here android app
if need, add http proxy in file gradle.properties, for example:
systemProp.https.proxyHost=bluecoat-proxy
systemProp.https.proxyPort=8080
add project root folder local.properties includes android sdk home, for example:
sdk.dir=C\:\\dev\\programs\\Android\\sdk
Phone's screen resolution and styles tileSize relationship
npm install -g mapbox-gl-style-spec $ gl-style-validate style.json $ gl-style-migrate bright-v7.json > bright-v8.json