@Override
public void run() {
Looper myLooper = Looper.myLooper();
Looper mainLooper = Looper.getMainLooper();
String msgobj;
if (null == myLooper) {
// 这里获得的是主线程的Looper,由于NoLooperThread没有自己的looper所以这里肯定会被执行
mNoLooperThreadHandler = new EventHandler(mainLooper);
msgobj = "NoLooperThread has no looper and handleMessage function executed in main thread!";
} else {
mNoLooperThreadHandler = new EventHandler(myLooper);
msgobj =
"This is from NoLooperThread self and handleMessage function executed in NoLooperThread!";
}
mNoLooperThreadHandler.removeMessages(0);
if (bpostRunnable == false) {
// send message to main thread
Message msg = mNoLooperThreadHandler.obtainMessage(2, 1, 1, msgobj);
mNoLooperThreadHandler.sendMessage(msg);
Log.e(TAG, "NoLooperThread id:--------+>" + this.getId());
} else {
// 下面new出来的实现了Runnable接口的对象中run函数是在Main Thread中执行，不是在NoLooperThread中执行 记得 null == myLooper么
// 注意Runnable是一个接口，它里面的run函数被执行时不会再新建一个线程
// 您可以在run上加断点然后在eclipse调试中看它在哪个线程中执行
mNoLooperThreadHandler.post(
new Runnable() {
public void run() {
// TODO Auto-generated method stub
tv.setText("update UI through handler post runnalbe mechanism!");
Log.e(TAG, "update UI id:--------+>" + Thread.currentThread().getId());
noLooperThread.stop();
}
});
}
}
