不连接 Fragment的方法

public class MainActivity extends AppCompatActivity {

    private DrawerLayout dar;
    private TabLayout wid_tab;
    private ViewPager view_par;
    private List<Fragment> fragments;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        dar = (DrawerLayout) findViewById(R.id.Dar_laypu);
        wid_tab = (TabLayout) findViewById(R.id.wid_tab);
        view_par = (ViewPager) findViewById(R.id.view_par);
     wid_tab.setTabMode(TabLayout.MODE_FIXED);
        wid_tab.addTab(wid_tab.newTab().setText("1111"));
        wid_tab.addTab(wid_tab.newTab().setText("2222"));
        wid_tab.addTab(wid_tab.newTab().setText("3333"));
        wid_tab.addTab(wid_tab.newTab().setText("4444"));
        fragments = new ArrayList<>();
        fragments.add(new Fremget00());
        fragments.add(new Fremget01());
        fragments.add(new Fremget02());
        fragments.add(new Fremget03());
        FrMyAdapter adapter1=new FrMyAdapter(getSupportFragmentManager());
    }
  private  class FrMyAdapter extends FragmentPagerAdapter{

      public FrMyAdapter(FragmentManager supportFragmentManager) {
          super(supportFragmentManager);
      }

      @Override
      public Fragment getItem(int position) {
          return fragments.get(position);
      }

      @Override
      public int getCount() {
          return fragments.size();
      }
  }