在Android浏览器或WebView中检测

活动- > onCreate

this.webView.getSettings().setUserAgentString(    this.webView.getSettings().getUserAgentString()     + " "    + getString(R.string.user_agent_suffix));

RES- >值-> strings.xml

<string name="user_agent_suffix">AppName/1.0</string>

Java脚本

function() isNativeApp {    return /AppName/[0-9.]+$/.test(navigator.userAgent);}