chore: add mobile app

frontend-admin/node_modules/expo-image-picker/ios/StatusBarVisibilityController.swift

@@ -0,0 +1,52 @@
+// Copyright 2022-present 650 Industries. All rights reserved.
+
+/**
+ Since iOS 11, launching ImagePicker with `allowsEditing` option makes cropping rectangle
+ slightly moved upwards, because of StatusBar visibility.
+ Hiding StatusBar during picking process solves the displacement issue.
+ See https://forums.developer.apple.com/thread/98274
+ */
+internal class StatusBarVisibilityController {
+  private var shouldRestoreStatusBarVisibility = false
+
+  func maybePreserveVisibilityAndHideStatusBar(_ shouldHideStatusBar: Bool) {
+    guard shouldHideStatusBar && !UIApplication.shared.isStatusBarHidden else {
+      return
+    }
+
+    shouldRestoreStatusBarVisibility = true
+    setStatusBarHidden(true)
+  }
+
+  func maybeRestoreStatusBarVisibility() {
+    guard shouldRestoreStatusBarVisibility else {
+      return
+    }
+
+    shouldRestoreStatusBarVisibility = false
+    setStatusBarHidden(false)
+  }
+
+  /**
+   Calling -[UIApplication setStatusBarHidden:withAnimation:] triggers a warning
+   that should be suppressable with -Wdeprecated-declarations, but is not.
+   The warning suggests to use -[UIViewController prefersStatusBarHidden].
+   Unfortunately until we stop presenting view controllers on detached VCs
+   the setting doesn't have any effect and we need to set status bar like that.
+  */
+  private func setStatusBarHidden(_ hidden: Bool) {
+    let selector = NSSelectorFromString("setStatusBarHidden:withAnimation:")
+    UIApplication.shared.perform(selector, with: hidden, with: false)
+
+//    TODO: (@bbarthec) below is possible alternative
+//    let obj = X()
+//    let sel = #selector(obj.sayHiTo)
+//    let meth = class_getInstanceMethod(object_getClass(obj), sel)
+//    let imp = method_getImplementation(meth)
+//
+//    typealias ClosureType = @convention(c) (AnyObject, Selector, String) -> Void
+//    let sayHiTo : ClosureType = unsafeBitCast(imp, ClosureType.self)
+//    sayHiTo(obj, sel, "Fabio")
+//    prints "Hello Fabio!"
+  }
+}