Android Chips – Material Component For Android

Android Chips – Material Component For Android

Android Chips are one of the components of the Material Design library. A Material Chip is a component that can represent the input, filter, choice, or action of a user.

A Material Chip represents a complex entity in a small block, such as a contact. It is a rounded button that consists of a label, an optional chip icon, and an optional close icon. A chip can either be clicked or toggled if it is checkable.

Chips may be placed in a, which can be configured to layout its chips in a single horizontal line or reflowed across multiple lines. If a chip group contains checkable chips, it can also control the multiple-exclusion scope for its set of chips so that checking one chip unchecks all other chips in the group. —

This is my sample app using Android chips,

Setup Material Chips in your Android Studio

To use Chips, your project needs to have material components dependency.

implementation ''
Code language: JavaScript (javascript)

Also, set your app theme such that it inherits one of the Material Components themes.

<style name="AppTheme" parent="Base.Theme.MaterialComponents.Light"> <!-- Customize your theme here. --> <item name="colorPrimary">@color/colorPrimary</item> <item name="colorPrimaryDark">@color/colorPrimaryDark</item> <item name="colorAccent">@color/colorAccent</item> </style>
Code language: HTML, XML (xml)


The Chip widget provides a complete implementation of Material Design’s chip component. Example code of how to include the widget in your layout:

< android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/hello_world"/>
Code language: HTML, XML (xml)

Types Of Material Chip

There are four types of chips: Entry (Input) Chips, Filter Chips, Choice Chips, and Action Chips. Chips are generally used with ChipGroup which is to hold a number of chips.

1. Entry (Input) Chips

An entry chip is used to display captured user input in a non-editable format. It’s a very nice way to showcase the user input.

One of the most obvious usages of the Android Entry chip is shown in the Gmail app. Particularly the email input experience- when an email is entered by the user, it is showcased as an entry chip, sort of a pill-shaped layout.

Now according to the material design, this element should be an Android Chip with the style of ‘Entry’. This chip can also have a close icon along with a chip icon. Generally, this type of chip is contained in a ChipGroup.

ChipGoup class is similar to the RadioGroup class, as it is used to hold multiple chips. It has the property to display all the chips in a single line.

< android:id="@+id/chip_group" android:layout_width="0dp" android:layout_height="wrap_content"/>
Code language: HTML, XML (xml)

Adding text to Entry Chip programmatically.

private fun addChipToGroup(person: String) { val chip = Chip(context) chip.text = person chip.chipIcon = ContextCompat.getDrawable(requireContext(), R.drawable.ic_launcher_background) chip.isChipIconVisible = false chip.isCloseIconVisible = true // necessary to get single selection working chip.isClickable = true chip.isCheckable = false chip_group.addView(chip as View) chip.setOnCloseIconClickListener { chip_group.removeView(chip as View) }}
Code language: JavaScript (javascript)
Entry Chips

2. Filter Chip

Filter chips would start acting as a radio button. This means in a way only one selection can be made at a time. This functionality is achieved by adding all the filter chips in a ChipGroup and setting the property app:singleSelection=”true” of Chip Group.

< android:layout_width="0dp" android:layout_height="wrap_content" app:singleSelection="true" app:layout_constraintEnd_toEndOf="parent" android:layout_marginEnd="8dp" app:layout_constraintStart_toStartOf="parent" android:layout_marginStart="8dp" android:id="@+id/chip_group_filter" app:layout_constraintTop_toBottomOf="@+id/text_filter" > < style="@style/Widget.MaterialComponents.Chip.Filter" android:layout_width="wrap_content" android:text="Fast Delivery" android:layout_height="wrap_content" android:id="@+id/chip2" /> < style="@style/Widget.MaterialComponents.Chip.Filter" android:layout_width="wrap_content" android:text="Pickup" android:layout_height="wrap_content" android:id="@+id/chip3" /> < style="@style/Widget.MaterialComponents.Chip.Filter" android:layout_width="wrap_content" android:text="Best Offer" android:layout_height="wrap_content" android:id="@+id/chip4" /> < style="@style/Widget.MaterialComponents.Chip.Filter" android:layout_width="wrap_content" android:text="Fast Selling" android:layout_height="wrap_content" android:id="@+id/chip5" /> </>
Code language: HTML, XML (xml)

Click Listener for the Filter Chip group,

chip_group_filter.setOnCheckedChangeListener { group, checkedId -> val chip: Chip? = group.findViewById(checkedId) chip?.let {chipView -> val predicate: (Items) -> Boolean = {item-> item.category == chipView.text } val filter = prepareData().filter(predicate) adapter?.setData(filter) } ?: { adapter?.setData(prepareData()) } }
Code language: JavaScript (javascript)
Filter Chips

3. Choice Chip

The choice chip allows the user to select only one of the available options just like the filter chips. But with one difference, it does not have a check icon on it.

Instead according to material design guidelines, it displays the selection with a change of color, when it is selected. If you wish you can use chipIcon this chip.

defining the choice chip in XML.

