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aggiunta configurazione scanner barcode tramite preferenze app

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This commit is contained in:
Valerio Castellana
2022-09-26 11:52:24 +02:00
parent f8c0852cb7
commit 0e6f4a7892
18 changed files with 300 additions and 77 deletions
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22
keyobardemulatorscannerlibrary/src/main/java/it/integry/keyobardemulatorscannerlibrary/KeyboardEmulatorBarcodeReader.java
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@@ -1,8 +1,11 @@
package it.integry.keyobardemulatorscannerlibrary;
import android.content.Context;
import android.util.Pair;
import android.view.KeyEvent;
import java.util.List;
import it.integry.barcode_base_android_library.exception.BarcodeAdapterNotFoundException;
import it.integry.barcode_base_android_library.extension.RunnableArgs;
import it.integry.barcode_base_android_library.interfaces.BarcodeReaderInterface;
@@ -91,7 +94,7 @@ public class KeyboardEmulatorBarcodeReader implements BarcodeReaderInterface {
if (barcode.length() == 8) {
try {
int checksum = getEanChecksum(barcode);
if (checksum == Integer.parseInt(barcode.substring(7))){
if (checksum == Integer.parseInt(barcode.substring(7))) {
return BarcodeType.EAN8;
}
} catch (WrongFormatException e) {
@@ -100,7 +103,7 @@ public class KeyboardEmulatorBarcodeReader implements BarcodeReaderInterface {
} else if (barcode.length() == 13) {
try {
int checksum = getEanChecksum(barcode);
if (checksum == Integer.parseInt(barcode.substring(12))){
if (checksum == Integer.parseInt(barcode.substring(12))) {
return BarcodeType.EAN13;
}
} catch (WrongFormatException e) {
@@ -109,7 +112,7 @@ public class KeyboardEmulatorBarcodeReader implements BarcodeReaderInterface {
} else if (barcode.length() == 14) {
try {
int checksum = getEanChecksum(barcode);
if (checksum == Integer.parseInt(barcode.substring(13))){
if (checksum == Integer.parseInt(barcode.substring(13))) {
return BarcodeType.INTERLEAVED_2OF5;
}
} catch (WrongFormatException e) {
@@ -122,19 +125,24 @@ public class KeyboardEmulatorBarcodeReader implements BarcodeReaderInterface {
private static int getEanChecksum(String barcode) throws WrongFormatException {
int odds = 0;
int evens = 0;
barcode = barcode.substring(0,barcode.length()-1);
barcode = barcode.substring(0, barcode.length() - 1);
int pos = 0;
for (int i = barcode.length() -1; i >=0 ; i--) {
for (int i = barcode.length() - 1; i >= 0; i--) {
pos++;
if (!Character.isDigit(barcode.charAt(i))) {
throw new WrongFormatException();
}
if (pos % 2 == 0) {
evens += Integer.parseInt(barcode.charAt(i)+"");
evens += Integer.parseInt(barcode.charAt(i) + "");
} else {
odds += Integer.parseInt(barcode.charAt(i)+"");
odds += Integer.parseInt(barcode.charAt(i) + "");
}
}
return ((10 - (((3 * odds) + evens) % 10)) % 10);
}
@Override
public void changeSettings(List<Pair<String, Object>> settings) {
}
}