修复转场动画tabbar跳动bug

DreamSleep/DreamSleep/Launcher/LeadingController.m

@@ -39,14 +39,32 @@
     kSetUserDefaultsBOOL(YES, IsFirstGuide);
     kUserDefaultsSynchronize;
     
-    // 切换到主tabvc
-    UIStoryboard * mainStoryBoard =[UIStoryboard storyboardWithName:@"Main" bundle:nil];
-    [UIView transitionWithView:DSKeyWindow
-                      duration:0.5
-                       options:UIViewAnimationOptionTransitionFlipFromLeft
-                    animations:^{
-        DSKeyWindow.rootViewController = [mainStoryBoard instantiateViewControllerWithIdentifier:@"mainSB"];
-    } completion:nil];
+    // 切换到主tabVC
+    UIStoryboard * mainStoryBoard = [UIStoryboard storyboardWithName:@"Main" bundle:nil];
+    UIView *snapShot = [DSKeyWindow snapshotViewAfterScreenUpdates:YES];
+    UIViewController *rootVC = [mainStoryBoard instantiateViewControllerWithIdentifier:@"mainSB"];
+    [rootVC.view addSubview:snapShot];
+    DSKeyWindow.rootViewController = rootVC;
+    [UIView animateWithDuration:0.5 animations:^{
+        snapShot.layer.opacity = 0;
+        snapShot.layer.transform = CATransform3DMakeScale(1.5, 1.5, 1.5);
+    } completion:^(BOOL finished) {
+        [snapShot removeFromSuperview];
+    }];
+    
+    //    UIStoryboard * mainStoryBoard = [UIStoryboard storyboardWithName:@"Main" bundle:nil];
+    //    [UIView transitionWithView:DSKeyWindow
+    //                      duration:0.3
+    //                       options:UIViewAnimationOptionCurveLinear
+    //                    animations:^{
+    //        DSKeyWindow.rootViewController = [mainStoryBoard instantiateViewControllerWithIdentifier:@"mainSB"];
+    //    } completion:nil];
+    
+    //    [UIView transitionWithView:DSKeyWindow
+    //                      duration:0.3
+    //                       options:UIViewAnimationOptionTransitionNone
+    //                    animations:^{ DSKeyWindow.rootViewController = [mainStoryBoard instantiateViewControllerWithIdentifier:@"mainSB"]; }
+    //                    completion:nil];
 }
 
 @end