使用Android Espresso进行测试时如何点击Action Bar项目？ [英] How to click on Action Bar items when testing with Android Espresso?

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本文介绍了使用Android Espresso进行测试时如何点击Action Bar项目？的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我正在使用Android Espresso来测试我的活动。我有多个操作栏项，其中大部分都隐藏在溢出中。我正在尝试运行此测试但错误说层次结构中没有视图（与不可见不同）：

I am using Android Espresso to test my activity. I have multiple action bar items, most of which are hidden in the overflow. I am trying to run this test but the error says there is no view in the hierarchy (different from not visible):

@MediumTest
public void testClickInsertItem() {
  Espresso.onView(ViewMatchers.withId(R.id.action_insert)).perform(ViewActions.click());
}

错误：

android.support.test.espresso.NoMatchingViewException: No views in hierarchy found matching: with id: blogr.vpm.fr.blogr:id/action_insert
If the target view is not part of the view hierarchy, you may need to use Espresso.onData to load it from one of the following AdapterViews:android.widget.ListView{5283cfb0 VFED.VC. ........ 2,2-762,973 #7f07000b app:id/allitems}

View Hierarchy:
+>DecorView{id=-1, visibility=VISIBLE, width=768, height=1184, has-focus=true, has-focusable=true, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0, child-count=1}
|
+->ActionBarOverlayLayout{id=16909075, res-name=action_bar_overlay_layout, visibility=VISIBLE, width=768, height=1184, has-focus=true, has-focusable=true, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0, child-count=3}
|
+-->FrameLayout{id=16908290, res-name=content, visibility=VISIBLE, width=768, height=1038, has-focus=true, has-focusable=true, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=146.0, child-count=1}
|
+--->RelativeLayout{id=-1, visibility=VISIBLE, width=768, height=1038, has-focus=true, has-focusable=true, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0, child-count=1}
|
+---->ViewPager{id=2131165186, res-name=pager, visibility=VISIBLE, width=764, height=1034, has-focus=true, has-focusable=true, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=true, is-layout-requested=false, is-selected=false, root-is-layout-requested=false, has-input-connection=false, x=2.0, y=2.0, child-count=3}
|
+----->PagerTitleStrip{id=2131165187, res-name=pager_title_strip, visibility=VISIBLE, width=764, height=59, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, root-is-layout-requested=false, has-input-connection=false, x=763.0, y=0.0, child-count=3}
|
+------>TextView{id=-1, visibility=VISIBLE, width=125, height=43, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=8.0, text=Free text, input-type=0, ime-target=false, has-links=false}
|
(...)
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+-->ActionBarContainer{id=16909076, res-name=action_bar_container, visibility=VISIBLE, width=768, height=96, has-focus=false, has-focusable=true, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=50.0, child-count=2}
|
+--->ActionBarView{id=16909077, res-name=action_bar, visibility=VISIBLE, width=768, height=96, has-focus=false, has-focusable=true, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0, child-count=2}
|
+---->LinearLayout{id=-1, desc=Hello, Navigate up, visibility=VISIBLE, width=124, height=96, has-focus=false, has-focusable=true, has-window-focus=true, is-clickable=true, is-enabled=true, is-focused=false, is-focusable=true, is-layout-requested=false, is-selected=false, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0, child-count=2}
|
+----->HomeView{id=-1, visibility=VISIBLE, width=97, height=96, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0, child-count=2}
|
+------>ImageView{id=16908890, res-name=up, visibility=VISIBLE, width=32, height=32, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=32.0}
|
+------>ImageView{id=16908332, res-name=home, visibility=VISIBLE, width=64, height=64, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, root-is-layout-requested=false, has-input-connection=false, x=25.0, y=16.0}
|
+----->LinearLayout{id=-1, visibility=VISIBLE, width=27, height=49, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, root-is-layout-requested=false, has-input-connection=false, x=97.0, y=23.0, child-count=2}
|
+------>TextView{id=16908901, res-name=action_bar_title, visibility=VISIBLE, width=11, height=49, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0, text=Hello, input-type=0, ime-target=false, has-links=false}
|
+------>TextView{id=16908902, res-name=action_bar_subtitle, visibility=GONE, width=0, height=0, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=true, is-selected=false, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0, text=, input-type=0, ime-target=false, has-links=false}
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+---->ActionMenuView{id=-1, visibility=VISIBLE, width=644, height=96, has-focus=false, has-focusable=true, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, root-is-layout-requested=false, has-input-connection=false, x=124.0, y=0.0, child-count=3}
|
+----->EditText{id=2131165210, res-name=postTitle, visibility=VISIBLE, width=420, height=96, has-focus=false, has-focusable=true, has-window-focus=true, is-clickable=true, is-enabled=true, is-focused=false, is-focusable=true, is-layout-requested=false, is-selected=false, root-is-layout-requested=false, has-input-connection=true, editor-info=[inputType=0x1 imeOptions=0x8000005 privateImeOptions=null actionLabel=null actionId=0 initialSelStart=0 initialSelEnd=0 initialCapsMode=0x0 hintText=New Post label=null packageName=null fieldId=0 fieldName=null extras=null ], x=0.0, y=0.0, text=Hello, hint=New Post, input-type=1, ime-target=false, has-links=false}
|
+----->ActionMenuItemView{id=2131165222, res-name=action_publish, desc=Publish, visibility=VISIBLE, width=112, height=96, has-focus=false, has-focusable=true, has-window-focus=true, is-clickable=true, is-enabled=true, is-focused=false, is-focusable=true, is-layout-requested=false, is-selected=false, root-is-layout-requested=false, has-input-connection=false, x=420.0, y=0.0, text=, input-type=0, ime-target=false, has-links=false}
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+----->OverflowMenuButton{id=-1, desc=More options, visibility=VISIBLE, width=112, height=96, has-focus=false, has-focusable=true, has-window-focus=true, is-clickable=true, is-enabled=true, is-focused=false, is-focusable=true, is-layout-requested=false, is-selected=false, root-is-layout-requested=false, has-input-connection=false, x=532.0, y=0.0}
|
+--->ActionBarContextView{id=16909078, res-name=action_context_bar, visibility=GONE, width=0, height=0, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=true, is-selected=false, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0, child-count=0}
|
+-->ActionBarContainer{id=16909079, res-name=split_action_bar, visibility=GONE, width=0, height=0, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=true, is-selected=false, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0, child-count=0}
|
at dalvik.system.VMStack.getThreadStackTrace(Native Method)

