Makes sure not to register the same notifications twice

ignacio · ignacio · commit fa7112873142 · 2015-08-04T21:44:15.000-03:00
diff --git a/Source/Classes/SLKTextViewController.m b/Source/Classes/SLKTextViewController.m
@@ -1924,6 +1924,8 @@ - (NSArray *)keyCommands
 
 - (void)slk_registerNotifications
 {
+    [self slk_unregisterNotifications];
+    
     // Keyboard notifications
     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(slk_willShowOrHideKeyboard:) name:UIKeyboardWillShowNotification object:nil];
     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(slk_willShowOrHideKeyboard:) name:UIKeyboardWillHideNotification object:nil];

Original file line number	Diff line number	Diff line change
`@@ -1924,6 +1924,8 @@ - (NSArray *)keyCommands`
`1924`	`1924`
`1925`	`1925`	`- (void)slk_registerNotifications`
`1926`	`1926`	`{`
	`1927`	`+ [self slk_unregisterNotifications];`
	`1928`	`+`
`1927`	`1929`	`// Keyboard notifications`
`1928`	`1930`	`[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(slk_willShowOrHideKeyboard:) name:UIKeyboardWillShowNotification object:nil];`
`1929`	`1931`	`[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(slk_willShowOrHideKeyboard:) name:UIKeyboardWillHideNotification object:nil];`