"Cannot complete the install because one or more required items could not be found."
Actually this error is generated by Eclipse and we can find several recommendations to solve this over Internet, but those information are not correct and makes us messed up.
Personally I experienced this error on my recent trial to install Eclipse and finally found the solution to be shared with you.
Error message on Eclipse for getting Android Tool kit.
What I found on this issue is so clear.
Recommendation over Internet for Eclipse version of Android Development Tools are incorrect. Mostly people told stable or best Eclipse version for Android Development Tools are Galileo, Ganymede, Europa. But this is old story. Google doesn't support these old versions for Android any longer.
Recommended Eclipse version for ADT(Android Development Tools) are as follows which can be found on Google's official page. Link is here.
As you can see above, Eclipse's minimum version for ADT is Helios or higher, and all of trials in older Eclipse version like Galileo, Ganymede, Europa should be failed.
Thererfore if you experienced "Cannot complete the install because one or more required items could not be found" error, then reinstall Helios or highter version of Eclipse. Then You can successfully get Android Development Tools for Eclipse without any errors.
This is posted on 26 October 2012, and you believe time has been passed a lot at the time of your reading this posting, please check out Google's revelant page for getting correct version accordingly from here(Link).
To get Eclipse software, use next link. This is for Eclipse Indigo.
Installing ADT on Eclipse.
- Run Eclipse- Help > Install new software > Add Button > Name:Android, location: http://dl-ssl.google.com/android/eclipse
- Put check mark for Developer Tools, NDK Plugins.
- Click Next button.
- Window > Preferences > Android for Android SDK location.
1. Installing Java Development kit (JDK)
At this time, "jdk-7u9" is good. Higher version is the best.
You should install JDK, not JRE. JRE is just for running only.
2. Installing Android SDK
3. Installing Eclipse
I hope this fixes your problem. If you have any question or need further information, put comments on this postings or send e-mail to me at firstname.lastname@example.org
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Good day !