android 线程通信Handler Bundle
主线程:
//生成一个HandlerThread对象,实现了使用Looper来处理消息队列的功能,这个类由Android应用程序框架提供
HandlerThread handlerThread = new HandlerThread("handler_thread");
//在使用HandlerThread的getLooper()方法之前,必须先调用该类的start();
handlerThread.start();
MyHandler myHandler = new MyHandler(handlerThrea
HandlerThread handlerThread = new HandlerThread("handler_thread");
//在使用HandlerThread的getLooper()方法之前,必须先调用该类的start();
handlerThread.start();
MyHandler myHandler = new MyHandler(handlerThread.getLooper());
Message msg = myHandler.obtainMessage();
//将msg发送到目标对象,所谓的目标对象,就是生成该msg对象的handler对象
Bundle b = new Bundle();
b.putInt("age", 20);
b.putString("name", "Jhon");
msg.setData(b);
msg.sendToTarget();
其他进程:
class MyHandler extends Handler{
public MyHandler(){
}
public MyHandler(Looper looper){
super(looper);
}
@Override
public void handleMessage(Message msg) {
Bundle b = msg.getData();
int age = b.getInt("age");
String name = b.getString("name");
System.out.println("age is " + age + ", name is" + name);
System.out.println("Handler--->" + Thread.currentThread().getId());
System.out.println("handlerMessage");
}
}