update launcher icon to latest design

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

app/src/main/res/drawable-v24/ic_launcher_background.xml

@@ -0,0 +1,44 @@
+<!--
+  ~ /*
+  ~  * Nextcloud Talk application
+  ~  *
+  ~  * @author Mario Danic
+  ~  * Copyright (C) 2017-2020 Mario Danic <mario@lovelyhq.com>
+  ~  *
+  ~  * This program is free software: you can redistribute it and/or modify
+  ~  * it under the terms of the GNU General Public License as published by
+  ~  * the Free Software Foundation, either version 3 of the License, or
+  ~  * at your option) any later version.
+  ~  *
+  ~  * This program is distributed in the hope that it will be useful,
+  ~  * but WITHOUT ANY WARRANTY; without even the implied warranty of
+  ~  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  ~  * GNU General Public License for more details.
+  ~  *
+  ~  * You should have received a copy of the GNU General Public License
+  ~  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  ~  */
+  -->
+
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108"
+    android:autoMirrored="true">
+  <group android:scaleX="0.08035714"
+      android:scaleY="0.08035714">
+      <path android:fillType="evenOdd"
+          android:pathData="M0,0h1344v1344h-1344z" android:strokeLineJoin="round">
+          <aapt:attr name="android:fillColor">
+              <gradient android:endX="1343.9999"
+                  android:endY="1.2959057E-4" android:startX="163.34073"
+                  android:startY="1344.0002" android:type="linear">
+                  <item android:color="#FF0082C9" android:offset="0"/>
+                  <item android:color="#FF1CAFFF" android:offset="1"/>
+              </gradient>
+          </aapt:attr>
+      </path>
+  </group>
+</vector>

app/src/main/res/drawable/ic_launcher_foreground.xml

@@ -19,15 +19,18 @@
   -->
 
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
-        android:width="108dp"
-        android:height="108dp"
-        android:viewportWidth="1680"
-        android:viewportHeight="1680">
-    <group android:translateX="168"
-            android:translateY="168">
-        <path
-            android:pathData="M672,347C493.7,347 347,493.7 347,672C347,672 347,672 347,672C347,850.2 493.7,996.9 672,996.9C731.4,996.8 789.7,980.3 840.5,949.4C880.5,965.2 969.9,1012.3 991.2,992C1013.5,970.7 965.1,870.7 953.5,833.6C981.8,784.4 996.8,728.7 996.9,672C996.9,493.7 850.2,347 672,347L672,347ZM672,470.5C782.5,470.5 873.5,561.5 873.5,672C873.5,782.6 782.5,873.5 672,873.5C561.5,873.5 470.5,782.6 470.5,672C470.5,672 470.5,672 470.5,672C470.5,561.5 561.5,470.5 672,470.5L672,470.5Z"
-            android:fillType="nonZero"
-            android:fillColor="#ffffff"/>
-    </group>
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+  <group android:scaleX="0.06428572"
+      android:scaleY="0.06428572">
+      <group android:translateX="168"
+              android:translateY="168">
+          <path
+              android:pathData="M672,347C493.7,347 347,493.7 347,672C347,672 347,672 347,672C347,850.2 493.7,996.9 672,996.9C731.4,996.8 789.7,980.3 840.5,949.4C880.5,965.2 969.9,1012.3 991.2,992C1013.5,970.7 965.1,870.7 953.5,833.6C981.8,784.4 996.8,728.7 996.9,672C996.9,493.7 850.2,347 672,347L672,347ZM672,470.5C782.5,470.5 873.5,561.5 873.5,672C873.5,782.6 782.5,873.5 672,873.5C561.5,873.5 470.5,782.6 470.5,672C470.5,672 470.5,672 470.5,672C470.5,561.5 561.5,470.5 672,470.5L672,470.5Z"
+              android:fillType="nonZero"
+              android:fillColor="#ffffff"/>
+      </group>
+  </group>
 </vector>

app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -1,22 +1,24 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-  ~ Nextcloud Talk application
-  ~
-  ~ @author Mario Danic
-  ~ Copyright (C) 2017-2019 Mario Danic <mario@lovelyhq.com>
-  ~
-  ~ This program is free software: you can redistribute it and/or modify
-  ~ it under the terms of the GNU General Public License as published by
-  ~ the Free Software Foundation, either version 3 of the License, or
-  ~ at your option) any later version.
-  ~
-  ~ This program is distributed in the hope that it will be useful,
-  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
-  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  ~ GNU General Public License for more details.
-  ~
-  ~ You should have received a copy of the GNU General Public License
-  ~ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  ~ /*
+  ~  * Nextcloud Talk application
+  ~  *
+  ~  * @author Mario Danic
+  ~  * Copyright (C) 2017-2020 Mario Danic <mario@lovelyhq.com>
+  ~  *
+  ~  * This program is free software: you can redistribute it and/or modify
+  ~  * it under the terms of the GNU General Public License as published by
+  ~  * the Free Software Foundation, either version 3 of the License, or
+  ~  * at your option) any later version.
+  ~  *
+  ~  * This program is distributed in the hope that it will be useful,
+  ~  * but WITHOUT ANY WARRANTY; without even the implied warranty of
+  ~  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  ~  * GNU General Public License for more details.
+  ~  *
+  ~  * You should have received a copy of the GNU General Public License
+  ~  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  ~  */
   -->
   
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">

app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ /*
+  ~  * Nextcloud Talk application
+  ~  *
+  ~  * @author Mario Danic
+  ~  * Copyright (C) 2017-2020 Mario Danic <mario@lovelyhq.com>
+  ~  *
+  ~  * This program is free software: you can redistribute it and/or modify
+  ~  * it under the terms of the GNU General Public License as published by
+  ~  * the Free Software Foundation, either version 3 of the License, or
+  ~  * at your option) any later version.
+  ~  *
+  ~  * This program is distributed in the hope that it will be useful,
+  ~  * but WITHOUT ANY WARRANTY; without even the implied warranty of
+  ~  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  ~  * GNU General Public License for more details.
+  ~  *
+  ~  * You should have received a copy of the GNU General Public License
+  ~  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  ~  */
+  -->
+
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>