method.java

public class MainActivity extends AppCompatActivity {

    private void hideEditor() {
        // This makes room in the layout
        RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams)editorView.getLayoutParams();
        params.setMargins(0, -1 * editorView.getHeight(), 0, 0);
        editorView.setLayoutParams(params);

        // This shows a nice animation, but won't make room
        ObjectAnimator animY = ObjectAnimator.ofFloat(editorView, View.TRANSLATION_Y, editorView.getHeight() * -1);
        animY.setDuration(500);
        animY.start();
    }
}