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Material Design Components Chips in Android with Example

Chips in Material Design are used to represent complex entities in small blocks, such as a contact. They can be static, or they can be interactive. Interactive chips can be selectable, filterable, or actionable.

1. Add Dependency

Ensure that you have the Material Components library added to your build.gradle:

implementation 'com.google.android.material:material:1.4.0'

2. Add Chip to Your Layout

Here's a basic example of different types of chips:

2.1. Entry Chip:

<com.google.android.material.chip.Chip
    android:id="@+id/entryChip"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Entry Chip"
    android:checkable="true"
    android:clickable="true"
    android:focusable="true"
    app:chipIcon="@drawable/ic_launcher_foreground"/>

2.2. Choice Chip:

<com.google.android.material.chip.ChipGroup
    android:layout_width="wrap_content"
    android:layout_height="wrap_content">

    <com.google.android.material.chip.Chip
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Option 1"
        android:checkable="true"
        android:clickable="true"
        android:focusable="true"/>

    <com.google.android.material.chip.Chip
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Option 2"
        android:checkable="true"
        android:clickable="true"
        android:focusable="true"/>

</com.google.android.material.chip.ChipGroup>

2.3. Action Chip:

<com.google.android.material.chip.Chip
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Action Chip"
    android:clickable="true"
    android:focusable="true"/>

2.4. Filter Chip:

<com.google.android.material.chip.Chip
    android:id="@+id/filterChip"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Filter Chip"
    app:chipIcon="@drawable/ic_launcher_foreground"
    android:checkable="true"
    android:clickable="true"
    android:focusable="true"/>

3. Handle Chip Interactions in Code:

In Kotlin, you can handle interactions with the Chip component just like any other Android View:

val entryChip: Chip = findViewById(R.id.entryChip)
entryChip.setOnCheckedChangeListener { chip, isChecked ->
    // Handle chip checked state change
}

4. Styling and Attributes:

Chips come with various attributes that allow customization:

  • app:chipBackgroundColor: Sets the chip's background color.
  • app:chipStrokeWidth and app:chipStrokeColor: Define a border for the chip.
  • app:chipIcon: Sets an icon for the chip.
  • app:closeIcon: Sets an icon that will appear on the right side of the chip, typically used for removal action.
  • app:chipSpacingHorizontal and app:chipSpacingVertical: Define spacing between chips when inside a ChipGroup.

And many more attributes for further customization.

Chips offer a compact way to display choice sets, filters, or actions. When using them, always keep in mind their primary purpose: to represent a small piece of information, like an attribute or an action. Don't overload chips with too much information, as they are designed for simplicity and clarity.

  1. Using Material Components Library for Android Chips:

    • The Material Components Library provides the Chip widget for implementing chips in Android. Include the library in your build.gradle file.
    implementation 'com.google.android.material:material:1.5.0'

  2. Creating chip layouts in Android with Material Design:

    • Create chips using the Chip widget. Customize appearance and behavior using attributes such as android:text, app:chipBackgroundColor, and app:closeIcon.
    <com.google.android.material.chip.Chip
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Android"
    app:chipBackgroundColor="@color/colorPrimary"
    app:closeIcon="@drawable/ic_close" />

  3. Android ChipGroup example with Material Design:

    • Use the ChipGroup widget to group multiple chips together. This allows for easy handling of selection and filtering.
    <com.google.android.material.chip.ChipGroup
    android:layout_width="wrap_content"
    android:layout_height="wrap_content">

    <com.google.android.material.chip.Chip
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Java" />

    <com.google.android.material.chip.Chip
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Kotlin" />
</com.google.android.material.chip.ChipGroup>

  4. Customizing Material Design Chips in Android:

    • Customize chips by adjusting attributes such as text appearance, background color, and close icon.
    <com.google.android.material.chip.Chip
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Custom Chip"
    android:textAppearance="@style/TextAppearance.AppCompat.Small"
    app:chipBackgroundColor="@color/customColor"
    app:closeIcon="@drawable/custom_close_icon" />

  5. Handling chip interactions and events in Android:

    • Handle chip interactions by setting click listeners or using setOnCheckedChangeListener for ChipGroup.
    chip.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        // Handle chip click
    }
});

chipGroup.setOnCheckedChangeListener(new ChipGroup.OnCheckedChangeListener() {
    @Override
    public void onCheckedChanged(ChipGroup group, int checkedId) {
        // Handle chip selection in ChipGroup
    }
});

  6. Filtering and selecting options with Android Chips:

    • Use chips for filtering or selecting options by changing their appearance based on the selected state.
    <com.google.android.material.chip.Chip
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Filter Option"
    app:checked="true" />

  7. Working with different chip types in Android Material Design:

    • Material Design supports different chip types, such as choice chips, filter chips, and action chips. Use the appropriate attributes for each type.
    <com.google.android.material.chip.Chip
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Choice Chip"
    style="@style/Widget.MaterialComponents.Chip.Choice" />

  8. Material Design Chips XML layout examples in Android:

    • Use XML layouts to define chips individually or within chip groups, adjusting their attributes as needed.
    <com.google.android.material.chip.ChipGroup
    android:layout_width="wrap_content"
    android:layout_height="wrap_content">

    <com.google.android.material.chip.Chip
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Chip 1" />

    <com.google.android.material.chip.Chip
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Chip 2" />
</com.google.android.material.chip.ChipGroup>
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