One of the fundamental principles of object-oriented programming is encapsulation, this is achieved by grouping a series of methods and properties within a class. In Kotl...
Today we will try to display GIF animations. And we will do this thanks to the Glide library What is Glide? To make it short, Glide is a library that allows you to displa...
In addition to Java and C ++ , you can now develop applications through Kotlin Programming Language and Android Studio . It is a language created by JetBrains, the same t...
We have seen the objective of putting functions into a program and that they can receive data by means of parameters and return a data. The parameters of a function can b...
Call to function with named arguments in Kotlin language. This feature of Kotlin allows us to call the function indicating in any order the parameters of the same, but we...
In some cases, it is necessary to execute a statement until a certain result occurs. This is also used, for example, to output the contents of databases (eg MySQL) or sim...
Touchqode is one of the few (or indeed very few) free editors for coding through smartphones ; We talk about a specially optimized application for displays and keyboards...
During the latest edition of Google I / O, Mountain View announced Kotlin’s language support for Android Studio, which is particularly interesting because it extend...
Kotlin supports local or internal functions, ie a function within another function. Problem 1 Make a function that allows entering 10 values per keyboard and count how ma...
We will see the steps to play an mp3 file (other formats supported by Android are: Ogg, Wav) Issue: First, create a new project called Project025. Have two buttons with t...
Usually, one when developing applications on Android does all the programming, debugging and testing on a virtual device on the pc. Now let’s see the steps to test...
If condition as an expression in Kotlin language. In Kotlin there exists the possibility that the conditional if structure returns a value, a characteristic not common to...
Problem: Make a program that allows the loading of two integers in controls of type EditText (Number). Display within the same EditText controls messages that request loa...
Now let’s see the steps to play a file stored on an internet server. Issue: Provide a button labeled “Play from internet”, then when you press play the...
Functions with data return in Kotlin Language. We saw that a function is defined by a name and that it can receive data by means of its parameters. Parameters are the way...
A common memory leak in Android Although the mobile phone memory is increasing, but Android in order to achieve different applications running isolation, and will not aff...
From the first problem, we have been using the control that allows in Android to enter values by keyboard. The class that manages keyboard input is EditText. But in the c...
The meta title of a web page, which is displayed in the title bar of the browser window, has always been one of the most important ranking factors within the OnPage searc...
We said that an array is a data structure that allows storing a set of data of the same type. With a unique name an arrangement is defined and by means of a subscript we...
Kotlin provides a wide range of classes for managing collections of data. We have already seen some of the classes that allow managing collections: For basic data types (...
The PageRank (PR) is the most important reason why Google is today the most successful search engine in English-speaking and European countries. The PageRank is a rating...
The keyword density is the number of keywords used in relation to the text length. The topic of keyword density is assigned to the OnPage optimization, whereby the import...
Download tools needed to program for Android with Android Studio and Kotlin language 1 – First we must install the Java compiler and the virtual machine. These tool...
Multisite networks under WordPress have the great advantage that in this way several different pages within a domain can be conveniently managed from a single back-end. T...
The Kotlin language allows certain operators to be overloaded and to act in different ways according to the object that is applied. Operator overloading should be used as...
Android organizes the visual components (Button, EditText, TextView etc.) on the screen using containers called Layout. So far we have not worried how to organize a scree...
We have seen the creation of objects of the Button class, now we will see another class very similar to the previous called ImageButton that has the same philosophy of ha...
Anyone who owns or operates their own website will sooner or later deal with the subject of search engine optimization / SEO, regardless of whether the site is now a simp...
PHP is a server-side scripting language, which means you need a web server to run PHP programs or the PHP scripts. Luckily, installing is easier than it sounds. With XAMP...
Topic: Free guide to search engine optimization The search engine optimization is a very comprehensive topic . “Free guide to search engine optimization.” Thi...
