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Android API Reference - Settings

You are viewing a history document page of Dynamsoft Label Recognizer Android v1.x.

Method Description
appendCharacterModelBuffer Appends CharacterModel to the SDK object.
appendSettingsFromFile Appends LabelRecognitionParameter settings in a file to the SDK object.
appendSettingsFromString Appends LabelRecognitionParameter settings in a string to the SDK object.
clearAppendedSettings Clears appended LabelRecognitionParameter settings.
eraseAllCharacterModels Erases all CharacterModels the SDK object currently loaded.
eraseCharacterModelByName Erases a name specified CharacterModel from the SDK object.
getModeArgument Get argument value for the specified mode parameter.
getRuntimeSettings Gets the current settings and saves it into a class object.
outputSettingsToFile Outputs LabelRecognitionParameter settings into a file (JSON file).
resetRuntimeSettings Resets the runtime settings.
setModeArgument Set argument value for the specified mode parameter.
updateReferenceRegionFromBarcodeResults Updates reference region which is defined with source type DLR_LST_BARCODE.
updateRuntimeSettings Updates runtime settings with a given class object.

appendCharacterModelBuffer

Appends CharacterModel to the SDK object.

void com.dynamsoft.dlr.LabelRecognition.appendCharacterModelBuffer (String name, byte[] prototxtBuffer, byte[] txtBuffer, byte[] characterModelBuffer) throws LabelRecognitionException

Parameters name A unique name for the appended CharacterModel.
prototxtBuffer The .prototxt file data of the CharacterModel in a byte array.
txtBuffer The .txt file data of the CharacterModel in a byte array.
characterModelBuffer The .caffemodel file data of the CharacterModel in a byte array.

Exceptions LabelRecognitionException

Code Snippet

LabelRecognition recognizer = new LabelRecognition();
DMLTSConnectionParameters parameters = new DMLTSConnectionParameters();
parameters.organizationID = "200001";
recognizer.initLicenseFromLTS(parameters, new DLRLTSLicenseVerificationListener() {
                @Override
                public void LTSLicenseVerificationCallback(boolean isSuccess, Exception error) {
                    if (!isSuccess) {
                        error.printStackTrace();
                    }
                }
            });

AssetManager manager = getAssets();
InputStream isPrototxt = manager.open("CharacterModel/NumberLetter.prototxt");
byte[] prototxt = new byte[isPrototxt.available()];
isPrototxt.read(prototxt);
isPrototxt.close();
InputStream isCharacterModel = manager.open("CharacterModel/NumberLetter.caffemodel");
byte[] characterModel = new byte[isCharacterModel.available()];
isCharacterModel.read(characterModel);
isCharacterModel.close();
InputStream isTxt = manager.open("CharacterModel/NumberLetter.txt");
byte[] txt = new byte[isTxt.available()];
isTxt.read(txt);
isTxt.close();
recognizer.appendCharacterModelBuffer("NumberLetter", prototxt, txt, characterModel);
recognizer.destroy();

 

appendSettingsFromFile

Appends LabelRecognitionParameter settings in a file to the SDK object.

void com.dynamsoft.dlr.LabelRecognition.appendSettingsFromFile (String filePath) throws LabelRecognitionException

Parameters filePath The settings file path.

Exceptions

LabelRecognitionException

Code Snippet

LabelRecognition recognizer = new LabelRecognition();
DMLTSConnectionParameters parameters = new DMLTSConnectionParameters();
parameters.organizationID = "200001";
recognizer.initLicenseFromLTS(parameters, new DLRLTSLicenseVerificationListener() {
                @Override
                public void LTSLicenseVerificationCallback(boolean isSuccess, Exception error) {
                    if (!isSuccess) {
                        error.printStackTrace();
                    }
                }
            });

recognizer.appendSettingsFromFile("your file path");
recognizer.destroy();

 

appendSettingsFromString

Append a new template string to the current label recognition instance.

void com.dynamsoft.dlr.LabelRecognition.appendSettingsFromString (String content) throws LabelRecognitionException

Parameters content A JSON string that represents the content of the settings.

Exceptions

LabelRecognitionException

Code Snippet

LabelRecognition recognizer = new LabelRecognition();
DMLTSConnectionParameters parameters = new DMLTSConnectionParameters();
parameters.organizationID = "200001";
recognizer.initLicenseFromLTS(parameters, new DLRLTSLicenseVerificationListener() {
                @Override
                public void LTSLicenseVerificationCallback(boolean isSuccess, Exception error) {
                    if (!isSuccess) {
                        error.printStackTrace();
                    }
                }
            });

recognizer.appendSettingsFromString("{\"LabelRecognitionParameter\":{\"Name\":\"P1\", \"RegionPredetectionModes\":[{\"Mode\":\"DLR_RPM_GENERAL_HSV_CONTRAST\"}], \"ReferenceRegionNameArray\": [\"R1\"]},\"ReferenceRegion\":{\"Name\":\"R1\",\"Localization\":{\"SourceType\":\"DLR_LST_PREDETECTED_REGION\",\"RegionPredetectionModesIndex\":0},\"TextAreaNameArray\":[\"T1\"]},\"TextArea\":{\"Name\":\"T1\",\"CharacterModelName\":\"Number\"}}");
recognizer.destroy();

