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The class context is the activity that initialized the class instance. The class will only handle events while its activity is in the foreground. In many cases the best (simplest) solution is to use a Service. Services are simpler to work with compared to activities as they are never paused.

You may be interested in examining the code in the demo and the class. Remove them if you don't like my solution. H. The 'WiLNetChart' class is dependent on the 'Arrow' class Here The class is included in the demo below. Even with all these features, the class size is only about 450 lines of code.
link: 2. Use the call back functions to drag the elements to the desired place. This option requires some extra code, but it is doable. If you decide to do
link: Hi William, any plan on making a flowchart kind of app with authoring/editing functionality? I am making a modular system now that signals flow diff

Let's create a set of structures - each will be implemented as one or more standard classes. Story: a set of ordered scenes Scene: a collection of Faces Face: a collection of Assemblies Assembly: a collection of Traces Trace: a set of ordered Points Point: a pair of ordered Numbers
link: E. The Assembly class is an ordered collections of traces. This is also implemented as a List The traces in a Assembly should move in a co-ordinate
link: "outline":crimson, "thickness":3)) Traces(8).Arrow(250, 15, 60, 15) 'The Arrow class is embedded: https://www.b4x.com/android/forum/threads/b4
link: Addendum to #2 Tutorial B: Download the project, and open it in B4J. You can see the effect of changing screen sizes by resizing the form. C. One o

A simple class for randomly picking items from a group without repetitions (but also with repetitions, if desired). It works on all platforms (B4A, B4J, B4I), of course. Main methods: Initialize(..., NumOfItems As Int) Creates, by default, a list of numeric items, from 1 to NumOfItems you will pr

I have included copious comments. Feedback is always welcome. 118265 118266
link: For a more advanced use for RecordSet, here is a working app that performs standard statistical tests: Crosstabs/Chi squared, Breakdown/ANOVA/Error ba
link: One quick way to try out the demo is to use one of your Excel sheets that contains a section of headers and data rows. Step 1. If the data grid does

You can't. A class is just a template. You need to create an instance from that template before you can call it. For further discussion please start a new thread in the questions forum.

Hi everyone, this is a what's new class for B4A and B4i (b4xlib) that you can use to display information for new views or functions (related to views obviously) of your application. (7/2/2021) Added support for nested views. (24/2/2020) I have added the new sub to the lib that sets new borders f

and ReminderInfo are Types that are defined in the class - Events vs. Instances: Instances are individual instances of recurring Events - The Manifest has been edited as well, and RuntimePermissions must be requested - see @DonManfred 's post - General Google information about the Calendar provider

I don't agree completely, although your concepts are valid. 1) Mainly you should use classes when you need to represent an object, real object or immaterial object. 2) You can use a single instance of a class instead of a code module; so, if later you will need typical characteristics of classes yo
link: Types are also useful for B4X language because by storing them on a list, you can order them with this specific function: Type Person (name As S
link: In order to choose the right one for you, ask yourself these simple questions: 1) Will my object contain functions? YES: Class or Module | NO: Type 2)

Not related. Are you sure that the wrapped library is compatible with Android? module-info.class is a module description file. This is a Java 9+ feature that is not supported by Android.

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