From 3157f8a1505685bd5aab2414aff6f7a31b9561ac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E8=88=AA?= <lihang09@meituan.com>
Date: Fri, 24 Nov 2017 20:39:34 +0800
Subject: [PATCH] Add property

---
 TapkuLibrary/TKAlertCenter.h |  4 +++-
 TapkuLibrary/TKAlertCenter.m | 18 +++++++++++-------
 2 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/TapkuLibrary/TKAlertCenter.h b/TapkuLibrary/TKAlertCenter.h
index 5fa00c8f..e28efb4e 100644
--- a/TapkuLibrary/TKAlertCenter.h
+++ b/TapkuLibrary/TKAlertCenter.h
@@ -42,6 +42,8 @@
 	CGRect _alertFrame;
 }
 
+@property (weak, nonatomic) UIWindow *keyWindow;
+
 /** Returns the process’s default notification center. 
  @return The current process’s default notification center, which is used for alert notifications.
  */
@@ -59,4 +61,4 @@
  */
 - (void) postAlertWithMessage:(NSString *)message;
 
-@end
\ No newline at end of file
+@end
diff --git a/TapkuLibrary/TKAlertCenter.m b/TapkuLibrary/TKAlertCenter.m
index 04ab1130..52427346 100644
--- a/TapkuLibrary/TKAlertCenter.m
+++ b/TapkuLibrary/TKAlertCenter.m
@@ -148,7 +148,7 @@ - (instancetype) init{
 	_active = NO;
 	
 	
-	_alertFrame = [UIScreen mainScreen].applicationFrame;
+	_alertFrame = [UIScreen mainScreen].bounds;
 
 	
 	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillAppear:) name:UIKeyboardWillShowNotification object:nil];
@@ -172,9 +172,13 @@ - (void) showAlerts{
 	_active = YES;
 	_alertView.transform = CGAffineTransformIdentity;
 	_alertView.alpha = 0;
-	[[UIApplication sharedApplication].keyWindow addSubview:_alertView];
-
-	
+    
+    if (_keyWindow)
+        [_keyWindow addSubview:_alertView];
+    else
+        [[UIApplication sharedApplication].keyWindow addSubview:_alertView];
+    
+    
 	
 	NSArray *ar = _alerts[0];
 	
@@ -298,7 +302,7 @@ - (void) keyboardWillAppear:(NSNotification *)notification {
 	NSDictionary *userInfo = [notification userInfo];
 	NSValue* aValue = userInfo[UIKeyboardFrameEndUserInfoKey];
 	CGRect kf = [aValue CGRectValue];
-	CGRect wf = [UIScreen mainScreen].applicationFrame;
+	CGRect wf = [UIScreen mainScreen].bounds;
 	
 	[UIView beginAnimations:nil context:nil];
 	_alertFrame = subtractRect(wf,kf);
@@ -307,7 +311,7 @@ - (void) keyboardWillAppear:(NSNotification *)notification {
 
 }
 - (void) keyboardWillDisappear:(NSNotification *) notification {
-	_alertFrame = [UIScreen mainScreen].applicationFrame;
+	_alertFrame = [UIScreen mainScreen].bounds;
 
 }
 - (void) orientationWillChange:(NSNotification *) notification {
@@ -331,4 +335,4 @@ - (void) orientationWillChange:(NSNotification *) notification {
 	
 }
 
-@end
\ No newline at end of file
+@end