<?xml version="." encoding="utf-"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
   android:orientation="vertical" android:layout_width="match_parent"
   android:layout_height="match_parent"
   android:gravity="center_horizontal"
   android:background="#f">
   <Button
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
     android:text="潘侯爷"/>
   <Button
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
     android:text="碧空海"/>
 </LinearLayout>

 import android.app.Fragment;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 /**
  * Created by panchengjia on //.
  */
 public class LeftFragment extends Fragment {
   @Override
   public void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
   }
   @Override
   public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
     //通过参数中的布局填充获取对应布局
     View view =inflater.inflate(R.layout.left_layout,container,false);
     return view;
   }
   @Override
   public void onPause() {
     super.onPause();
   }
 }

<?xml version="." encoding="utf-"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
   xmlns:tools="http://schemas.android.com/tools"
   android:id="@+id/activity_main"
   android:layout_width="match_parent"
   android:layout_height="match_parent"
   android:orientation="horizontal"
   tools:context="com.example.administrator.fragmenttest.MainActivity">
   <fragment
     android:layout_width="dp"
     android:layout_height="match_parent"
     android:layout_weight=""
     android:name="com.example.administrator.fragmenttest.LeftFragment"
     tools:layout="@layout/left_layout" />
   <fragment
     android:layout_width="dp"
     android:layout_height="match_parent"
     android:layout_weight=""
     android:name="com.example.administrator.fragmenttest.RightFragment"
     tools:layout="@layout/right_layout" />
 </LinearLayout>

 <?xml version="." encoding="utf-"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
   xmlns:tools="http://schemas.android.com/tools"
   android:id="@+id/activity_main"
   android:layout_width="match_parent"
   android:layout_height="match_parent"
   android:orientation="horizontal"
   tools:context="com.example.administrator.fragmenttest.MainActivity">
   <fragment
     android:layout_width="dp"
     android:layout_height="match_parent"
     android:layout_weight=""
     android:name="com.example.administrator.fragmenttest.LeftFragment"
     tools:layout="@layout/left_layout" />
   <FrameLayout
     android:id="@+id/right"
     android:layout_width="dp"
     android:layout_height="match_parent"
     android:layout_weight=""></FrameLayout>
 </LinearLayout>

 import android.app.FragmentManager;
 import android.app.FragmentTransaction;
 import android.support.v.app.AppCompatActivity;
 import android.os.Bundle;
 public class MainActivity extends AppCompatActivity {
   //声明本次使用到的java类
   FragmentManager fragmentManager;
   FragmentTransaction fragmentTransaction;
   RightFragment rightFragment;
   @Override
   protected void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
     setContentView(R.layout.activity_main);
     /*在activity对应java类中通过getFragmentManager()
     *获得FragmentManager，用于管理ViewGrop中的fragment
     * */
     fragmentManager=getFragmentManager();
     /*FragmentManager要管理fragment（添加，替换以及其他的执行动作）
     *的一系列的事务变化，需要通过fragmentTransaction来操作执行
     */
     fragmentTransaction = fragmentManager.beginTransaction();
     //实例化要管理的fragment
     rightFragment = new RightFragment();
     //通过添加（事务处理的方式）将fragment加到对应的布局中
     fragmentTransaction.add(R.id.right,rightFragment);
     //事务处理完需要提交
     fragmentTransaction.commit();
   }
 }