diff --git a/app/build.gradle b/app/build.gradle
index 63318ac4..49afe195 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -43,7 +43,7 @@ android {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:3.17.24'
+    implementation 'com.simplemobiletools:commons:4.0.14'
     implementation 'me.grantland:autofittextview:0.2.1'
 
     testImplementation 'junit:junit:4.12'
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 4c10b7f9..4fcdae30 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -76,5 +76,252 @@
                 android:name="android.appwidget.provider"
                 android:resource="@xml/widget_info"/>
         </receiver>
+
+        <!-- Do not append ".Orange" to the default alias "name", it would remove the old homescreen launcher of users at upgrade -->
+        <activity-alias
+            android:name=".activities.SplashActivity"
+            android:enabled="true"
+            android:icon="@mipmap/ic_launcher"
+            android:roundIcon="@mipmap/ic_launcher"
+            android:targetActivity=".activities.SplashActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity-alias>
+
+        <activity-alias
+            android:name=".activities.SplashActivity.Red"
+            android:enabled="false"
+            android:icon="@mipmap/ic_launcher_red"
+            android:roundIcon="@mipmap/ic_launcher_red"
+            android:targetActivity=".activities.SplashActivity">
+
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity-alias>
+
+        <activity-alias
+            android:name=".activities.SplashActivity.Pink"
+            android:enabled="false"
+            android:icon="@mipmap/ic_launcher_pink"
+            android:roundIcon="@mipmap/ic_launcher_pink"
+            android:targetActivity=".activities.SplashActivity">
+
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity-alias>
+
+        <activity-alias
+            android:name=".activities.SplashActivity.Purple"
+            android:enabled="false"
+            android:icon="@mipmap/ic_launcher_purple"
+            android:roundIcon="@mipmap/ic_launcher_purple"
+            android:targetActivity=".activities.SplashActivity">
+
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity-alias>
+
+        <activity-alias
+            android:name=".activities.SplashActivity.Deep_purple"
+            android:enabled="false"
+            android:icon="@mipmap/ic_launcher_deep_purple"
+            android:roundIcon="@mipmap/ic_launcher_deep_purple"
+            android:targetActivity=".activities.SplashActivity">
+
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity-alias>
+
+        <activity-alias
+            android:name=".activities.SplashActivity.Indigo"
+            android:enabled="false"
+            android:icon="@mipmap/ic_launcher_indigo"
+            android:roundIcon="@mipmap/ic_launcher_indigo"
+            android:targetActivity=".activities.SplashActivity">
+
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity-alias>
+
+        <activity-alias
+            android:name=".activities.SplashActivity.Blue"
+            android:enabled="false"
+            android:icon="@mipmap/ic_launcher_blue"
+            android:roundIcon="@mipmap/ic_launcher_blue"
+            android:targetActivity=".activities.SplashActivity">
+
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity-alias>
+
+        <activity-alias
+            android:name=".activities.SplashActivity.Light_blue"
+            android:enabled="false"
+            android:icon="@mipmap/ic_launcher_light_blue"
+            android:roundIcon="@mipmap/ic_launcher_light_blue"
+            android:targetActivity=".activities.SplashActivity">
+
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity-alias>
+
+        <activity-alias
+            android:name=".activities.SplashActivity.Cyan"
+            android:enabled="false"
+            android:icon="@mipmap/ic_launcher_cyan"
+            android:roundIcon="@mipmap/ic_launcher_cyan"
+            android:targetActivity=".activities.SplashActivity">
+
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity-alias>
+
+        <activity-alias
+            android:name=".activities.SplashActivity.Teal"
+            android:enabled="false"
+            android:icon="@mipmap/ic_launcher_teal"
+            android:roundIcon="@mipmap/ic_launcher_teal"
+            android:targetActivity=".activities.SplashActivity">
+
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity-alias>
+
+        <activity-alias
+            android:name=".activities.SplashActivity.Green"
+            android:enabled="false"
+            android:icon="@mipmap/ic_launcher_green"
+            android:roundIcon="@mipmap/ic_launcher_green"
+            android:targetActivity=".activities.SplashActivity">
+
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity-alias>
+
+        <activity-alias
+            android:name=".activities.SplashActivity.Light_green"
+            android:enabled="false"
+            android:icon="@mipmap/ic_launcher_light_green"
+            android:roundIcon="@mipmap/ic_launcher_light_green"
+            android:targetActivity=".activities.SplashActivity">
+
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity-alias>
+
+        <activity-alias
