diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1b60c71
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,13 @@
+# Android Studio configuration.
+*.iml
+.idea/
+
+# Gradle configuration.
+.gradle/
+build/
+
+# User configuration.
+local.properties
+
+# OS configurations.
+.DS_Store