参考：http://stackoverflow.com/questions/17206514/where-is-the-warnings-view-in-android-studio
on the toolbar, you click Analyze -> Inspect Code; then in the window that pops up select how much of your project you want to inspect then click okay. Then the inspection window will pop up from the bottom with a list of results, subdivided by inspection.
Where is the warnings view in Android Studio?
原文：http://www.cnblogs.com/qike/p/5420601.html