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我試圖實現簡單的用戶與field2.BrowserField的交互:當按鈕被點擊BrowserField加載 另一頁,但我得到IllegalStateException。BlackBerry BrowserField IllegalStateException
這裏是我的代碼:
public class BrowserScreen extends MainScreen {
private BrowserField browser;
public BrowserScreen() {
super();
setTitle("Browser State example");
ButtonField btn1 = new ButtonField("test1");
btn1.setChangeListener(new FieldChangeListener() {
public void fieldChanged(Field field, int context) {
test1();
}
});
add(btn1);
ButtonField btn2 = new ButtonField("test2");
btn2.setChangeListener(new FieldChangeListener() {
public void fieldChanged(Field field, int context) {
test2();
}
});
add(btn2);
browser = new BrowserField();
add(browser);
browser.requestContent("http://stackoverflow.com/" + ";deviceside=true;");
}
private void test1() {
UiApplication.getUiApplication().invokeLater(new Runnable() {
public void run() {
browser.requestContent("http://www.blackberry.com/developers" + ";deviceside=true");
}
});
}
private void test2() {
synchronized (Application.getEventLock())
{
browser.requestContent("http://www.blackberry.com/developers" + ";deviceside=true");
}
}
}
仍然得到越來越IllegalStateException異常 – Janci 2011-03-14 09:36:17