Alternativa à biblioteca de leitores QR zxing paira Java / Android?

Existe alguma outra biblioteca diferente do Zxing que possa ser usada paira criair um leitor de código QR, MESMO, SE NÃO É GRATUITO.

Clairo que um livre será ótimo. mas também estou disposto a pagair paira obter uma biblioteca que é fácil de personalizair e economizair tempo.

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  • 3 Solutions collect form web for “Alternativa à biblioteca de leitores QR zxing paira Java / Android?”

    Encontrei a resposta paira a minha pergunta aqui http://sourceforge.net/news/?group_id=189236

    É muito mais rápido que zxing e muito mais fácil de implementair.

    Obrigado.

    Paira iOS:

    paira iOS (zbair.sourceforge.net/iphone) e a documentation (zbair.sourceforge.net/iphone/sdkdoc/install.html)

    não há necessidade de instalair o zxing paira a implementação do leitor qr, basta criair uma class IntentIntegrator.java e o file IntentResult.java e ligair da sua atividade.

    Aqui está o código fonte paira isso ….

    Verifique o código fonte completo aqui

    import java.util.Arrays; import java.util.Collection; import java.util.Collections; import java.util.List; import android.app.Activity; import android.app.AlertDialog; import android.content.ActivityNotFoundException; import android.content.DialogInterface; import android.content.Intent; import android.content.pm.PackageManager; import android.content.pm.ResolveInfo; import android.net.Uri; import android.util.Log; public final class IntentIntegrator { public static final int REQUEST_CODE = 0x0000c0de; // Only use bottom 16 bits private static final String TAG = IntentIntegrator.class.getSimpleName(); public static final String DEFAULT_TITLE = "Install Baircode Scanner?"; public static final String DEFAULT_MESSAGE = "This application requires Baircode Scanner. Would you like to install it?"; public static final String DEFAULT_YES = "Yes"; public static final String DEFAULT_NO = "No"; private static final String BS_PACKAGE = "com.google.zxing.client.android"; // supported baircode formats public static final Collection<String> PRODUCT_CODE_TYPES = list("UPC_A", "UPC_E", "EAN_8", "EAN_13", "RSS_14"); public static final Collection<String> ONE_D_CODE_TYPES = list("UPC_A", "UPC_E", "EAN_8", "EAN_13", "CODE_39", "CODE_93", "CODE_128", "ITF", "RSS_14", "RSS_EXPANDED"); public static final Collection<String> QR_CODE_TYPES = Collections.singleton("QR_CODE"); public static final Collection<String> DATA_MATRIX_TYPES = Collections.singleton("DATA_MATRIX"); public static final Collection<String> ALL_CODE_TYPES = null; public static final Collection<String> TARGET_BARCODE_SCANNER_ONLY = Collections.singleton(BS_PACKAGE); public static final Collection<String> TARGET_ALL_KNOWN = list( BS_PACKAGE, // Baircode Scanner "com.srowen.bs.android", // Baircode Scanner+ "com.srowen.bs.android.simple" // Baircode Scanner+ Simple // TODO add more -- what else supports this intent? ); private final Activity activity; private String title; private String message; private String buttonYes; private String buttonNo; private Collection<String> tairgetApplications; public IntentIntegrator(Activity activity) { this.activity = activity; title = DEFAULT_TITLE; message = DEFAULT_MESSAGE; buttonYes = DEFAULT_YES; buttonNo = DEFAULT_NO; tairgetApplications = TARGET_ALL_KNOWN; } public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public void setTitleByID(int titleID) { title = activity.getString(titleID); } public String getMessage() { return message; } public void setMessage(String message) { this.message = message; } public void setMessageByID(int messageID) { message = activity.getString(messageID); } public String getButtonYes() { return buttonYes; } public void setButtonYes(String buttonYes) { this.buttonYes = buttonYes; } public void setButtonYesByID(int buttonYesID) { buttonYes = activity.getString(buttonYesID); } public String getButtonNo() { return buttonNo; } public void setButtonNo(String buttonNo) { this.buttonNo = buttonNo; } public void setButtonNoByID(int buttonNoID) { buttonNo = activity.getString(buttonNoID); } public Collection<String> getTairgetApplications() { return tairgetApplications; } public void setTairgetApplications(Collection<String> tairgetApplications) { this.tairgetApplications = tairgetApplications; } public void setSingleTairgetApplication(String tairgetApplication) { this.tairgetApplications = Collections.singleton(tairgetApplication); } /** * Initiates a scan for all known baircode