integration-tests/TestApp/app/src/main/res/layout/bracket_test.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2015 The Android Open Source Project
  ~ Licensed under the Apache License, Version 2.0 (the "License");
  ~ you may not use this file except in compliance with the License.
  ~ You may obtain a copy of the License at
  ~      http://www.apache.org/licenses/LICENSE-2.0
  ~ Unless required by applicable law or agreed to in writing, software
  ~ distributed under the License is distributed on an "AS IS" BASIS,
  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~ See the License for the specific language governing permissions and
  ~ limitations under the License.
  -->
<layout xmlns:android="http://schemas.android.com/apk/res/android">
    <data>
        <variable name="array" type="String[]"/>
        <variable name="sparseArray" type="android.util.SparseArray&lt;String>"/>
        <variable name="sparseBooleanArray" type="android.util.SparseBooleanArray"/>
        <variable name="sparseIntArray" type="android.util.SparseIntArray"/>
        <variable name="sparseLongArray" type="android.util.SparseLongArray"/>
        <variable name="longSparseArray" type="android.util.LongSparseArray&lt;String>"/>
        <variable name="index" type="int"/>
        <variable name="indexObj" type="Object"/>
        <variable name="obj" type="android.databinding.testapp.vo.BracketObject"/>
    </data>
    <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical"
            >
        <TextView android:layout_width="wrap_content"
                  android:layout_height="wrap_content"
                  android:id="@+id/arrayText"
                  android:text="@{array[index]}"/>

        <TextView android:layout_width="wrap_content"
                  android:layout_height="wrap_content"
                  android:id="@+id/indexObj"
                  android:text="@{array[indexObj]}"/>

        <TextView android:layout_width="wrap_content"
                  android:layout_height="wrap_content"
                  android:id="@+id/sparseArrayText"
                  android:text='@{sparseArray[index]}'/>

        <TextView android:layout_width="wrap_content"
                  android:layout_height="wrap_content"
                  android:id="@+id/sparseArrayTextObj"
                  android:text='@{sparseArray[indexObj]}'/>

        <TextView android:layout_width="wrap_content"
                  android:layout_height="wrap_content"
                  android:id="@+id/sparseBooleanArrayText"
                  android:text='@{"" + sparseBooleanArray[index]}'/>

        <TextView android:layout_width="wrap_content"
                  android:layout_height="wrap_content"
                  android:id="@+id/sparseIntArrayText"
                  android:text='@{"" + sparseIntArray[index]}'/>

        <TextView android:layout_width="wrap_content"
                  android:layout_height="wrap_content"
                  android:id="@+id/sparseLongArrayText"
                  android:text='@{"" + sparseLongArray[index]}'/>

        <TextView android:layout_width="wrap_content"
                  android:layout_height="wrap_content"
                  android:id="@+id/longSparseArrayText"
                  android:text='@{longSparseArray[index]}'/>

        <TextView android:layout_width="wrap_content"
                  android:layout_height="wrap_content"
                  android:id="@+id/bracketMap"
                  android:text='@{obj.map["Hello"]}'/>
    </LinearLayout>
</layout>