Android Studio: Gradle sync failed: Connection timed out: connect

Question

My Android Studio was working fine till morning, but since tonight I get error saying \"Gradle sync failed: Connection timed out: connect. If you are behind an HTTP proxy, p

Answer 1

Do not forget proxy for https in gradle.properties

systemProp.http.proxyHost=your.proxy.host
systemProp.http.proxyPort=8080
systemProp.http.proxyUser=username
systemProp.http.proxyPassword=password
#
# DO NOT forget https proxy, too!
#
systemProp.https.proxyHost=your.proxy.host
systemProp.https.proxyPort=8080
systemProp.https.proxyUser=username
systemProp.https.proxyPassword=password