具有一个RelativeLayout,它具有左右两个子容器,右侧可能会更高/或更短,并且左容器中有一些子项,其中一些子项可能会动态可见或不可见。
类似左侧的东西在垂直方向上具有AAA,bbb,CCC等。它们应在垂直方向上分配可用空间。因此,当bbb隐藏时,剩余的AAA,CCC上下将有更多空间。
------------------- ------------------------
| AAA | | |
| | | |
| bbb | | Right side |
| | | |
| CCC | | |
------------------- ------------------------
bbb is visibility = "gone"
------------------- ------------------------
| | | |
| AAA | | |
| | | Right side |
| CCC | | |
| | | |
------------------- ------------------------
更改为垂直的LinearLayout以包裹左侧,并且如果左侧短于右侧,则在AAA上方和CCC下方添加分隔符将起作用,但是如果左侧短于右侧,则将不起作用。
当左侧的内容更多且高度高于右侧时,应为:
------------------- ========================
| AAA | |----------------------|
| | | |
| ddd | | |
| bbb | | Right side |
| eee | |
| | | |
| CCC | |----------------------|
------------------- ========================
具有如下所示的布局,但是当左侧的某些子视图被隐藏时,它不会调整,例如:
<RelativeLayout
android:id="@+id/container"
android:layout_width="match_parent"
android:layout_height="wrap_content"
>
<!-- "@id/asset_container" is at right side, has a lot children views, not showing here -->
<FrameLayout
android:id="@id/asset_container"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_alignParentEnd="true"
android:layout_marginTop="6dp"
tools:visibility="visible"
tools:layout_width="360dp"
tools:layout_height="120dp"
tools:background="#ff0000"
>
</FrameLayout>
<!-- left side -->
<TextView
android:id="@id/title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:layout_marginTop="10dp"
android:layout_marginEnd="10dp"
android:layout_marginBottom="5dp"
android:layout_toStartOf="@id/asset_container"
android:ellipsize="end"
android:maxLines="2"
tools:text="ad title a little bit long, for testing what the title will look like wrap in second line"
/>
<!-- "@id/wrapper" has a lot children views, not showing here -->
<RelativeLayout
android:id="@id/wrapper"
android:layout_width="match_parent"
android:layout_height="60dp"
android:layout_alignParentStart="true"
android:layout_marginEnd="8dp"
android:layout_toStartOf="@id/asset_container"
android:visibility="gone"
android:layout_below="@id/title"
android:layout_above="@+id/text"
tools:visibility="gone"
android:background="#ffff00"
>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="text text"
/>
<!-- -->
<!-- -->
</RelativeLayout>
<TextView
android:id="@id/text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@id/asset_container"
android:layout_marginBottom="10dp"
android:singleLine="true"
android:text="test"
/>
<ImageView
android:id="@id/icon"
android:layout_width="24dp"
android:layout_height="24dp"
android:layout_alignTop="@id/text"
android:layout_alignBottom="@id/text"
android:layout_toEndOf="@id/text"
android:src="@drawable/icon"
android:layout_centerVertical="true"
android:layout_gravity="center"
/>
<TextView
android:id="@id/name"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_alignTop="@id/text"
android:layout_alignBottom="@id/text"
android:layout_toEndOf="@id/icon"
android:layout_toStartOf="@id/option"
android:layout_gravity="center_horizontal"
android:layout_centerHorizontal="true"
android:gravity="center_vertical"
tools:text="very long long long name"
android:singleLine="true"
android:ellipsize="end"
/>
<ImageView
android:id="@+id/optin"
android:layout_width="24dp"
android:layout_height="24dp"
android:layout_marginEnd="3dp"
android:background="?attr/selectableItemBackground"
android:src="@drawable/ic_more_vert_black_24dp"
android:layout_centerVertical="true"
android:layout_gravity="center"
tools:visibility="visible"
android:layout_toStartOf="@id/asset_container"
android:layout_alignTop="@id/text"
android:layout_alignBottom="@id/text"
/>
</RelativeLayout>
<RelativeLayout>
<!-- left side -->
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:layout_centerVertical="true"
android:layout_toStartOf="@id/right_side_container"
android:orientation="vertical">
<Space
android:layout_width="1dp"
android:layout_height="0dp"
android:layout_weight="1"
/>
<!-- item AAA --->
<!-- item ddd --->
<!-- item bbb --->
<!-- item eee --->
<!-- item ccc --->
<Space
android:layout_width="1dp"
android:layout_height="0dp"
android:layout_weight="1"
/>
<LinearLayout >
<!-- right side -->
<FrameLayout
android:id="@id/right_side_container"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentEnd="true"
android:layout_centerVertical="true"
tools:visibility="visible"
>
<!-- children items -->
</FrameLayout>
</RelativeLayout>