Support library changes to allow a callback notifying the selection of default items for Browser Ac…

customtabs/src/android/support/customtabs/CustomTabsClient.java

 /*
  * Copyright (C) 2015 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
@@ skipping 80 matching lines @@
      * @return The preferred package name for handling Custom Tabs, or <code>null</code>.
      */
     public static String getPackageName(
         Context context, @Nullable List<String> packages, boolean ignoreDefault) {
         PackageManager pm = context.getPackageManager();
 
         List<String> packageNames = packages == null ? new ArrayList<String>() : packages;
         Intent activityIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://"));
 
         if (!ignoreDefault) {
-            ResolveInfo defaultViewHandlerInfo = pm.resolveActivity(activityIntent, 0);
+            ResolveInfo defaultViewHandlerInfo = getDefaultHandlerForIntent(pm, activityIntent);
             if (defaultViewHandlerInfo != null) {
                 String packageName = defaultViewHandlerInfo.activityInfo.packageName;
                 packageNames = new ArrayList<String>(packageNames.size() + 1);
                 packageNames.add(packageName);
                 if (packages != null) packageNames.addAll(packages);
             }
         }
 
         Intent serviceIntent = new Intent(CustomTabsService.ACTION_CUSTOM_TABS_CONNECTION);
         for (String packageName : packageNames) {
@@ skipping 129 matching lines @@
         return new CustomTabsSession(mService, wrapper, mServiceComponentName);
     }
 
     public Bundle extraCommand(String commandName, Bundle args) {
         try {
             return mService.extraCommand(commandName, args);
         } catch (RemoteException e) {
             return null;
         }
     }
+
+    /**
+     * Returns the default handler for given intent.
+     * @param pm {@link PackageManager} to use for retriving the handlers.
+     * @param intent {@link Intent} to be handled.
+     */
+    public static ResolveInfo getDefaultHandlerForIntent(PackageManager pm, Intent intent) {

[Yusuf, 2017/07/14 05:35:34]

I know I said to do this, but now that we have it here, it seems a bit
superflous. Sorry for the back and forth but I think it is better to not add a
change in CustomTabsClient for this.

[ltian, 2017/07/14 22:15:02]

Done.

+        return pm.resolveActivity(intent,  PackageManager.MATCH_DEFAULT_ONLY);
+    }
 }