Source code
<?xml version="1.0" encoding="utf-8"?>
<view xmlns:android="http://schemas.android.com/apk/res/android" android:layout_gravity="top|bottom|left|right|center_vertical|fill_vertical|center_horizontal|fill_horizontal|center|fill|start|end" android:id="@id/activity_chooser_view_content" android:layout_width="wrap_content" android:layout_height="match_parent" class="android.support.v7.internal.widget.ActivityChooserView$InnerLayout" style="?attr/activityChooserViewStyle">
<FrameLayout android:layout_gravity="top|bottom|left|right|center_vertical|fill_vertical|center_horizontal|fill_horizontal|center|fill|start|end" android:id="@id/expand_activities_button" android:background="?attr/actionBarItemBackground" android:focusable="true" android:addStatesFromChildren="true" android:layout_width="wrap_content" android:layout_height="match_parent">
<ImageView android:layout_gravity="top|bottom|left|right|center_vertical|fill_vertical|center_horizontal|fill_horizontal|center|fill|start|end" android:id="@id/image" android:layout_width="UNKNOWN_DATA_0x2001" android:layout_height="UNKNOWN_DATA_0x2001" android:layout_marginLeft="12dp" android:layout_marginTop="2dp" android:layout_marginRight="12dp" android:layout_marginBottom="2dp" android:scaleType="fitCenter" android:adjustViewBounds="true" />
</FrameLayout>
<FrameLayout android:layout_gravity="top|bottom|left|right|center_vertical|fill_vertical|center_horizontal|fill_horizontal|center|fill|start|end" android:id="@id/default_activity_button" android:background="?attr/actionBarItemBackground" android:focusable="true" android:addStatesFromChildren="true" android:layout_width="wrap_content" android:layout_height="match_parent">
<ImageView android:layout_gravity="top|bottom|left|right|center_vertical|fill_vertical|center_horizontal|fill_horizontal|center|fill|start|end" android:id="@id/image" android:layout_width="UNKNOWN_DATA_0x2001" android:layout_height="UNKNOWN_DATA_0x2001" android:layout_marginLeft="12dp" android:layout_marginTop="2dp" android:layout_marginRight="12dp" android:layout_marginBottom="2dp" android:scaleType="fitCenter" android:adjustViewBounds="true" />
</FrameLayout>
</view>