show connectivity screen

DcCore/DcCore/DC/Wrapper.swift

@@ -323,6 +323,13 @@ public class DcContext {
         return dc_get_connectivity(contextPointer)
     }
 
+    public func getConnectivityHtml() -> String {
+        guard let cString = dc_get_connectivity_html(contextPointer) else { return ""}
+        let swiftString = String(cString: cString)
+        dc_str_unref(cString)
+        return swiftString
+    }
+
     public func setStockTranslation(id: Int32, localizationKey: String) {
         dc_set_stock_translation(contextPointer, UInt32(id), String.localized(localizationKey))
     }

deltachat-ios.xcodeproj/project.pbxproj

@@ -28,6 +28,7 @@
 		302D5450268B6B2300A8B271 /* MessageUtils.swift in Sources */ = {isa = PBXBuildFile; fileRef = 302D544F268B6B2300A8B271 /* MessageUtils.swift */; };
 		302D5454268B84CB00A8B271 /* SettingsVideoChatViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 302D5453268B84CB00A8B271 /* SettingsVideoChatViewController.swift */; };
 		302E1BB4252B5AB4008F4264 /* PlayButtonView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 302E1BB3252B5AB4008F4264 /* PlayButtonView.swift */; };
+		302E592426A5CF4800DD4F58 /* ConnectivityViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 302E592326A5CF4800DD4F58 /* ConnectivityViewController.swift */; };
 		30349291256441E200A523D0 /* QuotePreview.swift in Sources */ = {isa = PBXBuildFile; fileRef = 30349290256441E200A523D0 /* QuotePreview.swift */; };
 		303492952565AABC00A523D0 /* DraftModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 303492942565AABC00A523D0 /* DraftModel.swift */; };
 		3034929F25752FC800A523D0 /* MediaPreview.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3034929E25752FC800A523D0 /* MediaPreview.swift */; };
@@ -243,6 +244,7 @@
 		302D544F268B6B2300A8B271 /* MessageUtils.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MessageUtils.swift; sourceTree = "<group>"; };
 		302D5453268B84CB00A8B271 /* SettingsVideoChatViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SettingsVideoChatViewController.swift; sourceTree = "<group>"; };
 		302E1BB3252B5AB4008F4264 /* PlayButtonView.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = PlayButtonView.swift; path = "deltachat-ios/Chat/Views/PlayButtonView.swift"; sourceTree = SOURCE_ROOT; };
+		302E592326A5CF4800DD4F58 /* ConnectivityViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ConnectivityViewController.swift; sourceTree = "<group>"; };
 		30349290256441E200A523D0 /* QuotePreview.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = QuotePreview.swift; sourceTree = "<group>"; };
 		303492942565AABC00A523D0 /* DraftModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DraftModel.swift; sourceTree = "<group>"; };
 		3034929E25752FC800A523D0 /* MediaPreview.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MediaPreview.swift; sourceTree = "<group>"; };
@@ -784,6 +786,7 @@
 				AEE6EC472283045D00EDC689 /* EditSettingsController.swift */,
 				AE851ACF227DF50900ED86F0 /* GroupChatDetailViewController.swift */,
 				AEE6EC3E2282C59C00EDC689 /* GroupMembersViewController.swift */,
+				302E592326A5CF4800DD4F58 /* ConnectivityViewController.swift */,
 				AE19887423EB264000B4CD5F /* HelpViewController.swift */,
 				304F769425DD237B0094B5E2 /* WebViewViewController.swift */,
 				304F769825DD23D70094B5E2 /* FullMessageViewController.swift */,
@@ -1302,6 +1305,7 @@
 				303492952565AABC00A523D0 /* DraftModel.swift in Sources */,
 				78E45E3A21D3CFBC00D4B15E /* SettingsController.swift in Sources */,
 				AE8519EA2272FDCA00ED86F0 /* DeviceContactsHandler.swift in Sources */,
+				302E592426A5CF4800DD4F58 /* ConnectivityViewController.swift in Sources */,
 				78ED838321D5379000243125 /* TextFieldCell.swift in Sources */,
 				305702A124C6453700D84EFC /* TypeAlias.swift in Sources */,
 				AE19887523EB264000B4CD5F /* HelpViewController.swift in Sources */,

deltachat-ios/Controller/ChatListController.swift

@@ -174,6 +174,8 @@ class ChatListController: UITableViewController {
     @objc
     public func onNavigationTitleTapped() {
         logger.debug("on navigation title tapped")
+        let connectivityViewController = ConnectivityViewController(dcContext: dcContext)
+        navigationController?.pushViewController(connectivityViewController, animated: true)
     }
 
     func getConnectivityString(conenctedString: String) -> String {
@@ -189,8 +191,6 @@ class ChatListController: UITableViewController {
         }
     }
 
-    
-
     // MARK: - configuration
     private func configureTableView() {
         tableView.register(ContactCell.self, forCellReuseIdentifier: chatCellReuseIdentifier)

deltachat-ios/Controller/ConnectivityViewController.swift

@@ -0,0 +1,31 @@
+import UIKit
+import DcCore
+
+class ConnectivityViewController: WebViewViewController {
+    let dcContext: DcContext
+
+    init(dcContext: DcContext) {
+        self.dcContext = dcContext
+        super.init()
+    }
+
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        self.title = String.localized("connectivity")
+        loadHtml()
+    }
+
+    private func loadHtml() {
+        DispatchQueue.global(qos: .userInitiated).async { [weak self] in
+            guard let self = self else { return }
+            let html = self.dcContext.getConnectivityHtml()
+            DispatchQueue.main.async {
+                self.webView.loadHTMLString(html, baseURL: nil)
+            }
+        }
+    }
+}