Bug 1353185 - Convert GeckoViewExample to use singleTop launch mode r=jchen

MozReview-Commit-ID: Fd3eYNxVQWp

mobile/android/geckoview_example/src/main/AndroidManifest.xml

@@ -8,7 +8,8 @@
         <uses-library android:name="android.test.runner" />
 
         <activity android:name="org.mozilla.geckoview_example.GeckoViewActivity"
-                  android:label="GeckoViewActivity">
+                  android:label="GeckoViewActivity"
+                  android:launchMode="singleTop">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />

mobile/android/geckoview_example/src/main/java/org/mozilla/geckoview_example/GeckoViewActivity.java

@@ -8,6 +8,7 @@ package org.mozilla.geckoview_example;
 import android.app.Activity;
 import android.app.AlertDialog;
 import android.content.DialogInterface;
+import android.content.Intent;
 import android.net.Uri;
 import android.os.Bundle;
 import android.util.Log;
@@ -44,7 +45,17 @@ public class GeckoViewActivity extends Activity {
         GeckoThread.initMainProcess(profile, /* args */ null, /* debugging */ false);
         GeckoThread.launch();
 
-        Uri u = getIntent().getData();
+        loadFromIntent(getIntent());
+    }
+
+    @Override
+    protected void onNewIntent(Intent externalIntent) {
+        Log.d(LOGTAG, "SNORP: onNewIntent: " + externalIntent.getData().toString());
+        loadFromIntent(externalIntent);
+    }
+
+    private void loadFromIntent(Intent intent) {
+        Uri u = intent.getData();
         if (u != null) {
             mGeckoView.loadUri(u.toString());
         } else {