MainActivity.java

public class MainActivity extends AppCompatActivity {

    TextView datailsText;
    LinearLayout layout;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        datailsText = findViewById(R.id.details); //get the views
        layout = findViewById(R.id.layout); //get the views
        layout.getLayoutTransition().enableTransitionType(LayoutTransition.CHANGING); //give transition type, you can change this based on your need
    }

    public void expand(View view) { //the function that given to onclick event
        int v = (datailsText.getVisibility() == View.GONE) ? View.VISIBLE : View.GONE;
        TransitionManager.beginDelayedTransition(layout, new AutoTransition());
        datailsText.setVisibility(v);
    }
}