Google's latest compatibility Pack Android Design Support library adds a number of controls that conform to the material designs specification, such as the navigation view,floating Action Button, Snackbar,tabs,coordinatorlayout,appbarlayout,collapsingtoolbarlayout and so on.
The author also updated the SDK in time to obtain the Android Design Support library supporting package, but in the process of importing Eclipse project, some problems, reported "Error: No resource found that matches the given name: attr ‘backgroundTint‘
"Exception. After research, it is known that the implementation of the Android Design Support Library is based on the AppCompat package, use to increase the support appcompat, at this time only need to "right-click the library project folder and select Properties > Click Add > Add appcompat_v7 > click Apply. But this is not the end, according to the above operation, the Eclipse project under the Red Fork, although disappeared, but the project catalog still has a red fork. This is an old problem with the ADT plugin, choose the Options menu Project > Choose clean ... can solve the problem.
Android: Loading Android Design Support Library Exception solution