android 联动滚轮（选择控件）

package you.xiaochen.wheel;

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（“you.xiaochen.wheel“ appContext.getPackageName（））;
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2017-10-19 03:12  WheelView-3d-master\
     文件         118  2017-10-19 03:12  WheelView-3d-master\.gitignore
     目录           0  2017-10-19 03:12  WheelView-3d-master\.idea\
     文件         686  2017-10-19 03:12  WheelView-3d-master\.idea\compiler.xml
     目录           0  2017-10-19 03:12  WheelView-3d-master\.idea\copyright\
     文件          74  2017-10-19 03:12  WheelView-3d-master\.idea\copyright\profiles_settings.xml
     文件         722  2017-10-19 03:12  WheelView-3d-master\.idea\gradle.xml
     文件        2355  2017-10-19 03:12  WheelView-3d-master\.idea\misc.xml
     文件         347  2017-10-19 03:12  WheelView-3d-master\.idea\modules.xml
     文件         564  2017-10-19 03:12  WheelView-3d-master\.idea\runConfigurations.xml
     文件         180  2017-10-19 03:12  WheelView-3d-master\.idea\vcs.xml
     文件        2197  2017-10-19 03:12  WheelView-3d-master\README.md
     目录           0  2017-10-19 03:12  WheelView-3d-master\app\
     文件           7  2017-10-19 03:12  WheelView-3d-master\app\.gitignore
     文件         923  2017-10-19 03:12  WheelView-3d-master\app\build.gradle
     文件         645  2017-10-19 03:12  WheelView-3d-master\app\proguard-rules.pro
     目录           0  2017-10-19 03:12  WheelView-3d-master\app\src\
     目录           0  2017-10-19 03:12  WheelView-3d-master\app\src\androidTest\
     目录           0  2017-10-19 03:12  WheelView-3d-master\app\src\androidTest\java\
     目录           0  2017-10-19 03:12  WheelView-3d-master\app\src\androidTest\java\you\
     目录           0  2017-10-19 03:12  WheelView-3d-master\app\src\androidTest\java\you\xiaochen\
     目录           0  2017-10-19 03:12  WheelView-3d-master\app\src\androidTest\java\you\xiaochen\wheel\
     文件         740  2017-10-19 03:12  WheelView-3d-master\app\src\androidTest\java\you\xiaochen\wheel\ExampleInstrumentedTest.java
     目录           0  2017-10-19 03:12  WheelView-3d-master\app\src\main\
     文件         706  2017-10-19 03:12  WheelView-3d-master\app\src\main\AndroidManifest.xml
     目录           0  2017-10-19 03:12  WheelView-3d-master\app\src\main\java\
     目录           0  2017-10-19 03:12  WheelView-3d-master\app\src\main\java\you\
     目录           0  2017-10-19 03:12  WheelView-3d-master\app\src\main\java\you\xiaochen\
     目录           0  2017-10-19 03:12  WheelView-3d-master\app\src\main\java\you\xiaochen\wheel\
     文件        1837  2017-10-19 03:12  WheelView-3d-master\app\src\main\java\you\xiaochen\wheel\Activity2.java
     文件        3930  2017-10-19 03:12  WheelView-3d-master\app\src\main\java\you\xiaochen\wheel\MainActivity.java
............此处省略51个文件信息