Add URL bar to captive portal login app.

Keeps the user informed whether site is using SSL and what URL is being
displayed in an attempt to avoid phishing.  The progress bar is now
always visible as it provides a border between the URL bar and WebView.

Bug:20322548
Change-Id: I001a4501a02cc79080b0f37f0a304c609bbd7664

2 files changed, 17 insertions, 5 deletions

diff --git a/packages/CaptivePortalLogin/res/layout/activity_captive_portal_login.xml b/packages/CaptivePortalLogin/res/layout/activity_captive_portal_login.xml
index a11bed0..2f0a411 100644
--- a/packages/CaptivePortalLogin/res/layout/activity_captive_portal_login.xml
+++ b/packages/CaptivePortalLogin/res/layout/activity_captive_portal_login.xml
@@ -10,6 +10,13 @@
     android:layout_height="match_parent"
     android:orientation="vertical" >
 
+    <TextView
+        android:id="@+id/url_bar"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:textSize="20sp"
+        android:singleLine="true" />
+
     <ProgressBar
         android:id="@+id/progress_bar"
         android:layout_width="match_parent"
diff --git a/packages/CaptivePortalLogin/src/com/android/captiveportallogin/CaptivePortalLoginActivity.java b/packages/CaptivePortalLogin/src/com/android/captiveportallogin/CaptivePortalLoginActivity.java
index b86fc4b..1019e6c 100644
--- a/packages/CaptivePortalLogin/src/com/android/captiveportallogin/CaptivePortalLoginActivity.java
+++ b/packages/CaptivePortalLogin/src/com/android/captiveportallogin/CaptivePortalLoginActivity.java
@@ -35,13 +35,13 @@ import android.util.ArrayMap;
 import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;
-import android.view.View;
 import android.webkit.SslErrorHandler;
 import android.webkit.WebChromeClient;
 import android.webkit.WebSettings;
 import android.webkit.WebView;
 import android.webkit.WebViewClient;
 import android.widget.ProgressBar;
+import android.widget.TextView;
 
 import java.io.IOException;
 import java.net.HttpURLConnection;
@@ -221,6 +221,7 @@ public class CaptivePortalLoginActivity extends Activity {
     }
 
     private class MyWebViewClient extends WebViewClient {
+        private static final String INTERNAL_ASSETS = "file:///android_asset/";
         private boolean firstPageLoad = true;
 
         @Override
@@ -240,6 +241,12 @@ public class CaptivePortalLoginActivity extends Activity {
                 view.loadUrl(mURL.toString());
                 return;
             }
+            // For internally generated pages, leave URL bar listing prior URL as this is the URL
+            // the page refers to.
+            if (!url.startsWith(INTERNAL_ASSETS)) {
+                final TextView myUrlBar = (TextView) findViewById(R.id.url_bar);
+                myUrlBar.setText(url);
+            }
             testForCaptivePortal();
         }
 
@@ -252,17 +259,15 @@ public class CaptivePortalLoginActivity extends Activity {
         @Override
         public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
             Log.w(TAG, "SSL error; displaying broken lock icon.");
-            view.loadDataWithBaseURL("file:///android_asset/", SSL_ERROR_HTML, "text/HTML",
-                    "UTF-8", null);
+            view.loadDataWithBaseURL(INTERNAL_ASSETS, SSL_ERROR_HTML, "text/HTML", "UTF-8", null);
         }
     }
 
     private class MyWebChromeClient extends WebChromeClient {
         @Override
         public void onProgressChanged(WebView view, int newProgress) {
-            ProgressBar myProgressBar = (ProgressBar) findViewById(R.id.progress_bar);
+            final ProgressBar myProgressBar = (ProgressBar) findViewById(R.id.progress_bar);
             myProgressBar.setProgress(newProgress);
-            myProgressBar.setVisibility(newProgress == 100 ? View.GONE : View.VISIBLE);
         }
     }
 }