Determine if the browser is Android or not (last updated 1.7)
@return boolean True if the browser is Android otherwise false
331844
protected function checkBrowserAndroid()
    {
        if (stripos($this->_agent, 'Android') !== false) {
            $aresult = explode(' ', stristr($this->_agent, 'Android'));
            if (isset($aresult[1])) {
                $aversion = explode(' ', $aresult[1]);
                $this->setVersion($aversion[0]);
            } else {
                $this->setVersion(self::VERSION_UNKNOWN);
            }
            if (stripos($this->_agent, 'Mobile') !== false) {
                $this->setMobile(true);
            } else {
                $this->setTablet(true);
            }
            $this->setBrowser(self::BROWSER_ANDROID);
            return true;
        }
        return false;
    }
623576
protected function checkBrowserSlurp()
    {
        if (stripos($this->_agent, 'slurp') !== false) {
            $aresult = explode('/', stristr($this->_agent, 'Slurp'));
            if (isset($aresult[1])) {
                $aversion = explode(' ', $aresult[1]);
                $this->setVersion($aversion[0]);
                $this->_browser_name = self::BROWSER_SLURP;
                $this->setRobot(true);
                $this->setMobile(false);
                return true;
            }
        }
        return false;
    }
191101
function DetectMobileQuick()
   {
      if ($this->initCompleted == $this->true ||
          $this->isMobilePhone == $this->true)
         return $this->isMobilePhone;

      //Let's exclude tablets
      if ($this->isTierTablet == $this->true) 
         return $this->false;
      
      //Most mobile browsing is done on smartphones
      if ($this->DetectSmartphone() == $this->true) 
         return $this->true;

      //Catch-all for many mobile devices
      if (stripos($this->useragent, $this->mobile) > -1)
         return $this->true; 

      if ($this->DetectOperaMobile() == $this->true)
         return $this->true;

      //We also look for Kindle devices
      if ($this->DetectKindle() == $this->true ||
         $this->DetectAmazonSilk() == $this->true) 
         return $this->true;

      if (($this->DetectWapWml() == $this->true) 
      		|| ($this->DetectMidpCapable() == $this->true)
			|| ($this->DetectBrewDevice() == $this->true))
         return $this->true;
          
      if ((stripos($this->useragent, $this->engineNetfront) > -1)
			|| (stripos($this->useragent, $this->engineUpBrowser) > -1))
         return $this->true; 
         
      return $this->false; 
   }
1107489
protected function checkBrowserAndroidKindleFire()
    {
        if( stripos($this->_agent,'Android') !== false )
        {
            if( stripos($this->_agent,'Silk') !== false )
            {
                $this->setVersion(self::VERSION_UNKNOWN);
                $this->setBrowser(self::BROWSER_KINDLE_FIRE);
                $this->setMobile(true);
                return true;
            }
        }
        return false;
    }
890682
protected function isMobile()
    {
        $detect = new MobileDetect();

        return ($detect->isMobile() === false && $detect->isTablet() === false) ? false : true;
    }
462861
private function currentMobile()
    {
        if (!$this->MobileDetect || !($this->MobileDetect instanceof \Mobile_Detect)) {
            return false;
        }

        //for phones only, not tablets
        //create your own Strategy if needed, and change this functionality
        return $this->MobileDetect->isMobile() && !$this->MobileDetect->isTablet();
    }
1099419
public function isMobileClient()
    {
        $request = $this->requestStack->getCurrentRequest();
        if ($request === null) {
            return false;
        }

        return preg_match(
            '/(android|blackberry|htc|iemobile|iphone|ipad|ipaq|ipod|nokia|playbook|smartphone)/i',
            $request->headers->get('User-Agent')
        );
    }
972221
protected function checkBrowserAndroidAcerA500()
    {
        if( stripos($this->_agent,'Android') !== false )
        {
            if( stripos($this->_agent,'A500 Build') !== false )
            {
                $this->setVersion(self::VERSION_UNKNOWN);
                $this->setMobile(true);
                $this->setBrowser(self::BROWSER_ACER_A500);
                return true;
            }
        }
        return false;
    }
264828
protected function checkBrowserAndroidAsusTransfomerPad()
    {
        if( stripos($this->_agent,'Android') !== false )
        {
            if( stripos($this->_agent,'ASUS Transformer Pad') !== false )
            {
                $this->setVersion(self::VERSION_UNKNOWN);
                $this->setMobile(true);
                $this->setBrowser(self::BROWSER_ASUS_TRANSFORMER_PAD);
                return true;
            }
        }
        return false;
    }
896771
public function isMobile()
    {
        if (isset($_SERVER['HTTP_VIA']) && stristr($_SERVER['HTTP_VIA'], "wap")) {
            return true;
        } elseif (isset($_SERVER['HTTP_ACCEPT']) && strpos(strtoupper($_SERVER['HTTP_ACCEPT']), "VND.WAP.WML")) {
            return true;
        } elseif (isset($_SERVER['HTTP_X_WAP_PROFILE']) || isset($_SERVER['HTTP_PROFILE'])) {
            return true;
        } elseif (isset($_SERVER['HTTP_USER_AGENT']) && preg_match('/(blackberry|configuration\/cldc|hp |hp-|htc |htc_|htc-|iemobile|kindle|midp|mmp|motorola|mobile|nokia|opera mini|opera |Googlebot-Mobile|YahooSeeker\/M1A1-R2D2|android|iphone|ipod|mobi|palm|palmos|pocket|portalmmm|ppc;|smartphone|sonyericsson|sqh|spv|symbian|treo|up.browser|up.link|vodafone|windows ce|xda |xda_)/i', $_SERVER['HTTP_USER_AGENT'])) {
            return true;
        } else {
            return false;
        }
    }
1345037
public static function checkBrowserSeaMonkey()
    {
        if (stripos(self::$userAgentString, 'safari') === false) {
            if (preg_match("/SeaMonkey[\/ \(]([^ ;\)]+)/i", self::$userAgentString, $matches)) {
                if (isset($matches[1])) {
                    self::$browser->setVersion($matches[1]);
                }
                self::$browser->setName(Browser::SEAMONKEY);

