Open this URL to see more information about ADT: http://developer.android.com/sdk/installing/installing-adt.html
or directly in your eclipse's help > Install New Software Add, address direct input
HTTPS://dl-ssl.google.com/android/eclipse/
Official steps:
Download the ADT Plugin
To add the ADT plugin to Eclipse:
- Start Eclipse, then select Help > Install New software.
- Click Add, in the Top-right corner.
- In the Add Repository dialog so appears, enter "ADT Plugin" for the Name and the following URL for thelocat Ion:
HTTPS://dl-ssl.google.com/android/eclipse/
Note: The Android Developer Tools Update site requires a secure connection. Make sure the update site URL, you enter starts with HTTPS.
- Click OK.
- In the Available software dialog, select the checkbox next to Developer Tools and click Next.
- In the next window, you'll see a list of the tools to be downloaded. Click Next.
- Read and accept the license agreements, then click Finish.
If you get a security warning saying this authenticity or validity of the software can ' t be established, click ok< /c1>.
- When the installation completes, restart Eclipse.
Here you can download the latest version of ADT that I downloaded, the version is 23.03, you can also import directly
http://yun.baidu.com/share/link?shareid=237171126&uk=3794660469