3
有没有办法在textArea
中写入而不用去LCDUI窗口? 我想在我的LWUIT应用程序中编辑我的textArea
,但每次我尝试这样做时,应用程序都会将我发送到LCDUI窗口。LWUIT TextArea问题
有没有办法在textArea
中写入而不用去LCDUI窗口? 我想在我的LWUIT应用程序中编辑我的textArea
,但每次我尝试这样做时,应用程序都会将我发送到LCDUI窗口。LWUIT TextArea问题
要禁用LWUIT编辑控件触发器,您可以使用以下代码。
textArea.setNativeTextboxTrigger(false);
您需要实现在LWUIT文本区的源代码下面的代码
static final String CLIENT_PROPERTY_FIRE_ACTION_TIMES = "FIRE-ACTION-TIMES";
static final String CLIENT_PROPERTY_DEAFULT_TEXT = "DEFAULT-TEXT";
public void setNativeTextboxTrigger(boolean enable) {
registerNativeTextboxTriggerEvent = enable;
static final String CLIENT_PROPERTY_FIRE_ACTION_TIMES = "FIRE-ACTION-TIMES";
static final String CLIENT_PROPERTY_DEAFULT_TEXT = "DEFAULT-TEXT";
try {
if(registerNativeTextboxTriggerEvent) {
String text = null != (text = getText()) ? text : "";
this.putClientProperty(CLIENT_PROPERTY_DEAFULT_TEXT, text);
this.putClientProperty(CLIENT_PROPERTY_FIRE_ACTION_TIMES, String.valueOf(0));
final UIManager m = UIManager.getInstance();
setNativeCommandsText(m.localize("ok", "OK"), m.localize("cancel", "Cancel"));
this.addActionListener(nativeTriggerListener = getNativeTriggerActionListener());
} else {
this.putClientProperty(CLIENT_PROPERTY_DEAFULT_TEXT, null);
this.putClientProperty(CLIENT_PROPERTY_FIRE_ACTION_TIMES, null);
setNativeCommandsText(null, null);
if(null != nativeTriggerListener) {
this.removeActionListener(nativeTriggerListener);
nativeTriggerListener = null;
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
ActionListener getNativeTriggerActionListener() {
return new ActionListener() {
public void actionPerformed(ActionEvent evt) {
if(evt.getSource() instanceof TextArea) {
final TextArea tar = (TextArea)evt.getSource();
final String textEntered = tar.getText().trim();
final String defaultText = (String)tar.getClientProperty(CLIENT_PROPERTY_DEAFULT_TEXT);
int fireActionTimes = Integer.parseInt((String)tar.getClientProperty(CLIENT_PROPERTY_FIRE_ACTION_TIMES));
++fireActionTimes;
int value = fireActionTimes % 2;
if(0 == value) {
fireActionTimes = 0;
if(textEntered.equals("") || textEntered.toUpperCase().equals(defaultText.toUpperCase())) {
tar.setText(defaultText);
}
triggeredNativeToLwuit(tar);
} else
//Switching to native edit screen
if(0 < value) {
if(textEntered.toUpperCase().equals(defaultText.toUpperCase())) {
tar.setText("");
}
triggeredLwuitToNative(tar);
}
}
}
};
}
我不找'textArea.setNativeTextboxTrigger();'的LWUIT API中 – Mun0n
检查,现在我已经改变答案 –
好的,我会检查出来。 Thanks @Neel – Mun0n