Add FlutterScreenshot command

README.md

@@ -56,6 +56,7 @@ affecting the `:FlutterAttach` command.
 * `:FlutterAttach <args>` - calls `flutter attach <args>`
 * `:FlutterHotReload` - triggers a hot reload on the current Flutter process
 * `:FlutterHotRestart` - triggers a hot restart on the current Flutter process
+* `:FlutterScreenshot` - takes a screenshot of the current Flutter application and saves it in the project directory
 * `:FlutterQuit` - quits the current Flutter process
 * `:FlutterDevices` - opens a new buffer, and writes the output of `flutter devices` to it
 * `:FlutterSplit` - opens Flutter output in a horizontal split

autoload/flutter.vim

@@ -64,6 +64,10 @@ function! flutter#quit() abort
   return flutter#send('q')
 endfunction
 
+function! flutter#screenshot() abort
+  return flutter#send('s')
+endfunction
+
 function! flutter#_exit_cb(job, status) abort
   if exists('g:flutter_job')
     unlet g:flutter_job

plugin/flutter.vim

@@ -47,6 +47,7 @@ command! FlutterHotReload call flutter#hot_reload()
 command! -nargs=* -complete=file FlutterRun call flutter#run(<f-args>)
 command! -nargs=* -complete=file FlutterAttach call flutter#attach(<f-args>)
 command! FlutterHotRestart call flutter#hot_restart()
+command! FlutterScreenshot call flutter#screenshot()
 command! FlutterQuit call flutter#quit()
 command! FlutterVisualDebug call flutter#visual_debug()
 
@@ -67,6 +68,7 @@ function! FlutterMenu() abort
   menu Flutter.Attach :FlutterAttach<CR>
   menu Flutter.Hot\ Reload :FlutterHotReload<CR>
   menu Flutter.Hot\ Restart :FlutterHotRestart<CR>
+  menu Flutter.Screenshot :FlutterScreenshot<CR>
   menu Flutter.Open\ Output.In\ &Split :FlutterSplit<CR>
   menu Flutter.Open\ Output.In\ &VSplit :FlutterVSplit<CR>
   menu Flutter.Open\ Output.In\ &Tab :FlutterTab<CR>