diff --git a/phoneClients/android/app/.gitignore b/phoneClients/android/app/.gitignore
index 796b96d..3a36c6e 100644
--- a/phoneClients/android/app/.gitignore
+++ b/phoneClients/android/app/.gitignore
@@ -1 +1,26 @@
-/build
+# Built application files
+*.apk
+*.ap_
+
+# Files for the Dalvik VM
+*.dex
+
+# Java class files
+*.class
+
+# Generated files
+bin/
+gen/
+
+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Proguard folder generated by Eclipse
+proguard/
+
+#Log Files
+*.log