<arg value="-keep class com.google.zxing.client.android.*Activity"/>
<arg value="-keep class com.google.zxing.client.android.ViewfinderView { public * ; }"/>
<arg value="-keep class com.google.zxing.client.android.book.SearchBookContents* { public * ; }"/>
+ <!-- This works around some strange Android/ProGuard problem verifying MaskUtil -->
+ <arg value="-keep class com.google.zxing.qrcode.encoder.MaskUtil { public * ; }"/>
<arg value="-target 5"/>
<arg value="-optimizationpasses 4"/>
<arg value="-dontshrink"/>
package com.google.zxing.client.android;
+import com.google.zxing.BarcodeFormat;
import com.google.zxing.Result;
import com.google.zxing.ResultPoint;
import com.google.zxing.client.android.history.HistoryManager;
import android.widget.TextView;
import java.io.IOException;
+import java.util.Vector;
+import java.util.regex.Pattern;
/**
* The barcode reader activity itself. This is loosely based on the CameraPreview
* @author dswitkin@google.com (Daniel Switkin)
*/
public final class CaptureActivity extends Activity implements SurfaceHolder.Callback {
+
private static final String TAG = "CaptureActivity";
+ private static final Pattern COMMA_PATTERN = Pattern.compile(",");
private static final int SHARE_ID = Menu.FIRST;
private static final int HISTORY_ID = Menu.FIRST + 1;
private static final String PRODUCT_SEARCH_URL_SUFFIX = "/m/products/scan";
private static final String ZXING_URL = "http://zxing.appspot.com/scan";
+ static final Vector<BarcodeFormat> PRODUCT_FORMATS;
+ static final Vector<BarcodeFormat> ONE_D_FORMATS;
+ static final Vector<BarcodeFormat> QR_CODE_FORMATS;
+ static final Vector<BarcodeFormat> ALL_FORMATS;
+
+ static {
+ PRODUCT_FORMATS = new Vector<BarcodeFormat>(5);
+ PRODUCT_FORMATS.add(BarcodeFormat.UPC_A);
+ PRODUCT_FORMATS.add(BarcodeFormat.UPC_E);
+ PRODUCT_FORMATS.add(BarcodeFormat.EAN_13);
+ PRODUCT_FORMATS.add(BarcodeFormat.EAN_8);
+ PRODUCT_FORMATS.add(BarcodeFormat.RSS14);
+ ONE_D_FORMATS = new Vector<BarcodeFormat>(PRODUCT_FORMATS.size() + 3);
+ ONE_D_FORMATS.addAll(PRODUCT_FORMATS);
+ ONE_D_FORMATS.add(BarcodeFormat.CODE_39);
+ ONE_D_FORMATS.add(BarcodeFormat.CODE_128);
+ ONE_D_FORMATS.add(BarcodeFormat.ITF);
+ QR_CODE_FORMATS = new Vector<BarcodeFormat>(1);
+ QR_CODE_FORMATS.add(BarcodeFormat.QR_CODE);
+ ALL_FORMATS = new Vector<BarcodeFormat>(ONE_D_FORMATS.size() + QR_CODE_FORMATS.size());
+ ALL_FORMATS.addAll(ONE_D_FORMATS);
+ ALL_FORMATS.addAll(QR_CODE_FORMATS);
+ }
+
private enum Source {
NATIVE_APP_INTENT,
PRODUCT_SEARCH_LINK,
private boolean copyToClipboard;
private Source source;
private String sourceUrl;
- private String decodeMode;
+ private Vector<BarcodeFormat> decodeFormats;
private String versionName;
private HistoryManager historyManager;
if (action.equals(Intents.Scan.ACTION)) {
// Scan the formats the intent requested, and return the result to the calling activity.
source = Source.NATIVE_APP_INTENT;
- decodeMode = intent.getStringExtra(Intents.Scan.MODE);
+ decodeFormats = parseDecodeFormats(intent);
resetStatusView();
} else if (dataString != null && dataString.contains(PRODUCT_SEARCH_URL_PREFIX) &&
dataString.contains(PRODUCT_SEARCH_URL_SUFFIX)) {
// Scan only products and send the result to mobile Product Search.
source = Source.PRODUCT_SEARCH_LINK;
sourceUrl = dataString;
- decodeMode = Intents.Scan.PRODUCT_MODE;
+ decodeFormats = PRODUCT_FORMATS;
resetStatusView();
} else if (dataString != null && dataString.equals(ZXING_URL)) {
// Scan all formats and handle the results ourselves.
