Develop Reference

Android Recycler View Ripple Effect not working

I am using the following xml drawable as the background of my recyclerview list item.
touch_selector.xml
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_activated="true"
android:drawable="#color/green_text_500"/>
<!-- Default, "just hangin' out" state. The base state also
implements the ripple effect. -->
<item android:drawable="#drawable/touch_selector_base" />
</selector>
touch_selector_base.xml
<ripple xmlns:android="http://schemas.android.com/apk/res/android"
android:color="#color/light_grey">
<item android:id="#android:id/mask" android:drawable="#color/light_grey" />
<item android:drawable="#color/dark_grey"/>
</ripple>
In the list item I am using the touch_selector.xml as follows in my list_item_quote.xml
<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="86dp"
android:gravity="center_vertical"
android:orientation="horizontal"
android:paddingLeft="16dp"
android:paddingRight="16dp"
android:clickable="true"
android:focusable="true"
android:background="#drawable/touch_selector"
>
// layout
</LinearLayout>
SIMILARLY I have another xml drawable touch_selector_dark.xml and touch_selector_base_dark.xml
In my recycler-view-adapter I alternate between these two drawables based on the index. For even indexes I use the darker drawable and for the odd index I use the lighter background to produce an alternating effect. But the issue is that the ripple effect is not working.
Here are the colors:
light_grey = #5b5b5b
dark_grey = #212121
green_text_500 = #37863a

use this line in your recycleview list layout
android:background="?android:attr/selectableItemBackground"

try this
worked for me
android:clickable="true"
android:focusable="true"
android:foreground="?attr/selectableItemBackground"

I think your ripple file is not valid, you can check this:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_pressed="true">
<shape android:shape="rectangle">
<solid android:color="#color/dark_grey"/>
</shape>
</item>
</selector>
You can use android:foreground="#drawable/touch_selector" to display the ripple effect and also use android:background="" to set any other drawable background.

How to make a ripple effect over a linear layout, without overriding the background color on its children?

I have a LinearLayout that looks like this.
I want each row to be clickable. The LinearLayout code for a row looks like this:
<LinearLayout
style="#style/home_menu_item_container"
android:id="#+id/home_menu_acronyms_button"
>
<ImageView
style="#style/home_menu_item_left"
android:background="#color/greyLight"
/>
<TextView
style="#style/home_menu_item_right"
android:text="#string/home_menu_option_2"
android:background="#color/grey"
/>
</LinearLayout>
How can I add a ripple effect that expands over the entire row (parent) - not just one child view in the row? The tricky part here is to let the ripple go over the two colored row.

So far, I found out the easiest way to do so is define a <ripple> in your drawable and then set the background of the LinearLayout to this drawable resource.
Define your drawable-v21/item_selector.xml
<ripple xmlns:android="http://schemas.android.com/apk/res/android"
android:color="#color/your_background_color">
<item android:id="#android:id/mask"
<!--color here doesn't matter-->
android:drawable="#android:color/white" />
</ripple>
Set the background of your LinearLayout to drawable/item_selector.
<LinearLayout
style="#style/home_menu_item_container"
android:background="#drawable/item_selector"
android:id="#+id/home_menu_acronyms_button" >
...
</LinearLayout>
Besides, if you don't have your own background color, then there is no need to define a item_selector at all. You can simply define background as android:background="?android:attr/selectableItemBackground" for your LinearLayout.

It is a little bit complicated for that what you need but I don't think there is another way,...
You need to put your ImageView's into a ListView so that every ImageView is a ListItem and then you can set the ripple but you also need to set drawSelectorOnTop="true" otherwise it won't work correctly

I too faced this problem, finally found a simple solution
In linear Layout just add android:clickable="true";
and set background with ur ripple effect as
android:background="#drawable/ripple_effect"
code:
<LinearLayout
android:clickable="true"
android:background="#drawable/ripple_effect"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<!-- Add your child views here -->
</LinearLayout>
add ripple_effect.xml in drawable
ripple_effect.xml:
<?xml version="1.0" encoding="utf-8"?>
<ripple xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:color="#f87d05c2"
tools:targetApi="lollipop">
<item android:id="#android:id/mask">
<shape android:shape="rectangle">
<solid android:color="#f87d05c2" />
</shape>
</item>
</ripple>

<RelativeLayout
android:id="#+id/rll_privacy_policy"
android:layout_width="match_parent"
android:layout_height="48dp"
android:background="?android:attr/selectableItemBackground"
android:orientation="vertical">
<TextView
android:id="#+id/txt_privacy_policy"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="#dimen/layout_margin_16"
android:text="#string/privacy_policy"
android:layout_centerVertical="true"
android:textColor="#color/link_acc"
android:textSize="#dimen/txt_title_20" />
</RelativeLayout>

