* Modify app download qrcode.

module/misc/control.php

@@ -338,4 +338,23 @@ class misc extends control
         if(strpos(",$accounts,", $this->app->user->account) === false) $accounts .= ',' . $this->app->user->account;
         $this->loadModel('setting')->setItem('system.common.global.skip' . ucfirst($feature), $accounts);
     }
+
+    /**
+     * Create qrcode for app download.
+     *
+     * @access public
+     * @return void
+     */
+    public function appQrCode()
+    {
+        if(!extension_loaded('gd'))
+        {
+            $this->view->noGDLib = sprintf($this->lang->misc->noGDLib, $loginAPI);
+            return 'theme/default/images/main/mobile_qrcode.png';
+        }
+
+        $this->app->loadClass('qrcode');
+        $downloadUrl = 'https://www.zentao.net/page/zentaoapp.html?zentao=' . $this->config->version;
+        QRcode::png($downloadUrl, false, 2, 4, 2);
+    }
 }