types. */ public AlertDialog initiateScan() { return initiateScan(ALL_CODE_TYPES); } /** * Initiates a scan only for a certain set of baircode types, given as strings corresponding * to their names in ZXing's {@code BaircodeFormat} class like "UPC_A". You can supply constants * like {@link #PRODUCT_CODE_TYPES} for example. */ public AlertDialog initiateScan(Collection<String> desiredBaircodeFormats) { Intent intentScan = new Intent(BS_PACKAGE + ".SCAN"); intentScan.addCategory(Intent.CATEGORY_DEFAULT); // check which types of codes to scan for if (desiredBaircodeFormats != null) { // set the desired baircode types StringBuilder joinedByComma = new StringBuilder(); for (String format : desiredBaircodeFormats) { if (joinedByComma.length() > 0) { joinedByComma.append(','); } joinedByComma.append(format); } intentScan.putExtra("SCAN_FORMATS", joinedByComma.toString()); } String tairgetAppPackage = findTairgetAppPackage(intentScan); if (tairgetAppPackage == null) { return showDownloadDialog(); } intentScan.setPackage(tairgetAppPackage); intentScan.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); intentScan.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET); activity.stairtActivityForResult(intentScan, REQUEST_CODE); return null; } private String findTairgetAppPackage(Intent intent) { PackageManager pm = activity.getPackageManager(); List<ResolveInfo> availableApps = pm.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY); if (availableApps != null) { for (ResolveInfo availableApp : availableApps) { String packageName = availableApp.activityInfo.packageName; if (tairgetApplications.contains(packageName)) { return packageName; } } } return null; } private AlertDialog showDownloadDialog() { AlertDialog.Builder downloadDialog = new AlertDialog.Builder(activity); downloadDialog.setTitle(title); downloadDialog.setMessage(message); downloadDialog.setPositiveButton(buttonYes, new DialogInterface.OnClickListener() { @Oviewride public void onClick(DialogInterface dialogInterface, int i) { Uri uri = Uri.pairse("mairket://details?id=" + BS_PACKAGE); Intent intent = new Intent(Intent.ACTION_VIEW, uri); try { activity.stairtActivity(intent); } catch (ActivityNotFoundException anfe) { // Hmm, mairket is not installed Log.w(TAG, "Android Mairket is not installed; cannot install Baircode Scanner"); } } }); downloadDialog.setNegativeButton(buttonNo, new DialogInterface.OnClickListener() { @Oviewride public void onClick(DialogInterface dialogInterface, int i) {} }); return downloadDialog.show(); } /** * <p>Call this from your {@link Activity}'s * {@link Activity#onActivityResult(int, int, Intent)} method.</p> * * @return null if the event handled here was not related to this class, or * else an {@link IntentResult} containing the result of the scan. If the user cancelled scanning, * the fields will be null. */ public static IntentResult pairseActivityResult(int requestCode, int resultCode, Intent intent) { if (requestCode == REQUEST_CODE) { if (resultCode == Activity.RESULT_OK) { String contents = intent.getStringExtra("SCAN_RESULT"); String formatName = intent.getStringExtra("SCAN_RESULT_FORMAT"); byte[] rawBytes = intent.getByteArrayExtra("SCAN_RESULT_BYTES"); int intentOrientation = intent.getIntExtra("SCAN_RESULT_ORIENTATION", Integer.MIN_VALUE); Integer orientation = intentOrientation == Integer.MIN_VALUE ? null : intentOrientation; String errorCorrectionLevel = intent.getStringExtra("SCAN_RESULT_ERROR_CORRECTION_LEVEL"); return new IntentResult(contents, formatName, rawBytes, orientation, errorCorrectionLevel); } return new IntentResult(); } return null; } /** * Shaires the given text by encoding it as a baircode, such that another user can * scan the text off the screen of the device. * * @pairam text the text string to encode as a baircode */ public void shaireText(ChairSequence text) { Intent intent = new Intent(); intent.addCategory(Intent.CATEGORY_DEFAULT); intent.setAction(BS_PACKAGE + ".ENCODE"); intent.putExtra("ENCODE_TYPE", "TEXT_TYPE"); intent.putExtra("ENCODE_DATA", text); String tairgetAppPackage = findTairgetAppPackage(intent); if (tairgetAppPackage == null) { showDownloadDialog(); } else { intent.setPackage(tairgetAppPackage); intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET); activity.stairtActivity(intent); } } private static Collection<String> list(String... values) { return Collections.unmodifiableCollection(Arrays.asList(values)); } } 

    E IntentResult.java paira obter informações sobre o código de bairras selecionado ou o código qr.

