我想从一个特定的视图访问一个按钮。同样的视图6倍。这是code我使用。

 公共无效testTimeConfig（）{
    。昂达（withDesc（说明））onChildView（withId（R.id.positive））执行（点击（））;
}

私有静态匹配器＆LT;对象＆gt; withDesc（desc字符串）{
    返回allOf（被（INSTANCEOF（为String.class）），是（递减））;
}
 

当我跑，我得到一个错误：

在视图中执行装入适配器的数据错误是从类分配：类android.widget.AdapterView。

这是访问一个孩子认为最好的方法是什么？如果是这样，怎么样？

修改

这是在code我想现在使用。

  OnView为（allOf（（withContentDescription（说明）），hasSibling（withContentDescription（SettingsLayout）），hasSibling（withId（R.id.positive））））。执行（点击（））;
 

和

  OnView为（allOf（（withContentDescription（说明）），hasSibling（withId（R.id.positive））））执行（点击（））;
 

与此错误：

 的体系中没有的观点找到匹配
 

的XML

 ＆LT;查看
        机器人：layout_width =WRAP_CONTENT
        机器人：layout_height =WRAP_CONTENT
        机器人：layout_below =@ ID / setAGoalTitle
        机器人：layout_alignParentLeft =真
        类=com.xxx
        机器人：layout_marginTop =30dp
        机器人：ID =@ + ID / timeGoalWidget
        应用程序：goalLabel =@字符串/ time_min_upper
        应用程序：图标=@可绘制/ ic_icn_summary_time
        应用程序：步长=300
        应用程序：valueFormat =时间
        机器人：重力=center_horizo​​ntal
        机器人：layout_marginBottom =60dp
        机器人：contentDescription =setAGoalTimeConfigurator/＆GT;

    ＆LT;查看
        机器人：layout_width =WRAP_CONTENT
        机器人：layout_height =WRAP_CONTENT
        机器人：layout_alignParentRight =真
        机器人：layout_alignTop =@ ID / timeGoalWidget
        类=com.xxx
        机器人：ID =@ + ID / distanceGoalWidget
        应用程序：goalLabel =@字符串/ distance_upper
        应用程序：图标=@可绘制/ ic_icn_summary_track
        应用程序：步长=0.25
        应用程序：valueFormat =decimal_two
        机器人：重力=center_horizo​​ntal
        机器人：contentDescription =setAGoalDistanceConfigurator/＆GT;

    ＆LT;查看
        机器人：layout_width =WRAP_CONTENT
        机器人：layout_height =WRAP_CONTENT
        机器人：layout_below =@ ID / timeGoalWidget
        机器人：layout_alignLeft =@ ID / timeGoalWidget
        类=com.xxx
        机器人：ID =@ + ID / paceGoalWidget
        应用程序：goalLabel =@字符串/ pace_upper
        应用程序：图标=@可绘制/ ic_icn_summary_pace
        应用程序：valueFormat =时间
        应用程序：步长=10
        机器人：重力=center_horizo​​ntal
        机器人：layout_marginBottom =60dp
        机器人：contentDescription =setAGoalPaceConfigurator/＆GT;


    ＆LT;查看
        机器人：layout_width =WRAP_CONTENT
        机器人：layout_height =WRAP_CONTENT
        机器人：layout_alignRight =@ ID / distanceGoalWidget
        机器人：layout_alignTop =@ ID / paceGoalWidget
        类=com.xxx
        机器人：ID =@ + ID / speedGoalWidget
        应用程序：goalLabel =@字符串/ speed_upper
        应用程序：图标=@可绘制/ ic_icn_summary_speed
        应用程序：步长=0.5
        应用程序：valueFormat =decimal_two
        机器人：重力=center_horizo​​ntal
        机器人：contentDescription =setAGoalSpeed​​Configurator/＆GT;


