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[°³¹ß Tip] WebView ¿¡¼­ ÀÚ¹Ù ½ºÅ©¸³Æ® »ç¿ë¿¹
7³â Àü
1. WebView(¾Èµå·ÎÀ̵å) JavascriptÇÔ¼ö È£ÃâÇϱâ

webView.loadUrl("javascript:callJS('Android')");
Çü½Ä> javascript:È£Ãâ ¸Þ¼Òµå¸í


2. Javascript¿¡¼­ Android È£ÃâÇϱâ

/** Object exposed to JavaScript */
    private class AndroidBridge {
       public void callAndroid(final String arg) { // must be final
          handler.post(new Runnable() {
             public void run() {
                Log.d(TAG, "callAndroid(" + arg + ")");
                textView.setText(arg);
             }
          });
       }
    }
    
    

1) ÀÚ¹Ù½ºÅ©¸³Æ®¸¦ »ç¿ë °¡´ÉÇϵµ·Ï ¼³Á¤ÇÑ´Ù.
           webView.getSettings().setJavaScriptEnabled(true);
          
2) WebView¿¡ Javascript Interface¸¦ Ãß°¡ÇØÁØ´Ù.
           webView.addJavascriptInterface(new AndroidBridge(),"AJInterface");
          
3) HTMLÆäÀÌÁö¿¡¼­ ´ÙÀ½°ú °°Àº ¹æ½ÄÀ¸·Î È£ÃâÇÑ´Ù.
           window.AJInterface.callAndroid('Hello from Browser')
AJInterface´Â addJavascriptInterfaceÀÇ µÎ¹ø° ÀÎÀÚ¿Í °°´Ù.


3. ÀÚ¹Ù½ºÅ©¸³Æ® ¸®½º³Ê ´Þ±â

¾Æ·¡¿Í °°ÀÌ WebViewÀÇ setWebChromeClient¸¦ ÀÌ¿ëÇÑ´Ù.
À§ ¿¹Á¦´Â JavascriptÀÇ alert¸Þ¼Òµå ¹ß»ý½Ã À̺¥Æ®ÀÌ´Ù.

webView.setWebChromeClient(new WebChromeClient() {
           @Override
           public boolean onJsAlert(final WebView view,
                 final String url, final String message,
                 JsResult result) {
              Log.d(TAG, "onJsAlert(" + view + ", " + url + ", "
                    + message + ", " + result + ")");
              Toast.makeText(LocalBrowser.this, message, 3000).show();
              result.confirm();
              return true; // I handled it
           }
        });
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