Issue 3135 - Show the first run slide about the beta community to users that installed via Play and…

mobile/android/thirdparty/org/adblockplus/browser/BrowserAppUtils.java

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2015 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.adblockplus.browser;
 
+import android.content.Context;
 import android.util.Log;
 import android.view.MenuItem;
 
 import org.mozilla.gecko.Tab;
 import org.mozilla.gecko.Tabs;
 import org.mozilla.gecko.util.NativeJSObject;
 import org.mozilla.gecko.util.ThreadUtils;
 
 public class BrowserAppUtils
 {
@@ skipping 76 matching lines @@
       }
 
       @Override
       public void onApiRequestFailed(String errorMessage)
       {
         Log.e(TAG, "whitelistSite failed: " + errorMessage);
       }
     }, url, item.isChecked());
   }
 
+  public static boolean wasInstalledFromPlayStore(final Context context)
+  {
+    final String installer = context.getPackageManager().getInstallerPackageName(context.getPackageName());
+    return "com.android.vending".equals(installer);
+  }
+
   private BrowserAppUtils()
   {
     // Shouldn't be instantiated.
   }
 }