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I want to build my first android hello world app, but got this error, any idea what is going on?

Error:A problem occurred configuring project ':app'.

Could not resolve all dependencies for configuration ':app:_debugCompile'. Could not find any version that matches com.android.support:appcompat-v7:15.+. Versions that do not match: 23.1.0 23.0.1 23.0.0 22.2.1 22.2.0 + 10 more Searched in the following locations: https://jcenter.bintray.com/com/android/support/appcompat-v7/maven-metadata.xml https://jcenter.bintray.com/com/android/support/appcompat-v7/ file:/Users/kukodajanos/Library/Android/sdk/extras/android/m2repository/com/android/support/appcompat-v7/maven-metadata.xml file:/Users/kukodajanos/Library/Android/sdk/extras/google/m2repository/com/android/support/appcompat-v7/maven-metadata.xml file:/Users/kukodajanos/Library/Android/sdk/extras/google/m2repository/com/android/support/appcompat-v7/ Required by: HelloWorld:app:unspecified

enter image description here

János
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    http://stackoverflow.com/questions/19621941/android-studio-could-not-find-any-version-that-matches-com-android-supportappco check this – Michele Lacorte Oct 25 '15 at 19:07

1 Answers1

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Could not resolve all dependencies for configuration ':app:_debugCompile'. Could not find any version that matches com.android.support:appcompat-v7:15.+.

You are requesting a very old version of appcompat-v7 (15.+), one that is not available on your development machine. You have several other versions (23.1.0 23.0.1 23.0.0 22.2.1 22.2.0 + 10 more). Use one of them.

CommonsWare
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