给你,我在我目前正在开发的应用程序中使用它。祈祷它可以进入应用商店,尽管通过其他“黑客”进入商店这并不比其他人差,所以应该有一个公平的机会。
这种方法没有烦人的副作用——它通过确保它从一开始就没有被创建来干净地删除了条。达达!
归功于https://gist.github.com/2048571,这是他的代码,有一个小修复。
#import <objc/runtime.h>
#import <UIKit/UIKit.h>
@interface UIWebView (HackishAccessoryHiding)
@property (nonatomic, assign) BOOL hackishlyHidesInputAccessoryView;
@end
@implementation UIWebView (HackishAccessoryHiding)
static const char * const hackishFixClassName = "UIWebBrowserViewMinusAccessoryView";
static Class hackishFixClass = Nil;
- (UIView *)hackishlyFoundBrowserView {
UIScrollView *scrollView = self.scrollView;
UIView *browserView = nil;
for (UIView *subview in scrollView.subviews) {
if ([NSStringFromClass([subview class]) hasPrefix:@"UIWebBrowserView"]) {
browserView = subview;
break;
}
}
return browserView;
}
- (id)methodReturningNil {
return nil;
}
- (void)ensureHackishSubclassExistsOfBrowserViewClass:(Class)browserViewClass {
if (!hackishFixClass) {
Class newClass = objc_allocateClassPair(browserViewClass, hackishFixClassName, 0);
IMP nilImp = [self methodForSelector:@selector(methodReturningNil)];
class_addMethod(newClass, @selector(inputAccessoryView), nilImp, "@@:");
objc_registerClassPair(newClass);
hackishFixClass = newClass;
}
}
- (BOOL) hackishlyHidesInputAccessoryView {
UIView *browserView = [self hackishlyFoundBrowserView];
return [browserView class] == hackishFixClass;
}
- (void) setHackishlyHidesInputAccessoryView:(BOOL)value {
UIView *browserView = [self hackishlyFoundBrowserView];
if (browserView == nil) {
return;
}
[self ensureHackishSubclassExistsOfBrowserViewClass:[browserView class]];
if (value) {
object_setClass(browserView, hackishFixClass);
}
else {
Class normalClass = objc_getClass("UIWebBrowserView");
object_setClass(browserView, normalClass);
}
[browserView reloadInputViews];
}
@end