java 另一个等待线程 - 字体：https：//stackoverflow.com/questions/2321829/android-asynctask-testing-with-android

Posted 2021-05-08

public void testSomething(){
  final CountDownLatch signal = new CountDownLatch(1);
  Service.doSomething(new Callback() {

    @Override
    public void onResponse(){
      // test response data
      // assertEquals(..
      // assertTrue(..
      signal.countDown();// notify the count down latch
    }
  
  });
  signal.await();// wait for callback
}