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MaterialChipsInput with AndroidX support

Implementation of Material Design Chips component for Android. The library provides two views : ChipsInput and ChipView.

Setup

In your project level build.gradle :

allprojects {
    repositories {
        ...
        maven { url "https://jitpack.io" }
    }
}       

In your app level build.gradle :

dependencies {
    implementation 'com.github.karanatwal:MaterialChipsInput:2.0.0'
}      

ChipsInput

This view implements the Material Design Contact chips component.

It is composed of a collection of chips (ChipView) and an input (EditText). Touching a chip open a full detailed view (if non disable). The GIF above describes the behavior of the ChipsInput view.

But everything is configurable (optional avatar icon, optional full detailed view, ...) so you can use the ChipsInput view for non contact chips.

Basic Usage

XML

Use the ChipsInput view in your layout with default options :

<com.materialchips.ChipsInput
        android:id="@+id/chips_input"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:hint="Enter a name" />

You can also customize it (see all attributes) :

<com.materialchips.ChipsInput
        android:id="@+id/chips_input"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:hint="Enter a name"
        app:hintColor="@color/customColor"
        app:textColor="@color/customColor"
        app:maxRows="3"
        app:chipBackground="@drawable/my_custom_bg"
        app:chip_labelColor="@color/customColor"
        app:chip_hasAvatarIcon="true"
        app:chip_backgroundColor="@color/customColor"
        app:chip_deletable="false"
        app:isHorizontal="false"
        app:chip_deleteIconColor="@color/customColor"
        app:chip_detailed_textColor="@color/customColor"
        app:chip_detailed_backgroundColor="@color/customColor"
        app:chip_detailed_deleteIconColor="@color/customColor"
        app:filterable_list_backgroundColor="@color/customColor"
        app:filterable_list_textColor="@color/customColor" />

Suggestions

You can pass a List<? extends ChipInterface> object, which represents your suggestions, to the ChipsInput view, so it will work as a MultiAutoCompleteTextView :

1. Create a class that implements ChipInterface (or use directly the Chip class included in the library) :

public class ContactChip implements ChipInterface {
    ...
}

2. Then in your activity, or anything else, build your suggestion list of ContactChip (or Chip) and pass it to the ChipsInput view :

// get ChipsInput view
ChipsInput chipsInput = (ChipsInput) findViewById(R.id.chips_input);

// build the ContactChip list
List<ContactChip> contactList = new ArrayList<>();
contactList.add(new ContactChip()); 
...

// pass the ContactChip list
chipsInput.setFilterableList(contactList);

Get the selected list

When you want you can get the current list of chips selected by the user :

// get the list
List<ContactChip> contactsSelected = (List<ContactChip>) chipsInput.getSelectedChipList();

That's it, there is nothing more to do.

Advanced Usage

ChipsListener

The ChipsInput view provides a listener to interact with the input :

chipsInput.addChipsListener(new ChipsInput.ChipsListener() {
            @Override
            public void onChipAdded(ChipInterface chip, int newSize) {
                // chip added
                // newSize is the size of the updated selected chip list
            }

            @Override
            public void onChipRemoved(ChipInterface chip, int newSize) {
                // chip removed
                // newSize is the size of the updated selected chip list
            }

            @Override
            public void onTextChanged(CharSequence text) {
                // text changed
            }
        });

Add and remove chips manually

You don't have to pass a List<? extends ChipInterface> to the ChipsInput view and you can do the trick manually. Thanks to the ChipsListener you can be notified when the user is typing and do your own work.

ChipsInput chipsInput = (ChipsInput) findViewById(R.id.chips_input);

Add a chip

There are multiple implementations :

chipsInput.addChip(ChipInterface chip);
// or
chipsInput.addChip(Object id, Drawable icon, String label, String info);
// or
chipsInput.addChip(Drawable icon, String label, String info);
// or
chipsInput.addChip(Object id, Uri iconUri, String label, String info);
// or
chipsInput.addChip(Uri iconUri, String label, String info);
// or
chipsInput.addChip(String label, String info);

Remove a chip

There are multiple implementations :

chipsInput.removeChip(ChipInterface chip);
// or
chipsInput.removeChipById(Object id);
// or
chipsInput.removeChipByLabel(String label);
// or
chipsInput.removeChipByInfo(String info);

After you added or removed a chip the ChipsListener will be triggered.

Get the selected list

When you want you can get the current list of chips selected by the user :

// get the list
List<ChipInterface> contactsSelected = chipsInput.getSelectedChipList();

ChipsInput attributes

Attribute	Type	Description	Default
app:hint	string	Hint of the input when there is no chip	null
app:isHorizontal	boolean	Set orientation of Chips horizontally in single line	false
app:hintColor	color	Hint color	android default
app:textColor	color	Text color when user types	android default
app:maxRows	int	Max rows of chips	2
app:chip_labelColor	color	Label color of the chips	android default
app:chip_hasAvatarIcon	boolean	Whether the chips have avatar icon or not	true
app:chip_deletable	boolean	Whether the chips are deletable (delete icon) or not	false
app:chip_deleteIconColor	color	Delete icon color of the chips	white/black
app:chip_backgroundColor	color	Background color of the chips	grey
app:showChipDetailed	boolean	Whether to show full detailed view or not when touching a chip	true
app:chip_detailed_textColor	color	Full detailed view text color	white/balck
app:chip_detailed_backgroundColor	color	Background color of the full detailed view	colorAccent
app:chip_detailed_deleteIconColor	color	Delete icon color of the full detailed view	white/black
app:filterable_list_backgroundColor	color	Background color of the filterable list of suggestions	white
app:filterable_list_textColor	color	Text color of the filterable list of suggestions	black

ChipView

This view implements the chip component according to the Material Design guidelines with configurable options (background color, text color, ...).

Usage

<com.materialchips.ChipView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            app:label="Chip 1" />
            
<com.materialchips.ChipView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                app:label="Chip 4"
                app:hasAvatarIcon="true" />

<com.materialchips.ChipView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                app:label="Chip 6"
                app:labelColor="@android:color/white"
                app:avatarIcon="@drawable/avatar"
                app:backgroundColor="@android:color/holo_blue_light"
                app:deletable="true"
                app:deleteIconColor="@android:color/white" />
    

ChipView attributes

Attribute	Type	Description	Default
app:label	string	Label of the chip	null
app:labelColor	color	Label color of the chip	android default
app:hasAvatarIcon	boolean	Whether the chip has avatar icon or not	false
app:avatarIcon	drawable	Avatar icon resource	null
app:chipBackground	drawable	Chip background resource	material chip default
app:deletable	boolean	Whether the chip is deletable (delete icon) or not	false
app:deleteIconColor	color	Delete icon color of the chip	grey
app:backgroundColor	color	Background color of the chip	grey

Listeners

ChipView chip = (ChipView) findViewById(R.id.chip_view);

On chip click listener :

chip.setOnChipClicked(new View.OnClickListener() {
    @Override
    public void onClick(View view) {
        // handle click    
    }
});

On delete button click listener :

chip.setOnDeleteClicked(new View.OnClickListener() {
    @Override
    public void onClick(View view) {
        // handle click     
    }
});

Credits

• Material Chips Input

License

Copyright 2017 karanatwal

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.