那么，我怎么样？应该访问ID R.id.action_insert 的按钮项目？

So, how am I supposed to access the button item with ID R.id.action_insert?

我注意到 OverflowMenuButton 。我可以单击它，但然后我得到另一个看起来不像动作项列表的视图层次结构。我是否应该深入了解视图层次结构，直到找到我的操作项或者是否有更好的，指定的方式来点击溢出中的操作项？我在Android文档中找不到关于操作栏的任何文档。

I noticed the OverflowMenuButton. I could click it, but I then get another view hierarchy that does not look like a list of action items. Am I supposed to dig in the view hierarchies until I find my action item or is there a better, designated way to click on action items in the overflow? I could not find any documentation on action bars in the Android documentation.

推荐答案

Espresso有 openActionBarOverflowOrOptionsMenu（上下文上下文）打开操作栏菜单的方法。您必须在菜单项的测试操作之前将其放置。

Espresso has openActionBarOverflowOrOptionsMenu(Context context) method to open the action bar menu. You have to put it before your test action on the menu items.

import static android.support.test.espresso.Espresso.openActionBarOverflowOrOptionsMenu;

@Test
public void testClickInsertItem() {
    openActionBarOverflowOrOptionsMenu(InstrumentationRegistry.getTargetContext());
    onView(withId(R.id.action_insert)).perform(click());
}

这篇关于使用Android Espresso进行测试时如何点击Action Bar项目？的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！

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