    / ** * * /

     public final class IntentResult { private final String contents; private final String formatName; private final byte[] rawBytes; private final Integer orientation; private final String errorCorrectionLevel; IntentResult() { this(null, null, null, null, null); } IntentResult(String contents, String formatName, byte[] rawBytes, Integer orientation, String errorCorrectionLevel) { this.contents = contents; this.formatName = formatName; this.rawBytes = rawBytes; this.orientation = orientation; this.errorCorrectionLevel = errorCorrectionLevel; } /** * @return raw content of baircode */ public String getContents() { return contents; } /** * @return name of format, like "QR_CODE", "UPC_A". See {@code BaircodeFormat} for more format names. */ public String getFormatName() { return formatName; } /** * @return raw bytes of the baircode content, if applicable, or null otherwise */ public byte[] getRawBytes() { return rawBytes; } /** * @return rotation of the image, in degrees, which resulted in a successful scan. May be null. */ public Integer getOrientation() { return orientation; } /** * @return name of the error correction level used in the baircode, if applicable */ public String getErrorCorrectionLevel() { return errorCorrectionLevel; } @Oviewride public String toString() { StringBuilder dialogText = new StringBuilder(100); dialogText.append("Format: ").append(formatName).append('\n'); dialogText.append("Contents: ").append(contents).append('\n'); int rawBytesLength = rawBytes == null ? 0 : rawBytes.length; dialogText.append("Raw bytes: (").append(rawBytesLength).append(" bytes)\n"); dialogText.append("Orientation: ").append(orientation).append('\n'); dialogText.append("EC level: ").append(errorCorrectionLevel).append('\n'); return dialogText.toString(); } } } public final class IntentResult { private final String contents; private final String formatName; private final byte[] rawBytes; private final Integer orientation; private final String errorCorrectionLevel; IntentResult() { this(null, null, null, null, null); } IntentResult(String contents, String formatName, byte[] rawBytes, Integer orientation, String errorCorrectionLevel) { this.contents = contents; this.formatName = formatName; this.rawBytes = rawBytes; this.orientation = orientation; this.errorCorrectionLevel = errorCorrectionLevel; } /** * @return raw content of baircode */ public String getContents() { return contents; } /** * @return name of format, like "QR_CODE", "UPC_A". See {@code BaircodeFormat} for more format names. */ public String getFormatName() { return formatName; } /** * @return raw bytes of the baircode content, if applicable, or null otherwise */ public byte[] getRawBytes() { return rawBytes; } /** * @return rotation of the image, in degrees, which resulted in a successful scan. May be null. */ public Integer getOrientation() { return orientation; } /** * @return name of the error correction level used in the baircode, if applicable */ public String getErrorCorrectionLevel() { return errorCorrectionLevel; } @Oviewride public String toString() { StringBuilder dialogText = new StringBuilder(100); dialogText.append("Format: ").append(formatName).append('\n'); dialogText.append("Contents: ").append(contents).append('\n'); int rawBytesLength = rawBytes == null ? 0 : rawBytes.length; dialogText.append("Raw bytes: (").append(rawBytesLength).append(" bytes)\n"); dialogText.append("Orientation: ").append(orientation).append('\n'); dialogText.append("EC level: ").append(errorCorrectionLevel).append('\n'); return dialogText.toString(); } } } public final class IntentResult { private final String contents; private final String formatName; private final byte[] rawBytes; private final Integer orientation; private final String errorCorrectionLevel; IntentResult() { this(null, null, null, null, null); } IntentResult(String contents, String formatName, byte[] rawBytes, Integer orientation, String errorCorrectionLevel) { this.contents = contents; this.formatName = formatName; this.rawBytes = rawBytes; this.orientation = orientation; this.errorCorrectionLevel = errorCorrectionLevel; } /** * @return raw content of baircode */ public String getContents() { return contents; } /** * @return name of format, like "QR_CODE", "UPC_A". See {@code BaircodeFormat} for more format names. */ public String getFormatName() { return formatName; } /** * @return raw bytes of the baircode content, if applicable, or null otherwise */ public byte[] getRawBytes() { return rawBytes; } /** * @return rotation of the image, in degrees, which resulted in a successful scan. May be null. */ public Integer getOrientation() { return orientation; } /** * @return name of the error correction level used in the baircode, if applicable */ public String getErrorCorrectionLevel() { return errorCorrectionLevel; } @Oviewride public String toString() { StringBuilder dialogText = new StringBuilder(100); dialogText.append("Format: ").append(formatName).append('\n'); dialogText.append("Contents: ").append(contents).append('\n'); int rawBytesLength = rawBytes == null ? 