[Bugfix]解决从Open界面进入到Main界面时会在中间显示白屏的问题

Author: joeshang

DianXiaoEr-Menu-iOS/DXEAppDelegate.m

@@ -8,10 +8,10 @@
 
 #import "DXEAppDelegate.h"
 #import "RNThemeManager.h"
-#import "DXEOpenViewController.h"
 #import "DXEDataManager.h"
 #import "DXEImageManager.h"
 #import "SVProgressHUD.h"
+#import "DXEOpenViewController.h"
 
 @implementation DXEAppDelegate
 
@@ -26,10 +26,14 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(
 
     [[DXEDataManager sharedInstance] loadDataFromWeb];
 
+    UIViewController *container = [[UIViewController alloc] init];
     DXEOpenViewController *open = [[DXEOpenViewController alloc] init];
-    self.window.rootViewController = open;
+    [container addChildViewController:open];
+    [container.view addSubview:open.view];
+    [open didMoveToParentViewController:container];
+    
+    self.window.rootViewController = container;
 
-    self.window.backgroundColor = [UIColor whiteColor];
     [self.window makeKeyAndVisible];
 
     return YES;

DianXiaoEr-Menu-iOS/ViewControllers/DXEOpenViewController.m

@@ -84,8 +84,9 @@ - (void)enterMainPage
                          self.view.alpha = 0.0;
                      }
                      completion:^(BOOL finished){
-                         DXEMainViewController *main = [[DXEMainViewController alloc] init];
-                         [UIApplication sharedApplication].keyWindow.rootViewController = main;
+                         [self willMoveToParentViewController:nil];
+                         [self.view removeFromSuperview];
+                         [self removeFromParentViewController];
                      }];
 }
 
@@ -210,6 +211,12 @@ - (void)onFinishLoadingNotication:(NSNotification *)notification
     self.tableNumber.hidden = NO;
     self.tableButton.hidden = NO;
     self.enterButton.hidden = NO;
+    
+    DXEMainViewController *main = [[DXEMainViewController alloc] init];
+    UIViewController *root = [UIApplication sharedApplication].keyWindow.rootViewController;
+    [root addChildViewController:main];
+    [root.view insertSubview:main.view belowSubview:self.view];
+    [main didMoveToParentViewController:root];
 }
 
 #pragma mark - NSXMLParserDelegate