Android解决多个Fragment切换时布局重新化问题，并保存当前fragment页面，系统回收后还原之前fragment页面，内及apk

Android解决多个Fragment切换时布局重新实例化问题，并保存当前fragment页面，系统回收后还原之前fragment页面，内附源码及apk，博客：http://blog.csdn.net/fan7983377/article/details/51889269

package fan.fragmentdemo;

import android.app.Application;
import android.test.ApplicationTestCase;

/**
 * Testing Fundamentals
 */
public class ApplicationTest extends ApplicationTestCase {
    public ApplicationTest（） {
        super（Application.class）;
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件        105  2016-07-12 12:22  FragmentDemo\.gitignore

     文件          8  2016-07-12 12:22  FragmentDemo\app\.gitignore

     文件        643  2016-07-12 12:22  FragmentDemo\app\build.gradle

     文件        696  2016-07-12 12:22  FragmentDemo\app\proguard-rules.pro

     文件        359  2016-07-12 12:22  FragmentDemo\app\src\androidTest\java\fan\fragmentdemo\ApplicationTest.java

     文件        675  2016-07-12 12:22  FragmentDemo\app\src\main\AndroidManifest.xml

     文件        606  2016-07-12 13:33  FragmentDemo\app\src\main\java\fan\fragmentdemo\fragment\OneFragment.java

     文件        610  2016-07-12 13:33  FragmentDemo\app\src\main\java\fan\fragmentdemo\fragment\ThreeFragment.java

     文件        606  2016-07-12 13:33  FragmentDemo\app\src\main\java\fan\fragmentdemo\fragment\TwoFragment.java

     文件       6672  2016-07-12 15:39  FragmentDemo\app\src\main\java\fan\fragmentdemo\MainActivity.java

     文件       1896  2016-07-12 13:26  FragmentDemo\app\src\main\res\layout\activity_main.xml

     文件        722  2016-07-12 13:32  FragmentDemo\app\src\main\res\layout\fragment_one.xml

     文件        722  2016-07-12 13:32  FragmentDemo\app\src\main\res\layout\fragment_three.xml

     文件        722  2016-07-12 13:32  FragmentDemo\app\src\main\res\layout\fragment_two.xml

     文件       3418  2016-07-12 12:22  FragmentDemo\app\src\main\res\mipmap-hdpi\ic_launcher.png

     文件       2206  2016-07-12 12:22  FragmentDemo\app\src\main\res\mipmap-mdpi\ic_launcher.png

     文件       4842  2016-07-12 12:22  FragmentDemo\app\src\main\res\mipmap-xhdpi\ic_launcher.png

     文件       7718  2016-07-12 12:22  FragmentDemo\app\src\main\res\mipmap-xxhdpi\ic_launcher.png

     文件      10486  2016-07-12 12:22  FragmentDemo\app\src\main\res\mipmap-xxxhdpi\ic_launcher.png

     文件        214  2016-07-12 12:22  FragmentDemo\app\src\main\res\values\colors.xml

     文件        216  2016-07-12 12:22  FragmentDemo\app\src\main\res\values\dimens.xml

     文件         78  2016-07-12 12:22  FragmentDemo\app\src\main\res\values\strings.xml

     文件        394  2016-07-12 12:22  FragmentDemo\app\src\main\res\values\styles.xml

     文件        364  2016-07-12 12:22  FragmentDemo\app\src\main\res\values-w820dp\dimens.xml

     文件        323  2016-07-12 12:22  FragmentDemo\app\src\test\java\fan\fragmentdemo\ExampleUnitTest.java

     文件   23273474  2016-07-12 12:22  FragmentDemo\build\generated\mockable-android-23.jar

     文件         64  2016-07-12 15:42  FragmentDemo\build\intermediates\dex-cache\cache.xml

     文件        521  2016-07-12 12:22  FragmentDemo\build.gradle

     文件      53636  2016-07-12 12:22  FragmentDemo\gradle\wrapper\gradle-wrapper.jar

     文件        231  2016-07-12 12:22  FragmentDemo\gradle\wrapper\gradle-wrapper.properties

............此处省略42个文件信息