1. 暴露 helper 方法

2. 删除无用代码

Source/TBActionSheet/UIWindow+TBAdditions.h

@@ -12,6 +12,5 @@
 
 - (UIViewController *)tb_viewControllerForStatusBarStyle;
 - (UIViewController *)tb_viewControllerForStatusBarHidden;
-- (UIImage *)tb_snapshot;
 - (UIViewController *)currentViewController;
 @end

Source/TBActionSheet/UIWindow+TBAdditions.m

@@ -31,56 +31,6 @@ - (UIViewController *)tb_viewControllerForStatusBarHidden
     return currentViewController;
 }
 
-- (UIImage *)tb_snapshot
-{
-    // source (under MIT license): https://github.com/shinydevelopment/SDScreenshotCapture/blob/master/SDScreenshotCapture/SDScreenshotCapture.m#L35
-
-    // UIWindow doesn't have to be rotated on iOS 8+.
-    BOOL ignoreOrientation = kiOS8Later;
-
-    UIInterfaceOrientation orientation = [UIApplication sharedApplication].statusBarOrientation;
-
-    CGSize imageSize = CGSizeZero;
-    if (UIInterfaceOrientationIsPortrait(orientation) || ignoreOrientation) {
-        imageSize = [UIScreen mainScreen].bounds.size;
-    } else {
-        imageSize = CGSizeMake([UIScreen mainScreen].bounds.size.height, [UIScreen mainScreen].bounds.size.width);
-    }
-
-    UIGraphicsBeginImageContextWithOptions(imageSize, NO, 0);
-    CGContextRef context = UIGraphicsGetCurrentContext();
-    CGContextSaveGState(context);
-    CGContextTranslateCTM(context, self.center.x, self.center.y);
-    CGContextConcatCTM(context, self.transform);
-    CGContextTranslateCTM(context, -self.bounds.size.width * self.layer.anchorPoint.x, -self.bounds.size.height * self.layer.anchorPoint.y);
-
-    // correct for the screen orientation
-    if (!ignoreOrientation) {
-        if (orientation == UIInterfaceOrientationLandscapeLeft) {
-            CGContextRotateCTM(context, (CGFloat)M_PI_2);
-            CGContextTranslateCTM(context, 0, -imageSize.width);
-        } else if (orientation == UIInterfaceOrientationLandscapeRight) {
-            CGContextRotateCTM(context, (CGFloat)-M_PI_2);
-            CGContextTranslateCTM(context, -imageSize.height, 0);
-        } else if (orientation == UIInterfaceOrientationPortraitUpsideDown) {
-            CGContextRotateCTM(context, (CGFloat)M_PI);
-            CGContextTranslateCTM(context, -imageSize.width, -imageSize.height);
-        }
-    }
-
-    if([self respondsToSelector:@selector(drawViewHierarchyInRect:afterScreenUpdates:)]) {
-        [self drawViewHierarchyInRect:self.bounds afterScreenUpdates:NO];
-    } else {/* iOS 6 */
-        [self.layer renderInContext:UIGraphicsGetCurrentContext()];
-    }
-
-    CGContextRestoreGState(context);
-    UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
-    UIGraphicsEndImageContext();
-
-    return image;
-}
-
 - (UIViewController *)currentViewController
 {
     UIViewController *viewController = self.rootViewController;

TBActionSheet.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
 s.name         = "TBActionSheet"
-s.version      = "1.7.0"
+s.version      = "1.7.1"
 s.summary      = "A Custom&Magical ActionSheet."
 s.description  = <<-DESC
 TBActionSheet is a small library that allows you to substitute Apple's uncustomizable UIActionSheet, with a beautiful and totally customizable actionsheet that you can use in your iOS app. The default style is iOS9/10, you can make your own style. Enjoy!
@@ -17,7 +17,7 @@ s.platform     = :ios, '7.0'
 s.requires_arc = true
 
 s.source_files = "Source/**/*.{h,m}"
-s.public_header_files = "Source/TBActionSheet/TBActionButton.h", "Source/TBActionSheet/TBActionSheet.h", "Source/TBAlertController/TBAlertController.h"
+s.public_header_files = "Source/TBActionSheet/TBActionButton.h", "Source/TBActionSheet/TBActionSheet.h", "Source/TBActionSheet/UIView+TBAdditions.h", "Source/TBActionSheet/UIWindow+TBAdditions.h", "Source/TBAlertController/TBAlertController.h"
 s.frameworks = 'Foundation', 'UIKit'
 
 end