Eclipse will show the prompt box ” SDK Platform Tools component is missing! … “!

Then I found that all Android projects will not automatically compile the R.java file.

So how to solve it?

In fact, this is caused by the mismatch between the ADT tool version and the Android SDK Platform-tools Version. The solution is to upgrade the Android SDK Platform-tools Version while upgrading the ADT plug-in. (Not Android SDK Tools, revision 11! )

Window> Android SDK and AVD Manager> Available Packages:

+ Android SDK Platform-tools, revision 3

Restart Eclipse after installation.