title: Android could not resolve all dependencies for configuration ' classpath'
body: <p>This is like the first time im using Android Studio, and when I try to run the app It shows me the following error:</p>
  
  <pre><code>Error:A problem occurred configuring root project 'PickApp'.
  &gt; Could not resolve all dependencies for configuration ':classpath'.
     &gt; Could not resolve com.android.tools.build:gradle:0.12.+.
       Required by:
           :PickApp:unspecified
        &gt; Failed to list versions for com.android.tools.build:gradle.
           &gt; Could not list versions using M2 pattern 'http://jcenter.bintray.com/[organisation]/[module]/[revision]/[artifact]-[revision](-[classifier]).[ext]'.
              &gt; Could not GET 'http://jcenter.bintray.com/com/android/tools/build/gradle/'.
                 &gt; jcenter.bintray.com
  </code></pre>
  
  <p>Build.grandle :</p>
  
  <pre><code>buildscript {
      repositories {
          jcenter()
      }
      dependencies {
          classpath 'com.android.tools.build:gradle:0.12.+'
  
          // NOTE: Do not place your application dependencies here; they belong
          // in the individual module build.gradle files
      }
  }
  
  allprojects {
      repositories {
          jcenter()
      }
  }
  </code></pre>