Why the Best Mobile Apps Development in 2021 is Very Important?
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| Best Mobile Apps Development in 2021 |
Why do you want to make a native app a couple reasons are performance?
Best Mobile Apps Development in 2021 is important, something like games every frame counts or even it's like Flipboard. They found the document object model isn't fast enough.
Sometimes users tend to spend more time with apps. You have a presence on their homepage. You have persistent data and you have these familiar off-the-shelf UI components and they just really hook in well with system functions like accessibility.
For example, that's all done for you and you have access to sensors operating system functions, etc. Now the gap is definitely closing You'd be surprised at what type of sensors you have access to even just on the web. Like you have lights ambient light vibration the camera and mic accelerometer.
But there's still some like the fingerprint and payments that just don't have web support as far as persistence. We're actually working on something like this for our capstone a progressive web app. But that's limited to five megabytes and it's a little bit.
The libraries or still immature and on Android there actually is a button to add to your home page like a bookmark and there are some things like bridging APIs like PhoneGap ionic.
In the best mobile apps development in 2021 you make a mobile web app and it has all these a JavaScript API with access to some of these components. But I've found sometimes those kinds of over-promised and under-delivered like instead of write once run anywhere. It's like right once correct everywhere.
So sometimes just want a native app and tools you use Android studio is based on IntelliJ. It's available anywhere. Unfortunately, Xcode is only for the Mac there are three main programming languages. I'm going to talk about there's java and this is actually the subject of a coup work case right now.
Because the way it works is for an app from a programmer's perspective. It's exactly the same as your programming in Java, of course, there are some new APIs that are found specific But behind the scenes it's different. So the question is can an API be copyrighted and if so is Google's re-implementation of the Java language fair use and so far.
They've decided yes but it's still ongoing and the way it works is different depending on how many of the version of Android you have is the older versions instead of using a java virtual machine. This is what the desktop version uses that's what habits like portable everywhere.
They use Dalvik which is a mobile-optimized version and as far as Android lollipop and further they actually have what's called ahead of time compilation. So it's Java that's compiled to machine code and run natively and that happens when you install the app. So objective-C is the traditional language to program for iOS or even maca like OSX and it was the best mobile app developed long ago.
I think Steve Jobs when you got fired from Apple forum next step and they decide to use this as the basis of their computers eventually. They got bought again by Apple and Steve Jobs rows back. It's influenced by C and small talk a famous object-oriented language.
It's technically anything that works and sees it works in objective-c and people say it's verbose and archaic. Sometimes Swift is the say is like a new language with less of that legacy baggage and you'll find a lot of features of modern programming languages.
In it like you'll notice on the next slide and you can use it alongside Objective-C in the same project in its open source.
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| Best Mobile Apps Development in 2021 |
So here's a bunch of features of the best mobile apps development in 2021. I'm not going to go through all of them but you'll notice there's a lot of even. like things you might see in es6 one really interesting one is playgrounds. Which is it's like rebel meets textbook meets notepad meats like preview your application and you can see here. like they're executing some math code and it's generating the sine wave over here at the bottom.
So is Swift the success? I'll let you figure that out another really important thing is memory management um. It's something that's evolved over time when originally you had to manually manage your memory. That means is when you have an object let's say I say x equals new object y equals x. You have one object in memory and you have two references to that when I say y equals no I have one reference. Whenever you have no references left. You don't need it.
So it's pretty safe to say you can get rid of that memory and reclaim it for something else that's the concept. So there are a couple methods programmers used in the best mobile app development. To manage this alec creates a new object retain is when you want to assign in a variable to that object unlike additionally.
And copy creates a clone leaving the original and creating another one with a reference count of one and then release an auto release decrement. The count of the reference count and they're both very similar auto-release just differs a little bit. So let's say you want to return a function and then get rid of something.
It will hold off until after that is returned and D a lock is something you never call it. But you override it in classes and it cleans up something like properties. That might be there when that class is destroyed in 2011.
They came up with this thing called automatic reference counting which is a form of garbage collection based. On those rules, the only method that still remains of those is the outlook and that carries over to Swift.t It's not perfect you can still have things where there are circular references to a parent and child and they will never yell the memory leaks. Their children should always a weak references to their parents. There's a really cool tool to refactor stuff as far as Java they have gap garbage collected.
But it's a different algorithm you basically start at the roots. The global variables expand that out what as if it's a tree and mark every single thing you can access those are live objects. Then you look at your heap which is all the objects and any objects that aren't marked you sweep them away. This doesn't happen when your memory is like running out.
It's not something that's continuously monitored. So I'm going to build a little demo app or rather I've built it.
This is an IOS Objective C. This is what you call the interface best mobile app developer and as you can see up in the right corner that class links to a code file on the left. You're dragging out interface elements and these you can make a static layout. You can make it responsive. You can Center it on the page and when it comes the time you can link this to code files.
So the best mobile apps development in 2021 I'm going to make that little label property of the class. You can set the text dynamically and you can change colors. You can do all this sort of stuff and that's what makes it really powerful. It's like the ease of use with the like versatility of code and this is completely optional. You can do everything entirely in code but most people are going to use storyboards in interface builder.
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