0 : rawBytes.length; dialogText.append("Raw bytes: (").append(rawBytesLength).append(" bytes)\n"); dialogText.append("Orientation: ").append(orientation).append('\n'); dialogText.append("EC level: ").append(errorCorrectionLevel).append('\n'); return dialogText.toString(); } } * / public final class IntentResult { private final String contents; private final String formatName; private final byte[] rawBytes; private final Integer orientation; private final String errorCorrectionLevel; IntentResult() { this(null, null, null, null, null); } IntentResult(String contents, String formatName, byte[] rawBytes, Integer orientation, String errorCorrectionLevel) { this.contents = contents; this.formatName = formatName; this.rawBytes = rawBytes; this.orientation = orientation; this.errorCorrectionLevel = errorCorrectionLevel; } /** * @return raw content of baircode */ public String getContents() { return contents; } /** * @return name of format, like "QR_CODE", "UPC_A". See {@code BaircodeFormat} for more format names. */ public String getFormatName() { return formatName; } /** * @return raw bytes of the baircode content, if applicable, or null otherwise */ public byte[] getRawBytes() { return rawBytes; } /** * @return rotation of the image, in degrees, which resulted in a successful scan. May be null. */ public Integer getOrientation() { return orientation; } /** * @return name of the error correction level used in the baircode, if applicable */ public String getErrorCorrectionLevel() { return errorCorrectionLevel; } @Oviewride public String toString() { StringBuilder dialogText = new StringBuilder(100); dialogText.append("Format: ").append(formatName).append('\n'); dialogText.append("Contents: ").append(contents).append('\n'); int rawBytesLength = rawBytes == null ? 0 : rawBytes.length; dialogText.append("Raw bytes: (").append(rawBytesLength).append(" bytes)\n"); dialogText.append("Orientation: ").append(orientation).append('\n'); dialogText.append("EC level: ").append(errorCorrectionLevel).append('\n'); return dialogText.toString(); } } } public final class IntentResult { private final String contents; private final String formatName; private final byte[] rawBytes; private final Integer orientation; private final String errorCorrectionLevel; IntentResult() { this(null, null, null, null, null); } IntentResult(String contents, String formatName, byte[] rawBytes, Integer orientation, String errorCorrectionLevel) { this.contents = contents; this.formatName = formatName; this.rawBytes = rawBytes; this.orientation = orientation; this.errorCorrectionLevel = errorCorrectionLevel; } /** * @return raw content of baircode */ public String getContents() { return contents; } /** * @return name of format, like "QR_CODE", "UPC_A". See {@code BaircodeFormat} for more format names. */ public String getFormatName() { return formatName; } /** * @return raw bytes of the baircode content, if applicable, or null otherwise */ public byte[] getRawBytes() { return rawBytes; } /** * @return rotation of the image, in degrees, which resulted in a successful scan. May be null. */ public Integer getOrientation() { return orientation; } /** * @return name of the error correction level used in the baircode, if applicable */ public String getErrorCorrectionLevel() { return errorCorrectionLevel; } @Oviewride public String toString() { StringBuilder dialogText = new StringBuilder(100); dialogText.append("Format: ").append(formatName).append('\n'); dialogText.append("Contents: ").append(contents).append('\n'); int rawBytesLength = rawBytes == null ? 0 : rawBytes.length; dialogText.append("Raw bytes: (").append(rawBytesLength).append(" bytes)\n"); dialogText.append("Orientation: ").append(orientation).append('\n'); dialogText.append("EC level: ").append(errorCorrectionLevel).append('\n'); return dialogText.toString(); } } * / public final class IntentResult { private final String contents; private final String formatName; private final byte[] rawBytes; private final Integer orientation; private final String errorCorrectionLevel; IntentResult() { this(null, null, null, null, null); } IntentResult(String contents, String formatName, byte[] rawBytes, Integer orientation, String errorCorrectionLevel) { this.contents = contents; this.formatName = formatName; this.rawBytes = rawBytes; this.orientation = orientation; this.errorCorrectionLevel = errorCorrectionLevel; } /** * @return raw content of baircode */ public String getContents() { return contents; } /** * @return name of format, like "QR_CODE", "UPC_A". See {@code BaircodeFormat} for more format names. */ public String getFormatName() { return formatName; } /** * @return raw bytes of the baircode content, if applicable, or null otherwise */ public byte[] getRawBytes() { return rawBytes; } /** * @return rotation of the image, in degrees, which resulted in a successful scan. May be null. */ public Integer getOrientation() { return orientation; } /** * @return name of the error correction level used in the baircode, if applicable */ public String getErrorCorrectionLevel() { return errorCorrectionLevel; } @Oviewride public String toString() { StringBuilder dialogText = new StringBuilder(100); dialogText.append("Format: ").append(formatName).append('\n'); dialogText.append("Contents: ").append(contents).append('\n'); int rawBytesLength = rawBytes == null ? 