Android Tutorial #1 - Using RecyclerView Widget to Display List of Users @SafaaAlaa

Uploaded June 2018 | Updated September 2026, 2 weeks ago

You will learn in the video tutorial, how to use RecyclerView widget in an android application to display list of items, it is best widget for this job since the navigation is smooth and you don't have to create views you don't see, and recyclerview as the name suggest recycling the views instead of creating two many ...

Android Tutorial #1 - Using RecyclerView Widget to Display List of Users

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$Android Tutorial #5 - Toolbar - Action-bar - Menu Toolbar or Action-bar or Menu, is quite useful feature you have to take benefit from it, by creating action or menu items to do some action in your app, or you can use it for navigation and for displaying logo or your app brand. so, in this video youll learn about toolbar... and at the end of this video youll face a small issue in updating the parent activity, Ive already explained that in this tutorial: https://youtu.be/geql_wwXIhw but, if you cant solve it here is the solution: ListOfUsers.java: @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()){ case R.id.new_user: Intent intent = new Intent(this, NewUser.class); startActivityForResult(intent,2); return true; default: return super.onOptionsItemSelected(item); } } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if(resultCode RESULT_OK){ if(requestCode 1){ if(data!=null){ //mUsersAdapter.notifyDataSetChanged(); String action = data.getStringExtra(action); if(action.equals(update)){ mUsersAdapter.notifyItemChanged(mPosition); }else if(action.equals(delete)){ mUsersAdapter.notifyItemRemoved(mPosition); } } }else if(requestCode 2){ mUsersAdapter.notifyItemInserted(mUsers.size()); } } } NewUser.java: mAdd_btn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { setResult(RESULT_OK,null); User user = new User(); user.setFirstname(mFirstname_editTxt.getText().toString()); user.setEmail(mEmail_editTxt.getText().toString()); UsersBase.get().newUser(user); Toast.makeText(NewUser.this,New user has been added to the list, Toast.LENGTH_LONG).show(); mFirstname_editTxt.setText(); mEmail_editTxt.setText(); } });$

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Safaa Al-Hayali (Safaa Alaa) |

Android Tutorial #1 - Using RecyclerView Widget to Display List of Users