lint/libs/lint-tests/src/test/java/com/android/tools/lint/checks/data/res/layout/wrong0dp.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:ignore="HardcodedText" >

    <!-- Vertical Layout -->

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical" >

        <!-- No weight: Always an error -->

        <Button
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:text="Button" />

        <Button
            android:layout_width="wrap_content"
            android:layout_height="0dp"
            android:text="Button" />

        <!--
             0dp not along the orientation axis is wrong;
             here layout_height is okay, layout_width is not
        -->

        <Button
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1.0"
            android:text="Button" />

        <!-- OK -->

        <Button
            android:layout_width="wrap_content"
            android:layout_height="0dp"
            android:layout_weight="1.0"
            android:text="Button" />
    </LinearLayout>

    <!-- Horizontal Layout -->

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="horizontal" >

        <!-- OK -->

        <Button
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1.0"
            android:text="Button" />

        <!-- Not OK -->

        <Button
            android:layout_width="wrap_content"
            android:layout_height="0dp"
            android:layout_weight="1.0"
            android:text="Button" />
    </LinearLayout>

    <!-- No orientation specified, so horizontal -->

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent" >

        <!-- OK -->

        <Button
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1.0"
            android:text="Button" />

        <!-- Not OK -->

        <Button
            android:layout_width="wrap_content"
            android:layout_height="0dp"
            android:layout_weight="1.0"
            android:text="Button" />

        <!-- Check suppressed -->

        <Button
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:text="Button"
            tools:ignore="Suspicious0dp" />
    </LinearLayout>

</FrameLayout>