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

@@ -21,8 +21,10 @@
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="108dp"
     android:height="108dp"
-        android:viewportWidth="1680"
-        android:viewportHeight="1680">
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+  <group android:scaleX="0.06428572"
+      android:scaleY="0.06428572">
       <group android:translateX="168"
               android:translateY="168">
           <path
@@ -30,4 +32,5 @@
               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>