Struct android_ndk::looper::ThreadLooper

pub struct ThreadLooper { /* fields omitted */ }

A thread-local ALooper. This contains no real data; just the promise that there is a looper associated with the current thread.

Methods

impl ThreadLooper

pub fn for_thread() -> Option<Self>

Returns the looper associated with the current thread, if any.

pub unsafe fn new_unchecked() -> Self

Create a ThreadLooper without checking that there is one associated with the current thread.

pub fn poll_once(&self) -> Result<Poll, PollError>

Polls the looper, blocking on processing an event.

pub fn poll_once_timeout(&self, timeout: Duration) -> Result<Poll, PollError>

Polls the looper, blocking on processing an event, but with a timeout. Give a timeout of 0 to make this non-blocking.

It panics if the timeout is larger than expressible as an i32 of milliseconds (roughly 25 days).

pub fn poll_all(&self) -> Result<Poll, PollError>

Repeatedly polls the looper, blocking on processing an event.

This function will never return Poll::Callback.

pub fn poll_all_timeout(&self, timeout: Duration) -> Result<Poll, PollError>

Repeatedly polls the looper, blocking on processing an event, but with a timeout. Give a timeout of 0 to make this non-blocking.

This function will never return Poll::Callback.

It panics if the timeout is larger than expressible as an i32 of milliseconds (roughly 25 days).