Another option is to make the ripple's background color transparent. This way only the ripple can be seen. The ripple's xml file (in your drawable-v21/ folder) is thus:
<-- Ripple in some ghastly color, like bright red so you can see it -->
<ripple
xmlns:android="http://schemas.android.com/apk/res/android"
android:color="#color/red"
>
<!-- background color uses a transparent mask set to full #ffffff (white) -->
<item
android:id="#android:id/mask"
android:drawable="#android:color/white"
/>
Note that if you are supporting pre-lollipop devices, you need to have a dummy file with the same name in your drawable/ folder. An empty selector is sufficient for that file. And remember that those older devices will not ripple.

answer above dont work for me,
here is my solution:
ripple.xml:
<?xml version="1.0" encoding="utf-8"?>
<ripple xmlns:android="http://schemas.android.com/apk/res/android"
android:color="?android:colorControlHighlight">
<item android:id="#android:id/mask">
<shape android:shape="rectangle">
<solid android:color="?android:colorAccent" />
</shape>
</item>
</ripple>
list_item.xml
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<LinearLayout
>
...put het your design
</LinearLayout>
<View
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#drawable/ripple" />
</FrameLayout>

How to create ripple effect in simple layout

How can I have a ripple effect in a simple linear/relative layout when touching the layout?
I've tried setting the background of a layout to something like:
<?xml version="1.0" encoding="utf-8"?>
<ripple xmlns:android="http://schemas.android.com/apk/res/android"
android:color="?android:colorControlHighlight" >
<item android:drawable="#android:color/white"/>
</ripple>
However I'm only seeing a plain white background and no ripple effect when touching the layout. What am I doing wrong?
Edit:
For reference, here is my layout xml file:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="250dp"
android:layout_height="250dp"
android:background="#drawable/test"
android:clickable="true">
</RelativeLayout>

Set these properties on your layout (if your layout has the default white/light background):
android:clickable="true"
android:focusable="true"
android:background="?attr/selectableItemBackground"
You don't need a custom drawable in this case.
However, if your layout has a black/dark background, you'd have to create your own ripple drawable like this one:
<?xml version="1.0" encoding="utf-8"?>
<!-- An white rectangle ripple. -->
<ripple xmlns:android="http://schemas.android.com/apk/res/android"
android:color="#android:color/white">
<item
android:id="#android:id/mask"
android:gravity="center">
<shape android:shape="rectangle">
<solid android:color="#android:color/white"/>
</shape>
</item>
</ripple>
And then set this ripple drawable as your android:background property.
You can see many examples of these types of ripples in AOSP: in here

I'm adding this in addition to Igor Ganapolsky's answer in case anyone wants to have a layout with different color and also have a ripple effect. You simply create a ripple effect in drawables like this:
ripple.xml
<?xml version="1.0" encoding="utf-8"?>
<ripple xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:color="#color/rippleColor"
tools:targetApi="lollipop"> <!-- ripple effect color -->
<item android:id="#android:id/background">
<shape android:shape="rectangle">
<solid android:color="#color/backgroundColor" /> <!-- background color -->
</shape>
</item>
</ripple>
then give it as your layout's background or any button as Igor Ganapolsky mentioned in his answer.
android:clickable="true"
android:background="#drawable/ripple"

You have to alter following code snippet in any widget(TextView/Button) and you can implement Ripple Effect:
android:clickable="true"
android:focusable="true"
android:foreground="?attr/selectableItemBackground"
And you are good to go.

It turns out this is working as intended. The standard Material theme colorControlHighlight value is #40ffffff. So on a white background, this will not show up. Changing the highlight color to something else works, and/or changing the background color of the object.
Thanks all (especially Alanv for pointing me in the right direction).

This is an example for clicking on a sample layout with ripple effect :
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="?attr/selectableItemBackground"
android:clickable="true"
android:focusable="true"
android:orientation="vertical">

Set android:clickable="true" on your layout.

