How to Programming with Filechooser

JFileChooser problems with selection of folders

This might help you: I made one ActionListener calling the method doSomething() with its calling JButton as argument ActionListener al = new ActionListener() { public void actionPerformed(ActionEvent e) { doSomething((JButton)e.getSource()); } }; The ActionListener will be added to all JButtons. RA1.addActionListener(al); RA2.addActionListener(al); ... RA8.addActionListener(al); finish.addActionListener(al); doSomething() looks like this (shortened...

OpenFile Dialog in Java gives null as response

java,null,java.util.scanner,bufferedreader,filechooser

Im following your case. I tried as below and it works with text file (txt) StringBuilder sb = new StringBuilder(); Scanner input = new Scanner(file); while(input.hasNext()){ sb.append(input.nextLine()); sb.append("\n"); } str = sb.toString(); <-- Did you miss it? ...

How to restrict a JFileChooser to a custom file type? [closed]

java,swing,filechooser

I actually have a program I am writing at the moment that has multiple JFileChooser's, each of them requiring to look for only specific file types. This example would allow you to have the same idea, so that if in the future, you need to allow for different file types,...

How to make filename/path from Gtk+ (Python 3.4) FileChooserDialog accessible globally

python,gtk,gtk3,filechooser

Consider the path variable as an instance to FileChooser(). It provides a logical end to have path accessed by the dialog that is representing the FileChooser(). class FileChooser(): def __init__(self): #Stores your path self.path = None dia = Gtk.FileChooserDialog("Please choose a file", None, Gtk.FileChooserAction.OPEN, (Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL, Gtk.STOCK_OPEN, Gtk.ResponseType.OK)) self.add_filters(dia) response...

Python & Kivy Attribute Error:

python-2.7,kivy,filechooser

Your indentation is wrong, all the functions are declared in your __init__ rather than as methods. You also don't call super(ClientScreen, self).__init__(**kwargs), which would lead to other problems since it means the screen and widget internals aren't initialised....

How to open Photos by the FileChooser with a certain extension with JavaFX?

javafx,filechooser

The FileChooser class has a nested class ExtensionFilter. First you have to create an Instance of it: FileChooser.ExtensionFilter imageFilter = new FileChooser.ExtensionFilter("Image Files", "*.jpg", "*.png"); afterwards you can add this Instance to your FileChooser's Extension list: FileChooser fc = new FileChooser(); fc.getExtensionFilters().add(imageFilter); A Minimal Complete Verifiable Example code is down...

how to use Storage Access Framework in a simple file upload code Button?

android,button,upload,filechooser,storage-access-framework

I came across these open source libraries just recently myself... https://github.com/iPaulPro/aFileChooser https://github.com/ianhanniballake/LocalStorage https://github.com/spacecowboy/NoNonsense-FilePicker These resources should definitely lead you towards your solution....

Pressing cancel after showing FileChooser causes NullPointerException

java,nullpointerexception,javafx-8,filechooser

showSaveDialog, from the docs, returns: null if no selection has been made. So by chaining your getFile() onto the end of showSaveDialog() you get your NPE when the user cancels. You need to do something like: File fileChoice = fileChooser.showSaveDialog(root.getScene().getWindow()); if (fileChoice == null) { // handle cancellation properly }...

GTK+3 file chooser in a non-GTK application

c,gtk3,filechooser

You cannot use widgets without a gtk mainloop. Well, it seems I was wrong. My sincere apologies! I had actually tried to do this before and the conclusions were exactly what I described. But the issue has bugged me for the last days, so I did some more digging...