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POAndroid - Intercept Link From Webview
 

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  1. POAndroid - Intercept Link From Webview
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    <p>So I need the user clicked link in webview, in this case it is a link containing a .pdf file. I have code that launches the PDF reader but it doesn't get the link so it just loads the PDF reader on click of a PDF file. How do I intercept this link and feed it to my PDF reader intent?</p> <p>Code:</p> <pre><code>public class atcFaa extends Activity { WebView webview; private String url; ProgressBar pd = null; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.atccti); pd = (ProgressBar) findViewById(R.id.web_view_progress_bar); webview = (WebView) findViewById(R.id.ctiWebView); webview.getSettings().setJavaScriptEnabled(true); Button openPdfBtn = new Button(this); webview.addJavascriptInterface(openPdfBtn, "openPdfBtn"); openPdfBtn.setOnClickListener(new OnClickListener() { public void onClick(View v) { openPdf(); } }); webview.setWebChromeClient(new WebChromeClient() { public void onProgressChanged(WebView view, int progress) { if (progress &lt; 100 &amp;&amp; pd.getVisibility() == ProgressBar.GONE) { pd.setVisibility(ProgressBar.VISIBLE); } pd.setProgress(progress); if (progress == 100) { pd.setVisibility(ProgressBar.GONE); } } }); webview.setWebViewClient(new WebViewClient() { @Override public boolean shouldOverrideUrlLoading(WebView view, String url) { webview.getSettings().setJavaScriptEnabled(true); // do your handling codes here, which url is the requested url // probably you need to open that url rather than redirect: if (url.startsWith("tel:")) { startActivity(new Intent(Intent.ACTION_DIAL, Uri.parse(url))); } else if (url.startsWith("mailto:")) { url = url.replaceFirst("mailto:", ""); url = url.trim(); Intent i = new Intent(Intent.ACTION_SEND); i.setType("plain/text").putExtra(Intent.EXTRA_EMAIL, new String[] { url }); startActivity(i); } else if (url.startsWith("geo:")) { try { } catch (Exception e) { System.out.println(e); } } else if (url.endsWith("pdf")) { try { } catch (ActivityNotFoundException e) { Toast.makeText(atcFaa.this, "No PDF Viewer Installed", Toast.LENGTH_LONG).show(); } } else { view.loadUrl(url); } return true; // then it is not handled by default action } }); webview.loadUrl("http://www.faa.gov/air_traffic/publications/"); } protected void openPdf() { // TODO Auto-generated method stub Intent intent = new Intent(); intent.setAction(Intent.ACTION_VIEW); Uri uri = Uri.parse(url); intent.setDataAndType(uri, "application/pdf"); startActivity(intent); } @Override public boolean onCreateOptionsMenu(Menu menu) { MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.menu2, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.atcAbout2: Toast.makeText(this, "You pressed the icon!", Toast.LENGTH_LONG) .show(); break; case R.id.atcContact2: emailme(); break; } return true; } private void emailme() { // TODO Auto-generated method stub String domsEmail = "MYEMAIL@EXAMPLE.com"; String message = "Insert Message Here"; String myemail[] = { domsEmail }; Intent emailIntent = new Intent(android.content.Intent.ACTION_SEND); emailIntent.putExtra(android.content.Intent.EXTRA_EMAIL, myemail); emailIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, "ATC Assistant"); emailIntent.setType("plain/text"); emailIntent.putExtra(android.content.Intent.EXTRA_TEXT, message); startActivity(emailIntent); } /* * @Override public void onBackPressed() { if (webview.canGoBack()) * webview.goBack(); else super.onBackPressed(); } */ public void setUrl(String url) { this.url = url; } public String getUrl() { return url; } } </code></pre>
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      1. POAndroid - Intercept Link From Webview
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    1. COYou're already overriding the link loading - you should just have to call you openPdf() function in the "endswith(pdf)" case.
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      1. POAndroid - Intercept Link From Webview
      1. UStheelfismike
 

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