package?com.example.helloworld;

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.example.helloworld“?appContext.getPackageName（））;
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-01-15?05:37??booksource-master\
?????文件?????????270??2018-01-15?05:37??booksource-master\README.md
?????目錄???????????0??2018-01-15?05:37??booksource-master\chapter1\
?????目錄???????????0??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\
?????文件??????????97??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\.gitignore
?????目錄???????????0??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\
?????文件???????????7??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\.gitignore
?????文件?????????622??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\build.gradle
?????文件?????????679??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\proguard-rules.pro
?????目錄???????????0??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\src\
?????目錄???????????0??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\src\androidTest\
?????目錄???????????0??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\src\androidTest\java\
?????目錄???????????0??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\src\androidTest\java\com\
?????目錄???????????0??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\src\androidTest\java\com\example\
?????目錄???????????0??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\src\androidTest\java\com\example\helloworld\
?????文件?????????748??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\src\androidTest\java\com\example\helloworld\ExampleInstrumentedTest.java
?????目錄???????????0??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\src\main\
?????文件?????????667??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\src\main\AndroidManifest.xml
?????目錄???????????0??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\src\main\java\
?????目錄???????????0??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\src\main\java\com\
?????目錄???????????0??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\src\main\java\com\example\
?????目錄???????????0??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\src\main\java\com\example\helloworld\
?????文件?????????473??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\src\main\java\com\example\helloworld\HelloWorldActivity.java
?????目錄???????????0??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\src\main\res\
?????目錄???????????0??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\src\main\res\layout\
?????文件?????????749??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\src\main\res\layout\hello_world_layout.xml
?????目錄???????????0??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\src\main\res\mipmap-hdpi\
?????文件????????3418??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\src\main\res\mipmap-hdpi\ic_launcher.png
?????目錄???????????0??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\src\main\res\mipmap-mdpi\
?????文件????????2206??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\src\main\res\mipmap-mdpi\ic_launcher.png
?????目錄???????????0??2018-01-15?05:37??booksource-master\chapter1\HelloWorld\app\src\main\res\mipmap-xhdpi\
............此處省略2103個文件信息