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How to store data locally in the Android app

How to store data locally in the Android app – Virtually all non-trivial applications will have to store data in one way or another. This data can be different forms, such as the user’s configuration, the configuration of the application, the user’s data, the images or a cache of data obtained from the Internet. Some applications can generate data that ultimately belong to the user, so they would prefer to store the data (perhaps documents or media) in a public place that the user can examine at any time, using other applications. Other applications may want to store data, but you do not want to read this data with other applications (or even the user). The basic Android app platform provides developers with multiple ways to store data, each with its advantages and disadvantages.

There are four different ways to store data in an Android app:

Read Also – Top Android Interview Questions and Answers for 2019

Shared Preferences

You must use this to store primitive data in key-value pairs. It has a key, which must be a String and the corresponding value for that key, which can be one of Boolean, float, int, long or string Internally, the Android platform stores the Shared Preferences of an application in an XML file in a private directory. An application can have multiple files of shared preferences. Ideally, you will want to use the shared preferences to store the preferences of the application.

Internal Storage

There are a lot of situations where you may want your data to continue but your shared preferences are too limited. You may want to continue with Java objects or images. Or the data must remain logical by using a file system hierarchy. The internal data storage method is for those situations where you need to store data on the device file system, but you do not want any other application (even the user) to read this data. Data stored using the internal storage method is completely private to the application and is deleted from the device when the application is uninstalled.

External Storage

Conversely, there are other cases in which you may want the user to see the files and data saved by your application if desired. To save (and/or read) files to the device’s external storage, your application must request the WRITE_EXTERNAL_STORAGE permission. If you only want to read from external storage without writing, request the READ_EXTERNAL_STORAGE permission. The WRITE_EXTERNAL_STORAGE permission grants read/write access. However, as of Android 4.4, you can write to a “private” external storage folder without requesting WRITE_EXTERNAL_STORAGE. The “private” folder can be read by other applications and by the user, however, the data stored in these folders are not scanned by the media scanner. This app_private folder is located in the Android/data directory, and it is also deleted when your application is uninstalled.

Starting with Android 7.0, apps can request access to a particular directory, rather than requesting access to the entire external volume. This way, your app can, for example, request access to the image directory only or to the document directory. This is referred to as access to a specific domain. For more information about Android …….

How to store data locally in the Android app

SQLite database

Finally, Android provides support for applications to use SQLite databases for data storage. The databases created are specific to the application and are available for any class within the application, but not for external applications. It goes without saying that, before you decide to use an SQLite database for data storage in your application, you must have some knowledge of SQL.

Android Training in Chandigarh provides complete training of Android with live projects and practical classes.

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What is Responsive Web Design?

Responsive design is a Web design and development technique that creates a site or system that interacts with the size of the user’s screen. The quick design responds by improving the user browsing experience by creating a responsive and flexible web page that is optimized on the device that accesses it.

Rapid web design response is an approach that proposes that design and development respond to user behavior and environment based on screen size, platform and routing.

This exercise includes a mixture of flexible grid and an intelligent use of layouts, images and CSS media queries. Since the user switches from the laptop to the iPad, the website should automatically switch to adjust the resolution, image size and scripting capabilities. You may also have to look at the settings on their devices; if they have an iOS VPN on the iPad, for example, the website should not prevent the user from accessing the page. In other words, the website must have the technology necessary to automatically respond to user preferences. This would eliminate the need for a different design and development stage for each new instrument in the market.

There is a wide variety of information on sensitive web design available on the Internet, and much of that information is abstract, philosophical and anecdotal. If you are looking for a clear and concrete understanding of the basis of sensitive web design, there are three techniques that work together in Responsive Web Design:

What is Responsive Web Design?

 

  • Fluid Image
  • Fluid Grid
  • Media Quarry

Read Related Article –

Fluid Image and Fluid Grid:-

What is the best way to design a website that is displayed on hundreds of different screen sizes, some of which may not yet exist? The best way is not one made up of catering for specific devices; it makes your design more flexible, flexible and adaptable to screens of all sizes, even sizes that are not yet popular.

Media Queries:-

Media queries are probably the most important tool a web designer has to make their sites receptive. This set of rules allows developers to create fluid designs that adapt without distortion or loss of quality to the viewer’s device. It is good to note that this set of guidelines (or rules) should be stored in a CSS style sheet separate from the general style sheet (which is usually called style.css).

You can type as many media queries as you want. Its main purpose is to apply different CSS rules to get different layouts, depending on the width of the display window granted to your content. Values ​​in media queries are characterized by their percentage, not pixels, and this is the specific option that makes the different page elements flexible and flexible.

