mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Peter Argany
dee937c7c1
Summary: `RCTAlertController` creates a new window, and presents itself in that window. RCTAlertController strongly retains the window, and the window strongly retains RCTAlertController when presenting it. This adds a new method to break that cycle once alert is dismissed. Changelog: [Internal] Reviewed By: shergin Differential Revision: D25312413 fbshipit-source-id: e4048922aa697eb42c4c149827bac61bc7bc5528
42 lines
940 B
Objective-C
42 lines
940 B
Objective-C
/*
|
|
* Copyright (c) Facebook, Inc. and its affiliates.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*/
|
|
|
|
#import <React/RCTUtils.h>
|
|
|
|
#import "RCTAlertController.h"
|
|
|
|
@interface RCTAlertController ()
|
|
|
|
@property (nonatomic, strong) UIWindow *alertWindow;
|
|
|
|
@end
|
|
|
|
@implementation RCTAlertController
|
|
|
|
- (UIWindow *)alertWindow
|
|
{
|
|
if (_alertWindow == nil) {
|
|
_alertWindow = [[UIWindow alloc] initWithFrame:RCTSharedApplication().keyWindow.bounds];
|
|
_alertWindow.rootViewController = [UIViewController new];
|
|
_alertWindow.windowLevel = UIWindowLevelAlert + 1;
|
|
}
|
|
return _alertWindow;
|
|
}
|
|
|
|
- (void)show:(BOOL)animated completion:(void (^)(void))completion
|
|
{
|
|
[self.alertWindow makeKeyAndVisible];
|
|
[self.alertWindow.rootViewController presentViewController:self animated:animated completion:completion];
|
|
}
|
|
|
|
- (void)hide
|
|
{
|
|
_alertWindow = nil;
|
|
}
|
|
|
|
@end
|