IONIC3 Tabbar Issue


#1

I want to add tabbar in tabbar page
At that time,I want to remove old tabbar, and wanna add new tabbar

this.navCtrl.setRoot('GrouptabPage').then(res=>{
  loading.dismiss()
})
// this.app.getRootNav().setRoot('GrouptabPage').then(success=>{
//   loading.dismiss()
// })

I have tried this two way
but I have not got soultion from these ways
Please help me