feat: Add adaptive icon support

Source files are in the /icons directory

Closes #430

GPSTest/src/main/res/drawable-v24/ic_launcher_foreground.xml

@@ -0,0 +1,41 @@
+<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">
+  <group android:scaleX="3.375"
+      android:scaleY="3.375"
+      android:translateX="13.5"
+      android:translateY="13.5">
+    <path
+        android:pathData="m8.0176,5.498 l-3,3.0098 2.1758,2.1758 -2.1758,1.8242 3.0566,3.0566 -3.0566,2.9434 11.3467,11.3467 13.1729,-0.001 4.6599,-2.1755 -9.6561,-9.6564 -12.5233,-12.5236 -1.9395,2.0605z"
+        android:strokeAlpha="0.052352943"
+        android:strokeLineJoin="miter"
+        android:strokeWidth="0"
+        android:strokeColor="#00000000"
+        android:fillAlpha="0.15"
+        android:strokeLineCap="butt">
+      <aapt:attr name="android:fillColor">
+        <gradient 
+            android:startY="5.4984746"
+            android:startX="5.017448"
+            android:endY="24.072266"
+            android:endX="23.59124"
+            android:type="linear">
+          <item android:offset="0" android:color="#FF000000"/>
+          <item android:offset="1" android:color="#00000000"/>
+        </gradient>
+      </aapt:attr>
+    </path>
+    <path
+        android:pathData="m5.0174,5.4985h3c0,1.66 -1.34,3.01 -3,3.01z"
+        android:fillColor="#3f51b5"/>
+    <path
+        android:pathData="m5.0174,12.5085v-2c2.76,0 5,-2.25 5,-5.01h2c0,3.87 -3.13,7.01 -7,7.01z"
+        android:fillColor="#3f51b5"/>
+    <path
+        android:pathData="m5.0174,18.5085 l3.5,-4.5 2.5,3.01 3.5,-4.51 4.5,6z"
+        android:fillColor="#3f51b5"/>
+  </group>
+</vector>

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

@@ -0,0 +1,29 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+  <group android:scaleX="3.375"
+      android:scaleY="3.375"
+      android:translateX="13.5"
+      android:translateY="13.5">
+    <path
+        android:pathData="M8.0176,5.498L5.0176,8.5078L7.1934,10.6836L5.0176,12.5078L8.0742,15.5645L5.0176,18.5078L10.5801,24.0723L23.9434,24.0723L23.9434,17.4238L12.0176,5.498L10.0781,7.5586L8.0176,5.498z"
+        android:strokeAlpha="0.03490196"
+        android:strokeLineJoin="miter"
+        android:strokeWidth="0"
+        android:fillColor="#000000"
+        android:strokeColor="#00000000"
+        android:fillAlpha="0.1"
+        android:strokeLineCap="butt"/>
+    <path
+        android:pathData="m5.0174,5.4985h3c0,1.66 -1.34,3.01 -3,3.01z"
+        android:fillColor="#3f51b5"/>
+    <path
+        android:pathData="m5.0174,12.5085v-2c2.76,0 5,-2.25 5,-5.01h2c0,3.87 -3.13,7.01 -7,7.01z"
+        android:fillColor="#3f51b5"/>
+    <path
+        android:pathData="m5.0174,18.5085 l3.5,-4.5 2.5,3.01 3.5,-4.51 4.5,6z"
+        android:fillColor="#3f51b5"/>
+  </group>
+</vector>

GPSTest/src/main/res/mipmap-anydpi-v26/ic_launcher.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/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

GPSTest/src/main/res/mipmap-anydpi-v26/ic_launcher_round.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/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

GPSTest/src/main/res/values/ic_launcher_background.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="ic_launcher_background">#C5CAE9</color>
+</resources>

icons/README.md

@@ -0,0 +1,14 @@
+Use inverse_satellite with web launcher icon generator:
+https://romannurik.github.io/AndroidAssetStudio/icons-launcher.html#foreground.type=image&foreground.space.trim=1&foreground.space.pad=0.2&foreColor=rgba(96%2C%20125%2C%20139%2C%200)&backColor=rgb(197%2C%20202%2C%20233)&crop=0&backgroundShape=square&effects=shadow&name=ic_launcher
+
+Trim
+Padding 15%
+Foreground transparent (to use SVG color #3F51B5)
+Background color (#C5CAE9)
+Scaling - Center
+Shape - Square
+Effect - Cast shadow
+
+Generating Inkscape SVG with shadow:
+ 1. https://www.klaasnotfound.com/2016/09/12/creating-material-icons-with-long-shadows/ and https://graphicdesign.stackexchange.com/questions/77316/creating-icons-with-long-shadows-for-android
+ 2. Fix gradient non-stop issue by generating a "non-stop" version for import into Android Studio Image Asset adaptive icons - https://github.com/14v/svg-non-stop

