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There are two sorts of objects, primitives, like Ints, Doubles, Booleans etc, and object instances. Variables can be regarded as a memory address that stores a value. For variables declared as primitives the value stored is that of the primitive. For variables declared as instances the value is a p

A key / value persistent store. The data is serialized using B4XSerializator and is stored in an internal database. The database can be shared between B4A, B4i and B4J. Using KVS is similar to using a Map. You initialize it once and then you can put or get items with Put, Get or GetDefault methods.

Hi everybody, It was a primitive (but painstaking, from scratch ) attempt to invite the stubborn lottie animations as guests to the b4j houses. They came shyly since they are beautiful, but robust, creatures which add a great glamor to the apps making them appealing. But, after all, it is worth a tr

Because that is how primitives work in B4X (and in Java). Primitives are not accessed via references, objects are.
link: As the int added to the map is a primitive it is stored inside the map. It is not a reference to a primitive variable. Changing the var afterwards doe
link: The way to "reference a primitive" value is with a single element array. Dim Vble1(1) As Int Dim Mapa As Map Mapa.Initialize Mapa
link: Hello Lucas. The first thing I tried too. Was one of the many things I´ve tried. Thinking it twice it happens that "Object" is also a primitive type a

area Creating variables in Java Primitives and reference types Storing variables on the stack Current frame and current method Elements of the frame Values on the stack Primitives and wrapper classes Crea

I don't understand your wish as custom types can already include non-primitive items. Indeed you do in your example code. Also Java, and hence B4X can only pass parameters by value. In the case of a non-primitive type the value of a variable is a reference to the object instance. The point of pas
link: I may be barking up the wrong tree, there might be a way of achieving this that I haven't thought of Best regards Rob

Use GetEncrypted to get an encrypted value. If you want to put bitmaps then use PutBitmap and GetBitmap. The supported types of objects are: Lists, Maps, Strings, primitives (numbers), user defined types and arrays (only arrays of bytes and arrays of objects are supported). Custom types should be

Strings are objects so they are passed by reference. However strings are immutable. If you want to modify the string then you should use StringBuilder. Primitives = Numeric variables, booleans and chars.
link: Thanks Erel, now I remember reading about that before. You specified that a numeric variable can be done with an array - I assume that string and o

A primitive value is always stored in a part of the memory that is called stack and has a limited scope i.e. to the current sub. That means it can only be used where is was "dimed". When you pass it to another sub it gets stored in the scope of this sub in the stack memory at a different address. An
link: After doing some reading elsewhere I now think I grasp what is going on. For non-primitives a COPY of the reference variable is made and passed to the
link: Agraham has already explained it very clearly in post#2, post#7, post#10. (Dim A as int) is the primitive type, (Dim A(1) as int) is the non-primit
link: Actually everything is passed by value in Java and so in B4X. For a primitive that value is the quantity that the primitive represents. For a referenc

Yes but you are doing it with an s initialiSe and not initialiZe, and anyway it's better to write the object type, may be initialization is not even needed like with primitives

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