diff --git a/app/.gitignore b/app/.gitignore
index 42afabf..16dcd12 100644
--- a/app/.gitignore
+++ b/app/.gitignore
@@ -1 +1,33 @@
-/build
\ No newline at end of file
+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Log/OS Files
+*.log
+
+# Android Studio generated files and folders
+captures/
+.externalNativeBuild/
+.cxx/
+*.apk
+output.json
+
+# IntelliJ
+*.iml
+.idea/
+misc.xml
+deploymentTargetDropDown.xml
+render.experimental.xml
+
+# Keystore files
+*.jks
+*.keystore
+
+# Google Services (e.g. APIs or Firebase)
+google-services.json
+
+# Android Profiling
+*.hprof
\ No newline at end of file
diff --git a/pinview/.gitignore b/pinview/.gitignore
index 42afabf..16dcd12 100644
--- a/pinview/.gitignore
+++ b/pinview/.gitignore
@@ -1 +1,33 @@
-/build
\ No newline at end of file
+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Log/OS Files
+*.log
+
+# Android Studio generated files and folders
+captures/
+.externalNativeBuild/
+.cxx/
+*.apk
+output.json
+
+# IntelliJ
+*.iml
+.idea/
+misc.xml
+deploymentTargetDropDown.xml
+render.experimental.xml
+
+# Keystore files
+*.jks
+*.keystore
+
+# Google Services (e.g. APIs or Firebase)
+google-services.json
+
+# Android Profiling
+*.hprof
\ No newline at end of file