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Update IntentIntegrator.java

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slepmog 2014-05-01 05:11:28 -07:00
parent c103e59b7e
commit 07bdeb9995
1 changed files with 35 additions and 5 deletions
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40
android-integration/src/main/java/com/google/zxing/integration/android/IntentIntegrator.java
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@ -249,25 +249,50 @@ public class IntentIntegrator {
}
/**
* Initiates a scan for all known barcode types.
* Initiates a scan for all known barcode types with the default camera.
*
* @return the {@link AlertDialog} that was shown to the user prompting them to download the app
* if a prompt was needed, or null otherwiseo
* if a prompt was needed, or null otherwise.
*/
public final AlertDialog initiateScan() {
return initiateScan(ALL_CODE_TYPES);
return initiateScan(ALL_CODE_TYPES, -1);
}
/**
* Initiates a scan for all known barcode types with the specified camera.
*
* @param cameraId camera ID of the camera to use
* @return the {@link AlertDialog} that was shown to the user prompting them to download the app
* if a prompt was needed, or null otherwise.
*/
public final AlertDialog initiateScan(int cameraId) {
return initiateScan(ALL_CODE_TYPES, cameraId);
}
/**
* Initiates a scan only for a certain set of barcode types, given as strings corresponding
* Initiates a scan, using the default camera, only for a certain set of barcode types, given as strings corresponding
* to their names in ZXing's {@code BarcodeFormat} class like "UPC_A". You can supply constants
* like {@link #PRODUCT_CODE_TYPES} for example.
*
* @param desiredBarcodeFormats names of {@code BarcodeFormat}s to scan for
* @return the {@link AlertDialog} that was shown to the user prompting them to download the app
* if a prompt was needed, or null otherwise
* if a prompt was needed, or null otherwise.
*/
public final AlertDialog initiateScan(Collection<String> desiredBarcodeFormats) {
return initiateScan(desiredBarcodeFormats, -1);
}
/**
* Initiates a scan, using the specified camera, only for a certain set of barcode types, given as strings corresponding
* to their names in ZXing's {@code BarcodeFormat} class like "UPC_A". You can supply constants
* like {@link #PRODUCT_CODE_TYPES} for example.
*
* @param desiredBarcodeFormats names of {@code BarcodeFormat}s to scan for
* @param cameraId camera ID of the camera to use
* @return the {@link AlertDialog} that was shown to the user prompting them to download the app
* if a prompt was needed, or null otherwise
*/
public final AlertDialog initiateScan(Collection<String> desiredBarcodeFormats, int cameraId) {
Intent intentScan = new Intent(BS_PACKAGE + ".SCAN");
intentScan.addCategory(Intent.CATEGORY_DEFAULT);
@ -283,6 +308,11 @@ public class IntentIntegrator {
}
intentScan.putExtra("SCAN_FORMATS", joinedByComma.toString());
}
// check requested camera ID
if (cameraId > -1) {
intentScan.putExtra("SCAN_CAMERA_ID", cameraId);
}
String targetAppPackage = findTargetAppPackage(intentScan);
if (targetAppPackage == null) {