ActionMode

example_menu.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">

    <item
        android:id="@+id/option_1"
        android:title="Option 1"
        android:icon="@drawable/ic_delete"/>
    <item
        android:id="@+id/option_2"
        android:title="Option 2"
        android:icon="@drawable/ic_share"/>

</menu>

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <TextView
        android:id="@+id/text_view"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Hello World!"
        android:textSize="30sp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

</androidx.constraintlayout.widget.ConstraintLayout>

public class MainActivity extends AppCompatActivity {

    private ActionMode mActionMode;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        TextView textView = (TextView) findViewById(R.id.text_view);
        textView.setOnLongClickListener(new View.OnLongClickListener() {
            @Override
            public boolean onLongClick(View view) {
                if(mActionMode != null){
                    return false;
                }

                mActionMode = startSupportActionMode(callback);
                System.out.println(123);
                return true;
            }
        });

    }

    private ActionMode.Callback callback = new ActionMode.Callback() {
        @Override
        public boolean onCreateActionMode(ActionMode actionMode, Menu menu) {
            actionMode.getMenuInflater().inflate(R.menu.example_menu,menu);
            actionMode.setTitle("Choose your option");
            return true;
        }

        @Override
        public boolean onPrepareActionMode(ActionMode actionMode, Menu menu) {
            return false;
        }

        @Override
        public boolean onActionItemClicked(ActionMode actionMode, MenuItem menuItem) {
            switch (menuItem.getItemId()){
                case R.id.option_1:
                    Toast.makeText(MainActivity.this, "Option 1 selected", Toast.LENGTH_SHORT).show();
                    actionMode.finish();
                    return true;
                case R.id.option_2:
                    Toast.makeText(MainActivity.this, "Option 2 selected", Toast.LENGTH_SHORT).show();
                    actionMode.finish();
                    return true;

                default:
                    return false;
            }
        }

        @Override
        public void onDestroyActionMode(ActionMode actionMode) {
            mActionMode = null;
        }
    };
}

참고
https://www.youtube.com/watch?v=XhEhfmBJlLY