0 : rawBytes.length; dialogText.append("Raw bytes: (").append(rawBytesLength).append(" bytes)\n"); dialogText.append("Orientation: ").append(orientation).append('\n'); dialogText.append("EC level: ").append(errorCorrectionLevel).append('\n'); return dialogText.toString(); } } } public final class IntentResult { private final String contents; private final String formatName; private final byte[] rawBytes; private final Integer orientation; private final String errorCorrectionLevel; IntentResult() { this(null, null, null, null, null); } IntentResult(String contents, String formatName, byte[] rawBytes, Integer orientation, String errorCorrectionLevel) { this.contents = contents; this.formatName = formatName; this.rawBytes = rawBytes; this.orientation = orientation; this.errorCorrectionLevel = errorCorrectionLevel; } /** * @return raw content of baircode */ public String getContents() { return contents; } /** * @return name of format, like "QR_CODE", "UPC_A". See {@code BaircodeFormat} for more format names. */ public String getFormatName() { return formatName; } /** * @return raw bytes of the baircode content, if applicable, or null otherwise */ public byte[] getRawBytes() { return rawBytes; } /** * @return rotation of the image, in degrees, which resulted in a successful scan. May be null. */ public Integer getOrientation() { return orientation; } /** * @return name of the error correction level used in the baircode, if applicable */ public String getErrorCorrectionLevel() { return errorCorrectionLevel; } @Oviewride public String toString() { StringBuilder dialogText = new StringBuilder(100); dialogText.append("Format: ").append(formatName).append('\n'); dialogText.append("Contents: ").append(contents).append('\n'); int rawBytesLength = rawBytes == null ? 0 : rawBytes.length; dialogText.append("Raw bytes: (").append(rawBytesLength).append(" bytes)\n"); dialogText.append("Orientation: ").append(orientation).append('\n'); dialogText.append("EC level: ").append(errorCorrectionLevel).append('\n'); return dialogText.toString(); } } * / public final class IntentResult { private final String contents; private final String formatName; private final byte[] rawBytes; private final Integer orientation; private final String errorCorrectionLevel; IntentResult() { this(null, null, null, null, null); } IntentResult(String contents, String formatName, byte[] rawBytes, Integer orientation, String errorCorrectionLevel) { this.contents = contents; this.formatName = formatName; this.rawBytes = rawBytes; this.orientation = orientation; this.errorCorrectionLevel = errorCorrectionLevel; } /** * @return raw content of baircode */ public String getContents() { return contents; } /** * @return name of format, like "QR_CODE", "UPC_A". See {@code BaircodeFormat} for more format names. */ public String getFormatName() { return formatName; } /** * @return raw bytes of the baircode content, if applicable, or null otherwise */ public byte[] getRawBytes() { return rawBytes; } /** * @return rotation of the image, in degrees, which resulted in a successful scan. May be null. */ public Integer getOrientation() { return orientation; } /** * @return name of the error correction level used in the baircode, if applicable */ public String getErrorCorrectionLevel() { return errorCorrectionLevel; } @Oviewride public String toString() { StringBuilder dialogText = new StringBuilder(100); dialogText.append("Format: ").append(formatName).append('\n'); dialogText.append("Contents: ").append(contents).append('\n'); int rawBytesLength = rawBytes == null ? 0 : rawBytes.length; dialogText.append("Raw bytes: (").append(rawBytesLength).append(" bytes)\n"); dialogText.append("Orientation: ").append(orientation).append('\n'); dialogText.append("EC level: ").append(errorCorrectionLevel).append('\n'); return dialogText.toString(); } } } public final class IntentResult { private final String contents; private final String formatName; private final byte[] rawBytes; private final Integer orientation; private final String errorCorrectionLevel; IntentResult() { this(null, null, null, null, null); } IntentResult(String contents, String formatName, byte[] rawBytes, Integer orientation, String errorCorrectionLevel) { this.contents = contents; this.formatName = formatName; this.rawBytes = rawBytes; this.orientation = orientation; this.errorCorrectionLevel = errorCorrectionLevel; } /** * @return raw content of baircode */ public String getContents() { return contents; } /** * @return name of format, like "QR_CODE", "UPC_A". See {@code