Android Studio无法在Mac OS X上设置

我使用的是Mac OS X yosemite 10.10.3 JDK版本1.7.0

这是android studio设置向导中的错误

Refresh Sources:
  Failed to fetch URL http://dl.google.com/android/repository/addons_list-2.xml, reason: File not found
  Fetched Add-ons List successfully
  Refresh Sources
  Failed to fetch URL http://dl.google.com/android/repository/repository-10.xml, reason: File not found
Refresh Sources:
  Failed to fetch URL http://dl.google.com/android/repository/repository-10.xml, reason: File not found
There is nothing to install or update.
platform-tools, extra-android-m2repository and 2 more SDK components were not installed

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从apple支持页面使用JDK 6 for OS X update 2014-001并尝试安装 然后将androidsdk设置为path

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重试显然，此问题的解决方法是使用sudo运行

sudo "/Applications/Android Studio.app/Contents/MacOS/studio"

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我怎样才能让安卓安装向导检测这个版本？我已经安装了它。将java和android sdk添加到PATHAndroid studio中可以轻松地检测java 6，无需付出太多努力