vm.$iosActionsheet([{
      text: 'sing goup button',
      label: true
    }, {
      text: 'button1'
    }, {
      text: 'button with bold',
      bold: true
    }, {
      text: 'button with color',
      color: true
    }])
          

    vm.$iosActionsheet([{
      text: 'multi button group',
      label: true,
      color: true
    }], [{
      text: 'button in next group',
      label: true
    }, {
      text: 'button disabled',
      disable: true
    }, {
      text: 'button with click callback',
      handle: function(data){
        alert(JSON.stringify(data));
      }
    }])