مشکل د راستفاده از کتابخانه های MaterialShowcaseView

من از دو کتابخانه زیر استفاده کردم 

 implementation 'com.github.deano2390:MaterialShowcaseView:1.2.0@aar'
implementation 'com.github.myinnos:ImageSaveandShare:1.0.1'

منتها خطا زیر رو میده 

Error:Could not resolve all files for configuration ':app:debugCompileClasspath'.
> Could not resolve com.github.deano2390:MaterialShowcaseView:1.2.0.
  Required by:
      project :app
   > Could not resolve com.github.deano2390:MaterialShowcaseView:1.2.0.
      > Could not get resource 'https://jcenter.bintray.com/com/github/deano2390/MaterialShowcaseView/1.2.0/MaterialShowcaseView-1.2.0.pom'.
         > Could not GET 'https://jcenter.bintray.com/com/github/deano2390/MaterialShowcaseView/1.2.0/MaterialShowcaseView-1.2.0.pom'.
            > Connect to 127.0.0.1:8580 [/127.0.0.1] failed: Connection refused: connect
   > Could not resolve com.github.deano2390:MaterialShowcaseView:1.2.0.
      > Could not get resource 'https://jitpack.io/com/github/deano2390/MaterialShowcaseView/1.2.0/MaterialShowcaseView-1.2.0.pom'.
         > Could not GET 'https://jitpack.io/com/github/deano2390/MaterialShowcaseView/1.2.0/MaterialShowcaseView-1.2.0.pom'.
            > Connect to 127.0.0.1:8580 [/127.0.0.1] failed: Connection refused: connect
   > Could not resolve com.github.deano2390:MaterialShowcaseView:1.2.0.
      > Could not get resource 'https://dl.google.com/dl/android/maven2/com/github/deano2390/MaterialShowcaseView/1.2.0/MaterialShowcaseView-1.2.0.pom'.
         > Could not GET 'https://dl.google.com/dl/android/maven2/com/github/deano2390/MaterialShowcaseView/1.2.0/MaterialShowcaseView-1.2.0.pom'.
            > Connect to 127.0.0.1:8580 [/127.0.0.1] failed: Connection refused: connect
   > Could not resolve com.github.deano2390:MaterialShowcaseView:1.2.0.
      > Could not get resource 'http://jcenter.bintray.com/com/github/deano2390/MaterialShowcaseView/1.2.0/MaterialShowcaseView-1.2.0.pom'.
         > Could not GET 'http://jcenter.bintray.com/com/github/deano2390/MaterialShowcaseView/1.2.0/MaterialShowcaseView-1.2.0.pom'.
            > Connect to 127.0.0.1:8580 [/127.0.0.1] failed: Connection refused: connect
> Could not resolve com.github.myinnos:ImageSaveandShare:1.0.1.
  Required by:
      project :app
   > Could not resolve com.github.myinnos:ImageSaveandShare:1.0.1.
      > Could not get resource 'https://jcenter.bintray.com/com/github/myinnos/ImageSaveandShare/1.0.1/ImageSaveandShare-1.0.1.pom'.
         > Could not GET 'https://jcenter.bintray.com/com/github/myinnos/ImageSaveandShare/1.0.1/ImageSaveandShare-1.0.1.pom'.
            > Connect to 127.0.0.1:8580 [/127.0.0.1] failed: Connection refused: connect
   > Could not resolve com.github.myinnos:ImageSaveandShare:1.0.1.
      > Could not get resource 'https://jitpack.io/com/github/myinnos/ImageSaveandShare/1.0.1/ImageSaveandShare-1.0.1.pom'.
         > Could not GET 'https://jitpack.io/com/github/myinnos/ImageSaveandShare/1.0.1/ImageSaveandShare-1.0.1.pom'.
            > Connect to 127.0.0.1:8580 [/127.0.0.1] failed: Connection refused: connect
   > Could not resolve com.github.myinnos:ImageSaveandShare:1.0.1.
      > Could not get resource 'https://dl.google.com/dl/android/maven2/com/github/myinnos/ImageSaveandShare/1.0.1/ImageSaveandShare-1.0.1.pom'.
         > Could not GET 'https://dl.google.com/dl/android/maven2/com/github/myinnos/ImageSaveandShare/1.0.1/ImageSaveandShare-1.0.1.pom'.
            > Connect to 127.0.0.1:8580 [/127.0.0.1] failed: Connection refused: connect
   > Could not resolve com.github.myinnos:ImageSaveandShare:1.0.1.
      > Could not get resource 'http://jcenter.bintray.com/com/github/myinnos/ImageSaveandShare/1.0.1/ImageSaveandShare-1.0.1.pom'.
         > Could not GET 'http://jcenter.bintray.com/com/github/myinnos/ImageSaveandShare/1.0.1/ImageSaveandShare-1.0.1.pom'.
            > Connect to 127.0.0.1:8580 [/127.0.0.1] failed: Connection refused: connect

ممنون میشم که راهنمایی کنید