摘要:
Handler类的主要作用有两个:==》在新启动的线程中发送消息。==》在主线程中获取、处理消息。View Code public class TestActivity extends Activity { private Button btnStart,btnEnd; private ProgressBar proBar; protected void init(){ btnStart = (Button)findViewById(R.id.start); btnEnd = (Button)findViewById(R.id.en... 阅读全文