Use and principle of various messages in 10000 word double disk Handler
We often use the Handler's send or post to schedule a delayed, non delayed or queue jumping Message. However, there are few detailed studies on when and why this Message is executed.
This article will check one by one and start the principle!
At the same time, for asynchronous Message and IdleHandler that we are not familiar with, we will d ...
Posted by chele on Sat, 25 Sep 2021 11:10:18 -0700
How do I get a Massage instance of Handler? Why not just new?
Basically all by calling get ()
There are many ways to use Message, whether it's Handler#obtainMessage(), Message#obtain(), or even Handler#postRunnable(), which is essentially a static method to call Message obtain().
public final Message obtainMessage() {
return Message.obtain(this);
}
public final boolean post(@NonN ...
Posted by PDP11 on Mon, 13 Sep 2021 13:10:07 -0700