<?xml version="1.0" encoding="utf-8"?> 
<manifest xmlns:android="http://schemas.android.com/apk/res/android" 
   package="com.ray.linkit" 
   android:versionCode="1" 
   android:versionName="1.0"> 
  <application android:icon="@drawable/icon" android:label="@string/app_name"> 
    <activity android:name=".Main" 
         android:label="@string/app_name" 
         android:screenOrientation="portrait"> 
      <intent-filter> 
        <action android:name="android.intent.action.MAIN" />
        <category android:name="android.intent.category.LAUNCHER" />
      </intent-filter>
    </activity>
        <activity android:name=".GamePlay" 
        android:screenOrientation="portrait"></activity> 
        <activity android:name=".OptionView" 
        android:screenOrientation="portrait"></activity> 
  </application> 
  <uses-sdk android:minSdkVersion="3" /> 
</manifest>

if(newConfig.orientation==Configuration.ORIENTATION_LANDSCAPE){
 //横向 
 setContentView(R.layout.file_list_landscape); 
}else{
 //竖向 
  setContentView(R.layout.file_list); 
}