YrXtals/scripts/android/generate-icons.sh

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#!/usr/bin/env bash
# rasterizes assets/androidIcon.svg edge-to-edge into the android mipmap-density buckets used by the launcher.
set -euo pipefail
ROOT="$(cd "$(dirname "$0")/../.." && pwd)"
SVG="$ROOT/assets/androidIcon.svg"
RES="$ROOT/android/app/src/main/res"
if [[ ! -f "$SVG" ]]; then
echo "ERROR: $SVG not found" >&2
exit 1
fi
if ! command -v rsvg-convert >/dev/null 2>&1; then
echo "ERROR: rsvg-convert not on PATH (brew install librsvg)" >&2
exit 1
fi
# launcher icon density buckets per the android docs.
DENSITIES=(
"mdpi 48"
"hdpi 72"
"xhdpi 96"
"xxhdpi 144"
"xxxhdpi 192"
)
for entry in "${DENSITIES[@]}"; do
bucket="${entry%% *}"
size="${entry##* }"
dir="$RES/mipmap-$bucket"
mkdir -p "$dir"
rsvg-convert --width="$size" --height="$size" "$SVG" -o "$dir/ic_launcher.png"
done
# 512x512 play-store icon staged alongside the launcher buckets
mkdir -p "$RES/mipmap-xxxhdpi"
rsvg-convert --width=512 --height=512 "$SVG" -o "$RES/mipmap-xxxhdpi/ic_launcher_play.png"
echo "wrote launcher icons across ${#DENSITIES[@]} density buckets + play store size"