This is a working example:
HandlerThread ht = new HandlerThread("MySuperAwesomeHandlerThread");
ht.start();
Handler h = new Handler(ht.getLooper()) {
public void handleMessage(Message msg) {
Log.d(TAG, "handleMessage " + msg.what + " in " + Thread.currentThread());
};
};
for (int i = 0; i < 5; i++) {
Log.d(TAG, "sending " + i + " in " + Thread.currentThread());
h.sendEmptyMessageDelayed(i, 3000 + i * 1000);
}
UPDATE:
Make two class fields:
Handler mHtHandler;
Handler mUiHandler;
and try this:
HandlerThread ht = new HandlerThread("MySuperAwsomeHandlerThread");
ht.start();
Callback callback = new Callback() {
@Override
public boolean handleMessage(Message msg) {
if (msg.what == 0) {
Log.d(TAG, "got a meaasage in " + Thread.currentThread() + ", now sleeping... ");
try {
Thread.sleep(2000);
} catch (InterruptedException e) {
e.printStackTrace();
}
Log.d(TAG, "woke up, notifying ui thread...");
mUiHandler.sendEmptyMessage(1);
} else
if (msg.what == 1) {
Log.d(TAG, "got a notification in " + Thread.currentThread());
}
return false;
}
};
mHtHandler = new Handler(ht.getLooper(), callback);
mUiHandler = new Handler(callback);
mHtHandler.sendEmptyMessageDelayed(0, 3000);
You can of course get rid of Callback
interface and create two Handlers with overridden handleMessage
method…