    ＆LT;查看
        机器人：layout_width =WRAP_CONTENT
        机器人：layout_height =WRAP_CONTENT
        机器人：layout_below =@ ID / paceGoalWidget
        机器人：layout_alignLeft =@ ID / paceGoalWidget
        类=com.xxx
        机器人：ID =@ + ID / inclineGoalWidget
        应用程序：goalLabel =@字符串/ incline_percent_upper
        应用程序：图标=@可绘制/ ic_icn_summary_elevation
        应用程序：步长=0.5
        应用程序：valueFormat =decimal_two
        机器人：重力=center_horizo​​ntal
        机器人：contentDescription =setAGoalInclineConfigurator/＆GT;


    ＆LT;查看
        机器人：layout_width =WRAP_CONTENT
        机器人：layout_height =WRAP_CONTENT
        机器人：layout_alignRight =@ ID / speedGoalWidget
        机器人：layout_alignTop =@ ID / inclineGoalWidget
        类=com.xxx
        机器人：ID =@ + ID / caloriesGoalWidget
        应用程序：goalLabel =@字符串/ calories_upper
        应用程序：图标=@可绘制/ ic_icn_summary_calories
        应用程序：步长=10
        应用程序：valueFormat =decimal_zero
        机器人：重力=center_horizo​​ntal
        机器人：contentDescription =setAGoalCaloriesConfigurator/＆GT;


＆LT; / RelativeLayout的＆GT;
 

这是用于6次视图的XML。

 ＆LT;的ImageButton
    机器人：ID =@ + ID / increaseGoalButton
    机器人：layout_height =@扪/ view_goal_setting_incrementor_button_height_width
    机器人：layout_width =@扪/ view_goal_setting_incrementor_button_height_width
    机器人：背景=@可绘制/ button_goal_widget
    机器人：重力=中心
    机器人：SRC =@可绘制/ ic_plus
    机器人：TEXTSIZE =@扪/ view_goal_setting_incrementor_button_text_size
    机器人：文字颜色=@色/ goal_configuration_widget_button_text_color
    机器人：layout_alignParentRight =真
    机器人：layout_alignParentTop =真
    机器人：layout_marginBottom =1DP
    机器人：contentDescription =@字符串/加/＆GT;

＆LT;的ImageButton
    机器人：ID =@ + ID / decreaseGoalButton
    机器人：layout_height =@扪/ view_goal_setting_incrementor_button_height_width
    机器人：layout_width =@扪/ view_goal_setting_incrementor_button_height_width
    机器人：背景=@可绘制/ button_goal_widget
    机器人：重力=中心
    机器人：SRC =@可绘制/ ic_minus
    机器人：TEXTSIZE =@扪/ view_goal_setting_incrementor_button_text_size
    机器人：layout_alignParentRight =真
    机器人：文字颜色=@色/ goal_configuration_widget_button_text_color
    机器人：layout_below =@ ID / increaseGoalButton
    机器人：contentDescription =@字符串/减少/＆GT;

＆LT;的LinearLayout
    机器人：ID =@ + ID / goalWidgetValueContainer
    机器人：layout_width =WRAP_CONTENT
    机器人：layout_height =WRAP_CONTENT
    机器人：方向=垂直
    机器人：layout_toLeftOf =@ ID / increaseGoalButton
    机器人：layout_centerVertical =真
    机器人：重力=center_vertical |右
    机器人：layout_marginRight =@扪/ view_goal_setting_value_margin_right＆GT;

    ＆LT;的TextView
        机器人：ID =@ + ID / goalValueTextView
        机器人：layout_height =WRAP_CONTENT
        机器人：layout_width =WRAP_CONTENT
        机器人：文字颜色=@色/ goal_configuration_widget_value_text_color
        机器人：TEXTSIZE =@扪/ view_goal_setting_value_text_size
        机器人：lineSpacingExtra = -  10SP
        应用程序：字体=proxima_bold
        机器人：文本=999：00/＆GT;

    ＆LT;的TextView
        机器人：ID =@ + ID / goalValueLabelTextView
        机器人：layout_height =WRAP_CONTENT
        机器人：layout_width =WRAP_CONTENT
        机器人：layout_gravity =右
        机器人：TEXTSIZE =@扪/ view_goal_setting_value_label_text_size
        机器人：文字颜色=@色/ goal_configuration_widget_value_text_color
        机器人：includeFontPadding =假
        机器人：lineSpacingExtra =10SP
        机器人：文本=@字符串/ incline_percent_upper/＆GT;

