===item填充导致layout显示和想要的不同

<ScrollView
android:id="@+id/new_horizontalScrollView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#ffffff"
android:scrollbars="none"
android:overScrollMode="never"
>

<LinearLayout
android:id="@+id/new_recordtag_viewgroup"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center_vertical"
android:orientation="vertical">

</LinearLayout>

</ScrollView>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:background="#ffffff">

<FrameLayout
android:layout_width="match_parent"
android:layout_height="55dp"
>

</FrameLayout>

4000

<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="55dp"
android:layout_alignParentTop="true"
>

<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<com.qeeniao.mobile.kdjz.UIComponents.TextViewTypeFaceXh
android:id="@+id/new_tag_name"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_marginLeft="13dp"
android:singleLine="true"
android:gravity="center"
android:textSize="19dp"
android:textColor="#655f5f" />

<ImageView
android:id="@+id/new_tag_select"
android:layout_width="19dp"
android:layout_height="match_parent"
android:gravity="center"
android:tag="false"
android:layout_marginRight="19dp"
android:visibility="gone"
android:src="@drawable/jiyibi_select_account"
android:layout_alignParentTop="true"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true"
android:layout_marginEnd="30dp" />
<View
android:layout_width="match_parent"
android:layout_height="1px"
android:background="#e5e5e5"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true" />
</RelativeLayout>

</LinearLayout>

</RelativeLayout>