diff --git a/app/build.gradle b/app/build.gradle
index 02719d1fe..d8398b85d 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -46,7 +46,7 @@ ext {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:3.18.23'
+    implementation 'com.simplemobiletools:commons:3.21.2'
     implementation 'joda-time:joda-time:2.9.9'
     implementation 'com.facebook.stetho:stetho:1.5.0'
     implementation 'com.android.support:multidex:1.0.3'
diff --git a/app/src/main/kotlin/com/simplemobiletools/calendar/activities/MainActivity.kt b/app/src/main/kotlin/com/simplemobiletools/calendar/activities/MainActivity.kt
index 3617d07d5..483b14045 100644
--- a/app/src/main/kotlin/com/simplemobiletools/calendar/activities/MainActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/calendar/activities/MainActivity.kt
@@ -67,7 +67,7 @@ class MainActivity : SimpleActivity(), RefreshRecyclerViewListener {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
-        appLaunched()
+        appLaunched(BuildConfig.APPLICATION_ID)
 
         // just get a reference to the database to make sure it is created properly
         dbHelper
diff --git a/app/src/main/kotlin/com/simplemobiletools/calendar/activities/SimpleActivity.kt b/app/src/main/kotlin/com/simplemobiletools/calendar/activities/SimpleActivity.kt
index ab24d64f6..6e54ea0e5 100644
--- a/app/src/main/kotlin/com/simplemobiletools/calendar/activities/SimpleActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/calendar/activities/SimpleActivity.kt
@@ -1,5 +1,12 @@
 package com.simplemobiletools.calendar.activities
 
+import com.simplemobiletools.calendar.R
 import com.simplemobiletools.commons.activities.BaseSimpleActivity
 
-open class SimpleActivity : BaseSimpleActivity()
+open class SimpleActivity : BaseSimpleActivity() {
+    override fun getAppIconIDs() = arrayListOf(
+            R.mipmap.ic_launcher
+    )
+
+    override fun getAppLauncherName() = getString(R.string.app_launcher_name)
+}