Some summary of iOS threads

The role of the main thread (can be set in the main thread)

Display/Refresh UI interface

Handle UI events (such as click events, scrolling events, drag events);

Note on the use of the main thread

Do not put more time-consuming operations into the main thread.

The time-consuming operation will get stuck in the main thread. Impact the experience.

[Nsthread CurrentThread] gets the current thread.

The print thread. The Num property shows how many threads are in the line.

Put the time-consuming operation on the approached (background thread, not the main line);

Where is multithreading good?

The moment the user taps the button, it reacts.

Can handle both time-consuming operations and events with UI controls.

Multithreading Technology:

1,pthread a common set of multithreaded APIs (almost unused)

Suitable for unix\linux\windows and other systems

Cross-platform \ Portable

Very difficult to use.

Programmers are required to manage the thread's life cycle.

2,nsthread using OC

2,

Some summary of iOS threads