本文来自：http://www.cnblogs.com/yaotong/archive/2011/01/25/1943615.html
如果下载速度很慢或者无法下载,有三种解决方法
1.忍耐.
2.使用P2SP下载工具,比如迅雷,百度云离线.
3.你们懂得.
无法在线升级请看下边
sudo vi /etc/hosts
添加
74.125.206.93 dl-ssl.google.com
2014.7
ADT Bundle
http://dl.google.com/android/adt/adt-bundle-windows-x86-20140702.zip
http://dl.google.com/android/adt/adt-bundle-windows-x86_64-20140702.zip
http://dl.google.com/android/adt/adt-bundle-mac-x86_64-20140702.zip
http://dl.google.com/android/adt/adt-bundle-linux-x86-20140702.zip
http://dl.google.com/android/adt/adt-bundle-linux-x86_64-20140702.zip
SDK Tools Only
http://dl.google.com/android/android-sdk_r23.0.2-windows.zip
http://dl.google.com/android/installer_r23.0.2-windows.exe
http://dl.google.com/android/android-sdk_r23.0.2-macosx.zip
http://dl.google.com/android/android-sdk_r23.0.2-linux.tgz
Android Studio
http://dl.google.com/android/studio/install/0.8.6/android-studio-bundle-135.1339820-windows.exe
http://dl.google.com/android/studio/install/0.8.6/android-studio-bundle-135.1339820-mac.dmg
http://dl.google.com/android/studio/install/0.8.6/android-studio-bundle-135.1339820-linux.tgz
Android NDK
http://dl.google.com/android/ndk/android-ndk32-r10-windows-x86.zip
http://dl.google.com/android/ndk/android-ndk32-r10-windows-x86_64.zip
http://dl.google.com/android/ndk/android-ndk32-r10-darwin-x86.tar.bz2
http://dl.google.com/android/ndk/android-ndk32-r10-darwin-x86_64.tar.bz2
http://dl.google.com/android/ndk/android-ndk32-r10-linux-x86.tar.bz2
http://dl.google.com/android/ndk/android-ndk32-r10-linux-x86_64.tar.bz2
http://dl.google.com/android/ndk/android-ndk64-r10-windows-x86.zip
http://dl.google.com/android/ndk/android-ndk64-r10-windows-x86_64.zip
http://dl.google.com/android/ndk/android-ndk64-r10-darwin-x86.tar.bz2
http://dl.google.com/android/ndk/android-ndk64-r10-darwin-x86_64.tar.bz2
http://dl.google.com/android/ndk/android-ndk64-r10-linux-x86.tar.bz2
http://dl.google.com/android/ndk/android-ndk64-r10-linux-x86_64.tar.bz2
http://dl.google.com/android/ndk/android-ndk-r10-cxx-stl-libs-with-debug-info.zip
2014.6
Android Studio 0.8
http://dl.google.com/android/studio/install/0.8.0/android-studio-bundle-135.1245622-windows.exe
http://dl.google.com/android/studio/install/0.8.0/android-studio-bundle-135.1245622-mac.dmg
http://dl.google.com/android/studio/install/0.8.0/android-studio-bundle-135.1245622-linux.tgz
Android SDK only r23
http://dl.google.com/android/android-sdk_r23-windows.zip
http://dl.google.com/android/installer_r23-windows.exe
http://dl.google.com/android/android-sdk_r23-macosx.zip
http://dl.google.com/android/android-sdk_r23-linux.tgz
ADT Bundle r23
http://dl.google.com/android/adt/adt-bundle-linux-x86_64-20140624.zip
http://dl.google.com/android/adt/adt-bundle-linux-x86-20140624.zip
http://dl.google.com/android/adt/adt-bundle-windows-x86-20140624.zip
http://dl.google.com/android/adt/adt-bundle-windows-x86-20140624.zip
http://dl.google.com/android/adt/adt-bundle-mac-x86_64-20140624.zip
Android NDK r9d
http://dl.google.com/android/ndk/android-ndk-r9d-windows-x86.zip
http://dl.google.com/android/ndk/android-ndk-r9d-windows-x86_64.zip
http://dl.google.com/android/ndk/android-ndk-r9d-darwin-x86.tar.bz2
http://dl.google.com/android/ndk/android-ndk-r9d-linux-x86.tar.bz2
http://dl.google.com/android/ndk/android-ndk-r9d-linux-x86_64.tar.bz2
http://dl.google.com/android/ndk/android-ndk-r9d-cxx-stl-libs-with-debug-info.zip
Android NDK r6b
Windows
http://dl.google.com/android/ndk/android-ndk-r6b-windows.zip
Mac OS X(intel)
http://dl.google.com/android/ndk/android-ndk-r6b-darwin-x86.tar.bz2
Linux
http://dl.google.com/android/ndk/android-ndk-r6b-linux-x86.tar.bz2
Android SDK 3.2
Windows
http://dl.google.com/android/android-sdk_r12-windows.zip
http://dl.google.com/android/installer_r12-windows.exe
Mac OS X (intel)
http://dl.google.com/android/android-sdk_r12-mac_x86.zip
Linux(i386)
http://dl.google.com/android/android-sdk_r12-linux_x86.tgz
Android NDK r6
Windows
http://dl.google.com/android/ndk/android-ndk-r6-windows.zip
Mac OS X(intel)
http://dl.google.com/android/ndk/android-ndk-r6-darwin-x86.tar.bz2
Linux 32/64-bit (x86)
http://dl.google.com/android/ndk/android-ndk-r6-linux-x86.tar.bz2
Android SDK 3.1
Windows
http://dl.google.com/android/android-sdk_r11-windows.zip
http://dl.google.com/android/installer_r11-windows.exe
Mac OS X(intel)
http://dl.google.com/android/android-sdk_r11-mac_x86.zip
Linux(i386)
http://dl.google.com/android/android-sdk_r11-linux_x86.tgz
Android NDK r5b
Windows
http://dl.google.com/android/ndk/android-ndk-r5b-windows.zip
Mac OS X(intel)
http://dl.google.com/android/ndk/android-ndk-r5b-darwin-x86.tar.bz2
Linux
http://dl.google.com/android/ndk/android-ndk-r5b-linux-x86.tar.bz2
Android SDK 3.0
Windows
http://dl.google.com/android/installer_r10-windows.exe
http://dl.google.com/android/android-sdk_r10-windows.zip
Mac OS X(intel)
http://dl.google.com/android/android-sdk_r10-mac_x86.zip
Linux(i386)
http://dl.google.com/android/android-sdk_r10-linux_x86.tgz
Android SDK 2.3
Windows
http://dl.google.com/android/android-sdk_r08-windows.zip
http://dl.google.com/android/installer_r08-windows.exe
Linux (i386)
http://dl.google.com/android/android-sdk_r08-linux_86.tgz
MAC OS X (intel)
http://dl.google.com/android/android-sdk_r08-mac_86.zip
Android NDK r5
Windows
http://dl.google.com/android/ndk/android-ndk-r5-windows.zip
Mac OS X (intel) r5
http://dl.google.com/android/ndk/android-ndk-r5-darwin-x86.tar.bz2
Linux 32/64-bit (x86) r5
http://dl.google.com/android/ndk/android-ndk-r5-linux-x86.tar.bz2