icons/inverse_satellite.svg

@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:cc="http://creativecommons.org/ns#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+    xmlns="http://www.w3.org/2000/svg" xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+    xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape" fill="#000000" height="24" viewBox="0 0 24 24"
+    width="24" version="1.1" id="svg6" sodipodi:docname="inverse_satellite.svg" inkscape:version="0.92.1 r15371">
+  <metadata
+     id="metadata12">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs10" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1536"
+     inkscape:window-height="801"
+     id="namedview8"
+     showgrid="false"
+     inkscape:zoom="13.906433"
+     inkscape:cx="3.1558719"
+     inkscape:cy="14.396839"
+     inkscape:window-x="-8"
+     inkscape:window-y="-8"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg6" />
+  <path
+     d="M0 0h24v24H0z"
+     id="path2"
+     fill="none" />
+  <path
+     d="m 5.0174481,5.4984745 h 3 c 0,1.66 -1.34,3.01 -3,3.01 z"
+     id="path4493"
+     inkscape:connector-curvature="0"
+     style="fill:#3f51b5;fill-opacity:1" />
+  <path
+     d="m 5.0174481,12.508475 v -2 c 2.76,0 4.9999989,-2.2500005 4.9999989,-5.0100005 h 2 c 0,3.87 -3.1299989,7.0100005 -6.9999989,7.0100005 z"
+     id="path4491"
+     inkscape:connector-curvature="0"
+     style="fill:#3f51b5;fill-opacity:1" />
+  <path
+     d="m 5.0174481,18.508475 3.5,-4.5 2.4999989,3.01 3.5,-4.51 4.5,6 z"
+     id="path4"
+     inkscape:connector-curvature="0"
+     style="fill-opacity:1;fill:#3f51b5" />
+</svg>

icons/inverse_satellite_with_shadow_gradient-v2.svg

@@ -0,0 +1,92 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:cc="http://creativecommons.org/ns#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+    xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+    xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape" fill="#000000" height="24" viewBox="0 0 24 24"
+    width="24" version="1.1" id="svg6" sodipodi:docname="inverse_satellite_with_shadow_gradient-v2.svg"
+    inkscape:version="0.92.1 r15371">
+  <metadata
+     id="metadata12">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs10">
+    <linearGradient
+       inkscape:collect="always"
+       id="linearGradient5863">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop5859" />
+      <stop
+         style="stop-color:#000000;stop-opacity:0;"
+         offset="1"
+         id="stop5861" />
+    </linearGradient>
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient5863"
+       id="linearGradient5865"
+       x1="5.0174479"
+       y1="5.4984746"
+       x2="23.59124"
+       y2="24.072266"
+       gradientUnits="userSpaceOnUse" />
+  </defs>
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="2560"
+     inkscape:window-height="1346"
+     id="namedview8"
+     showgrid="false"
+     inkscape:zoom="32"
+     inkscape:cx="3.6022354"
+     inkscape:cy="11.286645"
+     inkscape:window-x="2293"
+     inkscape:window-y="-11"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg6"
+     inkscape:object-paths="true"
+     inkscape:snap-intersection-paths="true"
+     inkscape:snap-smooth-nodes="true"
+     inkscape:snap-midpoints="true" />
+  <path
+     d="M0 0h24v24H0z"
+     id="path2"
+     fill="none" />
+  <path
+     style="opacity:0.15;fill:url(#linearGradient5865);fill-opacity:1;stroke:none;stroke-width:0;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:0.34901961"
+     d="m 8.0175781,5.4980469 -3,3.0097656 2.1757813,2.1757815 -2.1757813,1.824218 3.0566407,3.056641 -3.0566407,2.943359 11.3466799,11.34668 13.172851,-9.76e-4 4.659877,-2.1755 -9.656128,-9.656371 -12.52328,-12.5235961 -1.939453,2.0605469 z"
+     id="path5292"
+     inkscape:connector-curvature="0"
+     sodipodi:nodetypes="ccccccccccccc" />
+  <path
+     d="m 5.0174481,5.4984745 h 3 c 0,1.66 -1.34,3.01 -3,3.01 z"
+     id="path4493"
+     inkscape:connector-curvature="0"
+     style="fill:#3f51b5;fill-opacity:1" />
+  <path
+     d="m 5.0174481,12.508475 v -2 c 2.76,0 4.9999989,-2.2500005 4.9999989,-5.0100005 h 2 c 0,3.87 -3.1299989,7.0100005 -6.9999989,7.0100005 z"
+     id="path4491"
+     inkscape:connector-curvature="0"
+     style="fill:#3f51b5;fill-opacity:1" />
+  <path
+     d="m 5.0174481,18.508475 3.5,-4.5 2.4999989,3.01 3.5,-4.51 4.5,6 z"
+     id="path4"
+     inkscape:connector-curvature="0"
+     style="fill-opacity:1;fill:#3f51b5" />
+</svg>

