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;
import javax.microedition.media.control.VideoControl;
import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;
-import javax.microedition.amms.control.camera.ZoomControl;
import java.io.IOException;
/**
*/
public final class ZXingMIDlet extends MIDlet {
- private static final int MAX_ZOOM = 200;
-
private Canvas canvas;
private Player player;
private VideoControl videoControl;
protected void startApp() throws MIDletStateChangeException {
try {
- player = Manager.createPlayer("capture://video");
+ player = createPlayer();
player.realize();
- setZoom(player);
+ AdvancedMultimediaManager.setZoom(player);
videoControl = (VideoControl) player.getControl("VideoControl");
canvas = new VideoCanvas(this);
canvas.setFullScreenMode(true);
}
}
- private static void setZoom(Player player) {
- // zoom up to 2x if possible
- ZoomControl zoomControl = (ZoomControl) player.getControl("javax.microedition.amms.control.camera.ZoomControl");
- if (zoomControl != null) {
- int maxZoom = zoomControl.getMaxOpticalZoom();
- if (maxZoom > 100) {
- zoomControl.setOpticalZoom(maxZoom > MAX_ZOOM ? MAX_ZOOM : maxZoom);
- } else {
- int maxDigitalZoom = zoomControl.getMaxDigitalZoom();
- if (maxDigitalZoom > 100) {
- zoomControl.setDigitalZoom(maxDigitalZoom > MAX_ZOOM ? MAX_ZOOM : maxDigitalZoom);
- }
- }
- }
- }
+ 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) {
// Convenience methods to show dialogs
- void showYesNo(String title, final String text) {
- Alert alert = new Alert(title, text, null, AlertType.CONFIRMATION);
+ 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 cancel = new Command("Cancel", Command.CANCEL, 1);
- alert.addCommand(cancel);
+ 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.getCommandType() == Command.OK) {
try {
- platformRequest(text);
+ platformRequest(uri);
} catch (ConnectionNotFoundException cnfe) {
showError(cnfe);
} finally {
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));
+ showError(t.getMessage());
}
+ 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, 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 web page?", 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;
- }
-
}