Fix for iOS window position flicker.

modules/juce_gui_basics/native/juce_ios_UIViewComponentPeer.mm

@@ -106,6 +106,12 @@ using namespace juce;
 - (BOOL) shouldAutorotateToInterfaceOrientation: (UIInterfaceOrientation) interfaceOrientation;
 - (void) willRotateToInterfaceOrientation: (UIInterfaceOrientation) toInterfaceOrientation duration: (NSTimeInterval) duration;
 - (void) didRotateFromInterfaceOrientation: (UIInterfaceOrientation) fromInterfaceOrientation;
+
+- (void) viewDidLoad;
+- (void) viewWillAppear: (BOOL) animated;
+- (void) viewDidAppear: (BOOL) animated;
+- (void) viewWillLayoutSubviews;
+- (void) viewDidLayoutSubviews;
 @end
 
 //==============================================================================
@@ -113,7 +119,6 @@ using namespace juce;
 {
 @private
     UIViewComponentPeer* owner;
-    bool isZooming;
 }
 
 - (void) setOwner: (UIViewComponentPeer*) owner;
@@ -323,6 +328,16 @@ private:
     [self viewDidLoad];
 }
 
+- (void) viewWillLayoutSubviews
+{
+    [self viewDidLoad];
+}
+
+- (void) viewDidLayoutSubviews
+{
+    [self viewDidLoad];
+}
+
 @end
 
 @implementation JuceUIView
@@ -428,7 +443,6 @@ private:
 - (void) setOwner: (UIViewComponentPeer*) peer
 {
     owner = peer;
-    isZooming = false;
 }
 
 - (void) becomeKeyWindow
@@ -492,28 +506,27 @@ UIViewComponentPeer::UIViewComponentPeer (Component& comp, const int windowStyle
     }
     else
     {
-        controller = [[JuceUIViewController alloc] init];
-        controller.view = view;
-
         r = convertToCGRect (rotatedScreenPosToReal (component.getBounds()));
         r.origin.y = [UIScreen mainScreen].bounds.size.height - (r.origin.y + r.size.height);
 
-        window = [[JuceUIWindow alloc] init];
+        window = [[JuceUIWindow alloc] initWithFrame: r];
+        [((JuceUIWindow*) window) setOwner: this];
+
+        controller = [[JuceUIViewController alloc] init];
+        controller.view = view;
+        window.rootViewController = controller;
+
         window.hidden = true;
         window.autoresizesSubviews = NO;
-        window.transform = CGAffineTransformIdentity;
-        window.frame = r;
+        window.transform = Orientations::getCGTransformFor (Desktop::getInstance().getCurrentOrientation());
         window.opaque = component.isOpaque();
         window.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent: 0];
 
-        [((JuceUIWindow*) window) setOwner: this];
-
         if (component.isAlwaysOnTop())
             window.windowLevel = UIWindowLevelAlert;
 
         view.frame = CGRectMake (0, 0, r.size.width, r.size.height);
 
-        window.rootViewController = controller;
         [window addSubview: view];
     }
 
@@ -629,7 +642,7 @@ void UIViewComponentPeer::updateTransformAndScreenBounds()
     const Rectangle<int> oldArea (component.getBounds());
     const Rectangle<int> oldDesktop (desktop.getDisplays().getMainDisplay().userArea);
 
-    const_cast <Desktop::Displays&> (desktop.getDisplays()).refresh();
+    const_cast<Desktop::Displays&> (desktop.getDisplays()).refresh();
 
     window.transform = Orientations::getCGTransformFor (desktop.getCurrentOrientation());
     view.transform = CGAffineTransformIdentity;