diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..8b0b767
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,50 @@
+#built application files
+*.apk
+*.ap_
+
+# files for the dex VM
+*.dex
+
+# Java class files
+*.class
+
+# generated files
+bin/
+gen/
+out/
+obj/
+build/
+app/src/*/libs/
+app/src/*/obj/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Eclipse project files
+.classpath
+.project
+
+# OSX files
+.DS_Store
+
+# Windows thumbnail db
+Thumbs.db
+
+# IDEA/Android Studio project files, because
+# the project can be imported from settings.gradle
+.idea
+*.iml
+
+# Old-style IDEA project files
+*.ipr
+*.iws
+
+# Gradle cache
+.gradle
+gradle.properties
+
+# Sandbox stuff
+_sandbox
+
+# Emacs stuff
+prj.el