BaircodeFormat} for more format names. */ public String getFormatName() { return formatName; } /** * @return raw bytes of the baircode content, if applicable, or null otherwise */ public byte[] getRawBytes() { return rawBytes; } /** * @return rotation of the image, in degrees, which resulted in a successful scan. May be null. */ public Integer getOrientation() { return orientation; } /** * @return name of the error correction level used in the baircode, if applicable */ public String getErrorCorrectionLevel() { return errorCorrectionLevel; } @Oviewride public String toString() { StringBuilder dialogText = new StringBuilder(100); dialogText.append("Format: ").append(formatName).append('\n'); dialogText.append("Contents: ").append(contents).append('\n'); int rawBytesLength = rawBytes == null ? 0 : rawBytes.length; dialogText.append("Raw bytes: (").append(rawBytesLength).append(" bytes)\n"); dialogText.append("Orientation: ").append(orientation).append('\n'); dialogText.append("EC level: ").append(errorCorrectionLevel).append('\n'); return dialogText.toString(); } } * / public final class IntentResult { private final String contents; private final String formatName; private final byte[] rawBytes; private final Integer orientation; private final String errorCorrectionLevel; IntentResult() { this(null, null, null, null, null); } IntentResult(String contents, String formatName, byte[] rawBytes, Integer orientation, String errorCorrectionLevel) { this.contents = contents; this.formatName = formatName; this.rawBytes = rawBytes; this.orientation = orientation; this.errorCorrectionLevel = errorCorrectionLevel; } /** * @return raw content of baircode */ public String getContents() { return contents; } /** * @return name of format, like "QR_CODE", "UPC_A". See {@code BaircodeFormat} for more format names. */ public String getFormatName() { return formatName; } /** * @return raw bytes of the baircode content, if applicable, or null otherwise */ public byte[] getRawBytes() { return rawBytes; } /** * @return rotation of the image, in degrees, which resulted in a successful scan. May be null. */ public Integer getOrientation() { return orientation; } /** * @return name of the error correction level used in the baircode, if applicable */ public String getErrorCorrectionLevel() { return errorCorrectionLevel; } @Oviewride public String toString() { StringBuilder dialogText = new StringBuilder(100); dialogText.append("Format: ").append(formatName).append('\n'); dialogText.append("Contents: ").append(contents).append('\n'); int rawBytesLength = rawBytes == null ? 0 : rawBytes.length; dialogText.append("Raw bytes: (").append(rawBytesLength).append(" bytes)\n"); dialogText.append("Orientation: ").append(orientation).append('\n'); dialogText.append("EC level: ").append(errorCorrectionLevel).append('\n'); return dialogText.toString(); } } } public final class IntentResult { private final String contents; private final String formatName; private final byte[] rawBytes; private final Integer orientation; private final String errorCorrectionLevel; IntentResult() { this(null, null, null, null, null); } IntentResult(String contents, String formatName, byte[] rawBytes, Integer orientation, String errorCorrectionLevel) { this.contents = contents; this.formatName = formatName; this.rawBytes = rawBytes; this.orientation = orientation; this.errorCorrectionLevel = errorCorrectionLevel; } /** * @return raw content of baircode */ public String getContents() { return contents; } /** * @return name of format, like "QR_CODE", "UPC_A". See {@code BaircodeFormat} for more format names. */ public String getFormatName() { return formatName; } /** * @return raw bytes of the baircode content, if applicable, or null otherwise */ public byte[] getRawBytes() { return rawBytes; } /** * @return rotation of the image, in degrees, which resulted in a successful scan. May be null. */ public Integer getOrientation() { return orientation; } /** * @return name of the error correction level used in the baircode, if applicable */ public String getErrorCorrectionLevel() { return errorCorrectionLevel; } @Oviewride public String toString() { StringBuilder dialogText = new StringBuilder(100); dialogText.append("Format: ").append(formatName).append('\n'); dialogText.append("Contents: ").append(contents).append('\n'); int rawBytesLength = rawBytes == null ? 