+            android:name=".activities.SplashActivity.Lime"
+            android:enabled="false"
+            android:icon="@mipmap/ic_launcher_lime"
+            android:roundIcon="@mipmap/ic_launcher_lime"
+            android:targetActivity=".activities.SplashActivity">
+
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity-alias>
+
+        <activity-alias
+            android:name=".activities.SplashActivity.Yellow"
+            android:enabled="false"
+            android:icon="@mipmap/ic_launcher_yellow"
+            android:roundIcon="@mipmap/ic_launcher_yellow"
+            android:targetActivity=".activities.SplashActivity">
+
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity-alias>
+
+        <activity-alias
+            android:name=".activities.SplashActivity.Amber"
+            android:enabled="false"
+            android:icon="@mipmap/ic_launcher_amber"
+            android:roundIcon="@mipmap/ic_launcher_amber"
+            android:targetActivity=".activities.SplashActivity">
+
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity-alias>
+
+        <activity-alias
+            android:name=".activities.SplashActivity.Deep_orange"
+            android:enabled="false"
+            android:icon="@mipmap/ic_launcher_deep_orange"
+            android:roundIcon="@mipmap/ic_launcher_deep_orange"
+            android:targetActivity=".activities.SplashActivity">
+
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity-alias>
+
+        <activity-alias
+            android:name=".activities.SplashActivity.Brown"
+            android:enabled="false"
+            android:icon="@mipmap/ic_launcher_brown"
+            android:roundIcon="@mipmap/ic_launcher_brown"
+            android:targetActivity=".activities.SplashActivity">
+
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity-alias>
+
+        <activity-alias
+            android:name=".activities.SplashActivity.Blue_grey"
+            android:enabled="false"
+            android:icon="@mipmap/ic_launcher_blue_grey"
+            android:roundIcon="@mipmap/ic_launcher_blue_grey"
+            android:targetActivity=".activities.SplashActivity">
+
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity-alias>
+
+        <activity-alias
+            android:name=".activities.SplashActivity.Grey_black"
+            android:enabled="false"
+            android:icon="@mipmap/ic_launcher_grey_black"
+            android:roundIcon="@mipmap/ic_launcher_grey_black"
+            android:targetActivity=".activities.SplashActivity">
+
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity-alias>
     </application>
 </manifest>
diff --git a/app/src/main/kotlin/com/simplemobiletools/calculator/activities/MainActivity.kt b/app/src/main/kotlin/com/simplemobiletools/calculator/activities/MainActivity.kt
index cdec5a0d..c8e85431 100644
--- a/app/src/main/kotlin/com/simplemobiletools/calculator/activities/MainActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/calculator/activities/MainActivity.kt
@@ -30,7 +30,7 @@ class MainActivity : SimpleActivity(), Calculator {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
-        appLaunched()
+        appLaunched(BuildConfig.APPLICATION_ID)
 
         calc = CalculatorImpl(this, applicationContext)
 
diff --git a/app/src/main/kotlin/com/simplemobiletools/calculator/activities/SimpleActivity.kt b/app/src/main/kotlin/com/simplemobiletools/calculator/activities/SimpleActivity.kt
index 1f863cc2..ac2d90a7 100644
--- a/app/src/main/kotlin/com/simplemobiletools/calculator/activities/SimpleActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/calculator/activities/SimpleActivity.kt
@@ -1,5 +1,30 @@
 package com.simplemobiletools.calculator.activities
 
+import com.simplemobiletools.calculator.R
 import com.simplemobiletools.commons.activities.BaseSimpleActivity
 
-open class SimpleActivity : BaseSimpleActivity()
+open class SimpleActivity : BaseSimpleActivity() {
+    override fun getAppIconIDs() = arrayListOf(
+            R.mipmap.ic_launcher_red,
+            R.mipmap.ic_launcher_pink,
+            R.mipmap.ic_launcher_purple,
+            R.mipmap.ic_launcher_deep_purple,
+            R.mipmap.ic_launcher_indigo,
+            R.mipmap.ic_launcher_blue,
+            R.mipmap.ic_launcher_light_blue,
+            R.mipmap.ic_launcher_cyan,
+            R.mipmap.ic_launcher_teal,
+            R.mipmap.ic_launcher_green,
+            R.mipmap.ic_launcher_light_green,
+            R.mipmap.ic_launcher_lime,
+            R.mipmap.ic_launcher_yellow,
+            R.mipmap.ic_launcher_amber,
+            R.mipmap.ic_launcher,
+            R.mipmap.ic_launcher_deep_orange,
+            R.mipmap.ic_launcher_brown,
+            R.mipmap.ic_launcher_blue_grey,
+            R.mipmap.ic_launcher_grey_black
+    )
+
+    override fun getAppLauncherName() = getString(R.string.app_launcher_name)
+}
diff --git a/app/src/main/kotlin/com/simplemobiletools/calculator/activities/WidgetConfigureActivity.kt b/app/src/main/kotlin/com/simplemobiletools/calculator/activities/WidgetConfigureActivity.kt
index 13e27edc..9a84d7e6 100644
--- a/app/src/main/kotlin/com/simplemobiletools/calculator/activities/WidgetConfigureActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/calculator/activities/WidgetConfigureActivity.kt
