public function generateAndroidManifest()
    {

        //// Android Pinicon Manifest

        $pinicon = $this->owner->AndroidPinicon();

        if ($pinicon->exists()) {

            //
            $manifest = new stdClass();

            //
            $manifest->name = $this->owner->PiniconTitle;
//			$manifest->start_url = null; @todo Maybe implement
//			$manifest->display = null; @todo Maybe implement
//			$manifest->orientation = null; @todo Maybe implement
            $manifest->icons = array();

            // 0.75x density icon
            array_push($manifest->icons, array(
                'src' => $pinicon->Fill(36, 36)->getAbsoluteURL(),
                'sizes' => '36x36',
                'type' => 'image/png',
                'density' => 0.75
            ));

            // 1x density icon
            array_push($manifest->icons, array(
                'src' => $pinicon->Fill(48, 48)->getAbsoluteURL(),
                'sizes' => '48x48',
                'type' => 'image/png',
                'density' => 1
            ));

            // 1.5x density icon
            array_push($manifest->icons, array(
                'src' => $pinicon->Fill(72, 72)->getAbsoluteURL(),
                'sizes' => '72x72',
                'type' => 'image/png',
                'density' => 1.5
            ));

            // 2x density icon
            array_push($manifest->icons, array(
                'src' => $pinicon->Fill(96, 96)->getAbsoluteURL(),
                'sizes' => '96x96',
                'type' => 'image/png',
                'density' => 2
            ));

            // 3x density icon
            array_push($manifest->icons, array(
                'src' => $pinicon->Fill(144, 144)->getAbsoluteURL(),
                'sizes' => '144x144',
                'type' => 'image/png',
                'density' => 3
            ));

            // 4x density icon
            array_push($manifest->icons, array(
                'src' => $pinicon->Fill(192, 192)->getAbsoluteURL(),
                'sizes' => '192x192',
                'type' => 'image/png',
                'density' => 4
            ));

            // create file
            $bytes = file_put_contents(Director::baseFolder() . '/manifest.json', json_encode($manifest));

            //
            if ($bytes !== false) {
                // success
                return true;
            }

        }

        // default return
        return false;

    }