Here you can find the source of isCommonIntentUrl(String url)
public static boolean isCommonIntentUrl(String url)
//package com.java2s; public class Main { public static boolean isCommonIntentUrl(String url) { return url.startsWith("tel:") || url.startsWith("voicemail:") || url.startsWith("sms:") || url.startsWith("mailto:") || url.startsWith("geo:") || url.startsWith("google.streetview:"); }//from ww w . ja va 2s. c o m }