31.34 Flutter Desktop Size Linux


See Section 31.37 to set the window size of a desktop application through the window_manager package.

Alternatively we observe that the flutter Linux native desktop application utilises GTK with a template application located in linux/my_application.cc. There we find the default desktop window size which is set to be 1280 by 720 around line 51.

51         gtk_window_set_default_size(window, 1280, 720);

To reduce the default window width and height on startup to have dimensions more like a mobile app, we can change the settings here:

perl -pi.bak -e 's|1280, 720|450, 700|' linux/my_application.cc

The appropriate line in the file will be updated:

51         gtk_window_set_default_size(window, 450, 700);

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