End to End Technology Solutions
What is If-Modified-Since? The smart and efficient way to get images, icons and more from your server. If-Modified-Since is an HTTP header Which is sent to the server as a condition. If the content has been changed on the server, then the server responds with 200 status code with the whole requested document. Else If Continue Reading »
This blog is about to integration of Line Messaging API with spring boot. I will tell you how Line Messaging API will communicate to spring boot application. What is Line Messaging API? The Line Messaging API is to establish communication between Line ChatBot and your server. If you want to create a chatbot where line Continue Reading »
Stream concept is introduced in java 1.8 and present in java.util.stream package.It is used to process the object from collection or any group of objects or data source. We can easily understand java stream concept by it’s name stream, In stream water flows from one water source to destination and we can perform some operations Continue Reading »
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 »
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 »
We have already discussed near pre-connection phase in our previous blog. Check this reference : https://innovationm.co/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 »
In this blog, we are going discuss about MVP Design Pattern for android which is a better and modified alternate of MVC. Note: I am trying to make this(MVP) concept as easy as possible because everyone might have different opinions for MVP. So, do not get confused because it is simply a design pattern to Continue Reading »
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- dependencies Continue Reading »
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 »
This blog is about database transaction handling and its design pattern in android. It also gives a brief knowledge on how to handle Exception. Here we have a main method which is responsible to get database instance -> start Database Transaction -> Mark Transaction Successful -> Commit or Rollback Transaction -> Close database. This main Continue Reading »
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 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 »
If your app is using any Google API in your project, then you need to make sure that your device has Google Play Services APK updated. Firstly, you have to decide the accurate position where you need to insert the code to update Google Play Services. If your app is entirely based on Google Play Continue Reading »
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 »
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 »
Liskov’s Substitution Principle Previous Principle: Open Close Principle Let q(x) be a property provable about objects of x of type T. Then q(y) should be provable for objects y of type S where S is a subtype of T. All it is saying that, Any method which is using a reference of base class can use Continue Reading »
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 »
Object Oriented Design Principles A good design is most important step of Software Development life cycle, and to have a good design we must follow some set of guidelines. According to Robert Martin in “Agile Software Development: Principles, Patterns, and Practices” there are 3 main reasons of bad design that should be avoided: Rigidity – System Continue Reading »
Diawi is a Wireless Build Installation tool for developers to deploy the project directly on any mobile device. It works for iOS 4+ and Android 2+ devices. Steps to App installation using diawi: Upload the iOS (ipa file) or Android (apk file) on Diawi website “https://www.diawi.com”. It will then create a link for the application. Continue Reading »
What is Font Awesome? Font Awesome is a free vector icons-pack which you can use it in your app or web. Font Awesome has 675 free Icons with a variety of categories like web-applications set, accessibility set, transportation set, file-type icon set, form-control icon set and more. Font Awesome is outline and filled-outline set Continue Reading »
Recently , I have implemented a concept of infinite scrolling in android. This is not much difficult task but it’s tricky . I have implemented it by View pager using Paging Adapter . Anyone can do it by view pager adapter like FragmentStatePagerAdapter. I have used one more thing which is View Pager Indicator . Continue Reading »
A push notification is a message that pops up on a mobile device. App publishers can send them at any time; users don’t have to be in the app or using their devices to receive them. They can do a lot of things; for example, they can show the latest sports scores, get a user Continue Reading »
Introduction I am going to introduce FCM (Firebase Cloud Messaging) implementation in Android app as well as in server side. FCM is a new, improved version of the Google Cloud Messaging (GCM). It has all the features of GCM as well as some additional features. Android side Implementation (Part 1 – Registration of app) 1 . Add Continue Reading »
Scale Animation – Introduction Scale Animation is basically to increase or decrease the size of the View. There is a class ScaleAnimation. We need to create instance of ScaleAnimation (Can be done in XML also) to do the work. One of the main constructor of this class is: public ScaleAnimation( float fromX, float toX, float Continue Reading »
What is AsyncTask AsyncTask is an abstract Android class which helps the Android applications to perform tasks without blocking the UI Thread. AsyncTask is designed to be a helper class around Thread and Handler. Thread Pool Pattern AsyncTask uses a thread pool pattern for running the stuff from doInBackground() The Thread pool Pattern is where number of Continue Reading »
Introduction to Lazy Loading What is lazy loading? A little introduction of lazy loading is it is a design pattern to defer the initialization of an object until the point at which it is needed. In simple words create objects when it is needed. Problems to Tackle Before talking about lazy loading of images, I Continue Reading »
We specify a version of database in SQLiteOpenHelper constructor. Where is this version stored in database? This version is used while upgrading the database to higher versions. It is stored in Database file header as user_version number. See below: Code SQLite Maestro Tool Database header description
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Great opportunity for Android developers. Nokia has launched a new Nokia X Software Platform, a customized platform built on the Android Open Source Project (AOSP). The Nokia X family features smartphones powered by Android. The UI resembles Windows Phone — but other parts of the system feel distinctly Android or even Asha-ish. To publish Android Continue Reading »
Facebook provides a great outlet for you to share nearly every aspect of your life with the world if you choose. You can post all sorts of different things, like photos, videos, and more. You can like, comment someone else content and so on. When you do something then who all can see it and Continue Reading »