From 8c30ec3a3d01159f7869700374d03c6a86bcdfec Mon Sep 17 00:00:00 2001
From: John Estropia <rommel.estropia@gmail.com>
Date: Wed, 9 Jan 2019 11:59:06 +0900
Subject: [PATCH] minor fixes on Playgrounds and Demo app

---
 .../CustomLoggerViewController.swift            | 17 ++++++++++-------
 Playground.playground/Contents.swift            |  3 ---
 Playground.playground/timeline.xctimeline       |  6 ------
 3 files changed, 10 insertions(+), 16 deletions(-)
 delete mode 100644 Playground.playground/timeline.xctimeline

diff --git a/CoreStoreDemo/CoreStoreDemo/Loggers Demo/CustomLoggerViewController.swift b/CoreStoreDemo/CoreStoreDemo/Loggers Demo/CustomLoggerViewController.swift
index 1548c5a..c92bbaf 100644
--- a/CoreStoreDemo/CoreStoreDemo/Loggers Demo/CustomLoggerViewController.swift	
+++ b/CoreStoreDemo/CoreStoreDemo/Loggers Demo/CustomLoggerViewController.swift	
@@ -16,11 +16,6 @@ class CustomLoggerViewController: UIViewController, CoreStoreLogger {
     
     // MARK: NSObject
     
-    deinit {
-        
-        CoreStore.logger = DefaultLogger()
-    }
-    
     let dataStack = DataStack()
     
     // MARK: UIViewController
@@ -30,13 +25,14 @@ class CustomLoggerViewController: UIViewController, CoreStoreLogger {
         super.viewDidLoad()
         
         try! self.dataStack.addStorageAndWait(SQLiteStore(fileName: "emptyStore.sqlite"))
-        CoreStore.logger = self
     }
     
     override func viewDidAppear(_ animated: Bool) {
         
         super.viewDidAppear(animated)
-        
+
+        CoreStore.logger = self
+
         let alert = UIAlertController(
             title: "Logger Demo",
             message: "This demo shows how to plug-in any logging framework to CoreStore.\n\nThe view controller implements CoreStoreLogger and appends all logs to the text view.",
@@ -46,6 +42,13 @@ class CustomLoggerViewController: UIViewController, CoreStoreLogger {
         self.present(alert, animated: true, completion: nil)
     }
 
+    override func viewDidDisappear(_ animated: Bool) {
+
+        super.viewDidDisappear(animated)
+
+        CoreStore.logger = DefaultLogger()
+    }
+
     
     // MARK: CoreStoreLogger
     
diff --git a/Playground.playground/Contents.swift b/Playground.playground/Contents.swift
index ccc21c8..e2147f9 100644
--- a/Playground.playground/Contents.swift
+++ b/Playground.playground/Contents.swift
@@ -14,7 +14,6 @@ class Person: CoreStoreObject {
 }
 /// =======================
 
-
 /// Stack setup ===========
 let dataStack = DataStack(
     CoreStoreSchema(
@@ -28,7 +27,6 @@ let dataStack = DataStack(
 try dataStack.addStorageAndWait(SQLiteStore(fileName: "data.sqlite"))
 /// =======================
 
-
 /// Transactions ==========
 dataStack.perform(synchronous: { transaction in
 
@@ -42,7 +40,6 @@ dataStack.perform(synchronous: { transaction in
 })
 /// =======================
 
-
 /// Accessing Objects =====
 let bird = dataStack.fetchOne(From<Animal>().where(\.species == "Sparrow"))!
 bird.species.value
diff --git a/Playground.playground/timeline.xctimeline b/Playground.playground/timeline.xctimeline
deleted file mode 100644
index bf468af..0000000
--- a/Playground.playground/timeline.xctimeline
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Timeline
-   version = "3.0">
-   <TimelineItems>
-   </TimelineItems>
-</Timeline>