Android Studio automatically deletes unused resources

Sometimes we add some resources, tablets and some useless code, and when we add a third-party library we only need to use some of the features and some of the resources, then this time if we manually to be afraid of very difficult to do, especially when the project is big, the Android team engineer Tor Norbye , on November 1, 2014 Google + released, said the Android Gradle plugin support to remove some unused resources, the configuration method is as follows:

android {   buildTypes {        release {            minifyEnabled true            shrinkResources true        }    }}

Android Studio automatically deletes unused resources