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HTML

              
                <html ng-app="ionic.example">
  <head>
    <meta charset="utf-8">
    <title>Shrinking Header</title>

    <meta name="viewport" content="initial-scale=1, maximum-scale=1, user-scalable=no">

    <link href="//code.ionicframework.com/nightly/css/ionic.css" rel="stylesheet">
    <script src="//code.ionicframework.com/nightly/js/ionic.bundle.js"></script>

  </head>
  <body>
    <fake-statusbar></fake-statusbar>
    <ion-pane>
      <ion-header-bar class="bar-positive">
        <div class="buttons">
          <button class="button button-icon ion-navicon"></button>
        </div>
        <h1 class="title">Things</h1>
      </ion-header-bar>
      
      <ion-content header-shrink scroll-event-interval="5">
        <div style="height: 64px;"></div>
        <div class="list card">

          <div class="item item-avatar">
            <img src="https://ionicframework.com/img/docs/mcfly.jpg">
            <h2>Marty McFly</h2>
            <p>November 05, 1955</p>
          </div>

          <div class="item item-body">
            <img class="full-image" src="https://ionicframework.com/img/docs/delorean.jpg">
            <p>
              This is a "Facebook" styled Card. The header is created from a Thumbnail List item,
              the content is from a card-body consisting of an image and paragraph text. The footer
              consists of tabs, icons aligned left, within the card-footer.
            </p>
            <p>
              <a href="#" class="subdued">1 Like</a>
              <a href="#" class="subdued">5 Comments</a>
            </p>
          </div>

          <div class="item tabs tabs-secondary tabs-icon-left">
            <a class="tab-item" href="#">
              <i class="icon ion-thumbsup"></i>
              Like
            </a>
            <a class="tab-item" href="#">
              <i class="icon ion-chatbox"></i>
              Comment
            </a>
            <a class="tab-item" href="#">
              <i class="icon ion-share"></i>
              Share
            </a>
          </div>

        </div>
        <div class="list card">

          <div class="item item-avatar">
            <img src="https://ionicframework.com/img/docs/mcfly.jpg">
            <h2>Marty McFly</h2>
            <p>November 05, 1955</p>
          </div>

          <div class="item item-body">
            <img class="full-image" src="https://ionicframework.com/img/docs/delorean.jpg">
            <p>
              This is a "Facebook" styled Card. The header is created from a Thumbnail List item,
              the content is from a card-body consisting of an image and paragraph text. The footer
              consists of tabs, icons aligned left, within the card-footer.
            </p>
            <p>
              <a href="#" class="subdued">1 Like</a>
              <a href="#" class="subdued">5 Comments</a>
            </p>
          </div>

          <div class="item tabs tabs-secondary tabs-icon-left">
            <a class="tab-item" href="#">
              <i class="icon ion-thumbsup"></i>
              Like
            </a>
            <a class="tab-item" href="#">
              <i class="icon ion-chatbox"></i>
              Comment
            </a>
            <a class="tab-item" href="#">
              <i class="icon ion-share"></i>
              Share
            </a>
          </div>

        </div>
        <div class="list card">

          <div class="item item-avatar">
            <img src="https://ionicframework.com/img/docs/mcfly.jpg">
            <h2>Marty McFly</h2>
            <p>November 05, 1955</p>
          </div>

          <div class="item item-body">
            <img class="full-image" src="https://ionicframework.com/img/docs/delorean.jpg">
            <p>
              This is a "Facebook" styled Card. The header is created from a Thumbnail List item,
              the content is from a card-body consisting of an image and paragraph text. The footer
              consists of tabs, icons aligned left, within the card-footer.
            </p>
            <p>
              <a href="#" class="subdued">1 Like</a>
              <a href="#" class="subdued">5 Comments</a>
            </p>
          </div>

          <div class="item tabs tabs-secondary tabs-icon-left">
            <a class="tab-item" href="#">
              <i class="icon ion-thumbsup"></i>
              Like
            </a>
            <a class="tab-item" href="#">
              <i class="icon ion-chatbox"></i>
              Comment
            </a>
            <a class="tab-item" href="#">
              <i class="icon ion-share"></i>
              Share
            </a>
          </div>

        </div>
      </ion-content>
    </ion-pane>

  </body>
</html>


              
            
!

CSS

              
                .fake-statusbar {
  height: 20px;
  max-height: 20px;
  font-size: 12px;
  box-sizing: border-box;
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 4;
  color: #fff;
  padding: 2px 3px 3px 3px;
  background-color: #4a87ee;
}
.fake-statusbar .time {
  position: absolute;
  width: 100%;
  height: 100%;
  text-align: center;
}
.fake-statusbar .pull-left { float: left; }
.fake-statusbar .pull-right { float: right; }

.bar-header {
  height: 64px !important;
}
.bar-header > * {
  margin-top: 20px !important;
}

.scroll-content{
  top:0 !important
}
              
            
!

JS

              
                angular.module('ionic.example', ['ionic'])

.directive('fakeStatusbar', function() {
  return {
    restrict: 'E',
    replace: true,
    template: '<div class="fake-statusbar"><div class="pull-left">Carrier</div><div class="time">3:30 PM</div><div class="pull-right">50%</div></div>'
  }
})
.directive('headerShrink', function($document) {
  var fadeAmt;

  var shrink = function(header, content, amt, max) {
    amt = Math.min(max, amt);
    fadeAmt = 1 - amt / max;
    ionic.requestAnimationFrame(function() {
      header.style[ionic.CSS.TRANSFORM] = 'translate3d(0, -' + amt + 'px, 0)';
      for(var i = 0, j = header.children.length; i < j; i++) {
        header.children[i].style.opacity = fadeAmt;
      }
    });
  };

  return {
    restrict: 'A',
    link: function($scope, $element, $attr) {
      var starty = $scope.$eval($attr.headerShrink) || 0;
      var shrinkAmt;

      var amt;

      var y = 0;
      var prevY = 0;
      var scrollDelay = 0.4;

      var fadeAmt;
      
      var header = $document[0].body.querySelector('.bar-header');
      var headerHeight = header.offsetHeight;
      
      function onScroll(e) {
        var scrollTop = e.detail.scrollTop;

        if(scrollTop >= 0) {
          y = Math.min(headerHeight / scrollDelay, Math.max(0, y + scrollTop - prevY));
        } else {
          y = 0;
        }
        console.log(scrollTop);

        ionic.requestAnimationFrame(function() {
          fadeAmt = 1 - (y / headerHeight);
          header.style[ionic.CSS.TRANSFORM] = 'translate3d(0, ' + -y + 'px, 0)';
          for(var i = 0, j = header.children.length; i < j; i++) {
            header.children[i].style.opacity = fadeAmt;
          }
        });

        prevY = scrollTop;
      }

      $element.bind('scroll', onScroll);
    }
  }
})

              
            
!
999px

Console