JavaScrip call Java Objects

• Make java objects Javascript callable webview.addJavascriptInterface(Object, String)

• After addJavascriptInterface, this webpage must be load or reload to enable this object
• The javascript functions in WebView are run on another threads, so use runOnUiThread to update UI

• After API 17, use

import android.webkit.JavascriptInterface;

Before methods export to javascript add

@JavascriptInterface