Install the Qt4.8.5 + Qt Creator instance in Ubuntu and ubuntuqt4.8.5

Install the Qt4.8.5 + Qt Creator instance in Ubuntu and ubuntuqt4.8.5
Easy installation

Sudo apt-get install build-essential. Sudo apt-get install qt4-dev-tools qt4-doc qt4-qtconfig qt4-demos qtcreator

This method is not necessarily the latest version. Check the version number.

Qmake-vqtcreator-version

We can see that the installed Qt version is 4.8.7, And the Qt Creator 3.5.1 Based on Qt5.5.1

Test

Create a helloworld directory and main. cpp

# Include

 
  
# Include

  
   
Int main (int argc, char * argv []) {QApplication app (argc, argv); QPushButton but ("Hello world! "); But. resize (300,100); but. show (); return app.exe c ();}

  

 

Compile and run

Qmake-projectqmakemake./helloworld

Running result