Push Notifications using GCM in Android Studio

According to Google’s documentations “Google Cloud Messaging (GCM) is a free service that enables developers to send messages between servers and client apps. This includes downstream messages from servers to client apps, and upstream messages from client apps to servers”. The GCM service handles all aspects of queueing of messages and delivery to the target Android application running on the target device.

gcm

Source : Google

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ANDROID OS BATTLE : ANDROID L VS ANDROID M

Google released the developer preview of its next version, called as Android M, on last year’s I/O conference. While Google current Android version Lollipop was aimed at visual aesthetics, Android M on the other hand, will mainly focus on optimization and enhanced battery life. So, for those who would like to know about the major differences between both the Android versions, this post will provide useful insight on what’s new in Android M vs Android 5.1 Lollipop. But, before heading straight towards the differences, let us first have a brief introduction on both of these Android versions.

A Look at: Android M and Android L

Android mobile phone Lollipop was unveiled over the Yahoo and google I/O discussion – used upon August 25, 2014 – and also was basically called because Android mobile phone 5. 0 “Lollipop” upon April 15, 2014. Android mobile phone M, was perhaps the key high light of Google’s once-a-year developer’s discussion. It was an entire graphic modernize which Android mobile phone received seen since Glaciers Product Plastic (Android model update). In truth, renovate of the interface based on a design dialect, known as because “Material Design”, was reported to be essentially the most prominent modifications from the Android mobile phone Lollipop. Continue Reading


Tip : ArrayAdapter in AlertDialog

We can always use ListView or RecyclerView for selection from list of items, but if we have small amount of choices and among those choices we want user to select one, we can use AlertDialog.Builder setAdapter.

Tip : ArrayAdapter in AlertDialog


Tip : Underlining text in TextView

As we all know there is a property called android:textStyle to set text as Bold and Italic. But it doesn’t have any value like underline. What if we want underlined text in android?

1st Approach

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EventBus Library In Android

Building an Android application that has various dynamic segments speaking with one another can get repetitive. To save time, developers often end up with tightly coupled components in their apps like Interfaces or directly calling an object’s function.

EventBus is a popular open-source library that was created to solve this problem using the publisher/subscriber pattern.

Using the EventBus library, you can pass messages from one class to one or more classes in just a few lines of code.

Methods of EventBus :

  • register : To register your component to subscribe to events on the bus.
  • unregister : To stop receiving events of the bus.
  • post : To publish your event on the bus.

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