import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
-import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.inputmethod.InputMethodManager;
+import android.webkit.WebChromeClient;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.EditText;
+import android.widget.ProgressBar;
import java.net.URL;
-public class Webview extends ActionBarActivity {
+public class Webview extends AppCompatActivity {
static String formattedUrlString;
static WebView mainWebView;
+ static ProgressBar progressBar;
static final String homepage = "https://www.duckduckgo.com";
@Override
final EditText urlTextBox = (EditText) findViewById(R.id.urlTextBox);
mainWebView = (WebView) findViewById(R.id.mainWebView);
+ progressBar = (ProgressBar) findViewById(R.id.progressBar);
// setWebViewClient makes this WebView the default handler for URLs inside the app, so that links are not kicked out to other apps.
- mainWebView.setWebViewClient(new WebViewClient());
+ // Save the URL to formattedUrlString and update urlTextBox before loading mainWebView.
+ mainWebView.setWebViewClient(new WebViewClient() {
+ public boolean shouldOverrideUrlLoading(WebView view, String url) {
+ formattedUrlString=url;
+ urlTextBox.setText(formattedUrlString);
+ mainWebView.loadUrl(url);
+ return true;
+ }
+ });
+
+ // Update the progress bar when a page is loading.
+ mainWebView.setWebChromeClient(new WebChromeClient() {
+ public void onProgressChanged(WebView view, int progress) {
+ progressBar.setProgress(progress);
+ if (progress < 100) {
+ progressBar.setVisibility(View.VISIBLE);
+ } else {
+ progressBar.setVisibility(View.GONE);
+ }
+ }
+ });
// Allow pinch to zoom.
mainWebView.getSettings().setBuiltInZoomControls(true);
final Intent intent = getIntent();
if (intent.getData() != null) {
- // Get the intent data.
+ // Get the intent data and convert it to a string.
final Uri intentUriData = intent.getData();
-
- // Try to parse the intent data and store it in urlData.
- URL urlData = null;
- try {
- urlData = new URL(intentUriData.getScheme(), intentUriData.getHost(), intentUriData.getPath());
- } catch (Exception e) {
- e.printStackTrace();
- }
-
- Webview.formattedUrlString = urlData.toString();
+ Webview.formattedUrlString = intentUriData.toString();
}
// If formattedUrlString is null assign the homepage to it.
if ((event.getAction() == KeyEvent.ACTION_DOWN) &&
(keyCode == KeyEvent.KEYCODE_ENTER)) {
// Load the URL into the mainWebView and consume the event.
- loadUrl(mainWebView);
+ loadUrlFromTextBox(mainWebView);
return true;
}
// Do not consume the event.
}
}
- public void loadUrl(View view) {
+ public void loadUrlFromTextBox(View view) {
// Get the text from urlTextInput and convert it to a string.
final EditText urlTextBox = (EditText) findViewById(R.id.urlTextBox);
final String unformattedUrlString = urlTextBox.getText().toString();
formattedUrlString = "http://" + unformattedUrlString;
}
- /*
- // Parse the unformattedURLString into a Uri.
-
- final Uri uriData = Uri.parse(unformattedUrlString);
-
- // Convert the Uri to a URL, chicking for any problems with the formatting.
- URL urlData = null;
-
- try {
- urlData = new URL(uriData.getScheme(), uriData.getHost(), uriData.getPath());
- } catch (Exception e) {
- e.printStackTrace();
- }
-
- // Convert urlData to a string, which is reqauired by loadUrl method.
- formattedUrlString = urlData.toString();
- */
-
final WebView mainWebView = (WebView) findViewById(R.id.mainWebView);
// Place the URL text back in the address bar and load the website.