@@ -116,17 +116,21 @@ class WidgetConfigureActivity : SimpleActivity() {
         }
     }
 
-    fun pickBackgroundColor() {
-        ColorPickerDialog(this, mBgColorWithoutTransparency) {
-            mBgColorWithoutTransparency = it
-            updateBackgroundColor()
+    private fun pickBackgroundColor() {
+        ColorPickerDialog(this, mBgColorWithoutTransparency) { wasPositivePressed, color ->
+            if (wasPositivePressed) {
+                mBgColorWithoutTransparency = color
+                updateBackgroundColor()
+            }
         }
     }
 
-    fun pickTextColor() {
-        ColorPickerDialog(this, mTextColor) {
-            mTextColor = it
-            updateTextColor()
+    private fun pickTextColor() {
+        ColorPickerDialog(this, mTextColor) { wasPositivePressed, color ->
+            if (wasPositivePressed) {
+                mTextColor = color
+                updateTextColor()
+            }
         }
     }
 
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
index 9512ead0..a77f7223 100644
--- a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@color/color_primary"/>
-    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+    <background android:drawable="@color/md_orange_700"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
 </adaptive-icon>
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_amber.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_amber.xml
new file mode 100644
index 00000000..dab4c0c5
--- /dev/null
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_amber.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/md_amber_700"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_blue.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_blue.xml
new file mode 100644
index 00000000..37bf057f
--- /dev/null
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_blue.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/md_blue_700"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_blue_grey.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_blue_grey.xml
new file mode 100644
index 00000000..3e4d0696
--- /dev/null
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_blue_grey.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/md_blue_grey_700"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_brown.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_brown.xml
new file mode 100644
index 00000000..9786d7bf
--- /dev/null
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_brown.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/md_brown_700"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_cyan.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_cyan.xml
new file mode 100644
index 00000000..afb3d0d3
--- /dev/null
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_cyan.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/md_cyan_700"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_deep_orange.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_deep_orange.xml
new file mode 100644
index 00000000..1846b81d
--- /dev/null
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_deep_orange.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/md_deep_orange_700"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_deep_purple.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_deep_purple.xml
new file mode 100644
index 00000000..4152801a
--- /dev/null
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_deep_purple.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/md_deep_purple_700"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_green.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_green.xml
new file mode 100644
index 00000000..e55d1092
--- /dev/null
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_green.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/md_green_700"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_grey_black.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_grey_black.xml
new file mode 100644
index 00000000..40d07450
--- /dev/null
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_grey_black.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/md_grey_black"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_indigo.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_indigo.xml
new file mode 100644
index 00000000..601d8170
--- /dev/null
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_indigo.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/md_indigo_700"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_light_blue.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_light_blue.xml
new file mode 100644
index 00000000..01f2fead
--- /dev/null
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_light_blue.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/md_light_blue_700"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_light_green.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_light_green.xml
new file mode 100644
index 00000000..d37b24c4
--- /dev/null
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_light_green.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/md_light_green_700"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_lime.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_lime.xml
