swift3 – Page 2 – Tarik Billa

Check internet connection (iOS 10)

April 21, 2023 by Tarik

import Foundation import SystemConfiguration func isInternetAvailable() -> Bool { var zeroAddress = sockaddr_in() zeroAddress.sin_len = UInt8(MemoryLayout.size(ofValue: zeroAddress)) zeroAddress.sin_family = sa_family_t(AF_INET) let defaultRouteReachability = withUnsafePointer(to: &zeroAddress) { $0.withMemoryRebound(to: sockaddr.self, capacity: 1) {zeroSockAddress in SCNetworkReachabilityCreateWithAddress(nil, zeroSockAddress) } } var flags = SCNetworkReachabilityFlags() if !SCNetworkReachabilityGetFlags(defaultRouteReachability!, &flags) { return false } let isReachable = flags.contains(.reachable) let needsConnection = flags.contains(.connectionRequired) … Read more

Take a photo and save to photo library in Swift

March 31, 2023 by Tarik

Use below code for an image taken from Photo Gallery and save inside photo library. Code Support for Swift 3.1 & 4.0 version: First, we have to do the setup for Permissions inside Project’s .plist file:- 1) Camera <key>NSCameraUsageDescription</key> <string>This app will use camera.</string> 2) Photo Library <key>NSPhotoLibraryUsageDescription</key> <string>You can select photos to attach to … Read more

Swift 3 UnsafePointer($0) no longer compile in Xcode 8 beta 6

March 28, 2023 by Tarik

From the Release Notes of Xcode 8 beta 6: An Unsafe[Mutable]RawPointer type has been introduced, replacing Unsafe[Mutable]Pointer<Void>. Conversion from UnsafePointer<T> to UnsafePointer<U> has been disallowed. Unsafe[Mutable]RawPointer provides an API for untyped memory access, and an API for binding memory to a type. Binding memory allows for safe conversion between pointer types. See bindMemory(to:capacity:), assumingMemoryBound(to:), and … Read more