// TODO: In the future we could allow the hyperlink to include a URL to send the results to.
source = Source.ZXING_LINK;
sourceUrl = dataString;
- decodeMode = null;
+ decodeFormats = null;
resetStatusView();
} else {
// Scan all formats and handle the results ourselves (launched from Home).
source = Source.NONE;
- decodeMode = null;
+ decodeFormats = null;
resetStatusView();
}
} else {
source = Source.NONE;
- decodeMode = null;
+ decodeFormats = null;
if (lastResult == null) {
resetStatusView();
}
initBeepSound();
}
+ private static Vector<BarcodeFormat> parseDecodeFormats(Intent intent) {
+ String scanFormats = intent.getStringExtra(Intents.Scan.SCAN_FORMATS);
+ if (scanFormats != null) {
+ Vector<BarcodeFormat> formats = new Vector<BarcodeFormat>();
+ try {
+ for (String format : COMMA_PATTERN.split(scanFormats)) {
+ formats.add(BarcodeFormat.valueOf(format));
+ }
+ } catch (IllegalArgumentException iae) {
+ // ignore it then
+ }
+ }
+ String decodeMode = intent.getStringExtra(Intents.Scan.MODE);
+ if (decodeMode != null) {
+ if (Intents.Scan.PRODUCT_MODE.equals(decodeMode)) {
+ return PRODUCT_FORMATS;
+ }
+ if (Intents.Scan.QR_CODE_MODE.equals(decodeMode)) {
+ return QR_CODE_FORMATS;
+ }
+ if (Intents.Scan.ONE_D_MODE.equals(decodeMode)) {
+ return ONE_D_FORMATS;
+ }
+ }
+ return null;
+ }
+
@Override
protected void onPause() {
super.onPause();
}
if (handler == null) {
boolean beginScanning = lastResult == null;
- handler = new CaptureActivityHandler(this, decodeMode, beginScanning);
+ handler = new CaptureActivityHandler(this, decodeFormats, beginScanning);
}
}
package com.google.zxing.client.android;
+import com.google.zxing.BarcodeFormat;
import com.google.zxing.Result;
import android.app.Activity;
import android.os.Handler;
import android.os.Message;
+import java.util.Vector;
+
/**
* This class handles all the messaging which comprises the state machine for capture.
*
}
CaptureActivityHandler(CaptureActivity activity,
- String decodeMode,
+ Vector<BarcodeFormat> decodeFormats,
boolean beginScanning) {
this.activity = activity;
- decodeThread = new DecodeThread(activity, decodeMode,
+ decodeThread = new DecodeThread(activity, decodeFormats,
new ViewfinderResultPointCallback(activity.getViewfinderView()));
decodeThread.start();
state = State.SUCCESS;
private final MultiFormatReader multiFormatReader;
private final ResultPointCallback resultPointCallback;
- DecodeThread(CaptureActivity activity, String mode, ResultPointCallback resultPointCallback) {
+ DecodeThread(CaptureActivity activity,
+ Vector<BarcodeFormat> decodeFormats,
+ ResultPointCallback resultPointCallback) {
this.activity = activity;
multiFormatReader = new MultiFormatReader();
this.resultPointCallback = resultPointCallback;
// The prefs can't change while the thread is running, so pick them up once here.
