Give the winit and Tauri Android examples the brand launcher icon

.github/workflows/ci.yml

@@ -436,6 +436,8 @@ jobs:
         run: |
           export NDK_HOME="$ANDROID_NDK_LATEST_HOME"
           cargo tauri android init --ci
+          # The generated project carries Tauri's launcher icon until `tauri icon` writes the brand's into it.
+          cargo tauri icon ../../assets/brand/tauri-icon.json
           cargo tauri android build --apk --debug --target x86_64
           # Tauri's own files land in the plugin's copy of the module, never in the crate.
           test ! -e ../../android/.tauri
@@ -605,3 +607,21 @@ jobs:
             # An unsigned build applies no entitlements, so check the file the signed build applies.
             grep -q "com.apple.developer.aps-environment" examples/tauri/entitlements.plist || { echo "no aps-environment in examples/tauri/entitlements.plist"; exit 1; }
           fi
+      # The plugin's build script adds the push entitlement and the remote-notification background
+      # mode to the project `tauri ios init` generates, which only an iOS build exercises.
+      - name: Build the Tauri app for iOS, unsigned, and check the handler, the background mode, the entitlement and the icon
+        working-directory: examples/tauri
+        run: |
+          command -v xcodegen > /dev/null || brew install xcodegen
+          cargo tauri ios init --ci
+          cargo tauri icon ../../assets/brand/tauri-icon.json
+          cargo tauri ios build --debug --target aarch64 --no-sign
+          app=$(find gen/apple/build -maxdepth 4 -type d -path "*.xcarchive/Products/Applications/*.app" | head -n1)
+          test -n "$app"
+          binary="$app/$(/usr/libexec/PlistBuddy -c 'Print :CFBundleExecutable' "$app/Info.plist")"
+          nm -gU "$binary" | grep -q ___pushups_background_handler || { echo "no background handler in $binary"; exit 1; }
+          plutil -extract UIBackgroundModes json -o - "$app/Info.plist" | grep -q '"remote-notification"' || { echo "no remote-notification background mode in $app"; exit 1; }
+          plutil -extract CFBundleIcons.CFBundlePrimaryIcon.CFBundleIconName raw -o - "$app/Info.plist" | grep -qx AppIcon || { echo "no app icon in $app"; exit 1; }
+          test -f "$app/Assets.car" || { echo "no compiled asset catalog in $app"; exit 1; }
+          # An unsigned build applies no entitlements, so check the file the signed build applies.
+          grep -A1 aps-environment gen/apple/*_iOS/*_iOS.entitlements | grep -q development || { echo "no aps-environment in the generated entitlements"; exit 1; }

assets/brand/render.sh

@@ -29,4 +29,17 @@ done
 # iOS reads the home screen icon from this link and rounds its corners itself.
 rsvg-convert --width 180 --height 180 "$brand/icon.svg" --output "$public/icons/apple-touch-icon.png"
 
-oxipng --quiet --opt max --strip safe "$brand"/png/*.png "$public"/icons/*.png
+# The winit example's Android launcher icon, the adaptive foreground at 108dp and the square icon
+# at 48dp that Android 7 shows, per density.
+res=$brand/../../examples/winit/android/app/src/main/res
+for density in mdpi:1 hdpi:1.5 xhdpi:2 xxhdpi:3 xxxhdpi:4; do
+  name=${density%%:*}
+  scale=${density#*:}
+  mkdir -p "$res/mipmap-$name"
+  foreground=$(python3 -c "print(round(108 * $scale))")
+  legacy=$(python3 -c "print(round(48 * $scale))")
+  rsvg-convert --width "$foreground" --height "$foreground" "$brand/icon-android-foreground.svg" --output "$res/mipmap-$name/ic_launcher_foreground.png"
+  rsvg-convert --width "$legacy" --height "$legacy" "$brand/icon.svg" --output "$res/mipmap-$name/ic_launcher.png"
+done
+
+oxipng --quiet --opt max --strip safe "$brand"/png/*.png "$public"/icons/*.png "$res"/mipmap-*/*.png

assets/brand/tauri-icon.json

@@ -0,0 +1,5 @@
+{
+  "default": "icon.svg",
+  "bg_color": "#0e1824",
+  "android_fg": "icon-android-foreground.svg"
+}

assets/brand/variants.py

@@ -39,6 +39,9 @@ def svg(name, width, height, body, view_box=None):
 svg("icon-macos.svg", 1024, 1024, f'<rect x="100" y="100" width="824" height="824" rx="185" fill="{NAVY}"/>\n  {placed(1024, 0.48)}')
 # A maskable web icon, full bleed, with the mark inside the 80% circle Android crops to.
 svg("icon-maskable.svg", 1024, 1024, f'<rect width="1024" height="1024" fill="{NAVY}"/>\n  {placed(1024, 0.56)}')
+# The foreground layer of an Android adaptive icon, transparent on a 108dp canvas, with the mark
+# inside the 66dp circle every launcher mask keeps.
+svg("icon-android-foreground.svg", 1024, 1024, placed(1024, 0.46))
 svg("favicon.svg", 64, 64, f'<rect width="64" height="64" rx="14" fill="{NAVY}"/>\n  {placed(64, 0.78)}')
 svg(
     "social.svg",

examples/tauri/.gitignore

@@ -1,4 +1,5 @@
 /target
 /gen
+/icons
 /google-services.json
 /embedded.provisionprofile

examples/winit/android/app/src/main/AndroidManifest.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <application android:label="pushups winit example">
+    <application android:icon="@mipmap/ic_launcher" android:label="pushups winit example">
         <!-- android-activity runs the Rust `android_main` of `libmain.so` in this Activity. winit
              handles no events while it is paused, so it shows over the lock screen of a test phone. -->
         <activity

examples/winit/android/app/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="@mipmap/ic_launcher_foreground" />
+</adaptive-icon>

examples/winit/android/app/src/main/res/values/ic_launcher_background.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- The brand's navy, behind the mark of ic_launcher_foreground. -->
+    <color name="ic_launcher_background">#0E1824</color>
+</resources>