The Javascript itself is not that slow but crossing the barrier from Javascript to the native widgets was slow.įlutter is the reverse. However it does use the platform’s native widgets so it is an improvement. Then there is React Native which is programmed in JavaScript with is not a native language and is interpreted on the platforms. These were usually slow and the look and feel often stands out as not matching the platform. The early cross platform approaches which were generally labelled as non-native used a non-native programming language (JavaScript or an early one I played with was in Ruby) and used HTML for the UI. But in actuality Java is not native on Android in the sense that it is a VM and the code is converted to actual processor instructions at run time or can actually be ahead of time. One way to use it is that you are writing apps using the normal language for that platform (Java for Android and Swift/Objective-C on iOS) and using the widgets provided by the platform. Using the native widgets for a platform can mean that the UI is consistent with the look and feel of the platform. More native programming languages can mean faster running. There are 2 aspects of being native, the language used for coding and what widgets are used. In terms of mobile development it has been used to mean many things and is almost marketing speak. In general native always means that a language is compiled to bytecode for the device directly.Ĭould anybody explain what is the meaning of native? For one you no longer can access any of the many thousands of java libraries, but on the other hand you don’t need the big jvm installed which can be advantageous on small lite devices (IOT). This has a few advantages and disadvantages. So it can generate byte code for windows or linux, etc. In that case kotlin still generates byte code but no longer for the jvm but for a device directly. ![]() The last and (afaik) the newest target is kotlin native. While kotlin normally generates byte code kotlin js generates a java script file which you can then use in your websites. The next target for kotlin is java script (js) which is a programming language mainly used in websites. Apart from Java (which is obvious) there are many other languages compiling to jvm byte code like scala or clojure. This is a kind of machine code that can be run on any computer/device which has the jvm installed. The first and also “normal” one is the jvm or Java Virtual Machine. ![]() Kotlin as a language currently compiles to 3 different “targets”.
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