MyFragment

手机横竖屏自动切换不同的View:

Landscape-Horizontal-横屏

Portrait-Vertical-竖屏

 package com.example.shad_fnst.myfragment;

 import android.app.Activity;
 import android.app.FragmentManager;
 import android.app.FragmentTransaction;
 import android.content.res.Configuration;
 import android.os.Bundle;
 import android.view.Menu;
 import android.view.MenuItem;

 public class MainActivity extends Activity {

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         //setContentView(R.layout.activity_main);
         Configuration config = getResources().getConfiguration();
         FragmentManager fragmentManager = getFragmentManager();
         FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
         if(config.orientation == Configuration.ORIENTATION_LANDSCAPE){
             LM_Fragment lm_fragment = new LM_Fragment();
             fragmentTransaction.replace(android.R.id.content, lm_fragment);
         }
         else{
             PM_Fragment pm_fragment = new PM_Fragment();
             fragmentTransaction.replace(android.R.id.content, pm_fragment);
         }
         fragmentTransaction.commit();
     }

     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         // Inflate the menu; this adds items to the action bar if it is present.
         getMenuInflater().inflate(R.menu.menu_main, menu);
         return true;
     }

     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         // Handle action bar item clicks here. The action bar will
         // automatically handle clicks on the Home/Up button, so long
         // as you specify a parent activity in AndroidManifest.xml.
         int id = item.getItemId();

         //noinspection SimplifiableIfStatement
         if (id == R.id.action_settings) {
             return true;
         }

         return super.onOptionsItemSelected(item);
     }
 }

MainActivity.java

 package com.example.shad_fnst.myfragment;

 import android.app.Fragment;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;

 /**
  * Created by shad-fnst on 2015/07/30.
  */
 public class LM_Fragment extends Fragment{
     @Override
     public View onCreateView(LayoutInflater inflater,
                              ViewGroup container, Bundle savedInstanceState){
         return inflater.inflate(R.layout.lm_fragment, container, false);
     }
 }

LM_Fragment.java

 package com.example.shad_fnst.myfragment;

 import android.app.Fragment;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;

 /**
  * Created by shad-fnst on 2015/07/30.
  */
 public class PM_Fragment extends Fragment{
     @Override
     public View onCreateView(LayoutInflater inflater,
                              ViewGroup container, Bundle savedInstanceState){
         return inflater.inflate(R.layout.pm_fragment, container, false);
     }
 }

PM_Fragment.java

 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent" android:layout_height="match_parent"
     android:orientation="vertical"
     android:background="#7bae16" >

     <TextView
         android:layout_width="fill_parent"
         android:layout_height="wrap_content"
         android:text="@string/landscape_message"
         android:textColor="#000000"
         android:textSize="20px" />

 </LinearLayout>

lm_fragment.xml

 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent" android:layout_height="match_parent"
     android:orientation="vertical"
     android:background="#666666" >

     <TextView
         android:layout_width="fill_parent"
         android:layout_height="wrap_content"
         android:text="@string/portrait_message"
         android:textColor="#000000"
         android:textSize="20px" />

 </LinearLayout>

pm_fragment.xml

 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
     android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
     android:paddingRight="@dimen/activity_horizontal_margin"
     android:paddingTop="@dimen/activity_vertical_margin"
     android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity"
     android:orientation="horizontal" >

     <fragment
         android:layout_width="0dp"
         android:layout_height="match_parent"
         android:name="com.example.shad_fnst.myfragment.LM_Fragment"
         android:id="@+id/lm_fragmnet"
         android:layout_weight="1"/>

     <fragment
         android:layout_width="0dp"
         android:layout_height="match_parent"
         android:name="com.example.shad_fnst.myfragment.PM_Fragment"
         android:id="@+id/pm_fragmnet"
         android:layout_weight="2"/>

 </LinearLayout>

activity_main.xml