My Android Solutions

@intdef annotation, @Retention annotation, android, annotation, enum, intdef

Android has some helpful annotations in the support library so, in this post, I will show you an example of how to use @IntDef annotation. You can use this annotation (or @StringDef annotation) instead of Enum. Steps 1. Add your constants 2. Add the @IntDef annotation…

Did you know about Percent Support Library

September 29, 2015

Did You Know?

android, percent, percentage, PercentFrameLayout, PercentRelativeLayout

3

Yes, we can finally get rid of hardcoded values or nested layouts used in order to take advantage of layout_weight. Definition Percent Support Library is a new library introduced by Google, used to set the width, height and margins for a…

Android Set Horizontal Divider to a Vertical LinearLayout

September 27, 2015

Solutions, Tutorial

android, android horizontal divider, divider, LinearLayout, padding

If you need to use a “list” divider, but you need it on a vertical LinearLayout instead of a List you can do this by using some attributes on the LinearLayout. It’s not very straightforward as you maybe expected, but it’s…

Android: Add Tabs using TabLayout

July 19, 2015

android, android add tabs using tablayout, android how to add tabs, AppBarLayout, CoordinatorLayout, enterAlways, Fragment, layout_scrollFlags, TabLayout, TabListener, tabMode, tabs, Toolbar, ViewPager

36

In this tutorial we will see how to add tabs to a project by using TabLayout together with ViewPager, and some other new views from the design library 🙂 Before starting I will make summary to present the main idea…

Android Countdown ProgressBar

July 4, 2015

android, countdown, progress, ProgressBar, timer

Recently I needed to make a progressBar to update its progress smoothly for a given period of time (I needed a countdown). So after some research on Google, I ended up using an ObjectAnimator in order to achieve this. For…

Android Floating Action Button (New Implementation)

June 25, 2015

android, change, change floating action button color, color, design library, fab, floating action button, material design

8

The previous tutorial about Floating Action Button implementation is now deprecated regarding that now, there is a support library from Android which makes the implementation of FAB more easier. You just have to add to dependencies the Design Library in your…

Did you know about CoordinatorLayout?

June 20, 2015

Did You Know?

ActionBar, android, App Bar, CoordinatorLayout, FloatingActionButton, FrameLayout, Toolbar

Definition CoordinatorLayout is a more advanced FrameLayout, that now, with all these new changes with Material Design, it was introduced in the DesignLibrary, in order to provide help and more control over touch events between child views. Usage It is mainly used…

Android ExpandableList Move Item From Group to Another on Click

June 18, 2015

Adapter, android, android how to move items from group to another in expandableList, ExpandableListView, move items