/**
* We have to provide this method due to "do not do network operation in command listener method"
* restriction, which is caused by crooked midp design.
*
* <p>This method is called by BTImageClient after it is done with bluetooth initialization and
* next screen is ready to appear.
*/
void completeInitialization(boolean isBTReady) {
// bluetooth was initialized successfully.
if (isBTReady) {
StringItem si = new StringItem("Ready for images search!", null);
si.setLayout(StringItem.LAYOUT_CENTER | StringItem.LAYOUT_VCENTER);
mainScreen.append(si);
Display.getDisplay(parent).setCurrent(mainScreen);
return;
}
// something wrong
Alert al = new Alert("Error", "Can't initialize bluetooth", null, AlertType.ERROR);
al.setTimeout(DemoMIDlet.ALERT_TIMEOUT);
Display.getDisplay(parent).setCurrent(al, parent.getDisplayable());
}
/**
* Process the command events.
*
* @param c - the issued command.
* @param d - the screen object the command was issued for.
*/
public void commandAction(Command c, Displayable d) {
// back to demo main screen
if (c == SCR_MAIN_BACK_CMD) {
destroy();
parent.show();
return;
}
// starts images (device/services) search
if (c == SCR_MAIN_SEARCH_CMD) {
Form f = new Form("Searching...");
f.addCommand(SCR_SEARCH_CANCEL_CMD);
f.setCommandListener(this);
f.append(new Gauge("Searching images...", false, Gauge.INDEFINITE, Gauge.CONTINUOUS_RUNNING));
Display.getDisplay(parent).setCurrent(f);
bt_client.requestSearch();
return;
}
// cancels device/services search
if (c == SCR_SEARCH_CANCEL_CMD) {
bt_client.cancelSearch();
Display.getDisplay(parent).setCurrent(mainScreen);
return;
}
// back to client main screen
if (c == SCR_IMAGES_BACK_CMD) {
bt_client.requestLoad(null);
Display.getDisplay(parent).setCurrent(mainScreen);
return;
}
// starts image download
if (c == SCR_IMAGES_LOAD_CMD) {
Form f = new Form("Loading...");
f.addCommand(SCR_LOAD_CANCEL_CMD);
f.setCommandListener(this);
f.append(new Gauge("Loading image...", false, Gauge.INDEFINITE, Gauge.CONTINUOUS_RUNNING));
Display.getDisplay(parent).setCurrent(f);
List l = (List) d;
bt_client.requestLoad(l.getString(l.getSelectedIndex()));
return;
}
// cancels image load
if (c == SCR_LOAD_CANCEL_CMD) {
bt_client.cancelLoad();
Display.getDisplay(parent).setCurrent(listScreen);
return;
}
// back to client main screen
if (c == SCR_SHOW_BACK_CMD) {
Display.getDisplay(parent).setCurrent(listScreen);
return;
}
}