Activity里面嵌入Fragment一点小代码

public class ConversionCenterActivity extends BaseFragmentActivity implements Constant{
    
    private ConversionCenterFragment mConversionCenterFragment;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_conversion_center);
        mConversionCenterFragment=new ConversionCenterFragment();
        getSupportFragmentManager().beginTransaction().replace(R.id.center_layout, mConversionCenterFragment).commit();
    }

}