master c63f178a300: Make the Emacs icon ``adaptive''

[Po Lu]

branch: master
commit c63f178a3008be5f735580817ebab008bbc5257b
Author: Po Lu <luangruo@yahoo.com>
Commit: Po Lu <luangruo@yahoo.com>

    Make the Emacs icon ``adaptive''
    
    * java/AndroidManifest.xml.in (EmacsApplication): Set icon to
    @mipmap/emacs_icon.
    
    * java/org/gnu/emacs/EmacsService.java (onStartCommand): Pick a
    better name for the persistent notification channel.
    
    * java/res/drawable/emacs_background.xml:
    
    * java/res/drawable/emacs_foreground.xml:
    
    * java/res/mipmap/emacs_icon.png:
    
    * java/res/mipmap-v26/emacs_icon.xml: New files, comprising an
    ``adaptive icon'' required by some Android launchers.
---
 java/AndroidManifest.xml.in            |   2 +-
 java/org/gnu/emacs/EmacsService.java   |   2 +-
 java/res/drawable/emacs_background.xml |  42 ++++++++++++++++++++++++++
 java/res/drawable/emacs_foreground.xml |  53 +++++++++++++++++++++++++++++++++
 java/res/mipmap-v26/emacs_icon.xml     |  23 ++++++++++++++
 java/res/mipmap/emacs_icon.png         | Bin 0 -> 13462 bytes
 6 files changed, 120 insertions(+), 2 deletions(-)

diff --git a/java/AndroidManifest.xml.in b/java/AndroidManifest.xml.in
index b9cda401c9d..2cbcdbc3e5b 100644
--- a/java/AndroidManifest.xml.in
+++ b/java/AndroidManifest.xml.in
@@ -76,7 +76,7 @@ along with GNU Emacs.  If not, see 
<https://www.gnu.org/licenses/>. -->
 
   <application android:name="org.gnu.emacs.EmacsApplication"
               android:label="Emacs"
-              android:icon="@drawable/emacs"
+              android:icon="@mipmap/emacs_icon"
               android:hardwareAccelerated="true"
               android:supportsRtl="true"
               android:theme="@style/EmacsStyle"
diff --git a/java/org/gnu/emacs/EmacsService.java 
b/java/org/gnu/emacs/EmacsService.java
index 19ce67c59b7..404796cd08c 100644
--- a/java/org/gnu/emacs/EmacsService.java
+++ b/java/org/gnu/emacs/EmacsService.java
@@ -171,7 +171,7 @@ public final class EmacsService extends Service
                     + " may disable it if you want;"
                     + " see (emacs)Android Environment.");
        channel
-         = new NotificationChannel ("emacs", "Emacs persistent notification",
+         = new NotificationChannel ("emacs", "Emacs Background Service",
                                     NotificationManager.IMPORTANCE_DEFAULT);
        manager.createNotificationChannel (channel);
        notification = (new Notification.Builder (this, "emacs")
diff --git a/java/res/drawable/emacs_background.xml 
b/java/res/drawable/emacs_background.xml
new file mode 100644
index 00000000000..c4562d754d5
--- /dev/null
+++ b/java/res/drawable/emacs_background.xml
@@ -0,0 +1,42 @@
+<!-- Adaptive icon for Emacs.
+
+Copyright (C) 2023 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs 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.
+
+GNU Emacs 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 GNU Emacs.  If not, see <https://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="512"
+       android:viewportHeight="512">
+  <path
+      android:pathData="M-4.99,-5.79h521.12v526.76h-521.12z"
+      android:strokeWidth="10.6667">
+    <aapt:attr name="android:fillColor">
+      <gradient 
+          android:startX="0"
+          android:startY="0"
+          android:endX="512"
+          android:endY="512"
+          android:type="linear">
+        <item android:offset="0" android:color="#FF8381C5"/>
+        <item android:offset="0.34" android:color="#FE806BBC"/>
+        <item android:offset="1" android:color="#FDA52ECB"/>
+      </gradient>
+    </aapt:attr>
+  </path>
+</vector>
diff --git a/java/res/drawable/emacs_foreground.xml 
b/java/res/drawable/emacs_foreground.xml
new file mode 100644
index 00000000000..ff9e854d038
--- /dev/null
+++ b/java/res/drawable/emacs_foreground.xml
@@ -0,0 +1,53 @@
+<!-- Adaptive icon for Emacs.
+
+Copyright (C) 2023 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs 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.
+
+GNU Emacs 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 GNU Emacs.  If not, see <https://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="512"
+       android:viewportHeight="512">
+  <group android:scaleX="0.6"
+        android:scaleY="0.6"
+        android:translateX="102.4"
+        android:translateY="102.4">
+    <path
+        android:pathData="M0,0h512v512h-512z">
+      <aapt:attr name="android:fillColor">
+        <gradient 
+            android:startX="-0"
+            android:startY="256"
+            android:endX="512"
+            android:endY="256"
+            android:type="linear">
+          <item android:offset="1" android:color="#00000000"/>
+          <item android:offset="1" android:color="#FF5B2A85"/>
+        </gradient>
+      </aapt:attr>
+    </path>
+    <path
+        android:pathData="m174.83,422.11c0,0 19.74,1.4 45.13,-0.84 10.28,-0.91 
49.33,-4.74 78.52,-11.14 0,0 35.59,-7.62 54.63,-14.63 19.92,-7.34 30.76,-13.57 
35.64,-22.4 -0.21,-1.81 1.5,-8.22 -7.68,-12.08 -23.49,-9.85 -50.73,-8.07 
-104.63,-9.21 -59.78,-2.05 -79.66,-12.06 -90.26,-20.12 -10.16,-8.18 
-5.05,-30.79 38.47,-50.71 21.92,-10.61 107.87,-30.19 107.87,-30.19 
-28.95,-14.31 -82.92,-39.46 -94.01,-44.89 -9.73,-4.76 -25.3,-11.94 
-28.68,-20.61 -3.83,-8.33 9.04,-15.51 16.22,-17.56 23.14,-6 [...]
+        android:strokeLineJoin="miter"
+        android:strokeWidth="0"
+        android:fillColor="#ffffff"
+        android:strokeColor="#000000"
+        android:fillType="evenOdd"
+        android:strokeLineCap="butt"/>
+  </group>
+</vector>
diff --git a/java/res/mipmap-v26/emacs_icon.xml 
b/java/res/mipmap-v26/emacs_icon.xml
new file mode 100644
index 00000000000..9f070e3f3d2
--- /dev/null
+++ b/java/res/mipmap-v26/emacs_icon.xml
@@ -0,0 +1,23 @@
+<!-- Adaptive icon for Emacs.
+
+Copyright (C) 2023 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs 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.
+
+GNU Emacs 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 GNU Emacs.  If not, see <https://www.gnu.org/licenses/>. -->
+
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android";>
+  <background android:drawable="@drawable/emacs_background"/>
+  <foreground android:drawable="@drawable/emacs_foreground"/>
+</adaptive-icon>
diff --git a/java/res/mipmap/emacs_icon.png b/java/res/mipmap/emacs_icon.png
new file mode 100644
index 00000000000..9ab43d704be
Binary files /dev/null and b/java/res/mipmap/emacs_icon.png differ