diff --git a/example-camera/.gitignore b/example-camera/.gitignore
new file mode 100644
index 0000000..e4d4b5d
--- /dev/null
+++ b/example-camera/.gitignore
@@ -0,0 +1,5 @@
+obj
+*.xcworkspace
+*.xcuserdatad
+*~
+config.make
diff --git a/example-camera/example-camera.xcodeproj/project.xcworkspace/xcuserdata/kr15h.xcuserdatad/UserInterfaceState.xcuserstate b/example-camera/example-camera.xcodeproj/project.xcworkspace/xcuserdata/kr15h.xcuserdatad/UserInterfaceState.xcuserstate
deleted file mode 100644
index 52869e7..0000000
Binary files a/example-camera/example-camera.xcodeproj/project.xcworkspace/xcuserdata/kr15h.xcuserdatad/UserInterfaceState.xcuserstate and /dev/null differ