This project contains modified and reduced type of Android Open Source Project (RecipientEditText.java)
In your activity add this.
suggestions.add(new ChipItem(1, "Suggest1"));
suggestions.add(new ChipItem(2, "Suggest2"));
suggestions.add(new ChipItem(3, "Suggest3"));
suggestions.add(new ChipItem(4, "Suggest4"));
suggestions.add(new ChipItem(5, "Suggest5"));
chips.add("Chip1");
chips.add("Chip2");
chips.add("Chip3");
chips.add("Chip4");
chips.add("Chip5");
SuggestionsAdapter suggestionsAdapter
= new SuggestionsAdapter(this, suggestions);
chipsInput.setmChipAllowDuplicate(false);
chipsInput.setThreshold(2);
chipsInput.setAdapter(suggestionsAdapter);
chipsInput.setChipsList(chips);
Then create your xml files and add this.
<co.djuraev.chipsinput.chips.RecipientEditTextView
android:id="@+id/tag_input"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@null"
android:hint="Input tags"
android:paddingBottom="16dp"
android:paddingEnd="16dp"
android:paddingLeft="16dp"
android:paddingRight="16dp"
android:paddingStart="16dp"
android:paddingTop="16dp"
android:scrollbars="vertical"
android:textAllCaps="false"
android:textColor="#8f000000"
android:textColorHint="#aeaeae"
android:textSize="16sp"
app:chipBackground="@drawable/chip_background_drawable"
app:chipBackgroundPressed="@drawable/chip_background_drawable_pressed"
app:chipDelete="@drawable/baseline_cancel_white_48dp"
app:chipIcon="@drawable/ic_contact_picture"
app:chipAllowDuplicate="true"
/>