<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/container" android:layout_width="fill_parent" android:layout_height="fill_parent" android:baselineAligned="false" android:orientation="horizontal" > <FrameLayout android:id="@+id/message_list_container" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_weight="5" /> <View android:id="@+id/message_list_divider" android:layout_width="1px" android:layout_height="fill_parent" android:background="?attr/messageListDividerColor" tools:ignore="PxUsage" /> <FrameLayout android:id="@+id/message_view_container" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_weight="3" /> </LinearLayout>