<?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" xmlns:bind="http://schemas.android.com/apk/res-auto"> <data> <variable name="myVar" type="String"/> </data> <LinearLayout android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent"> <!-- undefined variable --> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@{myVar}"/> </LinearLayout> </layout>