Espresso如何点击在长选项菜单中尚不可见的(选项)菜单项？打开选项菜单很简单:openActionBarOverflowOrOptionsMenu(getInstrumentation().getTargetContext());我试过，例如scrollTo，但没有成功:onView(withText("Optionmenuitemtext")).perform(scrollTo(),click());onView(withText(R.id.optionMenuId)).perform(scrollTo(),click());onView(withId(is(R.id.appO