Use commands on Ubuntu to create your first Qt Program

Note: This document assumes that you have successfully installed QtSDK on your operating system in Ubuntu. If not, refer to this URL: Installation

Note: This document assumes that you have successfully installed the Qt SDK on your operating system in Ubuntu. If not, see this URL: http://www.linuxidc.com/Linux/2012-11/74757.htm

Steps:

1-> open a terminal and enter the following command to create the main directory of a Qt Program

Mkdir QtHelloWorld

2-> run the following command to change the QtHelloWorld directory:

Cd QtHelloWorld

3-> In the QtHelloWorld directory, we want to create the source code file of our Qt program.

Gedit main. cpp

4-> now add the code at the bottom to the source code file of your main. cpp, save the file, and exit

5-> In the QtHelloWorld directory, enter the following command:

Qmake-project

Qmake

Make

6-> the QtHelloWorld directory contains a "QtHelloWorld" executable file. Run the following command:

./QtHelloWorld

1. # Include
2. # Include
3. # Include
4. IntMain (IntArgc,Char* Argv [])
5. {
6. QApplication app (argc, argv );
7. QLabel hello (" Welcome to my first WikiHow Qt program ");
8. Hello. setWindowTitle ("My First WikiHow Qt Program ");
9. Hello. resize (400,400 );
10. Hello. show ();
11. ReturnApp.exe c ();
12. }