Create initial empty application

android/gradle.properties

+org.gradle.jvmargs=-Xmx1536M
+android.useAndroidX=true
+android.enableJetifier=true
+app.versionName=0.0.1
+app.versionCode=1

android/gradle/wrapper/gradle-wrapper.properties

+#Fri Jun 23 08:50:38 CEST 2017
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-all.zip

android/settings.gradle

+include ':app'
+
+def localPropertiesFile = new File(rootProject.projectDir, "local.properties")
+def properties = new Properties()
+
+assert localPropertiesFile.exists()
+localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) }
+
+def flutterSdkPath = properties.getProperty("flutter.sdk")
+assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
+apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle"

icons/build_application_icons.sh

+#! /bin/bash
+
+# Check dependencies
+command -v inkscape >/dev/null 2>&1 || { echo >&2 "I require inkscape but it's not installed. Aborting."; exit 1; }
+command -v scour >/dev/null 2>&1 || { echo >&2 "I require scour but it's not installed. Aborting."; exit 1; }
+command -v optipng >/dev/null 2>&1 || { echo >&2 "I require optipng but it's not installed. Aborting."; exit 1; }
+
+CURRENT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"
+BASE_DIR="$(dirname "${CURRENT_DIR}")"
+
+SOURCE="${CURRENT_DIR}/icon.svg"
+SOURCE_FASTLANE="${CURRENT_DIR}/featureGraphic.svg"
+
+OPTIPNG_OPTIONS="-preserve -quiet -o7"
+
+if [ ! -f "${SOURCE}" ]; then
+  echo "Missing file: ${SOURCE}"
+fi
+
+if [ ! -f "${SOURCE_FASTLANE}" ]; then
+  echo "Missing file: ${SOURCE_FASTLANE}"
+fi
+
+# optimize svg
+cp ${SOURCE} ${SOURCE}.tmp
+scour \
+    --remove-descriptive-elements \
+    --enable-id-stripping \
+    --enable-viewboxing \
+    --enable-comment-stripping \
+    --nindent=4 \
+    --quiet \
+    -i ${SOURCE}.tmp \
+    -o ${SOURCE}
+rm ${SOURCE}.tmp
+
+# build icons
+function build_icon() {
+  ICON_SIZE="$1"
+  TARGET="$2"
+
+  echo "Building ${TARGET}"
+
+  TARGET_PNG="${TARGET}.png"
+
+  inkscape \
+      --export-width=${ICON_SIZE} \
+      --export-height=${ICON_SIZE} \
+      --export-filename=${TARGET_PNG} \
+      ${SOURCE}
+
+  optipng ${OPTIPNG_OPTIONS} ${TARGET_PNG}
+}
+
+# build fastlane image
+function build_fastlane_image() {
+  WIDTH="$1"
+  HEIGHT="$2"
+  TARGET="$3"
+
+  echo "Building ${TARGET}"
+
+  cp ${SOURCE_FASTLANE} ${SOURCE_FASTLANE}.tmp
+  scour \
+      --remove-descriptive-elements \
+      --enable-id-stripping \
+      --enable-viewboxing \
+      --enable-comment-stripping \
+      --nindent=4 \
+      --quiet \
+      -i ${SOURCE_FASTLANE}.tmp \
+      -o ${SOURCE_FASTLANE}
+  rm ${SOURCE_FASTLANE}.tmp
+
+  TARGET_PNG="${TARGET}.png"
+
+  inkscape \
+      --export-width=${WIDTH} \
+      --export-height=${HEIGHT} \
+      --export-filename=${TARGET_PNG} \
+      ${SOURCE_FASTLANE}
+
+  optipng ${OPTIPNG_OPTIONS} ${TARGET_PNG}
+}
+
+build_icon  72 ${BASE_DIR}/android/app/src/main/res/mipmap-hdpi/ic_launcher
+build_icon  48 ${BASE_DIR}/android/app/src/main/res/mipmap-mdpi/ic_launcher
+build_icon  96 ${BASE_DIR}/android/app/src/main/res/mipmap-xhdpi/ic_launcher
+build_icon 144 ${BASE_DIR}/android/app/src/main/res/mipmap-xxhdpi/ic_launcher
+build_icon 192 ${BASE_DIR}/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher
+build_icon 512 ${BASE_DIR}/fastlane/metadata/android/en-US/images/icon
+
+build_fastlane_image 1024 500 ${BASE_DIR}/fastlane/metadata/android/en-US/images/featureGraphic

