fix: android icons

2025-11-07 17:44:50 +01:00
parent d744e783ac
commit 2eb33eb234
12 changed files with 132 additions and 1 deletions
@@ -0,0 +1,131 @@
+#!/usr/bin/env bash
+
+# Android Icon Generator Script
+# Generates notification icons and monochrome launcher icons from SVG source
+# Usage: ./generate_android_icons.sh
+
+set -e
+
+# Configuration
+SVG_SOURCE="assets/plezy.svg"
+ANDROID_RES="android/app/src/main/res"
+TEMP_DIR="/tmp/android_icons_$$"
+
+# Check if source SVG exists
+if [ ! -f "$SVG_SOURCE" ]; then
+    echo "Error: $SVG_SOURCE not found"
+    exit 1
+fi
+
+# Check for required tools
+if ! command -v rsvg-convert &> /dev/null; then
+    echo "Error: rsvg-convert not found. Install with: brew install librsvg"
+    exit 1
+fi
+
+if ! command -v magick &> /dev/null && ! command -v convert &> /dev/null; then
+    echo "Error: ImageMagick not found. Install with: brew install imagemagick"
+    exit 1
+fi
+
+# Create temp directory
+mkdir -p "$TEMP_DIR"
+
+echo "🎨 Generating Android icons from $SVG_SOURCE..."
+
+# Function to generate white silhouette icon
+generate_white_icon() {
+    local size=$1
+    local output=$2
+
+    # Get SVG dimensions to detect if it's non-square
+    local svg_viewbox=$(grep -o 'viewBox="[^"]*"' "$SVG_SOURCE" | sed 's/viewBox="//;s/"//')
+    local svg_width=$(echo "$svg_viewbox" | awk '{print $3}')
+    local svg_height=$(echo "$svg_viewbox" | awk '{print $4}')
+
+    # Convert SVG to PNG, preserving aspect ratio
+    if (( $(echo "$svg_width != $svg_height" | bc -l) )); then
+        # Non-square SVG: render at size and add padding to center it
+        rsvg-convert --keep-aspect-ratio --background-color=transparent "$SVG_SOURCE" -o "$TEMP_DIR/temp_unpadded.png"
+
+        # Center the image in a square canvas with transparent padding
+        magick "$TEMP_DIR/temp_unpadded.png" \
+            -resize "${size}x${size}" \
+            -gravity center \
+            -background transparent \
+            -extent "${size}x${size}" \
+            "$TEMP_DIR/temp.png"
+    else
+        # Square SVG: convert directly
+        rsvg-convert -w "$size" -h "$size" --background-color=transparent "$SVG_SOURCE" -o "$TEMP_DIR/temp.png"
+    fi
+
+    # Convert to white silhouette: extract alpha, fill with white, apply alpha
+    magick "$TEMP_DIR/temp.png" \
+        -alpha extract \
+        "$TEMP_DIR/alpha_mask.png"
+
+    magick -size "${size}x${size}" xc:white \
+        "$TEMP_DIR/alpha_mask.png" \
+        -alpha off \
+        -compose copy-opacity \
+        -composite \
+        -define png:color-type=6 \
+        "$output"
+
+    echo "  ✓ Generated $(basename $output) (${size}x${size}px)"
+}
+
+# Generate Notification Icons (24dp base)
+echo ""
+echo "📱 Generating notification icons (ic_stat_notification.png)..."
+
+# Notification icon densities: 24dp base
+# mdpi=1x, hdpi=1.5x, xhdpi=2x, xxhdpi=3x, xxxhdpi=4x
+declare -A NOTIF_SIZES=(
+    ["mdpi"]=24
+    ["hdpi"]=36
+    ["xhdpi"]=48
+    ["xxhdpi"]=72
+    ["xxxhdpi"]=96
+)
+
+for density in "${!NOTIF_SIZES[@]}"; do
+    size=${NOTIF_SIZES[$density]}
+    output_dir="$ANDROID_RES/drawable-$density"
+    mkdir -p "$output_dir"
+    generate_white_icon "$size" "$output_dir/ic_stat_notification.png"
+done
+
+# Generate Monochrome Launcher Icons (108dp base)
+echo ""
+echo "🚀 Generating monochrome launcher icons (ic_launcher_monochrome.png)..."
+
+# Monochrome launcher icon densities: 108dp base
+# mdpi=1x, hdpi=1.5x, xhdpi=2x, xxhdpi=3x, xxxhdpi=4x
+declare -A MONO_SIZES=(
+    ["mdpi"]=108
+    ["hdpi"]=162
+    ["xhdpi"]=216
+    ["xxhdpi"]=324
+    ["xxxhdpi"]=432
+)
+
+for density in "${!MONO_SIZES[@]}"; do
+    size=${MONO_SIZES[$density]}
+    output_dir="$ANDROID_RES/mipmap-$density"
+    mkdir -p "$output_dir"
+    generate_white_icon "$size" "$output_dir/ic_launcher_monochrome.png"
+done
+
+# Clean up
+rm -rf "$TEMP_DIR"
+
+echo ""
+echo "✅ All icons generated successfully!"
+echo ""
+echo "Icon locations:"
+echo "  • Notification icons: $ANDROID_RES/drawable-*/ic_stat_notification.png"
+echo "  • Monochrome icons: $ANDROID_RES/mipmap-*/ic_launcher_monochrome.png"
+echo ""
+echo "To apply changes, rebuild the app: flutter clean && flutter build apk"