自定义banner 下沉图片

package com.example.administrator.colorfulbanner;

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.example.administrator.colorfulbanner“ appContext.getPackageName（））;
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2019-04-30 09:55  ColorfulBannerDemo\
     文件         147  2019-04-29 14:12  ColorfulBannerDemo\.gitignore
     文件         868  2019-04-29 14:13  ColorfulBannerDemo\ColorfulBanner.iml
     目录           0  2019-04-30 09:55  ColorfulBannerDemo\app\
     文件           8  2019-04-29 14:12  ColorfulBannerDemo\app\.gitignore
     文件       12835  2019-04-29 16:30  ColorfulBannerDemo\app\app.iml
     文件         933  2019-04-29 14:43  ColorfulBannerDemo\app\build.gradle
     目录           0  2019-07-29 15:00  ColorfulBannerDemo\app\libs\
     文件         772  2019-04-29 14:12  ColorfulBannerDemo\app\proguard-rules.pro
     目录           0  2019-04-30 09:55  ColorfulBannerDemo\app\src\
     目录           0  2019-04-30 09:55  ColorfulBannerDemo\app\src\androidTest\
     目录           0  2019-04-30 09:55  ColorfulBannerDemo\app\src\androidTest\java\
     目录           0  2019-04-30 09:55  ColorfulBannerDemo\app\src\androidTest\java\com\
     目录           0  2019-04-30 09:55  ColorfulBannerDemo\app\src\androidTest\java\com\example\
     目录           0  2019-04-30 09:55  ColorfulBannerDemo\app\src\androidTest\java\com\example\administrator\
     目录           0  2019-04-30 09:55  ColorfulBannerDemo\app\src\androidTest\java\com\example\administrator\colorfulbanner\
     文件         790  2019-04-29 14:12  ColorfulBannerDemo\app\src\androidTest\java\com\example\administrator\colorfulbanner\ExampleInstrumentedTest.java
     目录           0  2019-04-30 09:55  ColorfulBannerDemo\app\src\main\
     文件         906  2019-04-29 16:37  ColorfulBannerDemo\app\src\main\AndroidManifest.xml
     目录           0  2019-04-30 09:55  ColorfulBannerDemo\app\src\main\java\
     目录           0  2019-04-30 09:55  ColorfulBannerDemo\app\src\main\java\com\
     目录           0  2019-04-30 09:55  ColorfulBannerDemo\app\src\main\java\com\example\
     目录           0  2019-04-30 09:55  ColorfulBannerDemo\app\src\main\java\com\example\administrator\
     目录           0  2019-04-30 09:55  ColorfulBannerDemo\app\src\main\java\com\example\administrator\colorfulbanner\
     文件        4650  2019-04-29 17:39  ColorfulBannerDemo\app\src\main\java\com\example\administrator\colorfulbanner\BannerImageLoader.java
     文件        1997  2019-04-29 14:36  ColorfulBannerDemo\app\src\main\java\com\example\administrator\colorfulbanner\ColorInfo.java
     文件        5919  2019-04-29 17:37  ColorfulBannerDemo\app\src\main\java\com\example\administrator\colorfulbanner\MainActivity.java
     目录           0  2019-04-30 09:55  ColorfulBannerDemo\app\src\main\res\
     目录           0  2019-04-30 09:55  ColorfulBannerDemo\app\src\main\res\drawable\
     文件         288  2019-04-29 15:18  ColorfulBannerDemo\app\src\main\res\drawable\dot_shape_selected.xml
     文件         288  2019-04-29 16:53  ColorfulBannerDemo\app\src\main\res\drawable\dot_shape_unselected.xml
............此处省略47个文件信息