CODEWITHSUNDEEP
flutterdartflutter-test
G. Marc
G. Marc

Reputation: 5997

How to select a value from a DropdownButton using Flutter Driver?

I'd like to select an entry from a DropdownButton in a form. I managed to tap on the button using the following:

await driver.tap(find.byValueKey('object_type'));

How can I find an entry now? The DropdownMenuItem entries are dynamically generated using values from a database. I think it's kind of awkward setting a key for each value, so I tried the following:

await driver.tap(find.byValueKey('object_type'));
await driver.waitFor(find.text('Car'));
await driver.tap(find.text('Car'));

However, this doesn't work as I get a timeout.

Upvotes: 0

Views: 3178

Answers (1)

John_S
John_S

Reputation: 602

I am also faced the same issue, But I was able to resolve issue using below code

       final drop = find.byValueKey('object_type');
       // First, tap the dropdown button.
       await driver.tap(drop);
       await driver.tap(find.text('Car'));
       expect(await driver.getText(find.text('Car')), isNotNull);

Suppose dropdown has large set of data then we need to scroll down the dropdown and search for the expected value.

       final SerializableFinder dropFinder = find.byValueKey('object_type');    
       await driver.scroll(dropFinder , 0, -200, Duration(milliseconds: 3000));
       await driver.tap(find.text('Car'));
       expect(await driver.getText(find.text('Car')), isNotNull);

Upvotes: 1

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