fix

            @Override

            public void onClick(View view) {

                // switch back to main activity

                Intent intent = new Intent(ArtActivity.this, StartActivity.class);

                Intent intent = new Intent(ArtActivity.this, MainActivity.class);

                startActivity(intent);

            }

        });

                android:layout_marginStart="10dp"

                android:layout_centerHorizontal="true"

                android:fontFamily="@font/press_start_2p"

                android:text="(press sync to sync data)"

                android:text="(press sync data)"

                android:textSize="10dp" />