WebJul 30, 2014 · This is happening because my various widget listeners are not being told of state changes until my SwingWorker is completely finished! This means that my code to call SwingWorker.cancel() is useless. Fortunately I have managed to replicate the same behaviour with a slightly amended version of one of the SwingWorker tutorial examples, … You need to keep a reference to your SwingWorker, then you use that reference to cancel the worker thread. MySwingWorker myWorker = new MySwingWorkerClass(args).execute(); button.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { // Stop the swing worker thread myWorker.cancel(true); } });
Java 直到for循环结束,才将元素逐个添加到JList_Java_Timer_Jlist
WebCanceling Background Tasks. To cancel a running background task, invoke SwingWorker.cancel The task must cooperate with its own cancellation. There are two … Web続いて、SwingWorker はすべての PropertyChangeListeners に、state プロパティーの値が StateValue.DONE に変更されたことを通知します。 SwingWorker は 1 回だけ実行されるように設計されています。SwingWorker を複数回実行しても、doInBackground メソッドは 1 回しか呼び出され ... read the notebook online free
Simple Background Tasks (The Java™ Tutorials - Oracle
WebAug 18, 2010 · ›Groundbreakers Developer Community › Java SE Java SE › Swing Swing WebSwingWorkerサンプル さて、上でうまくいかなかったプログラムをSwingWorkerを使って変更してみます。 まずSwingWorkerを継承したクラスを作成します。② 別スレッドで行うのは、300msec待つという長い処理です。これをdoInBackgroundに書きます。 WebJul 21, 2010 · The problem is I can't stop the SwingWorker. When I push the button and call the cancel(true) method the program keeps running as if nothing has happened and … how to store and organize greeting cards