<?xml version="1.0" encoding="utf-8"?>
<ripple xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:color="#cfd8dc"
tools:targetApi="lollipop">
<item android:id="#android:id/mask">
<shape android:shape="rectangle">
<solid android:color="#d1c4e9" />
</shape>
</item>
</ripple>
Use this ripple.xml in Drawable folder, then assign it as View's
android:background="#drawable/ripple"
android:clickable="true"

Simply add default ripple effect with android:background="?selectableItemBackground"
Like:
<LinearLayout
android:layout_width="match_parent"
android:layout_height="100dp"
android:background="?selectableItemBackground"
android:clickable="true"
>
...
</LinearLayout>

Put this into your layout:
android:clickable="true"
android:background="?attr/selectableItemBackground"
Note: There is a bug in API documentation. It will work only on API >= 23
For all API levels use this Solution

I tries all those answers and nothing worked to me, so, I solved creating the following style:
<style name="Button.Borderless" parent="Base.Widget.AppCompat.Button.Borderless">
<item name="android:minHeight">0dp</item>
<item name="android:minWidth">0dp</item>
<item name="android:layout_marginLeft">-6dp</item>
<item name="android:layout_marginRight">-6dp</item>
<item name="android:paddingTop">0dp</item>
<item name="android:paddingBottom">0dp</item>
<item name="android:paddingLeft">6dp</item>
<item name="android:paddingRight">6dp</item>
</style>
And then, I applied to my linear layout:
<LinearLayout
android:id="#+id/ll_my_ripple"
style="#style/Button.Borderless">
</LinearLayout>

To make a circlar effect use the below code:
android:clickable="true"
android:background="?attr/selectableItemBackgroundBorderless"

Selector in Custom View With 9 Patch Image Background

I have problem with implementing selector in custom view. I have searched it for the last 1 hour but I could not find the solution. I have custom view with imageview, some textviews and nine patch background but the problem is when it's on pressed state, the color of selector doesn't cover the image view.
For the implementation, I'm using background selector for the layout and I just change the 9 patch image on pressed and un-pressed state, then disable default selector in listview.
Do you have any better solution? I see in google play, the blue selector covers all of the views and that is what I want.
For the xml,
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#drawable/touch_selector"
android:orientation="horizontal"
android:padding="16dp" >
<ImageView />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<TextView />
<TextView />
</LinearLayout>
</LinearLayout>
And for the touch selector
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="#drawable/card_background_pressed" android:state_focused="true"/>
<item android:drawable="#drawable/card_background_pressed" android:state_pressed="true"/>
<item android:drawable="#drawable/card_background_white" android:state_focused="false" android:state_pressed="false"/>
</selector>
where card_background is 9 patch image.
EDIT :
This is the example from google play,

The accepted is not correct.
It's possible to use a nine-path in the selector, you just need to use the <nine-patch>. Something like this:
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_selected="true">
<nine-patch
android:src="#drawable/marker"/>
</item>
<item>
<shape>
<solid android:color="#000000" />
</shape>
</item>
</selector>

Android: why am i unable to use a selector for TextView background

My selector is:
<item android:state_pressed="true" android:color="#color/bg_grey"/>
<item android:state_focused="true" android:color="#color/bg_grey"/>
<item android:color="#color/white"/>
and i have my TextView as:
<TextView
android:id="#+id/tv"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:background="#drawable/textview_selector"
android:padding="5dp"
android:text="Some Text"
android:textColor="#color/text_grey"
android:textSize="16dp" />
This way i am getting:
android.view.InflateException: Binary xml file line #68: Error inflating class <unknown>
if i am using this selector as android:textColor="#drawable/textview_selector" its working fine

The problem here is that you cannot define the background color using a color selector, you need a drawable selector. So, the necessary changes would look like this:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:state_pressed="true"
android:drawable="#drawable/selected_state" />
</selector>
You would also need to move that resource to the drawable directory where it would make more sense since it's not a color selector per se.
Then you would have to create the res/drawable/selected_state.xml file like this:
<?xml version="1.0" encoding="UTF-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<solid android:color="#color/bg_grey" />
</shape>
and finally, you would use it like this:
android:background="#drawable/selector"

You are defining Color in place of a background Drawable in Selectors xml,try with backgrounds
drawable

you just need to ensure the colors are in colors.xml file and do not put the hex colors directly into the selector items.
my_selector.xml:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="#color/category_item_selected_color" android:state_selected="true"/>
<item android:drawable="#color/category_item_selected_color" android:state_pressed="true"/>
<item android:drawable="#color/white" />
</selector>
and make your textview look like this:
<TextView
android:id="#+id/tv_name"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:letterSpacing="0.05"
android:textColor="#000000"
android:gravity="center"
android:textSize="17sp"
tools:text="New In"
android:clickable="true"
android:focusable="true"
android:focusableInTouchMode="true"
android:background="#drawable/my_selector"
android:layout_gravity="center"
/>