Answers
iOS可以通过插入一个指向app-scheme://的iframe,并监听onerror时间来判断某个app是否已安装
Android可以看这里: http://stackoverflow.com/questions/13644712/launch-application-from-browser-url-scheme ,跟iOS差不多,但没实践过
http://iosdevelopertips.com/cocoa/launching-your-own-application-via-a-custom-url-scheme.html
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answered 10 years, 3 months ago