＆LT; / LinearLayout中＆GT;
 

这是id为ImageView的 increaseGoalButton ，我想点击。

根据你应该用你的最后一个注释 OnView为（）而不是昂达（）。 我想，你就可以用点击按钮 hasSibling（） - 的例如

  OnView为（allOf（withId（R.id.positive），hasSibling（withDesc（someString））））
    .perform（点击（））;
 

或例子不自定义匹配（兄弟视图有文字）：

  OnView为（allOf（withId（R.id.positive），hasSibling（withText（someString））））
    .perform（点击（））;
 

或（兄弟姐妹视图具有内容描述）：

  OnView为（allOf（withId（R.id.positive），hasSibling（withContentDescription（someString））））
    .perform（点击（））;
 

编辑：

OK，我会尝试这两个变种：

  OnView为（allOf（withId（R.id.increaseGoalButton），isDescendantOfA（withId（R.id.timeGoalWidget））））
    .perform（点击（））;
 

或

  OnView为（allOf（withId（R.id.increaseGoalButton），withParent（withId（R.id.timeGoalWidget））））
    .perform（点击（））;
 

I am trying to access a button from a specific view. The same view is displayed 6 times. This is the code I am using.

public void testTimeConfig(){
    onData(withDesc("description")).onChildView(withId(R.id.positive)).perform(click());
}

private static Matcher<Object> withDesc(String desc) {
    return allOf(is(instanceOf(String.class)), is(desc));
}

When I run, I get an error:

Error performing 'load adapter data' on view 'is assignable from class: class android.widget.AdapterView'.

Is this the best way to access a child view? If so, how?

EDIT

This is the code I am trying to use now.

   onView(allOf((withContentDescription("description")), hasSibling(withContentDescription("SettingsLayout")), hasSibling(withId(R.id.positive)))).perform(click());

and

   onView(allOf((withContentDescription("description")), hasSibling(withId(R.id.positive)))).perform(click());

With this Error:

   No views in hierarchy found matching

The xml

    <view
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@id/setAGoalTitle"
        android:layout_alignParentLeft="true"
        class="com.xxx"
        android:layout_marginTop="30dp"
        android:id="@+id/timeGoalWidget"
        app:goalLabel="@string/time_min_upper"
        app:icon="@drawable/ic_icn_summary_time"
        app:step="300"
        app:valueFormat="time"
        android:gravity="center_horizontal"
        android:layout_marginBottom="60dp"
        android:contentDescription="setAGoalTimeConfigurator"/>

    <view
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentRight="true"
        android:layout_alignTop="@id/timeGoalWidget"
        class="com.xxx"
        android:id="@+id/distanceGoalWidget"
        app:goalLabel="@string/distance_upper"
        app:icon="@drawable/ic_icn_summary_track"
        app:step="0.25"
        app:valueFormat="decimal_two"
        android:gravity="center_horizontal"
        android:contentDescription="setAGoalDistanceConfigurator"/>

    <view
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@id/timeGoalWidget"
        android:layout_alignLeft="@id/timeGoalWidget"
        class="com.xxx"
        android:id="@+id/paceGoalWidget"
        app:goalLabel="@string/pace_upper"
        app:icon="@drawable/ic_icn_summary_pace"
        app:valueFormat="time"
        app:step="10"
        android:gravity="center_horizontal"
        android:layout_marginBottom="60dp"
        android:contentDescription="setAGoalPaceConfigurator"/>


    <view
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignRight="@id/distanceGoalWidget"
        android:layout_alignTop="@id/paceGoalWidget"
        class="com.xxx"
        android:id="@+id/speedGoalWidget"
        app:goalLabel="@string/speed_upper"
        app:icon="@drawable/ic_icn_summary_speed"
        app:step="0.5"
        app:valueFormat="decimal_two"
        android:gravity="center_horizontal"
        android:contentDescription="setAGoalSpeedConfigurator"/>


