Ok
Can the temporary file be renamed with the entered filename? This is for
the user to see and attach a file with a meaningful name.
Thanks
Il giorno venerdì 18 dicembre 2020 alle 05:53:46 UTC+1 Shai Almog ha
scritto:
> No. That's not a file name. That's a prefix and suffix. The actual name
> would be longer.
>
> On Thursday, December 17, 2020 at 11:06:00 AM UTC+2 P5music wrote:
>
>>
>> I want to know whether the creation of a temp file with that method will
>> give an error if the file already exists with that file name.
>> I think that the file name is not random because it is a parameter of the
>> createTempFile method, is it?
>>
>> Il giorno giovedì 17 dicembre 2020 alle 04:35:55 UTC+1 Shai Almog ha
>> scritto:
>>
>>> You need to save a reference to the created temp file to check if it
>>> exists as the name is random.
>>>
>>> On Wednesday, December 16, 2020 at 12:52:09 PM UTC+2 P5music wrote:
>>>
>>>> Maybe what I am saying does not make sense, but if I create the temp
>>>> file I am already going to get an error if the file exists.
>>>> So I should use
>>>> file=new File(fileName+".ext");
>>>>
>>>> and then create it with
>>>> if (!file.exists()) file=File.createTempFile(fileName,"ext");
>>>> ?
>>>> Regards
>>>>
>>>> Il giorno mercoledì 16 dicembre 2020 alle 04:45:37 UTC+1 Shai Almog ha
>>>> scritto:
>>>>
>>>>> I don't follow?
>>>>> What's the problem with exists() ?
>>>>>
>>>>> On Tuesday, December 15, 2020 at 10:41:21 AM UTC+2 P5music wrote:
>>>>>
>>>>>> Excuse me, I have another question about this.
>>>>>> The app has to check if the file is already present. It could happen
>>>>>> when the user types the same file name before the temp directory has
>>>>>> been
>>>>>> emptied.
>>>>>> So I have to check it and delete before creating it again.
>>>>>> But I wonder if temp files are special files, how to check it without
>>>>>> any uncertainty?
>>>>>> Thanks
>>>>>>
>>>>>>
>>>>>> Il giorno martedì 15 dicembre 2020 alle 05:16:12 UTC+1 Shai Almog ha
>>>>>> scritto:
>>>>>>
>>>>>>> It should. But the only way to make 100% sure is to test on the
>>>>>>> device.
>>>>>>>
>>>>>>> On Monday, December 14, 2020 at 1:25:33 PM UTC+2 P5music wrote:
>>>>>>>
>>>>>>>> I would like to know if this code snippet will work on iOS.
>>>>>>>> I want to use the message send feature to export some application
>>>>>>>> data.
>>>>>>>> The user is asked for the filename, then a temporary file is
>>>>>>>> created containing the JSON text to be exported (with a custom file
>>>>>>>> extension), then that file is used to create an output stream and
>>>>>>>> attached
>>>>>>>> like plain text (or should the json mimetype be used?), with no
>>>>>>>> subject and
>>>>>>>> no recipients.
>>>>>>>> Thanks in advance
>>>>>>>>
>>>>>>>> try {
>>>>>>>> file=File.createTempFile(fileName,"ext");
>>>>>>>>
>>>>>>>> OutputStream os =
>>>>>>>> Storage.getInstance().createOutputStream(file.getAbsolutePath());
>>>>>>>> os.write(text.getBytes("UTF-8"));
>>>>>>>> os.flush();
>>>>>>>> os.close();
>>>>>>>> } catch (IOException e) {
>>>>>>>> return;
>>>>>>>> }
>>>>>>>> Message m = new Message("");
>>>>>>>> m.getAttachments().put(file.getAbsolutePath(),
>>>>>>>> "text/plain");
>>>>>>>> Display.getInstance().sendMessage(new String[]
>>>>>>>> {""}, "", m);
>>>>>>>>
>>>>>>>>
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