icons/inverse_satellite_with_shadow_gradient-v2_nonstop.svg

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/"
+    xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+    xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd" xmlns:xlink="http://www.w3.org/1999/xlink" fill="#000000" height="24" id="svg6"
+    inkscape:version="0.92.1 r15371" sodipodi:docname="inverse_satellite_with_shadow_gradient-v2.svg" version="1.1"
+    viewBox="0 0 24 24" width="24">
+  <metadata id="metadata12">
+    <rdf:RDF>
+      <cc:Work rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage"/>
+        <dc:title/>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs id="defs10">
+    <linearGradient id="linearGradient5863" inkscape:collect="always">
+      <stop id="stop5859" offset="0" style="stop-color:#000000;stop-opacity:1;"/>
+      <stop id="stop5861" offset="1" style="stop-color:#000000;stop-opacity:0;"/>
+    </linearGradient>
+    <linearGradient gradientUnits="userSpaceOnUse" id="linearGradient5865" inkscape:collect="always" x1="5.0174479" x2="23.59124" xlink:href="#linearGradient5863" y1="5.4984746" y2="24.072266"><stop id="stop5859" offset="0" style="stop-color:#000000;stop-opacity:1;"/><stop id="stop5861" offset="1" style="stop-color:#000000;stop-opacity:0;"/></linearGradient>
+  </defs>
+  <sodipodi:namedview bordercolor="#666666" borderopacity="1" gridtolerance="10" guidetolerance="10" id="namedview8" inkscape:current-layer="svg6" inkscape:cx="3.6022354" inkscape:cy="11.286645" inkscape:object-paths="true" inkscape:pageopacity="0" inkscape:pageshadow="2" inkscape:snap-intersection-paths="true" inkscape:snap-midpoints="true" inkscape:snap-smooth-nodes="true" inkscape:window-height="1346" inkscape:window-maximized="1" inkscape:window-width="2304" inkscape:window-x="5365" inkscape:window-y="-11" inkscape:zoom="32" objecttolerance="10" pagecolor="#ffffff" showgrid="false"/>
+  <path d="M0 0h24v24H0z" fill="none" id="path2"/>
+  <path d="m 8.0175781,5.4980469 -3,3.0097656 2.1757813,2.1757815 -2.1757813,1.824218 3.0566407,3.056641 -3.0566407,2.943359 11.3466799,11.34668 13.172851,-9.76e-4 4.659877,-2.1755 -9.656128,-9.656371 -12.52328,-12.5235961 -1.939453,2.0605469 z" id="path5292" inkscape:connector-curvature="0" sodipodi:nodetypes="ccccccccccccc" style="opacity:0.15;fill:url(#linearGradient5865);fill-opacity:1;stroke:none;stroke-width:0;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:0.34901961"/>
+  <path d="m 5.0174481,5.4984745 h 3 c 0,1.66 -1.34,3.01 -3,3.01 z" id="path4493" inkscape:connector-curvature="0" style="fill:#3f51b5;fill-opacity:1"/>
+  <path d="m 5.0174481,12.508475 v -2 c 2.76,0 4.9999989,-2.2500005 4.9999989,-5.0100005 h 2 c 0,3.87 -3.1299989,7.0100005 -6.9999989,7.0100005 z" id="path4491" inkscape:connector-curvature="0" style="fill:#3f51b5;fill-opacity:1"/>
+  <path d="m 5.0174481,18.508475 3.5,-4.5 2.4999989,3.01 3.5,-4.51 4.5,6 z" id="path4" inkscape:connector-curvature="0" style="fill-opacity:1;fill:#3f51b5"/>
+</svg>