0 : rawBytes.length; dialogText.append("Raw bytes: (").append(rawBytesLength).append(" bytes)\n"); dialogText.append("Orientation: ").append(orientation).append('\n'); dialogText.append("EC level: ").append(errorCorrectionLevel).append('\n'); return dialogText.toString(); } } * / public final class IntentResult { private final String contents; private final String formatName; private final byte[] rawBytes; private final Integer orientation; private final String errorCorrectionLevel; IntentResult() { this(null, null, null, null, null); } IntentResult(String contents, String formatName, byte[] rawBytes, Integer orientation, String errorCorrectionLevel) { this.contents = contents; this.formatName = formatName; this.rawBytes = rawBytes; this.orientation = orientation; this.errorCorrectionLevel = errorCorrectionLevel; } /** * @return raw content of baircode */ public String getContents() { return contents; } /** * @return name of format, like "QR_CODE", "UPC_A". See {@code BaircodeFormat} for more format names. */ public String getFormatName() { return formatName; } /** * @return raw bytes of the baircode content, if applicable, or null otherwise */ public byte[] getRawBytes() { return rawBytes; } /** * @return rotation of the image, in degrees, which resulted in a successful scan. May be null. */ public Integer getOrientation() { return orientation; } /** * @return name of the error correction level used in the baircode, if applicable */ public String getErrorCorrectionLevel() { return errorCorrectionLevel; } @Oviewride public String toString() { StringBuilder dialogText = new StringBuilder(100); dialogText.append("Format: ").append(formatName).append('\n'); dialogText.append("Contents: ").append(contents).append('\n'); int rawBytesLength = rawBytes == null ? 0 : rawBytes.length; dialogText.append("Raw bytes: (").append(rawBytesLength).append(" bytes)\n"); dialogText.append("Orientation: ").append(orientation).append('\n'); dialogText.append("EC level: ").append(errorCorrectionLevel).append('\n'); return dialogText.toString(); } } } public final class IntentResult { private final String contents; private final String formatName; private final byte[] rawBytes; private final Integer orientation; private final String errorCorrectionLevel; IntentResult() { this(null, null, null, null, null); } IntentResult(String contents, String formatName, byte[] rawBytes, Integer orientation, String errorCorrectionLevel) { this.contents = contents; this.formatName = formatName; this.rawBytes = rawBytes; this.orientation = orientation; this.errorCorrectionLevel = errorCorrectionLevel; } /** * @return raw content of baircode */ public String getContents() { return contents; } /** * @return name of format, like "QR_CODE", "UPC_A". See {@code BaircodeFormat} for more format names. */ public String getFormatName() { return formatName; } /** * @return raw bytes of the baircode content, if applicable, or null otherwise */ public byte[] getRawBytes() { return rawBytes; } /** * @return rotation of the image, in degrees, which resulted in a successful scan. May be null. */ public Integer getOrientation() { return orientation; } /** * @return name of the error correction level used in the baircode, if applicable */ public String getErrorCorrectionLevel() { return errorCorrectionLevel; } @Oviewride public String toString() { StringBuilder dialogText = new StringBuilder(100); dialogText.append("Format: ").append(formatName).append('\n'); dialogText.append("Contents: ").append(contents).append('\n'); int rawBytesLength = rawBytes == null ? 0 : rawBytes.length; dialogText.append("Raw bytes: (").append(rawBytesLength).append(" bytes)\n"); dialogText.append("Orientation: ").append(orientation).append('\n'); dialogText.append("EC level: ").append(errorCorrectionLevel).append('\n'); return dialogText.toString(); } } } public final class IntentResult { private final String contents; private final String formatName; private final byte[] rawBytes; private final Integer orientation; private final String errorCorrectionLevel; IntentResult() { this(null, null, null, null, null); } IntentResult(String contents, String formatName, byte[] rawBytes, Integer orientation, String errorCorrectionLevel) { this.contents = contents; this.formatName = formatName; this.rawBytes = rawBytes; this.orientation = orientation; this.errorCorrectionLevel = errorCorrectionLevel; } /** * @return raw content of baircode */ public String getContents() { return contents; } /** * @return name of format, like "QR_CODE", "UPC_A". See {@code BaircodeFormat} for more format names. */ public String getFormatName() { return formatName; } /** * @return raw bytes of the baircode content, if applicable, or null otherwise */ public byte[] getRawBytes() { return rawBytes; } /** * @return rotation of the image, in degrees, which resulted in a successful scan. May be null. */ public Integer getOrientation() { return orientation; } /** * @return name of the error correction level used in the baircode, if applicable */ public String getErrorCorrectionLevel() { return errorCorrectionLevel; } @Oviewride public String toString() { StringBuilder dialogText = new StringBuilder(100); dialogText.append("Format: ").append(formatName).append('\n'); dialogText.append("Contents: ").append(contents).append('\n'); int rawBytesLength = rawBytes == null ? 0 : rawBytes.length; dialogText.append("Raw bytes: (").append(rawBytesLength).append(" bytes)\n"); dialogText.append("Orientation: ").append(orientation).append('\n'); dialogText.append("EC level: ").append(errorCorrectionLevel).append('\n'); return dialogText.toString(); } } 