Need a Responsive Website design:-

In today’s fast-paced world, everyone prefers to get information on the march. From finding a taxi to booking tickets, the internet has taken over our lives and has given us the convenience of doing things directly from our phones while sitting at home or anywhere. This revolutionary trend has led to the rise of Mobile First Approach.

Due to the increasingly complex landscape on the web, it has become extremely important to deliver robust web experiences to an increasing number of contexts. All companies are also using improved device solutions effectively in new ways to attract more guests to their services.

They have observed that users find it much easier to search for Google destinations or their portals on their mobile phones or, at most, on iPad / tablets. If your company’s website is not optimized for mobile devices, it is off the radar and is losing a large part of the audience. Therefore, having an adaptable website for mobile devices is the need of all the businesses of today that want to address the public of each category.

Benefits of Responsive Website Designing:-

  • Improve the offline browsing experience for the user
  • Increase your reach to the tablet and the mobile audience.
  • Save cost and time on mobile development
  • Consolidate your analytics and reporting
  • Develop faster mobile in less
  • More mobile traffic
  • Responsive web design is important to improve your search engine as high-quality content.

As the Internet took off faster than anyone had predicted, it would grow as crazy. Now, during the last few years, mobile growth has exploded on the scene. The growth of mobile Internet use is also far from the overall growth of Internet use. It is difficult to find someone who does not have a mobile device, or multiple, connected to the Internet.

you’ll get the buzzwords, the philosophy and the conjecture of “responsive web design” and in clear conceptual concepts and truly technical applications. We have defined its basic characteristics and how to begin to implement the response approach with real examples. In our Web Design course in Chandigarh, you will have the opportunity to gain a deep and practical knowledge.

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Android vs iOS Development: Which Platform is Better?

choosing the right platform to manufacture your first application is a half of achievement. Do you know that each fourth user (about 23%) leave an application after a single use? You would prefer not to have such an experience, isn’t that so? You can bring down risk by obviously characterizing your aims, audience and resources. Yet, it is additionally vital to know fundamental differences of Android and iOS stages. Would you like to get the most recent information on this topic? Follow us!

IOS vs Android Development: Which Is to Select?

By the start of 2017, iOS and Android share an incredible bit of the mobile market – 96%, leaving all other operating system far behind. In any case, you need to pick out of this 2 variations in any case. Interesting fact:  Instagram, first begin on iOS in 2010, became accessible for Android users only 4 years after the fact, in 2014.

For both platforms, it is better to create an app at the same time, but there are some reasons to do so:

It’s risky. No one can tell whether your users will like your application or not, so it’s better to test it in one of the markets at first.

“Well,” you can answer, “So who should I choose?” I hope the comparison of our Android and iOS is the best answer to this question! Look at the complexity of both platforms and find their strengths and weak point.

Android vs iOS Development: Which Platform is Better?

Business aspects of iOS vs. Android development: Do not miss pieces of pie!

What do you need your application to resemble? You need it to be gainful and popular, beyond any doubt. What’s more, trust it or not, it also depends upon the platform you have chosen. How? How about we have a more intensive look!

1. Market share and number of users

5 years back, in 2012, Android with its 21.5% offer of the world’s mobile market would appear a looser contrasting with iOS 61%. Presently, over only a half of decade, the circumstance has significantly changed.

2017 Android is 64% of the world’s mobile market, which is twice that of iOS (32%). Numbers represent themselves.

Obviously, you ought to also consider other statistical details, yet have 2 possible user rather than 1, would it say it isn’t extraordinary? So in the first round of Android versus iOS development one point goes to Android.

2. Average revenue

You need your application to be well known as well as productive? Everybody needs! You may think, if Android has a greater bit of the pie, it additionally has a bigger income or larger avenue. And that’s where you are wrong.

With the 82% development in net revenue amid 2016, Android still remains behind iOS (which has developed by 60% during the most recent year). The difference is quite obvious: having a half the same number of users, Apple App Store got relatively 64% more revenue.

The income of Android’s Google Play and Apple’s App Store

Numbers talk. Once more. One point goes to iOS.

3. Downloads

It might appear obvious that Android has more application downloads than iOS. “What does it say to me?” you may inquire. Possibly Android versus iOS applications revenue comparison looks progressively appealing for you, yet the fact of the matter is that Android applications collect more cash from advertisements. More downloads mean more users. More users mean more benefit from advertisements. It’s as basic as that!

