From c8be8e254cb0bc90c956323b6ff53fb23093cc00 Mon Sep 17 00:00:00 2001
From: Max Lynch <max@drifty.com>
Date: Tue, 10 Oct 2017 10:49:58 -0500
Subject: [PATCH] fix(tabs): emit viewDidEnter and viewDidLeave on app during
 tab change

---
 src/components/tabs/tabs.ts | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/components/tabs/tabs.ts b/src/components/tabs/tabs.ts
index 095b4f0f8ad..3e0d967ace2 100644
--- a/src/components/tabs/tabs.ts
+++ b/src/components/tabs/tabs.ts
@@ -452,8 +452,15 @@ export class Tabs extends Ion implements AfterViewInit, RootNode, ITabs, Navigat
     }
 
     // Fire didEnter/didLeave lifecycle events
-    selectedPage && selectedPage._didEnter();
-    currentPage && currentPage._didLeave();
+    if (selectedPage) {
+      selectedPage._didEnter();
+      this._app.viewDidEnter.emit(selectedPage);
+    }
+
+    if (currentPage) {
+      currentPage && currentPage._didLeave();
+      this._app.viewDidLeave.emit(currentPage);
+    }
 
     // track the order of which tabs have been selected, by their index
     // do not track if the tab index is the same as the previous