    <view
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@id/paceGoalWidget"
        android:layout_alignLeft="@id/paceGoalWidget"
        class="com.xxx"
        android:id="@+id/inclineGoalWidget"
        app:goalLabel="@string/incline_percent_upper"
        app:icon="@drawable/ic_icn_summary_elevation"
        app:step="0.5"
        app:valueFormat="decimal_two"
        android:gravity="center_horizontal"
        android:contentDescription="setAGoalInclineConfigurator"/>


    <view
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignRight="@id/speedGoalWidget"
        android:layout_alignTop="@id/inclineGoalWidget"
        class="com.xxx"
        android:id="@+id/caloriesGoalWidget"
        app:goalLabel="@string/calories_upper"
        app:icon="@drawable/ic_icn_summary_calories"
        app:step="10"
        app:valueFormat="decimal_zero"
        android:gravity="center_horizontal"
        android:contentDescription="setAGoalCaloriesConfigurator"/>


</RelativeLayout>

The view xml that is used 6 times.

<ImageButton
    android:id="@+id/increaseGoalButton"
    android:layout_height="@dimen/view_goal_setting_incrementor_button_height_width"
    android:layout_width="@dimen/view_goal_setting_incrementor_button_height_width"
    android:background="@drawable/button_goal_widget"
    android:gravity="center"
    android:src="@drawable/ic_plus"
    android:textSize="@dimen/view_goal_setting_incrementor_button_text_size"
    android:textColor="@color/goal_configuration_widget_button_text_color"
    android:layout_alignParentRight="true"
    android:layout_alignParentTop="true"
    android:layout_marginBottom="1dp"
    android:contentDescription="@string/increase"/>

<ImageButton
    android:id="@+id/decreaseGoalButton"
    android:layout_height="@dimen/view_goal_setting_incrementor_button_height_width"
    android:layout_width="@dimen/view_goal_setting_incrementor_button_height_width"
    android:background="@drawable/button_goal_widget"
    android:gravity="center"
    android:src="@drawable/ic_minus"
    android:textSize="@dimen/view_goal_setting_incrementor_button_text_size"
    android:layout_alignParentRight="true"
    android:textColor="@color/goal_configuration_widget_button_text_color"
    android:layout_below="@id/increaseGoalButton"
    android:contentDescription="@string/decrease"/>

<LinearLayout
    android:id="@+id/goalWidgetValueContainer"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    android:layout_toLeftOf="@id/increaseGoalButton"
    android:layout_centerVertical="true"
    android:gravity="center_vertical|right"
    android:layout_marginRight="@dimen/view_goal_setting_value_margin_right" >

    <TextView
        android:id="@+id/goalValueTextView"
        android:layout_height="wrap_content"
        android:layout_width="wrap_content"
        android:textColor="@color/goal_configuration_widget_value_text_color"
        android:textSize="@dimen/view_goal_setting_value_text_size"
        android:lineSpacingExtra="-10sp"
        app:typeface="proxima_bold"
        android:text="999:00"/>

    <TextView
        android:id="@+id/goalValueLabelTextView"
        android:layout_height="wrap_content"
        android:layout_width="wrap_content"
        android:layout_gravity="right"
        android:textSize="@dimen/view_goal_setting_value_label_text_size"
        android:textColor="@color/goal_configuration_widget_value_text_color"
        android:includeFontPadding="false"
        android:lineSpacingExtra="10sp"
        android:text="@string/incline_percent_upper"/>

</LinearLayout>

It is the ImageView with id increaseGoalButton that I am trying to click.

Based on your last comment you should use onView() instead of onData(). I think you'll be able to click the button using hasSibling() - example

onView(allOf(withId(R.id.positive), hasSibling(withDesc(someString))))
    .perform(click());

or examples without your custom matcher (sibling view has text):

onView(allOf(withId(R.id.positive), hasSibling(withText(someString))))
    .perform(click());

or (sibling view has content description):

onView(allOf(withId(R.id.positive), hasSibling(withContentDescription(someString))))
    .perform(click());

EDITED:

OK, I'd try these two variants:

onView(allOf(withId(R.id.increaseGoalButton), isDescendantOfA(withId(R.id.timeGoalWidget))))
    .perform(click());

or

onView(allOf(withId(R.id.increaseGoalButton), withParent(withId(R.id.timeGoalWidget))))
    .perform(click());