초기화 값 저장/호출 SharedPreferences

• 개발자/Android 안드로이드개발 값 저장, 호출하는 방법 / SharedPreferences 사용

public class MainActivity extends AppCompatActivity {
    ...

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        init();
    }

    @Override
    protected void onResume() {
        SharedPreferences pref = getSharedPreferences("gostop",Activity.MODE_PRIVATE);
        keep = pref.getInt("keep",0);

        super.onResume();
    }

    @Override
    protected void onPause() {

        SharedPreferences pref = getSharedPreferences("lottoSetting", MainActivity.MODE_PRIVATE);
        SharedPreferences.Editor editor = pref.edit();
        editor.putInt("keep",keep);
        editor.commit();

        super.onPause();
    }
    ....
}