Issues encountered during Eclipse installation

Any version of Eclipse that is imported into ADT will encounter this warning:

Warning:you is installing software that contains unsigned content. The authenticity or validity of this software cannot be established.

Has no effect on the installation.

Adb.exe was not found when importing the SDK:

The ADT version is too low and is resolved with v23 or later.

After the Android environment has been built, the following issues have arisen in the new project:

D:\workspace\appcompat_v7\res\values-v21\styles_base.xml:45:error:error Retrieving parent for item:no Resource found That matches the given name ' Android:TextAppearance.Material.Widget.ActionBar.Menu '.

Appeared appcompat_v7 Project Red Fork, new Project Red exclamation mark:

New use of more than 4.0 version will not appear appcompat_v7 and the new project is normal, but not compatible with too low Android version;

After updating the SDK, select Appcompat_v7 Right-click Properties->android to change the target to the latest.

Issues encountered during Eclipse installation