Example of using "?android:attr/selectableItemBackground" and "?android:attr/selectableItemBackgroundBorderless"

Example to apply "?android:attr/selectableItemBackground" and "?android:attr/selectableItemBackgroundBorderless" to android:background, in XML file.

• ?android:attr/selectableItemBackground for a bounded ripple.
• ?android:attr/selectableItemBackgroundBorderless for a ripple that extends beyond the view. It will be drawn upon, and bounded by, the nearest parent of the view with a non-null background. (introduced in API level 21)

reference: http://developer.android.com/training/material/animations.html#Touch

<LinearLayout
    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:padding="30dp"
    android:orientation="vertical"
    tools:context=".MainActivity">
    <TextView
        android:id="@+id/title"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:autoLink="web"
        android:text="http://android-er.blogspot.com/"
        android:textStyle="bold" />
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:padding="30dp"
        android:orientation="vertical">
        <Button
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="Normal Button"/>
        <Button
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="\?android:attr/selectableItemBackground"
            android:textAllCaps="false"
            android:background="?android:attr/selectableItemBackground" />
        <Button
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="\?android:attr/selectableItemBackgroundBorderless"
            android:textAllCaps="false"
            android:background="?android:attr/selectableItemBackgroundBorderless" />
    </LinearLayout>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:padding="30dp"
        android:orientation="vertical"
        android:background="#80C0C0">
        <Button
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="Normal Button"/>
        <Button
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="\?android:attr/selectableItemBackground"
            android:textAllCaps="false"
            android:background="?android:attr/selectableItemBackground" />
        <Button
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="\?android:attr/selectableItemBackgroundBorderless"
            android:textAllCaps="false"
            android:background="?android:attr/selectableItemBackgroundBorderless" />
    </LinearLayout>
    <ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:src="@mipmap/ic_launcher"
        android:clickable="true"
        android:background="?android:attr/selectableItemBackgroundBorderless" />
    <ImageView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:src="@mipmap/ic_launcher"
        android:clickable="true"
        android:background="?android:attr/selectableItemBackgroundBorderless" />
</LinearLayout>