java - 黑莓模式文本输入

Question

BlackBerry OS (v. 4 - 6) 是否有带有文本输入字段的模式对话框？

我有一个图形应用程序，我想避免在它的画布上绘画，只需在用户的脸上扔一个模态并要求一小段文字。

Answer 1

试试下面的代码：

Dialog dialog = new Dialog(Dialog.D_OK, "Title", 0, null, 0);
EditField ef = new EditField("Input: ", "");
((DialogFieldManager)dialog.getDelegate()).getCustomManager().add(ef);

// show modal dialog, wait for response
dialog.doModal();

// get the input text
Dialog.alert(ef.getText());

对于更多的定制net.rim.device.api.ui.component.Dialog需要扩展。下面的代码将执行与上面相同的操作。

class InputDialog extends Dialog {
    private EditField inputField;

    public InputDialog() {
        super(Dialog.D_OK, "Input Dialog", 0, null, 0);
        Manager delegate = getDelegate();
        if (delegate instanceof DialogFieldManager) {
            DialogFieldManager dfm = (DialogFieldManager) delegate;
            Manager manager = dfm.getCustomManager();
            inputField = new EditField("Input: ", "", 50, EditField.EDITABLE);
            if (manager != null) {
                manager.insert(inputField, 0);
            }
        }
    }

    public String getInputText() {
        return (inputField == null) ? "" : inputField.getText();
    }
}

示例用法：

InputDialog seaerchDialog = new InputDialog();
// show modal dialog, wait for response
seaerchDialog.doModal();        
// get the input text
Dialog.alert(seaerchDialog.getInputText());

Answer 2

试试下面的代码：

保持这些全局：

Dialog dialog;    
BasicEditField bEditField = new BasicEditField();

然后像这样制作自定义对话框：

dialog = new Dialog(Dialog.OK, "Enter Value:", Dialog.OK, null, Dialog.DEFAULT_CLOSE);
dialog.add(bEditField);

dialog.doModal()从某个按钮或菜单操作调用：

int i = dialog.doModal();
if(i == Dialog.OK) {
    Dialog.inform("The Input Text is : " + bEditField.getText());
}