icons/build_game_icons.sh

+#! /bin/bash
+
+# Check dependencies
+command -v inkscape >/dev/null 2>&1 || { echo >&2 "I require inkscape but it's not installed. Aborting."; exit 1; }
+command -v scour >/dev/null 2>&1 || { echo >&2 "I require scour but it's not installed. Aborting."; exit 1; }
+command -v optipng >/dev/null 2>&1 || { echo >&2 "I require optipng but it's not installed. Aborting."; exit 1; }
+
+CURRENT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"
+BASE_DIR="$(dirname "${CURRENT_DIR}")"
+ASSETS_DIR="${BASE_DIR}/assets"
+
+OPTIPNG_OPTIONS="-preserve -quiet -o7"
+ICON_SIZE=192
+
+#######################################################
+
+# Game images
+AVAILABLE_GAME_IMAGES="
+  button_back
+  button_start
+  game_fail
+  game_win
+"
+
+# Settings images
+AVAILABLES_GAME_SETTINGS="
+  level:easy,medium,hard
+"
+
+# Skins
+AVAILABLE_SKINS="
+  default
+  images
+"
+
+# Images per skin
+SKIN_IMAGES="
+  empty
+"
+
+#######################################################
+
+# optimize svg
+function optimize_svg() {
+  SOURCE="$1"
+
+  cp ${SOURCE} ${SOURCE}.tmp
+  scour \
+      --remove-descriptive-elements \
+      --enable-id-stripping \
+      --enable-viewboxing \
+      --enable-comment-stripping \
+      --nindent=4 \
+      --quiet \
+      -i ${SOURCE}.tmp \
+      -o ${SOURCE}
+  rm ${SOURCE}.tmp
+}
+
+# build icons
+function build_icon() {
+  SOURCE="$1"
+  TARGET="$2"
+
+  echo "Building ${TARGET}"
+
+  if [ ! -f "${SOURCE}" ]; then
+    echo "Missing file: ${SOURCE}"
+    exit 1
+  fi
+
+  optimize_svg "${SOURCE}"
+
+  inkscape \
+      --export-width=${ICON_SIZE} \
+      --export-height=${ICON_SIZE} \
+      --export-filename=${TARGET} \
+      ${SOURCE}
+
+  optipng ${OPTIPNG_OPTIONS} ${TARGET}
+}
+
+function build_settings_icons() {
+  INPUT_STRING="$1"
+
+  SETTING_NAME="$(echo "${INPUT_STRING}" | cut -d":" -f1)"
+  SETTING_VALUES="$(echo "${INPUT_STRING}" | cut -d":" -f2 | tr "," " ")"
+
+  for SETTING_VALUE in ${SETTING_VALUES}
+  do
+    SETTING_CODE="${SETTING_NAME}_${SETTING_VALUE}"
+    build_icon ${CURRENT_DIR}/${SETTING_CODE}.svg ${ASSETS_DIR}/icons/${SETTING_CODE}.png
+  done
+}
+
+function build_icon_for_skin() {
+  SKIN_CODE="$1"
+
+  # skin main image
+  build_icon ${CURRENT_DIR}/skin_${SKIN_CODE}.svg ${ASSETS_DIR}/icons/skin_${SKIN_CODE}.png
+
+  # skin images
+  for SKIN_IMAGE in ${SKIN_IMAGES}
+  do
+    build_icon ${CURRENT_DIR}/skins/${SKIN_CODE}/${SKIN_IMAGE}.svg ${ASSETS_DIR}/skins/${SKIN_CODE}_${SKIN_IMAGE}.png
+  done
+}
+
+#######################################################
+
+# Create output folders
+mkdir -p ${ASSETS_DIR}/icons
+mkdir -p ${ASSETS_DIR}/skins
+
+# Delete existing generated images
+find ${ASSETS_DIR}/icons -type f -name "*.png" -delete
+find ${ASSETS_DIR}/skins -type f -name "*.png" -delete
+
+# build game images
+for GAME_IMAGE in ${AVAILABLE_GAME_IMAGES}
+do
+  build_icon ${CURRENT_DIR}/${GAME_IMAGE}.svg ${ASSETS_DIR}/icons/${GAME_IMAGE}.png
+done
+
+# build settings images
+for GAME_SETTING in ${AVAILABLES_GAME_SETTINGS}
+do
+  build_settings_icons "${GAME_SETTING}"
+done
+
+# build skins images
+for SKIN in ${AVAILABLE_SKINS}
+do
+  build_icon_for_skin "${SKIN}"
+done

icons/button_back.svg

+<?xml version="1.0" encoding="UTF-8"?>
+<svg enable-background="new 0 0 100 100" version="1.1" viewBox="0 0 93.665 93.676" xml:space="preserve" xmlns="http://www.w3.org/2000/svg"><rect x=".44662" y=".89101" width="92.772" height="91.894" ry="11.689" fill="#e41578" stroke="#fff" stroke-width=".238"/><path d="m59.387 71.362c1.1248 1.1302 4.0012 1.1302 4.0012 0v-45.921c0-1.1316-2.8832-1.1316-4.0121 0l-37.693 20.918c-1.1289 1.1248-1.1479 2.9551-0.02171 4.084z" fill="#fefeff" stroke="#930e4e" stroke-linecap="round" stroke-linejoin="round" stroke-width="8.257"/><path d="m57.857 68.048c0.96243 0.96706 3.4236 0.96706 3.4236 0v-39.292c0-0.96825-2.467-0.96825-3.4329 0l-32.252 17.898c-0.96594 0.96243-0.9822 2.5285-0.01858 3.4945z" fill="#fefeff" stroke="#feffff" stroke-linecap="round" stroke-linejoin="round" stroke-width="4.314"/></svg>

icons/button_start.svg

+<?xml version="1.0" encoding="UTF-8"?>
+<svg enable-background="new 0 0 100 100" version="1.1" viewBox="0 0 93.665 93.676" xml:space="preserve" xmlns="http://www.w3.org/2000/svg"><rect x=".44662" y=".89101" width="92.772" height="91.894" ry="11.689" fill="#49a1ee" stroke="#fff" stroke-width=".238"/><path d="m34.852 25.44c-1.1248-1.1302-4.0012-1.1302-4.0012 0v45.921c0 1.1316 2.8832 1.1316 4.0121 0l37.693-20.918c1.1289-1.1248 1.1479-2.9551 0.02171-4.084z" fill="#fefeff" stroke="#105ca1" stroke-linecap="round" stroke-linejoin="round" stroke-width="8.257"/><path d="m36.382 28.754c-0.96243-0.96706-3.4236-0.96706-3.4236 0v39.292c0 0.96825 2.467 0.96825 3.4329 0l32.252-17.898c0.96594-0.96243 0.9822-2.5285 0.01858-3.4945z" fill="#fefeff" stroke="#feffff" stroke-linecap="round" stroke-linejoin="round" stroke-width="4.314"/></svg>