[안드로이드] Switch 버튼 사용법

 

off

on

public class MainActivity extends AppCompatActivity {

    int nChecked = 0;

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

        Switch switchButton = findViewById(R.id.sw_opt);
        switchButton.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton compoundButton, boolean isChecked) {
                if (isChecked) {
                	// switchButton이 체크된 경우
                    nChecked = 1;
                } else {
                	// switchButton이 체크되지 않은 경우
                    nChecked = 0;
                }
            }
        });

    }
   ...