Technical aspects: how to avoid difficulties?

When choosing a platform for a mobile app, you should also consider technical factors. They will help you understand how is cheap, easy and fast.

1. Development complexity

With regards to the development complication of an Android application versus iOS application, Android loses. What’s more, we may not in any case think about differences in the programming language. The primary difficulty lies in the dissolution.

Apple has the set number of devices running on iOS: iPhone, iPod and iPad. Additionally, the latest measurements appears, that over half of users refreshed their operating system to the most recent version (iOS 11) during the first 3 weeks after the release. Presently this number is as high as 80%.

iOS designers need to manufacture an application just for the newest operating system version

It makes lives of iOS developers simpler. A development improvement procedure flow faster of the fact that you need to create your application for a restricted scope of device and operating system.

But if we talk about Android, it’s only a wreck. There are many cell phones and tablets on Android with various screen sizes and perspective proportions. It implies your application ought to be appropriate for every one of them. Or possibly for the greatest part.

A similar thing is about operating system. Here you can’t discover any, which is utilized by over half of Android device owners. What’s more, it implies that you again need to consider this distinction while building your application.

2. Development time

After reading the previous, it might be anything but difficult to think about what stage you will invest more time in building your application. Indeed, it’s Android. What’s more, yes once more, as a result of its discontinuity. So when contrasting an Android developer versus iOS designer, the last one has less work to do.

Android Studio is a usual “workplace” for Android developer

Some say it takes 30-40% longer for Android designers to make a mobile application even despite not very difficult programming language (for Android developer use Java or Kotlin, for iOS – Objective-C/Swift). What’s more, we’re trying to spare our time and right, isn’t that so?

3. Development costs

This is the important question for every developer, yet it has no reasonable answer. What’s more, that is the reason:

On the other hand, building an Android application is all the more expensive because of a greater number of operating system and devices you’ll have to design for. In any case, Android Studio (application for Android applications development) can be installed on any modern Computer

Then again, Xcode, which is required for structuring iOS applications, is accessible just for Mac, so you should get one alongside iPhone or iPad. Also, it will cost you a pretty penny.

4. Publishing

Till now it appeared that iOS applications are simpler, quicker and somewhat less expensive to design. Yet, even when your application is done and prepared to conquer users everywhere throughout the world, there is one essential step left – distributing to the application store.

Google Play Store gives you a chance to transfer your application for a one off  $25 payment and without a long and strict approval process. Infact, your mobile application will be accessible inside a few hours. You can also easily and openly run a live beta test or refresh it. There’s nothing more to it!

In any case, even when your application is done and prepared to overcome users everywhere throughout the world, there is one imperative step left – distributing to the application store.

Be that as it may, in the event that you are searching for a long and stimulate “experience”, you should Choose iOS. In any case, reconsider. Each application and even refresh in App Store experiences a strict approval process by people. What’s more, it might end not to support you, which will effort wasted.  The main way out is to attempt again and again, until your application is affirmed.

What’s more, one additionally thing: rather than on-off $25 payment in Google Play, Apple App Store set up $100 yearly expense.

In this Android versus iOS improvement duel Android is the evident winner.

In any case, actually, nobody is the champ. Every stage has its very own advantages and disadvantages, and their significance may change as per your needs.

Be that as it may, there is something else which can help you. It’s constantly critical to know your target audience and to design a mobile application as according to its preferences, interests and different attributes. So here is a general picture of iOS and Android users.

Read Also – Why Do We need to Take up Android Training

Case study

We additionally chose to give you a few clues, which will assist you with choosing the correct variation between iOS versus Android development specifically for your projects. So here are the most popular questions and answers provided by Android training in Chandigarh.

Question 1. Which platform should I choose to create e-commerce app or to create a food distribution app?

Answer: IOS, because its users have high revenue on average and spend more money in mobile apps.

Question 2. Which platform should I choose if I want to make profit from in-app ads?

Answer: Surely Android, because there are twice as many users in it, who are more inclined to see the ad.

Question 3. Which platform is better for designing mobile games?

Answer: Game App Store is the most popular category in both, but on Android, this app has 90% of all revenues, while for iOS 75%. This means Android is much better.

Conclusion

The wrestle Android versus iOS appears to end up significantly harder. Most likely, that every platform has its advantages and disadvantages. Besides, if the one was perfect, for what reason would we require the second?

