Android: crashed when EditText Material is empty [closed] - java

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Iam trying to put the code here but the site keep giving me error
So here is it
https://github.com/C9nc/Empty-EditText/blob/main/EditTextCheck

You have initialised the buttons and edittexts even before you have called the content view !
Initialisation should be done after setContentView();

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How to select multiple list items in Android? [closed]

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How to select multiple list item in Android?
Which code do I use? If this code is right then what is next?
Use Multiple select adapter in list view you can find many library
like ManuelPeinado/MultiChoiceAdapter

Should I check if a text field has text and then clean it or directly clean it? [closed]

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So the question is basically if to have
getDriver().findElement(by).clear();
or to have
String text = getDriver().findElement(by).getText();
if (!text.equals(""))
getDriver().findElement(by).clear();
and after that a sendKeys.
Note: Most of the times, the field is empty.
This is simple math
getDriver().findElement(by).clear();
Costs as
getDriver().findElement(by).getText();
To the second line you add an if check and maybe getDriver().findElement(by).clear(); anyway.
So just call clear() without a check.

Rating Bar widget Java [closed]

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Closed 7 years ago.
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Do you a widget or a way to have a rating bar in java like android ? I'm using gtk3. I can create a radiobutton group which is quite similar but not the same visualy.
You can change the image of radiobutton with drawables.
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Listview in Java [closed]

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I need to make a listview like the pic shows, but in Java.
E.G. from Delphi Listview
I've tried to use JList but it didn't work quite right, I couldn't make columns, just rows. Could someone help me?
Try using JTable and do your own research for how to use JTable.

Android - Change modifer to static? [closed]

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So I got this bit of code http://pastebin.com/RMh4eHLq from the Android dev blog (modified) but when I try and call it via
ImageDownloader.download(image, image_main, image_table);
it tells me to change the download modifer to static but if I do that the ImageDownloader class tells me no portion is accessible. Any ideas?
Have you tried with:
ImageDownloader imgDwn = new ImageDownloader();
imgDwn.download(image, image_main, image_table);

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