Merge pull request #34 from SimformSolutionsPvtLtd/feature/UNT-T9637/set_default_selected_index_for_swiftui

UNT-T9637: Added default selected index for SwiftUI

Author: mobile-simformsolutions

Example/Pods/Pods.xcodeproj/project.pbxproj

@@ -42,6 +42,9 @@ public class SSTabConfiguration {
     /// Reverse Curve
     public var reverseCurve: Bool
 
+    /// Selected index
+    public var selectedIndex: Int
+    
     /// Initializer for Tabbar configuration
     /// - Parameters:
     ///   - barHeight: Bar height
@@ -53,7 +56,21 @@ public class SSTabConfiguration {
     ///   - shadowColor: Shadow Color
     ///   - shadowRadius: Shadow Radius
     ///   - shadowOffset: Shadow Offset
-    public init(barHeight: CGFloat? = nil, upAnimationPoint: CGFloat? = nil, layerFillColor: UIColor = .white, waveHeight: CGFloat = 17, selectedTabTintColor: UIColor = UIColor.orange, unselectedTabTintColor: UIColor = .black, shadowColor: UIColor = .black, shadowRadius: CGFloat = .zero, shadowOffset: CGSize = CGSize(width: 0, height: -1), reverseCurve: Bool = false) {
+    ///   - reverseCurve: Set reverse curve
+    ///   - selectedIndex: Index of selected tabbar item
+    public init(
+        barHeight: CGFloat? = nil,
+        upAnimationPoint: CGFloat? = nil,
+        layerFillColor: UIColor = .white,
+        waveHeight: CGFloat = 17,
+        selectedTabTintColor: UIColor = UIColor.orange,
+        unselectedTabTintColor: UIColor = .black,
+        shadowColor: UIColor = .black,
+        shadowRadius: CGFloat = .zero,
+        shadowOffset: CGSize = CGSize(width: 0, height: -1),
+        reverseCurve: Bool = false,
+        selectedIndex: Int = 0
+    ) {
         self.barHeight = barHeight
         self.upAnimationPoint = upAnimationPoint
         self.layerFillColor = layerFillColor
@@ -64,6 +81,7 @@ public class SSTabConfiguration {
         self.shadowRadius = shadowRadius
         self.shadowOffset = shadowOffset
         self.reverseCurve = reverseCurve
+        self.selectedIndex = selectedIndex
     }
 
 }
@@ -169,6 +187,10 @@ public struct SwiftUITabBarController: UIViewControllerRepresentable {
         tabBar.tintColor = configuration.selectedTabTintColor
         tabBar.isHidden = isTabBarHidden
         tabBar.reverseCurve = configuration.reverseCurve
+        if let viewControllers = tabBarVC.viewControllers,
+           configuration.selectedIndex <= viewControllers.count {
+            tabBarVC.selectedIndex = configuration.selectedIndex
+        }
     }
 
     public static func refreshViews() {