package com.google.zxing.client.j2me;
+import com.google.zxing.client.result.BookmarkDoCoMoResult;
+import com.google.zxing.client.result.EmailAddressResult;
+import com.google.zxing.client.result.EmailDoCoMoResult;
+import com.google.zxing.client.result.ParsedReaderResult;
+import com.google.zxing.client.result.ParsedReaderResultType;
+import com.google.zxing.client.result.UPCParsedResult;
+import com.google.zxing.client.result.URIParsedResult;
+
import javax.microedition.io.ConnectionNotFoundException;
import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.AlertType;
*/
public final class ZXingMIDlet extends MIDlet {
+ private Canvas canvas;
private Player player;
private VideoControl videoControl;
protected void startApp() throws MIDletStateChangeException {
try {
- player = Manager.createPlayer("capture://video");
+ player = createPlayer();
player.realize();
+ AdvancedMultimediaManager.setZoom(player);
videoControl = (VideoControl) player.getControl("VideoControl");
- Canvas canvas = new VideoCanvas(this);
+ canvas = new VideoCanvas(this);
canvas.setFullScreenMode(true);
videoControl.initDisplayMode(VideoControl.USE_DIRECT_VIDEO, canvas);
videoControl.setDisplayLocation(0, 0);
videoControl.setDisplaySize(canvas.getWidth(), canvas.getHeight());
videoControl.setVisible(true);
- /*
- FocusControl focusControl = (FocusControl)
- player.getControl("javax.microedition.amms.control.FocusControl");
- if (focusControl != null) {
- if (focusControl.isAutoFocusSupported()) {
- focusControl.setFocus(FocusControl.AUTO);
- }
- if (focusControl.isMacroSupported()) {
- focusControl.setMacro(true);
- }
- } else {
- System.out.println("FocusControl not supported");
- }
- */
- Display.getDisplay(this).setCurrent(canvas);
player.start();
+ Display.getDisplay(this).setCurrent(canvas);
} catch (IOException ioe) {
throw new MIDletStateChangeException(ioe.toString());
} catch (MediaException me) {
}
}
+ private static Player createPlayer() throws IOException, MediaException {
+ // Try a workaround for Nokias, which want to use capture://image in some cases
+ Player player = null;
+ String platform = System.getProperty("microedition.platform");
+ if (platform != null && platform.indexOf("Nokia") >= 0) {
+ try {
+ player = Manager.createPlayer("capture://image");
+ } catch (MediaException me) {
+ // if this fails, just continue with capture://video
+ }
+ }
+ if (player == null) {
+ player = Manager.createPlayer("capture://video");
+ }
+ return player;
+ }
+
protected void pauseApp() {
if (player != null) {
try {
// Convenience methods to show dialogs
- void showYesNo(String title, final String text) {
- Alert alert = new Alert(title, text, null, AlertType.INFO);
+ private void showOpenURL(String title, final String display, final String uri) {
+ Alert alert = new Alert(title, display, null, AlertType.CONFIRMATION);
alert.setTimeout(Alert.FOREVER);
- final Command yes = new Command("Yes", Command.OK, 0);
- final Command no = new Command("No", Command.CANCEL, 0);
+ Command yes = new Command("Yes", Command.OK, 1);
alert.addCommand(yes);
+ Command no = new Command("No", Command.CANCEL, 1);
alert.addCommand(no);
CommandListener listener = new CommandListener() {
public void commandAction(Command command, Displayable displayable) {
- if (command.equals(yes)) {
+ if (command.getCommandType() == Command.OK) {
try {
- if (platformRequest(text)) {
- // Successfully opened URL; exit
- stop();
- }
+ platformRequest(uri);
} catch (ConnectionNotFoundException cnfe) {
showError(cnfe);
+ } finally {
+ stop();
}
+ } else {
+ // cancel
+ Display.getDisplay(ZXingMIDlet.this).setCurrent(canvas);
}
}
};
showAlert(alert);
}
- void showAlert(String title, String text) {
+ private void showAlert(String title, String text) {
Alert alert = new Alert(title, text, null, AlertType.INFO);
alert.setTimeout(Alert.FOREVER);
showAlert(alert);
}
void showError(Throwable t) {
- showAlert(new Alert("Error", t.getMessage(), null, AlertType.ERROR));
+ String message = t.getMessage();
+ if (message != null && message.length() > 0) {
+ showError(message);
+ } else {
+ showError(t.toString());
+ }
}
+ void showError(String message) {
+ showAlert(new Alert("Error", message, null, AlertType.ERROR));
+ }
+
private void showAlert(Alert alert) {
Display display = Display.getDisplay(this);
- display.setCurrent(alert, display.getCurrent());
+ display.setCurrent(alert, canvas);
}
void handleDecodedText(String text) {
- // This is a crude imitation of the code found in module core-ext, which handles the contents
- // in a more sophisticated way. It can't be accessed from JavaME just yet because it relies
- // on URL parsing routines in java.net. This should be somehow worked around: TODO
- // For now, detect URLs in a simple way, and treat everything else as text
- if (text.startsWith("http://") || text.startsWith("https://") || maybeURLWithoutScheme(text)) {
- showYesNo("Open URL?", text);
+ ParsedReaderResult result = ParsedReaderResult.parseReaderResult(text);
+ ParsedReaderResultType type = result.getType();
+ if (type.equals(ParsedReaderResultType.URI)) {
+ String uri = ((URIParsedResult) result).getURI();
+ showOpenURL("Open web page?", uri, uri);
+ } else if (type.equals(ParsedReaderResultType.BOOKMARK)) {
+ String uri = ((BookmarkDoCoMoResult) result).getURI();
+ showOpenURL("Open web page?", uri, uri);
+ } else if (type.equals(ParsedReaderResultType.EMAIL)) {
+ String email = ((EmailDoCoMoResult) result).getTo();
+ showOpenURL("Compose e-mail?", email, "mailto:" + email);
+ } else if (type.equals(ParsedReaderResultType.EMAIL_ADDRESS)) {
+ String email = ((EmailAddressResult) result).getEmailAddress();
+ showOpenURL("Compose e-mail?", email, "mailto:" + email);
+ } else if (type.equals(ParsedReaderResultType.UPC)) {
+ String upc = ((UPCParsedResult) result).getUPC();
+ String uri = "http://www.upcdatabase.com/item.asp?upc=" + upc;
+ showOpenURL("Look up UPC?", upc, uri);
} else {
- showAlert("Barcode detected", text);
+ showAlert("Barcode detected", result.getDisplayResult());
}
}
- private static boolean maybeURLWithoutScheme(String text) {
- return text.indexOf((int) '.') >= 0 && text.indexOf((int) ' ') < 0;
- }
-
}