为了避免泄漏处理程序创建自定义类,扩展Handler类如下:
// Handler of incoming messages from clients.
private static class IncomingHandler extends Handler {
private WeakReference<YourActivity> yourActivityWeakReference;
public IncomingHandler(YourActivity yourActivity) {
yourActivityWeakReference = new WeakReference<>(yourActivity);
}
@Override
public void handleMessage(Message message) {
if (yourActivityWeakReference != null) {
YourActivity yourActivity = yourActivityWeakReference.get();
Edited : new ProgressTask().execute();
// switch (message.what) {
// }
}
}
}
创建这个类的对象,无论你想使用如下。
private IncomingHandler mPulseHandler;
mPulseHandler = new IncomingHandler(HomeActivity.this);
mPulseHandler.sendEmptyMessage(0);
编辑:
IncomingHandler progresshandler = new IncomingHandler(YourActivity.this);
if (editMessage.getText().toString().length() > 0) {
SendMessagesThread thread = new SendMessagesThread(progresshandler);
thread.start();
// progressDialog.show();
}
编辑:
声明这个任务在你的活动:
私人ProgressTask progressTask;
在的onCreate()
progressTask =新ProgressTask创建它的实例();在IncomingHandler
更改行:
yourActivity.progressTask.execute();
由于
如果(editMessage.getText()的toString()长度()> 0。) { SendMessagesThread螺纹=新SendMessagesThread(progresshandler); thread.start(); // progressDialog.show(); } – Jocheved
其实从这里我打电话进步处理器 – Jocheved
所以u能请帮助我如何需要修改代码 – Jocheved