[Android] ViewPager 뷰페이저 사용하기

[Main_Activity.java]

public class Main_Activity extends AppCompatActivity {
    ViewPager vp;
 
 
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
        vp = (ViewPager)findViewById(R.id.main_vp);
        vp.setAdapter(new MainPagerAdapter(getSupportFragmentManager()));
        vp.setCurrentItem(0); // 앱 실행 시 첫 페이지로 로드
    
    } // End of onCreate
}

[MainPagerAdapter.java]

 
public class MainPagerAdapter extends FragmentStatePagerAdapter{
 
    private static byte Page = 1; // 페이지 개수
 
    public MainPagerAdapter(FragmentManager fm) {
        super(fm);
    }
 
    @Override
    public Fragment getItem(int position) {
        switch (position) {
            case 0:
                return Status_Fragment.newInstance();
        }
        return null;
    }
 
    @Override
    public int getCount() {
        return Page;
    }
}