在当前类的最前面加上
//隐藏webview调用键盘之后 的 功能键：比如完成
@interfaceUIWebView (HackishAccessoryHiding)
@property(nonatomic,assign)BOOLhidesInputAccessoryView;
@end
@implementationUIWebView (HackishAccessoryHiding)
static const char * const hackishFixClassName = "UIWebBrowserViewMinusAccessoryView";
staticClasshackishFixClass =Nil;
- (UIView*)hackishlyFoundBrowserView {
UIScrollView *scrollView = self.scrollView;
UIView*browserView =nil;
for(UIView*subviewinscrollView.subviews) {
if ([NSStringFromClass([subview class]) hasPrefix:@"UIWebBrowserView"]) {
browserView = subview;
break;
}
}
returnbrowserView;
}
- (id)methodReturningNil {
return nil;
}
- (void)ensureHackishSubclassExistsOfBrowserViewClass:(Class)browserViewClass {
if (!hackishFixClass) {
ClassnewClass =objc_allocateClassPair(browserViewClass,hackishFixClassName,0);
newClass =objc_allocateClassPair(browserViewClass,hackishFixClassName,0);
IMPnilImp = [selfmethodForSelector:@selector(methodReturningNil)];
class_addMethod(newClass,@selector(inputAccessoryView), nilImp,"@@:");
objc_registerClassPair(newClass);
hackishFixClass= newClass;
}
}
- (BOOL) hidesInputAccessoryView {
UIView *browserView = [self hackishlyFoundBrowserView];
return[browserViewclass] ==hackishFixClass;
}
- (void) setHidesInputAccessoryView:(BOOL)value {
UIView *browserView = [self hackishlyFoundBrowserView];
if(browserView ==nil) {
return;
}
[self ensureHackishSubclassExistsOfBrowserViewClass:[browserView class]];
if(value) {
object_setClass(browserView,hackishFixClass);
}
else{
ClassnormalClass =objc_getClass("UIWebBrowserView");
object_setClass(browserView, normalClass);
}
[browserViewreloadInputViews];
}
@end
之后:
_webView.hidesInputAccessoryView = YES;//隐藏键盘上方功能键
