Category Archives: Mobile

End-User Testing

How to Make Each Round of Testing Count?

1. Lets list things we need to discuss:- Set our goal clear. Understand value of feature for End-User. Keep a track of all the test scenarios and new findings. After testing check have we covered all the checkpoints. UI checkpoints. Last but not least, give app/web_app to another tester who is not a part for Continue Reading »

What is EventBus Library and How Does it Work?

In this blog, we are going to discuss about the Eventbus library. What is EventBus: EventBus Is open Source android library that simplifies communication between Activities, Fragments, Threads, Services, with Less code, better quality.When we develop an android application we need to manage a lot of intercommunication between android components which some time’s become very Continue Reading »

Nearby API Post-Connection Phase

We have already discussed near pre-connection phase in our previous blog. Check this reference : http://blogs.innovationm.com/nearby-api-pre-connection-phase/ Now, in this blog, we will have a look at the post-connection phase. After the connection between advertiser and discoverer is made successfully, post-connection phase starts. In the post-connection phase, there is no distinction between advertiser and discoverer. Both can Continue Reading »

Retrofit Library in Android

Retrofit is REST API Client for Java. It is developed by Square Inc. It uses OkHttp library for HTTP Request. It is a simple library that is used for network transaction. It is a very easy and fast library to retrieve and upload the data via Rest based web service. Adding Dependency in Build.gradle-

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Nearby API pre-connection phase

  Nearby Connections API is one of the many APIs available in google play services. This framework was introduced in early 2015. Initially, it allowed only those devices to share data which connected to the same wifi network. After June 2017, in the version 11.0, it also made use of Wifi hotspots, Bluetooth and BLE Continue Reading »

Room Persistence Library

  Last year 2017 Google announced a more secure and robust architecture to allow smooth database access while harnessing the full power of SQLite called Room Library. The Room Persistence library helps your app to create a cache on your device. In this blog, we are going to discuss Room Library and its implementation. Persistence in Android? Continue Reading »

Hibernate Query Language

  In this tutorial will discuss about Hibernate Query Language. HQL is an object-oriented query language. Hibernate Query Language(HQL) is same as Structured Query language(SQL), except that in HQL we use entity class name instead of table name. HQL provides its own syntax and grammar Ex.   From Employee emp . Where Employee is an entity class which are Continue Reading »

Spring Security with OAuth2

  Spring Security provides comprehensive security services for J2EE – based enterprise software applications. It is powerful, flexible and pluggable. It is not Proxy server, firewall, OS level Security, Intrusion Detection System,  and JVM Security. OAuth is open authorization protocol, which allows accessing resources of the resource owner by enabling the client applications on HTTP Continue Reading »

Functional Interface and Lambda Expression

  Welcome to the tutorial of Functional Interface and Lambda expression. In this tutorial we will discuss fundamental concept of functional interface and lambda expression. Functional Interface : Functional Interface is just a interface with one abstract method, but it  can have any number of default and static method. Runnable and Comparable interface are the Continue Reading »

MongoDB Integration with Java

In this tutorial, we will discuss about how to integrate mongoDB with java client. 1. What is MongoDB ? MongoDB is a very popular NoSql open source database. It works on collection rather than table and document rather than row and column that provides, high performance, high availability, and easy scalability. Sample document :

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Version Control of Android Studio Project via SVN

Apache Subversion (SVN) SVN stands for Apache Subversion, a software versioning and revision control system distributed as open source under the Apache License. In order to demonstrate the process of adding an Android Studio project into SVN,  let’s first create a new project in Android Studio and name it HelloWorldProject. The project structure looks like this Continue Reading »

Reducing Size of Bitmap

Reducing Size of Bitmap Introduction- Images come in all shapes and sizes. In many cases they are larger than required size for a typical application user interface. For example, the system Gallery application displays photos taken using your Android devices’s camera which are typically much higher resolution than the screen density of your device. So Continue Reading »

Fragment to Fragment Communication

Communication Between Fragments We can communicate from one Fragment to another Fragment and receive callback from calling Fragment to caller Fragment by using a standard method setTargetFragment() and getTargetFragment(). Scenario – We are in a Fragment and want to open a Dialog Fragment on top of Fragment. On Dialog Fragment, we do some task and Continue Reading »

Firebase Dynamic Links

Dynamic Links are smart URLs that allow you to send existing and potential users to any location within your iOS or Android app. They survive the app install process, so even new users see the content they’re looking for when they open the app for the first time. Key Benefits of Dynamic Links : Convert Continue Reading »

What’s New in iOS 11

Apple has announced iOS 11 in WWDC 2017. Like every conference, Apple revealed new iPhones with new iOS features. All of us stuck on iPhone only with its retina scan. There is a chaos for iPhone X Design. In spite of this, we’ll try to cover major changes in iOS 11 which have overshadowed new Continue Reading »

Firebase Authentication in iOS

  Firebase Authentication in iOS When You want to create a user based app where you want to feature or activity depends on Users. I can assume, you need User Login, Forget password and Registration screen for user-related interactions. In most of the cases, Login/Registration User functionality doesn’t belong to Client end (i.e. iOS or Continue Reading »

All About SQLite

  What is SQLite? SQLite is an open source, zero-configuration, self-contained, stand-alone, transaction relational database engine designed to be embedded in an application. SQLite is an embedded relational database management system used in the mobile applications. SQLite is different from other SQL databases because unlike most other SQL databases, SQLite does not have a separate server Continue Reading »

SOLID: Dependency Inversion Principle

Dependency Inversion Principle Previous Principle: Interface Segregation Principle High-level modules should not depend on low-level modules. Both should depend on abstractions. When designing a system we have low level classes (classes which implement primary operation like: Network access, Disk access, Database access) and high level classes which have business logic. High level classes are dependent on Continue Reading »

SOLID: Interface Segregation Principle

Interface Segregation Principle Previous Principle: Liskov’s Substitution Principle A client should never be forced to implement an interface that it doesn’t use or clients shouldn’t be forced to depend on methods they do not use. In OOD we provide abstraction to module using interfaces, so we create an interface for a module and an implementation class. Continue Reading »

SOLID: Open Close Principle

Open Close Principle If you have not read Single Responsibility Principle Start from here Single Responsibility Principle Classes should be open for extension, but closed for modification This principle states that any new functionality can be added in a system with minimum modification in the current code. Means the system should be open to additions but it should Continue Reading »