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hopefully fix leaking KVO problem particularly obvious on the simulator (https://github.com/matrix-org/matrix-ios-sdk/issues/4)

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Matthew Hodgson
2015-01-10 23:21:13 +00:00
parent 4ec4be80e3
commit 73a1103f24
1 changed files with 9 additions and 5 deletions
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matrixConsole/ViewController/RoomViewController.m
+9 -5
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@@ -1145,12 +1145,16 @@ NSString *const kCmdResetUserPowerLevel = @"/deop";
[self.view layoutIfNeeded];
} completion:^(BOOL finished) {
// be warned when the keyboard frame is updated
[inputAccessoryView.superview addObserver:self forKeyPath:@"frame" options:0 context:nil];
[inputAccessoryView.superview addObserver:self forKeyPath:@"center" options:0 context:nil];
isKeyboardObserver = YES;
}];
// be warned when the keyboard frame is updated
// we don't this put this in completion otherwise we may race and leak observers if we
// remove the observer (e.g. in onKeyboardWillHide) before the animation has completed.
// fixes https://github.com/matrix-org/matrix-ios-sdk/issues/4
[inputAccessoryView.superview addObserver:self forKeyPath:@"frame" options:0 context:nil];
[inputAccessoryView.superview addObserver:self forKeyPath:@"center" options:0 context:nil];
isKeyboardObserver = YES;
}
- (void)onKeyboardWillHide:(NSNotification *)notif {