Sync issues between Android threads

I now have 2 Android threads, one is the view thread, one is the worker thread, and I now want the project thread to pause until the view thread's OnDraw method is called before continuing to run

How to do? How to wait for a signal

Processing methods

To pass an object in a java2 thread, let one thread notify the other thread as follows, calling in the worker thread
Stick.wait ();
When the view thread finishes its onDraw work, it calls this:
You can call Stick.notify () when the view thread finishes calling OnDraw.
Stick.notify ();

Note that the view thread has the requirements for the display on that object. For you, this should be fairly simple to execute with a small sync block:

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void ondraw () {   ...    synchronized (stick) {     stick.notify ();    } } // end onDraw()

Original address: http://www.itmmd.com/201411/97.html
This article by Meng Meng's IT person to organize the release, reprint must indicate the source.

Sync issues between Android threads