From 65c93d4c91e709459e30ae52dc65efdf68058762 Mon Sep 17 00:00:00 2001
From: wl <356485255@qq.com>
Date: Wed, 27 Jul 2022 13:35:37 +0800
Subject: [PATCH] Fix navigation bar transparent issue

---
 ChartsDemo-iOS/Objective-C/AppDelegate.m | 6 ++++++
 ChartsDemo-iOS/Swift/AppDelegate.swift   | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/ChartsDemo-iOS/Objective-C/AppDelegate.m b/ChartsDemo-iOS/Objective-C/AppDelegate.m
index 35ffcc3c07..7bdef436ff 100644
--- a/ChartsDemo-iOS/Objective-C/AppDelegate.m
+++ b/ChartsDemo-iOS/Objective-C/AppDelegate.m
@@ -24,6 +24,12 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(
     
     DemoListViewController *vc = [[DemoListViewController alloc] init];
     UINavigationController *nvc = [[UINavigationController alloc] initWithRootViewController:vc];
+    if (@available(iOS 13.0, *)) {
+        UINavigationBarAppearance *appearance = [[UINavigationBarAppearance alloc] init];
+        [appearance configureWithOpaqueBackground];
+        nvc.navigationBar.standardAppearance = appearance;
+        nvc.navigationBar.scrollEdgeAppearance = appearance;
+    }
     
     _window.rootViewController = nvc;
     [_window makeKeyAndVisible];
diff --git a/ChartsDemo-iOS/Swift/AppDelegate.swift b/ChartsDemo-iOS/Swift/AppDelegate.swift
index ff723e6872..234734226b 100644
--- a/ChartsDemo-iOS/Swift/AppDelegate.swift
+++ b/ChartsDemo-iOS/Swift/AppDelegate.swift
@@ -22,6 +22,12 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
         
         let vc = DemoListViewController()
         let nav = UINavigationController(rootViewController: vc)
+        if #available(iOS 13.0, *) {
+            let appearance = UINavigationBarAppearance()
+            appearance.configureWithOpaqueBackground()
+            nav.navigationBar.standardAppearance = appearance
+            nav.navigationBar.scrollEdgeAppearance = appearance
+        }
         
         window?.rootViewController = nav
         window?.makeKeyAndVisible()