diff --git a/exp/examples/basic/main.go b/exp/examples/basic/main.go
index bea07f89f..b904f4c3e 100644
--- a/exp/examples/basic/main.go
+++ b/exp/examples/basic/main.go
@@ -71,6 +71,7 @@ func main() {
 		myWindow2.NavigateToURL("https://wails.io")
 		myWindow.SetMinSize(600, 600)
 		myWindow.SetMaxSize(650, 650)
+		myWindow.Center()
 
 	}()
 
diff --git a/exp/pkg/application/app_delegate.m b/exp/pkg/application/app_delegate.m
index 921feb0d4..9f4b47daa 100644
--- a/exp/pkg/application/app_delegate.m
+++ b/exp/pkg/application/app_delegate.m
@@ -30,6 +30,34 @@
     systemEventHandler(EventApplicationWillTerminate);
 }
 
+- (void)applicationDidBecomeActive:(NSNotification *)aNotification
+{
+    systemEventHandler(EventApplicationDidBecomeActive);
+}
+
+- (void)applicationWillHide:(NSNotification *)aNotification
+{
+    systemEventHandler(EventApplicationWillHide);
+}
+
+- (void)applicationDidHide:(NSNotification *)aNotification
+{
+    systemEventHandler(EventApplicationDidHide);
+}
+
+- (void)applicationWillUnhide:(NSNotification *)aNotification
+{
+    systemEventHandler(EventApplicationWillUnhide);
+}
+
+- (void)applicationDidUnhide:(NSNotification *)aNotification
+{
+    systemEventHandler(EventApplicationDidUnhide);
+}
+
+
+
+
 
 
 @end
\ No newline at end of file
diff --git a/exp/pkg/application/window.go b/exp/pkg/application/window.go
index 33017a9ed..b0df941c9 100644
--- a/exp/pkg/application/window.go
+++ b/exp/pkg/application/window.go
@@ -26,6 +26,7 @@ type windowImpl interface {
 	restore()
 	setBackgroundColor(color *options.RGBA)
 	run()
+	center()
 }
 
 type Window struct {
@@ -209,3 +210,10 @@ func (w *Window) handleMessage(message string) {
 		w.SetTitle("Hello World")
 	}
 }
+
+func (w *Window) Center() {
+	if w.impl == nil {
+		return
+	}
+	w.impl.center()
+}
diff --git a/exp/pkg/application/window_darwin.go b/exp/pkg/application/window_darwin.go
index d06cb4667..dc70da65d 100644
--- a/exp/pkg/application/window_darwin.go
+++ b/exp/pkg/application/window_darwin.go
@@ -399,6 +399,20 @@ void windowSetAppearanceTypeByName(void* nsWindow, const char *appearanceName) {
 	});
 }
 
+// Center window on current monitor
+void windowCenter(void* nsWindow) {
+	// Center window on main thread
+	dispatch_async(dispatch_get_main_queue(), ^{
+		// get main window
+		NSWindow* window = (NSWindow*)nsWindow;
+		[window center];
+	});
+}
+
+
+
+
+
 */
 import "C"
 import (
@@ -413,6 +427,10 @@ type macosWindow struct {
 	options  *options.Window
 }
 
+func (w *macosWindow) center() {
+	C.windowCenter(w.nsWindow)
+}
+
 func (w *macosWindow) isMinimised() bool {
 	return C.windowIsMinimised(w.nsWindow) == C.bool(true)
 }
@@ -537,6 +555,8 @@ func (w *macosWindow) run() {
 			}
 
