Rany Albeg Wein

Creating a custom CoordinatorLayout Behavior

1. Intro

Trust me, it's not as complicated as it might first look like. You either drink too much coffee, or need to take your face off of the screen for a while.

A CoordinatorLayout is this thing:

public class CoordinatorLayout extends ViewGroup implements NestedScrollingParent {

from the . . .

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September 27, 2017

Writing a basic RecyclerView.Adapter

and how it is similar to a typical getView() implementation

In my previous article, ListView and ViewHolder, I discussed about the ViewHolder pattern and how it should be combined to be a part of an adapter for a ListView, or more specifically - a part of an adapter's getView() method.
We had a simple model named Profile, which describes some basic information of a person. It has an image, a . . .

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December 02, 2016

ListView and ViewHolder

Enhance ListView's performance to reduce strain from the UI thread

One of the main concerns an Android developer should have is reducing strain from the main thread, also known as the UI thread.

ListView is one of the most common views in Android and it is important to know how to write a fast adapter for it. One of the ways to enahnce your ListView performance is by using a ViewHolder pattern.

. . .

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November 25, 2016


A standard AutoCompleteTextView, but a bit nicer

What can be nice about an AutoCompleteTextView ?

  • It tells you whether the user selected an item from its drop down list, or simply typed some text ignoring auto-complete suggestions.
  • It will performFiltering(CharSequence,int) immediately onTouchEvent(MotionEvent).
  • It is available for download in this Gist :-)
. . .

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December 24, 2015