- if (mode == null || mode.length() == 0) {
+ if (decodeFormats == null || decodeFormats.isEmpty()) {
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(activity);
boolean decode1D = prefs.getBoolean(PreferencesActivity.KEY_DECODE_1D, true);
boolean decodeQR = prefs.getBoolean(PreferencesActivity.KEY_DECODE_QR, true);
if (decode1D && decodeQR) {
- setDecodeAllMode();
+ doSetDecodeMode(CaptureActivity.ALL_FORMATS);
} else if (decode1D) {
- setDecode1DMode();
+ doSetDecodeMode(CaptureActivity.ONE_D_FORMATS);
} else if (decodeQR) {
- setDecodeQRMode();
+ doSetDecodeMode(CaptureActivity.QR_CODE_FORMATS);
}
} else {
- if (mode.equals(Intents.Scan.PRODUCT_MODE)) {
- setDecodeProductMode();
- } else if (mode.equals(Intents.Scan.ONE_D_MODE)) {
- setDecode1DMode();
- } else if (mode.equals(Intents.Scan.QR_CODE_MODE)) {
- setDecodeQRMode();
- } else {
- setDecodeAllMode();
- }
+ doSetDecodeMode(decodeFormats);
}
}
Looper.loop();
}
- private void setDecodeProductMode() {
- doSetDecodeMode(BarcodeFormat.UPC_A,
- BarcodeFormat.UPC_E,
- BarcodeFormat.EAN_13,
- BarcodeFormat.EAN_8,
- BarcodeFormat.RSS14);
- }
-
- /**
- * Select the 1D formats we want this client to decode by hand.
- */
- private void setDecode1DMode() {
- doSetDecodeMode(BarcodeFormat.UPC_A,
- BarcodeFormat.UPC_E,
- BarcodeFormat.EAN_13,
- BarcodeFormat.EAN_8,
- BarcodeFormat.CODE_39,
- BarcodeFormat.CODE_128,
- BarcodeFormat.ITF,
- BarcodeFormat.RSS14);
- }
-
- private void setDecodeQRMode() {
- doSetDecodeMode(BarcodeFormat.QR_CODE);
- }
-
- /**
- * Instead of calling setHints(null), which would allow new formats to sneak in, we
- * explicitly set which formats are available.
- */
- private void setDecodeAllMode() {
- doSetDecodeMode(BarcodeFormat.UPC_A,
- BarcodeFormat.UPC_E,
- BarcodeFormat.EAN_13,
- BarcodeFormat.EAN_8,
- BarcodeFormat.CODE_39,
- BarcodeFormat.CODE_128,
- BarcodeFormat.ITF,
- BarcodeFormat.RSS14,
- BarcodeFormat.QR_CODE);
- }
-
- private void doSetDecodeMode(BarcodeFormat... formats) {
+ private void doSetDecodeMode(Vector<BarcodeFormat> vector) {
Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>(3);
- Vector<BarcodeFormat> vector = new Vector<BarcodeFormat>(formats.length);
- for (BarcodeFormat format : formats) {
- vector.addElement(format);
+ if (vector != null) {
+ hints.put(DecodeHintType.POSSIBLE_FORMATS, vector);
}
- hints.put(DecodeHintType.POSSIBLE_FORMATS, vector);
hints.put(DecodeHintType.NEED_RESULT_POINT_CALLBACK, resultPointCallback);
multiFormatReader.setHints(hints);
}
/**
* By default, sending Scan.ACTION will decode all barcodes that we understand. However it
* may be useful to limit scanning to certain formats. Use Intent.putExtra(MODE, value) with
- * one of the values below (optional).
+ * one of the values below ({@link #PRODUCT_MODE}, {@link #ONE_D_MODE}, {@link #QR_CODE_MODE}).
+ * Optional.
+ *
+ * Setting this is effectively shorthnad for setting explicit formats with {@link #SCAN_FORMATS}.
+ * It is overridden by that setting.
*/
public static final String MODE = "SCAN_MODE";
+ /**
+ * Comma-separated list of formats to scan for. The values must match the names of
+ * {@link com.google.zxing.BarcodeFormat}s, such as {@link com.google.zxing.BarcodeFormat#EAN_13}.
+ * Example: "EAN_13,EAN_8,QR_CODE"
+ *
+ * This overrides {@link #MODE}.
+ */
+ public static final String SCAN_FORMATS = "SCAN_FORMATS";
+
/**
* Decode only UPC and EAN barcodes. This is the right choice for shopping apps which get
* prices, reviews, etc. for products.