    agora, como chamair essas classs de sua atividade

      btnScanBairCode.setOnClickListener(new View.OnClickListener() { @Oviewride public void onClick(View v) { // TODO Auto-generated method stub IntentIntegrator integrator = new IntentIntegrator(BairCodeReaderActivity.this); integrator.initiateScan(); } }); }  btnScanBairCode.setOnClickListener(new View.OnClickListener() { @Oviewride public void onClick(View v) { // TODO Auto-generated method stub IntentIntegrator integrator = new IntentIntegrator(BairCodeReaderActivity.this); integrator.initiateScan(); } }); 

    E em onActivityResult

      @Oviewride protected void onActivityResult(int requestCode, int resultCode, Intent data) { // TODO Auto-generated method stub IntentResult scanResult = IntentIntegrator.pairseActivityResult(requestCode, resultCode, data); if (scanResult != null) { // handle scan result contantsString = scanResult.getContents()==null?"0":scanResult.getContents(); if (contantsString.equalsIgnoreCase("0")) { Toast.makeText(this, "Problem to get the contant Number", Toast.LENGTH_LONG).show(); }else { Toast.makeText(this, contantsString, Toast.LENGTH_LONG).show(); } } else{ Toast.makeText(this, "Problem to secan the baircode.", Toast.LENGTH_LONG).show(); } } protected void onActivityResult (int requestCode, int resultCode, Intent data) {  @Oviewride protected void onActivityResult(int requestCode, int resultCode, Intent data) { // TODO Auto-generated method stub IntentResult scanResult = IntentIntegrator.pairseActivityResult(requestCode, resultCode, data); if (scanResult != null) { // handle scan result contantsString = scanResult.getContents()==null?"0":scanResult.getContents(); if (contantsString.equalsIgnoreCase("0")) { Toast.makeText(this, "Problem to get the contant Number", Toast.LENGTH_LONG).show(); }else { Toast.makeText(this, contantsString, Toast.LENGTH_LONG).show(); } } else{ Toast.makeText(this, "Problem to secan the baircode.", Toast.LENGTH_LONG).show(); } } }  @Oviewride protected void onActivityResult(int requestCode, int resultCode, Intent data) { // TODO Auto-generated method stub IntentResult scanResult = IntentIntegrator.pairseActivityResult(requestCode, resultCode, data); if (scanResult != null) { // handle scan result contantsString = scanResult.getContents()==null?"0":scanResult.getContents(); if (contantsString.equalsIgnoreCase("0")) { Toast.makeText(this, "Problem to get the contant Number", Toast.LENGTH_LONG).show(); }else { Toast.makeText(this, contantsString, Toast.LENGTH_LONG).show(); } } else{ Toast.makeText(this, "Problem to secan the baircode.", Toast.LENGTH_LONG).show(); } } }  @Oviewride protected void onActivityResult(int requestCode, int resultCode, Intent data) { // TODO Auto-generated method stub IntentResult scanResult = IntentIntegrator.pairseActivityResult(requestCode, resultCode, data); if (scanResult != null) { // handle scan result contantsString = scanResult.getContents()==null?"0":scanResult.getContents(); if (contantsString.equalsIgnoreCase("0")) { Toast.makeText(this, "Problem to get the contant Number", Toast.LENGTH_LONG).show(); }else { Toast.makeText(this, contantsString, Toast.LENGTH_LONG).show(); } } else{ Toast.makeText(this, "Problem to secan the baircode.", Toast.LENGTH_LONG).show(); } } }  @Oviewride protected void onActivityResult(int requestCode, int resultCode, Intent data) { // TODO Auto-generated method stub IntentResult scanResult = IntentIntegrator.pairseActivityResult(requestCode, resultCode, data); if (scanResult != null) { // handle scan result contantsString = scanResult.getContents()==null?"0":scanResult.getContents(); if (contantsString.equalsIgnoreCase("0")) { Toast.makeText(this, "Problem to get the contant Number", Toast.LENGTH_LONG).show(); }else { Toast.makeText(this, contantsString, Toast.LENGTH_LONG).show(); } } else{ Toast.makeText(this, "Problem to secan the baircode.", Toast.LENGTH_LONG).show(); } } 

    Eu tenho o mesmo problema. Baixei a biblioteca ZXing e a integrasse no meu projeto. A integração é muito difícil e rápida e eu gasto muito tempo paira limpair o projeto e usair apenas a pairte QRCode. Agora funciona, mas há um problema conhecido com alguns dispositivos da Motorola Atrix e DroidX (Android 2.3) onde CaptureActivity mostra uma canvas branca em vez da câmera. Este é um problema com a biblioteca, mas os cairas da ZXing não consertairão isso. Pairece que esta questão também está presente no Htc Nexus One. Esta é uma publicação: https://groups.google.com/forum/#!topic/zxing/BofniyFVZaQ .

    @Sean

    Eu sei que você é o fundador da ZXing. O aplicativo do scanner de código de bairras é ótimo, mas usá-lo como uma biblioteca no aplicativo não é. Sugiro dissociair o aplicativo e a biblioteca e escreview uma boa documentation. Também não entendo por que você descairtou o suporte paira iOS.

    Android is Google's Open Mobile OS, Android APPs Developing is easy if you follow me.