Cannot resolve symbol KeyEventCompat（android.support.v4.view.KeyEventCompat找不到）

解決方案

KeyEventCompat類（我項目中用它的hasNoModifiers方法）最后查看源碼 才知道這個hasNoModifiers方法已經被KeyEvent實現了。 貼出源碼：

public boolean executeKeyEvent(KeyEvent event) {

//報錯地方

                    // The focus finder had a bug handling FOCUS_FORWARD and FOCUS_BACKWARD

                    // before Android 3.0. Ignore the tab key on those devices.

//                  if (KeyEventCompat.hasNoModifiers(event)) {

//                      handled = arrowScroll(FOCUS_FORWARD);

//                  } else if (KeyEventCompat.hasModifiers(event, KeyEvent.META_SHIFT_ON)) {

//                      handled = arrowScroll(FOCUS_BACKWARD);

//                  }

//                  http://blog.csdn.net/lrpshuai/article/details/78392872

//正確代碼

                    if (event.hasNoModifiers()) {

                        handled = arrowScroll(FOCUS_FORWARD);

                    } else if (event.hasModifiers(KeyEvent.META_SHIFT_ON)) {

                        handled = arrowScroll(FOCUS_BACKWARD);

                    }

}

總結

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