android - 在另一个布局中扩充一个布局

Question

我正在研究抽屉导航布局。必须加载另一个布局来代替drawer_layout onClick 的导航项。

 if (id == R.id.nav_camera) {

  //code to inflate another layout inplace of current layout
  //setContentView(R.layout.another_layout1);


    } else if (id == R.id.nav_gallery) {

  //code to inflate another layout inplace of current layout
  //setContentView(R.layout.another_layout2);

    } 

如何在主布局中加载另一个布局？

Answer 1

你必须创建 fragment (右键单击您的项目 -> New -> Fragment).然后在下面的 Activity 中加载..

 if (id == R.id.nav_camera) {

     CameraFragment camera = new CameraFragment();
     FragmentManager fragmentManager = getFragmentManager();
     FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();              
     fragmentTransaction.add(R.id.fragment_container, camera, "HELLO");
     fragmentTransaction.commit();


    } else if (id == R.id.nav_gallery) {

     GalleryFragment gallery = new GalleryFragment();
     FragmentManager fragmentManager = getFragmentManager();
     FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();              
     fragmentTransaction.add(R.id.fragment_container, gallery, "HELLO");
     fragmentTransaction.commit();

    }