new file mode 100644
index 00000000..9fd7bc5b
--- /dev/null
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_lime.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/md_lime_700"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_pink.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_pink.xml
new file mode 100644
index 00000000..d2adf9a0
--- /dev/null
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_pink.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/md_pink_700"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_purple.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_purple.xml
new file mode 100644
index 00000000..32c838cd
--- /dev/null
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_purple.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/md_purple_700"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_red.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_red.xml
new file mode 100644
index 00000000..a6e93599
--- /dev/null
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_red.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/md_red_700"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_teal.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_teal.xml
new file mode 100644
index 00000000..18492d28
--- /dev/null
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_teal.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/md_teal_700"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_yellow.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_yellow.xml
new file mode 100644
index 00000000..854427e0
--- /dev/null
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_yellow.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/md_yellow_700"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher.png b/app/src/main/res/mipmap-hdpi/ic_launcher.png
index 7b273e66..c374d5d9 100644
Binary files a/app/src/main/res/mipmap-hdpi/ic_launcher.png and b/app/src/main/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_amber.png b/app/src/main/res/mipmap-hdpi/ic_launcher_amber.png
new file mode 100644
index 00000000..43db8e79
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_amber.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_blue.png b/app/src/main/res/mipmap-hdpi/ic_launcher_blue.png
new file mode 100644
index 00000000..d0a03877
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_blue.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_blue_grey.png b/app/src/main/res/mipmap-hdpi/ic_launcher_blue_grey.png
new file mode 100644
index 00000000..ecfce62c
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_blue_grey.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_brown.png b/app/src/main/res/mipmap-hdpi/ic_launcher_brown.png
new file mode 100644
index 00000000..d3d297cf
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_brown.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_cyan.png b/app/src/main/res/mipmap-hdpi/ic_launcher_cyan.png
new file mode 100644
index 00000000..2a048cb6
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_cyan.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_deep_orange.png b/app/src/main/res/mipmap-hdpi/ic_launcher_deep_orange.png
new file mode 100644
index 00000000..9636703f
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_deep_orange.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_deep_purple.png b/app/src/main/res/mipmap-hdpi/ic_launcher_deep_purple.png
new file mode 100644
index 00000000..69a1c2ce
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_deep_purple.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png b/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png
new file mode 100644
index 00000000..6cf9d044
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_green.png b/app/src/main/res/mipmap-hdpi/ic_launcher_green.png
new file mode 100644
index 00000000..d362d5d2
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_green.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_grey_black.png b/app/src/main/res/mipmap-hdpi/ic_launcher_grey_black.png
new file mode 100644
index 00000000..363dd5fa
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_grey_black.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_indigo.png b/app/src/main/res/mipmap-hdpi/ic_launcher_indigo.png
new file mode 100644
index 00000000..46d79a45
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_indigo.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_light_blue.png b/app/src/main/res/mipmap-hdpi/ic_launcher_light_blue.png
new file mode 100644
index 00000000..85669f76
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_light_blue.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_light_green.png b/app/src/main/res/mipmap-hdpi/ic_launcher_light_green.png
new file mode 100644
index 00000000..62e712e5
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_light_green.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_lime.png b/app/src/main/res/mipmap-hdpi/ic_launcher_lime.png
new file mode 100644
index 00000000..8b28668d
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_lime.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_pink.png b/app/src/main/res/mipmap-hdpi/ic_launcher_pink.png
new file mode 100644
index 00000000..0a66bc09
