首次进入页面不能弹出键盘

[melo30]

使用 titleBecomeFirstResponder 和contentBecomeFirstResponder 都没有效果

[study123456]

• (void)webView:(WKWebView *)webView didFinishNavigation:(WKNavigation *)navigation{ dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(.5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{ [self.webView showKeyboardTitle]; });
  }