RecipeA.java
public void onTimerClicked(View v) {
    Intent intent = new Intent(getApplicationContext(), TimerActivity.class);
    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_SINGLE_TOP);
    startActivityForResult(intent, 0);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    if(resultCode == RESULT_OK && requestCode == 0) {
        RecipeA.mViewPager.setCurrentItem(6);
    }
    else
        RecipeA.mViewPager.setCurrentItem(4);
} 
TimerActivity.java
public class TimerActivity extends Activity{
    private CountDownTimer countDownTimer;
    private boolean timerHasStarted = false;
    private Button button;
    private TextView tvtimer;
    private long starttime = 1800 * 1000;
    private final long interval = 1 * 1000;
    private int secs;
    private int minutes;
    private int seconds;
    private long remainingmillisec;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        WindowManager.LayoutParams layoutParams = new WindowManager.LayoutParams();
        layoutParams.flags = WindowManager.LayoutParams.FLAG_DIM_BEHIND;
        layoutParams.dimAmount = 0.7f;
        getWindow().setAttributes(layoutParams);
        setContentView(R.layout.activity_timer);
        tvtimer = (TextView) findViewById(R.id.tv_timer);
        button = (Button) findViewById(R.id.button);
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View arg0) {
                if (!timerHasStarted) {
                    Log.d("Starttime", "KK" + starttime);
                    countDownTimer = new MyCountDownTimer(starttime, interval);
                    secs = (int) (starttime / 1000);
                    minutes = (secs % (60 * 60) / 60);
                    seconds = (secs % (60 * 60) % 60);
                    tvtimer.setText("" + String.format("%02d", minutes) + ":" + String.format("%02d", seconds));
                    countDownTimer.start();
                    timerHasStarted = true;
                    button.setText("멈추기");
                } else {
                    starttime = remainingmillisec;
                    Log.d("StoTime", "KK" + starttime);
                    countDownTimer.cancel();
                    timerHasStarted = false;
                    button.setText("시작하기");
                }
            }
        });
    }
    public class MyCountDownTimer extends CountDownTimer {
        public MyCountDownTimer(long starttime, long interval) {
            super(starttime, interval);
        }
        @Override
        public void onFinish() {
            Intent intent = getIntent();
            tvtimer.setText("시간종료");
            setResult(RESULT_OK, intent);
            finish();
        }
        public void resume(){}
        @Override
        public void onTick(long millisUntilFinished) {
            remainingmillisec = millisUntilFinished;
            secs = (int)(millisUntilFinished / 1000);
            minutes = (secs%(60*60)/60);
            seconds = (secs % (60 * 60) % 60);
            tvtimer.setText("" + String.format("%02d", minutes) + ":" + String.format("%02d", seconds));
        }
    }
}
requestCode 체크 이후에도 setCurrentItem(4)가 실행됩니다 ..
- 원하는 것은 타이머 버튼이 눌러지면 타이머가 자동으로 실행되고,
시간이 종료되어 타이머 액티비티가 종료되면 setCurrentItem(6)으로 이동하게 하고 싶습니다
다시 한 번 조언 부탁드립니다 ㅠㅠㅠㅠㅠㅠ