Android图库应用

android图库应用。显示图片列表，点击查看大图。图片列表优化了图片显示效果，滑动不卡。大图支持左右滑动，并且增加了动画。原博客地址https://blog.csdn.net/u010356768/article/details/80965349

package com.example.xx.myapplication2;

import android.content.Context;
import android.support.test.InstrumentationRegistry;
import android.support.test.runner.AndroidJUnit4;

import org.junit.Test;
import org.junit.runner.RunWith;

import static org.junit.Assert.*;

/**
 * Instrumented test which will execute on an Android device.
 *
 * @see Testing documentation
 */
@RunWith（AndroidJUnit4.class）
public class ExampleInstrumentedTest {
    @Test
    public void useAppContext（） {
        // Context of the app under test.
        Context appContext = InstrumentationRegistry.getTargetContext（）;

        assertEquals（“com.example.xx.myapplication2“ appContext.getPackageName（））;
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2018-07-11 09:30  DisplayImageProject\
     文件         147  2018-05-28 21:52  DisplayImageProject\.gitignore
     目录           0  2018-07-11 09:30  DisplayImageProject\.gradle\
     目录           0  2018-07-11 09:30  DisplayImageProject\.gradle\4.4\
     目录           0  2018-07-11 09:30  DisplayImageProject\.gradle\4.4\fileChanges\
     文件           1  2018-07-11 09:28  DisplayImageProject\.gradle\4.4\fileChanges\last-build.bin
     目录           0  2018-07-11 09:30  DisplayImageProject\.gradle\4.4\fileContent\
     文件          17  2018-07-11 09:28  DisplayImageProject\.gradle\4.4\fileContent\fileContent.lock
     目录           0  2018-07-11 09:30  DisplayImageProject\.gradle\4.4\fileHashes\
     文件      245069  2018-07-11 09:28  DisplayImageProject\.gradle\4.4\fileHashes\fileHashes.bin
     文件          17  2018-07-11 09:28  DisplayImageProject\.gradle\4.4\fileHashes\fileHashes.lock
     文件       19585  2018-05-28 22:03  DisplayImageProject\.gradle\4.4\fileHashes\resourceHashesCache.bin
     目录           0  2018-07-11 09:30  DisplayImageProject\.gradle\4.4\javaCompile\
     文件     1037563  2018-07-11 09:27  DisplayImageProject\.gradle\4.4\javaCompile\classAnalysis.bin
     文件      325452  2018-05-28 22:03  DisplayImageProject\.gradle\4.4\javaCompile\jarAnalysis.bin
     文件          17  2018-07-11 09:27  DisplayImageProject\.gradle\4.4\javaCompile\javaCompile.lock
     文件     1305790  2018-07-11 09:27  DisplayImageProject\.gradle\4.4\javaCompile\taskHistory.bin
     文件       20870  2018-07-11 09:27  DisplayImageProject\.gradle\4.4\javaCompile\taskJars.bin
     目录           0  2018-07-11 09:30  DisplayImageProject\.gradle\4.4\taskHistory\
     文件     2149162  2018-07-11 09:28  DisplayImageProject\.gradle\4.4\taskHistory\taskHistory.bin
     文件          17  2018-07-11 09:28  DisplayImageProject\.gradle\4.4\taskHistory\taskHistory.lock
     目录           0  2018-07-11 09:30  DisplayImageProject\.gradle\buildOutputCleanup\
     文件          17  2018-07-11 09:28  DisplayImageProject\.gradle\buildOutputCleanup\buildOutputCleanup.lock
     文件          51  2018-05-28 21:53  DisplayImageProject\.gradle\buildOutputCleanup\cache.properties
     文件       20837  2018-07-11 09:28  DisplayImageProject\.gradle\buildOutputCleanup\outputFiles.bin
     目录           0  2018-07-11 09:30  DisplayImageProject\.idea\
     目录           0  2018-07-11 09:30  DisplayImageProject\.idea\caches\
     文件         537  2018-07-11 08:49  DisplayImageProject\.idea\caches\build_file_checksums.ser
     目录           0  2018-07-11 09:30  DisplayImageProject\.idea\codestyles\
     文件        1803  2018-07-09 09:07  DisplayImageProject\.idea\codestyles\Project.xml
     文件         626  2018-07-09 09:07  DisplayImageProject\.idea\gradle.xml
............此处省略121个文件信息