIView(frame: CGRect(x: 110, y: 110, width: 130, height: 200))
        v1.backgroundColor = .green
        
        let v2 = UIView(frame: v1.bounds.insetBy(dx: 10, dy: 10))
        v2.backgroundColor = .red
        
        view.addSubview(v1)
        v1.addSubview(v2)

simrandotdev

func transformations() {
        let v1 = UIView(frame: CGRect(x: 113, y: 111, width: 132, height: 194))
        v1.backgroundColor = .red
        let v2 = UIView(frame: v1.bounds.insetBy(dx: 10, dy: 10))
        v2.backgroundColor = .yellow
        
        view.addSubview(v1)
        v1.addSubview(v2)
        v1.transform = CGAffineTransform(scaleX: 4, y: 2)
        v2.transform = CGAffineTransform(scaleX: 4, y: 5)

simrandotdev

lass UIViewBasicsController: UIViewController {
    
    override func viewDidLoad() {
        super.viewDidLoad()
       
        self.view.backgroundColor = UIColor(named: "myColor")
        
        // Get the color value of system Colors through TraitCollection
        let yellow = UIColor.systemYellow
        let light = UITraitCollection(userInterfaceStyle: .light)

simrandotdev

import UIKit

let url = URL(string: "https://reqres.in/api/users/2")!

URLSession.shared.dataTask(with: url) { (data, response, error) in
    if error != nil {
        print("Request failed with error: \(error?.localizedDescription)")
        return
    }