In order to aggregate up how about we investigate the solid and powerless purposes of these two platform:

 

Advantages of Android development Disadvantages of Android development:
  • Bigger market;
  • Due to fragmentation, the app is long and difficult to design;
  • More app downloads;
  • More expensive;
  • Faster and less restrictive publication process;
  • Android apps get less revenue on the average;
  • Higher revenue from in-app ads.
  • More potential bugs.

 

What about iOS?

 

Advantages of iOS app development: Disadvantages of iOS app development:
  • Easier, faster and cheaper building process;
  • iOS has twice fewer users;
  • Solid market share in the USA and Europe;
  • More difficult to publish an app;
  • Brings more revenue on the average;
  • You have to buy Mac and iPhone or iPad;
  • Apps have fewer bugs.
  • Apps bring less revenue from in-app ads.

 

So as should be obvious there is no all inclusive answer for any case. You should thoroughly consider all perspectives previously making the final choice. We are certain that you won’t fail. What’s more, we Hope that this article conveyed you one step nearer to your success.

If you are looking best Android training in Chandigarh than Join Cbitss technologies. Cbitss Provides Best training in Chandigarh ..

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What Is Web Designing | Web Designing Course in Chandigarh

  • When we generate, update, or plan any website, we call it Web Designing.
  • As the builder of a builder has to make the building, in the same way Web Designer’s effort is to be created.
  • Two Types Of Web designing – Front End Web Design and Back End Web.

    Front End Web Design:

    As the name suggests, Front End Web Design  drop in front, i.e. from the part that is clear to the user. When we open any website, whatever appear  in front of us is the work of Front End designer. Our aim from Front End Web Designing is not just to adorn the website, through web designing, we have to keep in mind what to add to what makes guest coming to our website is not a issue. If we compare it with a car then the work of Front End designer is to beautify the car, it does not make sense with the engine engine, the battery engine indoors the car is the job of all the Back End builder.

    Back End Web Developer:

    Web Developer makes the minds of the site, with the end goal that in the event that a shape is rounded out on the site, who should achieve it, in the event that somebody enters the ID/secret phrase, what sort of profile should open such things. Crafted by the Back End Developer isn’t noticeable to the guest, yet without the advancement, an extraordinary site can not be made.

    What Is Web Designing | Web Designing Course in Chandigarh | CBitss Technologies

  • What to learn to become a Web Designer?

    Front hand  Web Design and Back End Web Development should be both information to become a good Web Designer.

    What to Learn for Front End Design?

    First we start with Front End Designing.

    Photo shop Basics :

    Just like we build a map from the architecture to build the house, in the same way before designing the website, we should have an idea that the website will look like. Numerous individuals plan the whole site on a great deal of photo Shop, however the individuals who are specialists do make Photo shop just to make a diagram or model.

    HTML :

    HTML means Hyper Text Markup Language HTML is a markup language used to create a website structure. HTML is a dialect that is written as code.

    CSS :

    CSS means Cascading Style Sheet. HTML is used to give format to our website and on the other hand CSS is used to design the format  of our HTML, it is used to give the style to our design.

    JavaScript:

    Here we start programming completely. HTML / CSS creates our website, but JS is used to make the design interactive. With collective I mean, if you click on the Friend request icon on Facebook, a bubble down opens below. JavaScript detects what the user has complete on your website and give to that action, it changes the design. At the point when the pictures are moving around on a site then JavaScript pivots them. HTML and CSS can generate a really good Static Website. In the event that you simply learned Photoshop, HTML and CSS, you can discover work in an IT organization and make a decent site.

    What to Learn for Front End Design?

    With HTML / CSS / JS you can create static website, you can not create features like hum database entry, Login, Register in static website.

    PHP

    In any case, numerous dialects ​​can be kept running on the backend, however initially learning PHP is simple. PHP is incredible and can make each component perform. Facebook was built on PHP only.

    Learning PHP is also beneficial because it allows us to create a website in less money. With this we can also learn to design web site on WordPress, the world’s largest website and blogs are made on WordPress, so learning PHP will make it easier for you to create WordPress.

    DataBase

    When we make an ID on Facebook or watch a video on YouTube So this is the place every one of the information is put away, we call Database. The most ordinarily utilized information is MySQL, in the wake of learning it, you can likewise store the logos of information on your site. Languages ​​like PHP are being utilized to store anything in a database like MySQL.

    Web Designing is a skill that will be very demanding in the future. Hard work will be done to go to the Expert level. But for hard work, only poverty has been written in life.

    If you still have a question about Web Designing, then Join Cbitss Technologies, Cbitss Provides Best Web Designing course  in chandigarh and give me the answer, “Do you want to learn Web Designing?”