diff --git a/src/main/java/de/dennisguse/opentracks/.idea/.gitignore b/src/main/java/de/dennisguse/opentracks/.idea/.gitignore
new file mode 100644
index 000000000..13566b81b
--- /dev/null
+++ b/src/main/java/de/dennisguse/opentracks/.idea/.gitignore
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/src/main/java/de/dennisguse/opentracks/.idea/misc.xml b/src/main/java/de/dennisguse/opentracks/.idea/misc.xml
new file mode 100644
index 000000000..862d09bd6
--- /dev/null
+++ b/src/main/java/de/dennisguse/opentracks/.idea/misc.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/main/java/de/dennisguse/opentracks/.idea/modules.xml b/src/main/java/de/dennisguse/opentracks/.idea/modules.xml
new file mode 100644
index 000000000..0fe270624
--- /dev/null
+++ b/src/main/java/de/dennisguse/opentracks/.idea/modules.xml
@@ -0,0 +1,8 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/main/java/de/dennisguse/opentracks/.idea/vcs.xml b/src/main/java/de/dennisguse/opentracks/.idea/vcs.xml
new file mode 100644
index 000000000..821e530dd
--- /dev/null
+++ b/src/main/java/de/dennisguse/opentracks/.idea/vcs.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/main/java/de/dennisguse/opentracks/viewmodels/.scannerwork/.sonar_lock b/src/main/java/de/dennisguse/opentracks/viewmodels/.scannerwork/.sonar_lock
new file mode 100644
index 000000000..e69de29bb
diff --git a/src/main/java/de/dennisguse/opentracks/viewmodels/ClockViewHolder.java b/src/main/java/de/dennisguse/opentracks/viewmodels/ClockViewHolder.java
index 56214e0ad..7cebc02a4 100644
--- a/src/main/java/de/dennisguse/opentracks/viewmodels/ClockViewHolder.java
+++ b/src/main/java/de/dennisguse/opentracks/viewmodels/ClockViewHolder.java
@@ -23,5 +23,7 @@ public void configureUI(DataField dataField) {
@Override
public void onChanged(UnitSystem unitSystem, RecordingData data) {
+ // Do nothing.
+
}
}