How to select more than one option from list in android xml file? Give an example.

511

What is difference between weak and strong in swift?

474

How do I manually update my android os?

493

Different types of persistent stores? Which all types can we have on ios?

420

What is onstop?

525

Is core data is thread safe?

477

what are the other notifications in android?

525

What are the three layout managers?

501

When is it desirable to kill the foreground activity?

491

How to convert nsmutablearray to swift array in swift?

494

How to use core data objects between two threads?

401

Is it okay to change the name of an application after its deployment?

448

How do I check my android os version?

511

how handler thread is different from normal thread?

445

How many versions of ios are there?

406