< android:layout_width="0dp" app:singleSelection="true" android:layout_height="wrap_content" android:layout_marginTop="8dp" app:layout_constraintTop_toTopOf="parent" app:layout_constraintStart_toStartOf="parent" android:layout_marginStart="8dp" app:layout_constraintEnd_toEndOf="parent" android:layout_marginEnd="8dp" android:id="@+id/chip_group_choice" > < android:layout_width="wrap_content" android:text="Soft" style="@style/Widget.MaterialComponents.Chip.Choice" android:layout_height="wrap_content" android:id="@+id/chip1" /> < android:layout_width="wrap_content" android:text="Extra Soft" style="@style/Widget.MaterialComponents.Chip.Choice" android:layout_height="wrap_content" android:id="@+id/chip2" /> < android:layout_width="wrap_content" android:text="Medium" style="@style/Widget.MaterialComponents.Chip.Choice" android:layout_height="wrap_content" android:id="@+id/chip3" /> < android:layout_width="wrap_content" android:text="Hard" style="@style/Widget.MaterialComponents.Chip.Choice" android:layout_height="wrap_content" android:id="@+id/chip4" /> </>
Code language: HTML, XML (xml)

handling ChoiceChip selection on chip group.

chip_group_choice.setOnCheckedChangeListener { group, checkedId -> val chip: Chip? = group.findViewById(checkedId) chip?.let {chipView -> Toast.makeText(context, chip.text, Toast.LENGTH_SHORT).show() } ?: { } }
Choice Chips

4. Action Chip (Default)

It’s a single actionable chip, in short, it’s an alternative to the button widget. If you have to perform an action, based on the user’s tap, this is the chip that you should use. Generally, this type of chip is placed after the content of the page and is used as a clickable, just like a button.

< android:layout_width="0dp" android:layout_height="wrap_content" android:id="@+id/chip_group_action" android:padding="10dp" app:singleLine="true" app:singleSelection="true" app:chipSpacingHorizontal="10dp" style="@style/Widget.MaterialComponents.Chip.Action" > < android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/chip_alarm" style="@style/Widget.MaterialComponents.Chip.Action" android:text="Set Alarm" app:chipIcon="@drawable/ic_access_alarm_black_24dp" /> < android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/chip_music" android:text="Play Music" style="@style/Widget.MaterialComponents.Chip.Action" app:chipIcon="@drawable/ic_music_note_black_24dp" /> < android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/chip_call" android:text="Call to Friend" style="@style/Widget.MaterialComponents.Chip.Action" app:chipIcon="@drawable/ic_call_black_24dp" /> < android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/chip_message" android:text="Send Message" style="@style/Widget.MaterialComponents.Chip.Action" app:chipIcon="@drawable/ic_message_black_24dp" /> </>
Code language: HTML, XML (xml)

Implementation click listener for the ActionChips.

chip_alarm.setOnClickListener { Toast.makeText(context, "Alarm", Toast.LENGTH_SHORT).show() } chip_music.setOnClickListener { Toast.makeText(context, "Music", Toast.LENGTH_SHORT).show() } chip_call.setOnClickListener { Toast.makeText(context, "Call", Toast.LENGTH_SHORT).show() } chip_message.setOnClickListener { Toast.makeText(context, "Message", Toast.LENGTH_SHORT).show() }
Code language: JavaScript (javascript)
Action Chips

Android Chips Attributes

Chip Icon

Chip Icon

app:chipIconVisible — visibility of the chip icon.
app:chipIcon — drawable icon to show at the start of the chip.
app:chipIconSize — the size of the chip icon.

Click listener for the clip icon,

chip.setOnClickListener { // Handle chip click }
Code language: JavaScript (javascript)

Close Icon

Chip Close Icon

app:closeIconVisible — visibility of the close icon.
— drawable icon shown at end of the chip.
app:closeIconSize — the size of the close icon.

Click listener for the close icon,

chip.setOnCloseIconClickListener { // Handle chip close icon click }
Code language: JavaScript (javascript)

Checked Icon

Checked Icon

android:checkable — Whether or not checkable tapping is enabled.
app:checkedIconVisible — visibility of the checked icon.
app:checkedIcon — drawable to show after the user toggled the chip button.

Click listener for the checked icon,

chip.setOnCheckedChangeListener { chip, isChecked -> // Handle chip checked/unchecked }
Code language: JavaScript (javascript)


chipBackgroundColor — used to customize the chip background.
textColor — customize the text color.
chipIconTint — the color of the Chip icons can be customized
closeIconTint — Color of the close icon in the chip.
hipStrokeColor — 
stroke color of the chip.

Android ChipGroup Attributes

singleLine — Put all the Chips under the chip group in a single line.

< android:id="@+id/chip_group_filter" android:layout_width="0dp" android:layout_height="wrap_content" app:singleLine="true">
Code language: HTML, XML (xml)
Single Line Chip Group

chipSpacingVertical — Vertical space between two chips in the chip group.

< android:id="@+id/chip_group_filter" android:layout_width="0dp" android:layout_height="wrap_content" app:chipSpacingVertical="40dp">
Code language: HTML, XML (xml)

chipSpacingHorizontal — Horizontal space between two chips.

< android:id="@+id/chip_group_filter" android:layout_width="0dp" android:layout_height="wrap_content" app:chipSpacingHorizontal="40dp">
Code language: HTML, XML (xml)

singleSelection –The singleSelection the attribute can be set to true on a ChipGroup in order to toggle the single-select and multi-select behavior of child Chips.

selectionRequired — The selectionRequired the attribute can be set to true on a ChipGroup to prevent all child Chips from being deselected.

That’s all. Done with the Android chip explanation.

You can download my Android Chips Material Design example on Github.

Check my other example using Material design.

Android Snackbar Example

Cardview Android Example [Beginners]

Android Navigation Drawer Explained [Step By Step]

Bottom Sheets – Material Components for Android


Thanks for reading. Please try Material chips in your application. And let me know your feedback in the comments.






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