Debug AppLifecycleTest

Author: xster

shell/platform/darwin/ios/framework/Source/FlutterViewController.mm

@@ -607,6 +607,7 @@ - (void)viewWillAppear:(BOOL)animated {
   if (_viewportMetrics.physical_width) {
     [self surfaceUpdated:YES];
   }
+  NSLog(@"FlutterViewController instance %@ sends AppLifecycleState.inactive", self);
   [[_engine.get() lifecycleChannel] sendMessage:@"AppLifecycleState.inactive"];
 
   [super viewWillAppear:animated];
@@ -616,13 +617,15 @@ - (void)viewDidAppear:(BOOL)animated {
   TRACE_EVENT0("flutter", "viewDidAppear");
   [self onUserSettingsChanged:nil];
   [self onAccessibilityStatusChanged:nil];
+  NSLog(@"FlutterViewController instance %@ sends AppLifecycleState.inactive", self);
   [[_engine.get() lifecycleChannel] sendMessage:@"AppLifecycleState.resumed"];
 
   [super viewDidAppear:animated];
 }
 
 - (void)viewWillDisappear:(BOOL)animated {
   TRACE_EVENT0("flutter", "viewWillDisappear");
+  NSLog(@"FlutterViewController instance %@ sends AppLifecycleState.inactive", self);
   [[_engine.get() lifecycleChannel] sendMessage:@"AppLifecycleState.inactive"];
 
   [super viewWillDisappear:animated];
@@ -632,6 +635,7 @@ - (void)viewDidDisappear:(BOOL)animated {
   TRACE_EVENT0("flutter", "viewDidDisappear");
   if ([_engine.get() viewController] == self) {
     [self surfaceUpdated:NO];
+    NSLog(@"FlutterViewController instance %@ sends AppLifecycleState.inactive", self);
     [[_engine.get() lifecycleChannel] sendMessage:@"AppLifecycleState.paused"];
     [self flushOngoingTouches];
     [_engine.get() notifyLowMemory];