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資源簡介

一個簡易計算器的代碼，使用Android Studio 2.2 開發。發現現在網上適用于初學者的 Android Studio 項目 并不多，所以發出來共享。測試編譯通過。暫未找到什么大的BUG。有問題歡迎大家反饋給我，大家一起進步。

資源截圖

代碼片段和文件信息 

package?com.jupiter.calculator;

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.jupiter.calculator“?appContext.getPackageName（））;
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-10-07?18:07??Calculator\
?????文件?????????127??2016-10-06?16:14??Calculator\.gitignore
?????目錄???????????0??2016-10-07?18:07??Calculator\app\
?????文件???????????8??2016-10-06?16:14??Calculator\app\.gitignore
?????文件???????13080??2016-10-07?15:41??Calculator\app\app.iml
?????文件?????????899??2016-10-06?16:14??Calculator\app\build.gradle
?????目錄???????????0??2016-10-06?16:14??Calculator\app\libs\
?????文件?????????662??2016-10-06?16:14??Calculator\app\proguard-rules.pro
?????目錄???????????0??2016-10-07?18:07??Calculator\app\src\
?????目錄???????????0??2016-10-07?17:49??Calculator\app\src\androidTest\
?????目錄???????????0??2016-10-07?17:49??Calculator\app\src\androidTest\java\
?????目錄???????????0??2016-10-07?17:49??Calculator\app\src\androidTest\java\com\
?????目錄???????????0??2016-10-07?17:49??Calculator\app\src\androidTest\java\com\jupiter\
?????目錄???????????0??2016-10-07?17:49??Calculator\app\src\androidTest\java\com\jupiter\calculator\
?????文件?????????774??2016-10-06?16:14??Calculator\app\src\androidTest\java\com\jupiter\calculator\ExampleInstrumentedTest.java
?????目錄???????????0??2016-10-07?18:07??Calculator\app\src\main\
?????文件?????????687??2016-10-06?19:12??Calculator\app\src\main\AndroidManifest.xml
?????文件??????236446??2016-10-06?16:18??Calculator\app\src\main\app_girl_ico-web.png
?????目錄???????????0??2016-10-07?17:49??Calculator\app\src\main\java\
?????目錄???????????0??2016-10-07?17:49??Calculator\app\src\main\java\com\
?????目錄???????????0??2016-10-07?17:49??Calculator\app\src\main\java\com\jupiter\
?????目錄???????????0??2016-10-07?17:49??Calculator\app\src\main\java\com\jupiter\calculator\
?????文件????????6742??2016-10-07?17:30??Calculator\app\src\main\java\com\jupiter\calculator\main_activity.java
?????目錄???????????0??2016-10-07?18:07??Calculator\app\src\main\res\
?????目錄???????????0??2016-10-07?18:07??Calculator\app\src\main\res\drawable\
?????文件?????????200??2016-10-07?15:38??Calculator\app\src\main\res\drawable\ashen_bg.xml
?????文件?????????291??2016-10-06?21:46??Calculator\app\src\main\res\drawable\gray_bg.xml
?????文件?????????200??2016-10-07?16:38??Calculator\app\src\main\res\drawable\orange_bg.xml
?????文件?????????254??2016-10-07?15:38??Calculator\app\src\main\res\drawable\orange_change.xml
?????文件?????????291??2016-10-07?15:38??Calculator\app\src\main\res\drawable\white_bg.xml
?????文件?????????253??2016-10-06?21:43??Calculator\app\src\main\res\drawable\white_change.xml
............此處省略33個文件信息

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