How to run GTK+ in ubuntu. When I enter gtk+ in the terminal then it doesn't open. Neither I found any application as GTK. It doesn't run in the terminal.
GTK+ is toolkit or framework to provide user interface support. Like awt, swing or JavaFX in java.
And as mentioned on their website https://www.gtk.org/
GTK+ is cross-platform and boasts an easy to use API, speeding up your development time. Take a look at the screenshots to see a number of platforms GTK+ will run.
you can use Glade builder to build the interface for your app.
Some of the Desktop Environments like Cinnamon, Mate, Gnome use GTK framework and already have it. Installing from source can cause conflicts with your system and may crash it.