Android-一个Android聊天应用具备私聊和群聊功能

package hello.leavesC.chat;

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.czy.chat“ appContext.getPackageName（））;
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2018-10-04 06:40  leavesC-Chat-a7ea7ff
     文件         122  2018-10-04 06:40  leavesC-Chat-a7ea7ff.gitignore
     目录           0  2018-10-04 06:40  leavesC-Chat-a7ea7ff.idea
     目录           0  2018-10-04 06:40  leavesC-Chat-a7ea7ff.ideacodestyles
     文件        1775  2018-10-04 06:40  leavesC-Chat-a7ea7ff.ideacodestylesProject.xml
     文件         782  2018-10-04 06:40  leavesC-Chat-a7ea7ff.ideagradle.xml
     文件        2101  2018-10-04 06:40  leavesC-Chat-a7ea7ff.ideamisc.xml
     文件         672  2018-10-04 06:40  leavesC-Chat-a7ea7ff.ideamodules.xml
     文件         564  2018-10-04 06:40  leavesC-Chat-a7ea7ff.idea
unConfigurations.xml
     文件         167  2018-10-04 06:40  leavesC-Chat-a7ea7ff.ideavcs.xml
     文件         552  2018-10-04 06:40  leavesC-Chat-a7ea7ffREADME.md
     目录           0  2018-10-04 06:40  leavesC-Chat-a7ea7ffapp
     文件           7  2018-10-04 06:40  leavesC-Chat-a7ea7ffapp.gitignore
     文件        1326  2018-10-04 06:40  leavesC-Chat-a7ea7ffappand_res_guard.gradle
     文件        3982  2018-10-04 06:40  leavesC-Chat-a7ea7ffappuild.gradle
     文件        1141  2018-10-04 06:40  leavesC-Chat-a7ea7ffappproguard-rules.pro
     目录           0  2018-10-04 06:40  leavesC-Chat-a7ea7ffappsrc
     目录           0  2018-10-04 06:40  leavesC-Chat-a7ea7ffappsrcandroidTest
     目录           0  2018-10-04 06:40  leavesC-Chat-a7ea7ffappsrcandroidTestjava
     目录           0  2018-10-04 06:40  leavesC-Chat-a7ea7ffappsrcandroidTestjavahello
     目录           0  2018-10-04 06:40  leavesC-Chat-a7ea7ffappsrcandroidTestjavahelloleavesC
     目录           0  2018-10-04 06:40  leavesC-Chat-a7ea7ffappsrcandroidTestjavahelloleavesCchat
     文件         714  2018-10-04 06:40  leavesC-Chat-a7ea7ffappsrcandroidTestjavahelloleavesCchatExampleInstrumentedTest.java
     目录           0  2018-10-04 06:40  leavesC-Chat-a7ea7ffappsrcmain
     文件        6970  2018-10-04 06:40  leavesC-Chat-a7ea7ffappsrcmainAndroidManifest.xml
     目录           0  2018-10-04 06:40  leavesC-Chat-a7ea7ffappsrcmainjava
     目录           0  2018-10-04 06:40  leavesC-Chat-a7ea7ffappsrcmainjavahello
     目录           0  2018-10-04 06:40  leavesC-Chat-a7ea7ffappsrcmainjavahelloleavesC
     目录           0  2018-10-04 06:40  leavesC-Chat-a7ea7ffappsrcmainjavahelloleavesCchat
     文件         392  2018-10-04 06:40  leavesC-Chat-a7ea7ffappsrcmainjavahelloleavesCchatChatApplication.java
     目录           0  2018-10-04 06:40  leavesC-Chat-a7ea7ffappsrcmainjavahelloleavesCchatadapter
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