Primary

Primary 3 min read

C Programming Language Version History

As you know, C was originally developed by Dennis Ritchie between 1969 and 1973 at Bell Labs, and used to re-implement the Unix operating system. It has

Primary 2 min read

C Language Style Guide

This style guide is different from others you may see, because the focus is centered on readability and understandability. 1. Variable and method/function 1.1. Variable and

Wiki 2 min read

Compile C program with gcc compiler on Bash on Ubuntu on Windows 10 & 11

The GNU Compiler Collection (GCC) is a compiler system produced by the GNU Project supporting various programming languages. You can compile a C program by using the gcc

Primary 3 min read

Graphics (graphics.h) - C Programming

Graphics programming in C used to drawing various geometrical shapes(rectangle, circle eclipse etc), use of mathematical function in drawing curves, coloring an object with different colors and

Primary 3 min read

Introduction to C++ - C++ Programming

1. What is C++? * C++ (pronounced "see plus plus") is a programming language began as an expanded version of C. * The C++ were first invented by

Primary 5 min read

Lesson 10: Stopping and Restarting an Activity

Properly stopping and restarting your activity is an important process in the activity lifecycle that ensures your users perceive that your app is always alive and doesn'

Primary 3 min read

Lesson 9: Pausing and Resuming an Activity

During normal app use, the app sometimes loses focus, causing the activity to pause. For example, when apps run in multi-window mode, only one of the apps

Primary 6 min read

Lesson 8: Starting an Activity

Unlike other programming paradigms in which apps are launched with a main() method, the Android system initiates code in an Activity instance by invoking specific callback methods that

Primary 4 min read

Preprocessor Directives - C Programming

The C preprocessor is a macro processor that is used automatically by the C compiler to transform your program before actual compilation (Proprocessor direcives are executed before compilation.

Primary 2 min read

Lesson 7: Supporting Different Platform Versions

While the latest versions of Android often provide great APIs for your app, you should continue to support older versions of Android until more devices get updated. This

Primary 3 min read

Lesson 6: Supporting Different Screens

Android categorizes device screens using two general properties: size and density. You should expect that your app will be installed on devices with screens that range in both

Primary 2 min read

Lesson 5: Supporting Different Languages

It’s always a good practice to extract UI strings from your app code and keep them in an external file. Android makes this easy with a resources

Wiki 1 min read

C/C++ Compiler (gcc) for Android - Run C/C++ programs on Android

C4droid is a user-friendly (but powerful) C/C++ IDE + C/C++ compiler for Android. Basic features of C4droid: * Offline C compiler: create your own applications on Android

Primary 1 min read

Type Casting - C Programming

Type casting refers to changing an variable of one data type into another. The compiler will automatically change one type of data into another if it makes sense.

Android 4 min read

Lesson 4: Starting Another Activity

After completing the previous lesson, you have an app that shows an activity (a single screen) with a text field and a button. In this lesson, you’ll