安卓弹幕Demo

package com.mythmayor.a1805danmudemo;

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.*;

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

        assertEquals（“com.mythmayor.a1805danmudemo“ appContext.getPackageName（））;
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2018-05-30 14:28  DanmakuDemo
     文件           8  2018-05-30 10:18  DanmakuDemo.gitignore
     文件         976  2018-05-30 10:56  DanmakuDemouild.gradle
     目录           0  2018-05-30 10:18  DanmakuDemolibs
     文件         691  2018-05-30 10:18  DanmakuDemoproguard-rules.pro
     目录           0  2018-05-30 14:28  DanmakuDemosrc
     目录           0  2018-05-30 14:28  DanmakuDemosrcandroidTest
     目录           0  2018-05-30 14:28  DanmakuDemosrcandroidTestjava
     目录           0  2018-05-30 14:28  DanmakuDemosrcandroidTestjavacom
     目录           0  2018-05-30 14:28  DanmakuDemosrcandroidTestjavacommythmayor
     目录           0  2018-05-30 14:28  DanmakuDemosrcandroidTestjavacommythmayora1805danmudemo
     文件         786  2018-05-30 10:18  DanmakuDemosrcandroidTestjavacommythmayora1805danmudemoExampleInstrumentedTest.java
     目录           0  2018-05-30 14:28  DanmakuDemosrcmain
     文件         919  2018-05-30 10:35  DanmakuDemosrcmainAndroidManifest.xml
     目录           0  2018-05-30 10:51  DanmakuDemosrcmainassets
     目录           0  2018-05-30 14:28  DanmakuDemosrcmainjava
     目录           0  2018-05-30 14:28  DanmakuDemosrcmainjavacom
     目录           0  2018-05-30 14:28  DanmakuDemosrcmainjavacommythmayor
     目录           0  2018-05-30 14:28  DanmakuDemosrcmainjavacommythmayora1805danmudemo
     文件        7499  2018-05-30 14:26  DanmakuDemosrcmainjavacommythmayora1805danmudemoMainActivity.java
     目录           0  2018-05-30 14:28  DanmakuDemosrcmain
es
     目录           0  2018-05-30 10:18  DanmakuDemosrcmain
esdrawable
     目录           0  2018-05-30 14:28  DanmakuDemosrcmain
eslayout
     文件        1422  2018-05-30 14:15  DanmakuDemosrcmain
eslayoutactivity_main.xml
     目录           0  2018-05-30 14:28  DanmakuDemosrcmain
esmipmap-hdpi
     文件        3418  2018-05-30 10:18  DanmakuDemosrcmain
esmipmap-hdpiic_launcher.png
     目录           0  2018-05-30 14:28  DanmakuDemosrcmain
esmipmap-mdpi
     文件        2206  2018-05-30 10:18  DanmakuDemosrcmain
esmipmap-mdpiic_launcher.png
     目录           0  2018-05-30 14:28  DanmakuDemosrcmain
esmipmap-xhdpi
     文件        4842  2018-05-30 10:18  DanmakuDemosrcmain
esmipmap-xhdpiic_launcher.png
     目录           0  2018-05-30 14:28  DanmakuDemosrcmain
esmipmap-xxhdpi
............此处省略18个文件信息