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_pink.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_purple.png b/app/src/main/res/mipmap-hdpi/ic_launcher_purple.png
new file mode 100644
index 00000000..d44eb02a
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_purple.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_red.png b/app/src/main/res/mipmap-hdpi/ic_launcher_red.png
new file mode 100644
index 00000000..2bd3dfb3
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_red.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_teal.png b/app/src/main/res/mipmap-hdpi/ic_launcher_teal.png
new file mode 100644
index 00000000..f8e776fb
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_teal.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_yellow.png b/app/src/main/res/mipmap-hdpi/ic_launcher_yellow.png
new file mode 100644
index 00000000..66c3c1ff
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diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher.png b/app/src/main/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 00000000..61cf4734
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diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_amber.png b/app/src/main/res/mipmap-mdpi/ic_launcher_amber.png
new file mode 100644
index 00000000..2cb3297f
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diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_blue.png b/app/src/main/res/mipmap-mdpi/ic_launcher_blue.png
new file mode 100644
index 00000000..d94c1972
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diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_blue_grey.png b/app/src/main/res/mipmap-mdpi/ic_launcher_blue_grey.png
new file mode 100644
index 00000000..33969489
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diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_brown.png b/app/src/main/res/mipmap-mdpi/ic_launcher_brown.png
new file mode 100644
index 00000000..228f74aa
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diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_cyan.png b/app/src/main/res/mipmap-mdpi/ic_launcher_cyan.png
new file mode 100644
index 00000000..0ac59320
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diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_deep_orange.png b/app/src/main/res/mipmap-mdpi/ic_launcher_deep_orange.png
new file mode 100644
index 00000000..07afb92d
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diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_deep_purple.png b/app/src/main/res/mipmap-mdpi/ic_launcher_deep_purple.png
new file mode 100644
index 00000000..15d31312
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diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png b/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png
new file mode 100644
index 00000000..1760ab80
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diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_green.png b/app/src/main/res/mipmap-mdpi/ic_launcher_green.png
new file mode 100644
index 00000000..d0263901
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diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_grey_black.png b/app/src/main/res/mipmap-mdpi/ic_launcher_grey_black.png
new file mode 100644
index 00000000..8747f50f
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diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_indigo.png b/app/src/main/res/mipmap-mdpi/ic_launcher_indigo.png
new file mode 100644
index 00000000..a4509d8e
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diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_light_blue.png b/app/src/main/res/mipmap-mdpi/ic_launcher_light_blue.png
new file mode 100644
index 00000000..dff3d03d
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diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_light_green.png b/app/src/main/res/mipmap-mdpi/ic_launcher_light_green.png
new file mode 100644
index 00000000..35b23ba3
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diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_lime.png b/app/src/main/res/mipmap-mdpi/ic_launcher_lime.png
new file mode 100644
index 00000000..36a3d25c
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diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_pink.png b/app/src/main/res/mipmap-mdpi/ic_launcher_pink.png
new file mode 100644
index 00000000..9f6cf05e
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diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_purple.png b/app/src/main/res/mipmap-mdpi/ic_launcher_purple.png
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index 00000000..79f27542
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index 00000000..b4900eeb
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index 00000000..b9cbbd45
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index 00000000..2da4cfe2
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diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/app/src/main/res/mipmap-xhdpi/ic_launcher.png
index 9f57806d..e18d6f6c 100644
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index 00000000..66f55272
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index 00000000..18949de7
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