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

Index: mobile/android/thirdparty/org/adblockplus/browser/BrowserAppUtils.java
===================================================================
--- a/mobile/android/thirdparty/org/adblockplus/browser/BrowserAppUtils.java
+++ b/mobile/android/thirdparty/org/adblockplus/browser/BrowserAppUtils.java
@@ -12,16 +12,17 @@
  * 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;
 
@@ -108,13 +109,19 @@ public class BrowserAppUtils
       @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.
   }
 }