 		}
+		C.windowCenter(w.nsWindow)
+
 		if w.options.URL != "" {
 			w.navigateToURL(w.options.URL)
 		}
@@ -550,3 +570,7 @@ func (w *macosWindow) setBackgroundColor(colour *options.RGBA) {
 	}
 	C.webviewSetBackgroundColor(w.nsWindow, C.int(colour.Red), C.int(colour.Green), C.int(colour.Blue), C.int(colour.Alpha))
 }
+
+func (w *macosWindow) Center() {
+	C.windowCenter(w.nsWindow)
+}
diff --git a/exp/pkg/events/events.go b/exp/pkg/events/events.go
index d172559e5..e2b189bc8 100644
--- a/exp/pkg/events/events.go
+++ b/exp/pkg/events/events.go
@@ -3,13 +3,29 @@ package events
 var Mac = newMacEvents()
 
 type macEvents struct {
-	ApplicationDidFinishLaunching string
-	ApplicationWillTerminate      string
+	ApplicationDidFinishLaunching  string
+	ApplicationWillTerminate       string
+	ApplicationDidBecomeActive     string
+	ApplicationWillUpdate          string
+	ApplicationDidUpdate           string
+	ApplicationWillFinishLaunching string
+	ApplicationWillHide            string
+	ApplicationWillUnhide          string
+	ApplicationDidHide             string
+	ApplicationDidUnhide           string
 }
 
 func newMacEvents() macEvents {
 	return macEvents{
-		ApplicationDidFinishLaunching: "mac:ApplicationDidFinishLaunching",
-		ApplicationWillTerminate:      "mac:ApplicationWillTerminate",
+		ApplicationDidFinishLaunching:  "mac:ApplicationDidFinishLaunching",
+		ApplicationWillTerminate:       "mac:ApplicationWillTerminate",
+		ApplicationDidBecomeActive:     "mac:ApplicationDidBecomeActive",
+		ApplicationWillUpdate:          "mac:ApplicationWillUpdate",
+		ApplicationDidUpdate:           "mac:ApplicationDidUpdate",
+		ApplicationWillFinishLaunching: "mac:ApplicationWillFinishLaunching",
+		ApplicationWillHide:            "mac:ApplicationWillHide",
+		ApplicationWillUnhide:          "mac:ApplicationWillUnhide",
+		ApplicationDidHide:             "mac:ApplicationDidHide",
+		ApplicationDidUnhide:           "mac:ApplicationDidUnhide",
 	}
 }
diff --git a/exp/pkg/events/events.h b/exp/pkg/events/events.h
index f6cbc5f55..58f0ff57b 100644
--- a/exp/pkg/events/events.h
+++ b/exp/pkg/events/events.h
@@ -7,6 +7,14 @@ extern void systemEventHandler(char*);
 
 #define EventApplicationDidFinishLaunching "mac:ApplicationDidFinishLaunching"
 #define EventApplicationWillTerminate "mac:ApplicationWillTerminate"
+#define EventApplicationDidBecomeActive "mac:ApplicationDidBecomeActive"
+#define EventApplicationWillUpdate "mac:ApplicationWillUpdate"
+#define EventApplicationDidUpdate "mac:ApplicationDidUpdate"
+#define EventApplicationWillFinishLaunching "mac:ApplicationWillFinishLaunching"
+#define EventApplicationWillHide "mac:ApplicationWillHide"
+#define EventApplicationWillUnhide "mac:ApplicationWillUnhide"
+#define EventApplicationDidHide "mac:ApplicationDidHide"
+#define EventApplicationDidUnhide "mac:ApplicationDidUnhide"
 
 
 #endif
\ No newline at end of file
diff --git a/exp/pkg/events/events.txt b/exp/pkg/events/events.txt
index 0f7fd4f70..68a422b9d 100644
--- a/exp/pkg/events/events.txt
+++ b/exp/pkg/events/events.txt
@@ -1,2 +1,10 @@
 mac:ApplicationDidFinishLaunching
-mac:ApplicationWillTerminate
\ No newline at end of file
+mac:ApplicationWillTerminate
+mac:ApplicationDidBecomeActive
+mac:ApplicationWillUpdate
+mac:ApplicationDidUpdate
+mac:ApplicationWillFinishLaunching
+mac:ApplicationWillHide
+mac:ApplicationWillUnhide
+mac:ApplicationDidHide
+mac:ApplicationDidUnhide