                return true;
            } elseif (preg_match('/SeaMonkey$/i', self::$userAgentString, $matches)) {
                self::$browser->setVersion('');
                self::$browser->setName(Browser::SEAMONKEY);

                return true;
            }
        }

        return false;
    }
708513
public function detect()
  {
    $detected = true;
    if ( empty( $this->ua ) )
    {
      $detected = false;
    }
    else
    {
      // If it's not any of the common browsers, perhaps it's something mobile.
      if ( !$this->isMSIE() && !$this->isChrome() && !$this->isFirefox() && !$this->isSafari() && !$this->isEdge() && !$this->isOpera() )
      {
        if ( !$this->isOtherMobile() )
        {
          $detected = false;
        }
      }
      else
      {
        // If it's one of the default browsers, check to see if it's the mobile version.
        if ( !$this->isChromeMobile() && !$this->isSafariMobile() && !$this->isFirefoxMobile() && !$this->isOperaMobile() )
        {
          // If not, check for other mobile conditions, otherwise mark as definitely not mobile.
          if ( !$this->isOtherMobile() )
          {
            $this->mobile = false;
            $this->touch = false;
            $this->android = false;
            $this->ios = false;
            $this->tablet = false;
            $this->phone = false;
          }
        }
      }
    }

    if ( $detected )
    {
      // Deal with Width/Height
      if ( !$this->width )
      {
        $this->width = ( $this->phone ) ? $this->defaultSize[ 'phone' ][ 'width' ] : $this->defaultSize['tablet']['width'];
        $this->height = ( $this->phone ) ? $this->defaultSize[ 'phone' ][ 'height' ] : $this->defaultSize['tablet']['height'];
      }

      // Deal with Browser
      if ( $this->isModern() )
      {
        $browser = 'modern';
      }
      elseif($this->isFallback())
      {
        $browser = 'fallback';
      }
      else
      {
        $browser = 'baseline';
      }

      // Return the array that DeviceFeatureInfo expects.
      return array(
        'hidpi'       => false,
        'width'       => $this->width,
        'height'      => $this->height,
        'low_speed'   => false,
        'low_battery' => false,
        'metered'     => $this->metered,
        'browser'     => $browser,
        'touch'       => $this->touch,
        'android'     => $this->android,
        'ios'         => $this->ios,
        'user-agent'  => $this->ua
      );
    }

    return null;
  }
810342
public static function checkBrowserSamsung()
    {
        if (stripos(self::$userAgentString, 'SamsungBrowser') !== false) {
            $aresult = explode('/', stristr(self::$userAgentString, 'SamsungBrowser'));
            if (isset($aresult[1])) {
                $aversion = explode(' ', $aresult[1]);
                self::$browser->setVersion($aversion[0]);
            }
            self::$browser->setName(Browser::SAMSUNG_BROWSER);

            return true;
        }

        return false;
    }
1160935
protected function checkBrowserAndroidAcerA501()
    {
        if( stripos($this->_agent,'Android') !== false )
        {
            if( stripos($this->_agent,'A501 Build') !== false )
            {
                $this->setVersion(self::VERSION_UNKNOWN);
                $this->setMobile(true);
                $this->setBrowser(self::BROWSER_ACER_A501);
                return true;
            }
        }
        return false;
    }
1110182
protected function is_useragent_mobile() {
        // Mobile detection PHP direct copy from open source detectmobilebrowser.com.
        $phonesregex = '/android .+ mobile|avantgo|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i';
        $modelsregex = '/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|e\-|e\/|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(di|rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|xda(\-|2|g)|yas\-|your|zeto|zte\-/i';
        return (preg_match($phonesregex, $this->useragent) || preg_match($modelsregex, substr($this->useragent, 0, 4)));
    }
1089948
protected function checkBrowserOmniWeb()
    {
        if (stripos($this->_agent, 'omniweb') !== false) {
            $aresult = explode('/', stristr($this->_agent, 'omniweb'));
            $aversion = explode(' ', isset($aresult[1]) ? $aresult[1] : '');
            $this->setVersion($aversion[0]);
            $this->setBrowser(self::BROWSER_OMNIWEB);
            return true;
        }
        return false;
    }
463186
function _isAndroid() {
    var /** @type {?} */ userAgent = __webpack_require__.i(__WEBPACK_IMPORTED_MODULE_4__angular_platform_browser__["b" /* ɵgetDOM */])() ? __webpack_require__.i(__WEBPACK_IMPORTED_MODULE_4__angular_platform_browser__["b" /* ɵgetDOM */])().getUserAgent() : '';
    return /android (\d+)/.test(userAgent.toLowerCase());
}