 

clearAppendedSettings

Clear all appended parameter settings of the current label recognition instance.

void com.dynamsoft.dlr.LabelRecognition.clearAppendedSettings () throws LabelRecognitionException

Code Snippet

LabelRecognition recognizer = new LabelRecognition();
DMLTSConnectionParameters parameters = new DMLTSConnectionParameters();
parameters.organizationID = "200001";
recognizer.initLicenseFromLTS(parameters, new DLRLTSLicenseVerificationListener() {
                @Override
                public void LTSLicenseVerificationCallback(boolean isSuccess, Exception error) {
                    if (!isSuccess) {
                        error.printStackTrace();
                    }
                }
            });

recognizer.clearAppendedSettings();

 

eraseAllCharacterModels

Erases all CharacterModels the SDK object currently loaded.

void com.dynamsoft.dlr.LabelRecognition.eraseAllCharacterModels () throws LabelRecognitionException

Code Snippet

LabelRecognition recognizer = new LabelRecognition();
DMLTSConnectionParameters parameters = new DMLTSConnectionParameters();
parameters.organizationID = "200001";
recognizer.initLicenseFromLTS(parameters, new DLRLTSLicenseVerificationListener() {
                @Override
                public void LTSLicenseVerificationCallback(boolean isSuccess, Exception error) {
                    if (!isSuccess) {
                        error.printStackTrace();
                    }
                }
            });

recognizer.eraseAllCharacterModels();

 

eraseCharacterModelByName

Erases a name specified CharacterModel from the SDK object.

void com.dynamsoft.dlr.LabelRecognition.eraseCharacterModelByName(String name) throws LabelRecognitionException

Parameters name A unique name representing the CharacterModel to erase.

Code Snippet

LabelRecognition recognizer = new LabelRecognition();
DMLTSConnectionParameters parameters = new DMLTSConnectionParameters();
parameters.organizationID = "200001";
recognizer.initLicenseFromLTS(parameters, new DLRLTSLicenseVerificationListener() {
                @Override
                public void LTSLicenseVerificationCallback(boolean isSuccess, Exception error) {
                    if (!isSuccess) {
                        error.printStackTrace();
                    }
                }
            });

recognizer.eraseCharacterModelByName("NumberLetter");

 

getModeArgument

Get argument value for the specified mode parameter.

String com.dynamsoft.dlr.LabelRecognition.getModeArgument (String modesName, int index, String argumentName) throws LabelRecognitionException

Parameters

  • modesName: The mode parameter name to get argument.
  • index: The array index of mode parameter to indicate a specific mode.
  • argumentName: The name of the argument to get.

Return Value the optional argument for a specified mode in Modes parameters.

Exceptions LabelRecognitionException

Remark

Check follow link for available modes and arguments:

Code Snippet

LabelRecognition recognizer = new LabelRecognition();
DMLTSConnectionParameters parameters = new DMLTSConnectionParameters();
parameters.organizationID = "200001";
recognizer.initLicenseFromLTS(parameters, new DLRLTSLicenseVerificationListener() {
                @Override
                public void LTSLicenseVerificationCallback(boolean isSuccess, Exception error) {
                    if (!isSuccess) {
                        error.printStackTrace();
                    }
                }
            });

DLRRuntimeSettings settings = recognizer.getRuntimeSettings();
settings.regionPredetectionModes[0] = EnumRegionPredetectionMode.DLR_RPM_GENERAL_RGB_CONTRAST;
recognizer.updateRuntimeSettings(settings);
recognizer.setModeArgument("RegionPredetectionModes", 0, "AspectRatioRange", "100");
String argumentValue = recognizer.getModeArgument("RegionPredetectionModes", 0, "AspectRatioRange");
recognizer.destroy();

 

getRuntimeSettings

Get current settings and save them into a DLRRuntimeSettings class object.

PublicRuntimeSettings com.dynamsoft.dlr.LabelRecognition.getRuntimeSettings () throws LabelRecognitionException

Return Value

The class object of template settings.

Exceptions

LabelRecognitionException

Code Snippet

LabelRecognition recognizer = new LabelRecognition();
DMLTSConnectionParameters parameters = new DMLTSConnectionParameters();
parameters.organizationID = "200001";
recognizer.initLicenseFromLTS(parameters, new DLRLTSLicenseVerificationListener() {
                @Override
                public void LTSLicenseVerificationCallback(boolean isSuccess, Exception error) {
                    if (!isSuccess) {
                        error.printStackTrace();
                    }
                }
            });

DLRRuntimeSettings settings = recognizer.getRuntimeSettings();
recognizer.destroy();

 

outputSettingsToFile

Outputs runtime settings and save them into a settings file (JSON file).

void com.dynamsoft.dlr.LabelRecognition.outputSettingsToFile (String filePath, String templateName) throws LabelRecognitionException

Parameters filePath The path of the output file which stores current settings.
templateName A unique name for declaring current runtime settings.

Exceptions

LabelRecognitionException

Code Snippet

LabelRecognition recognizer = new LabelRecognition();
DMLTSConnectionParameters parameters = new DMLTSConnectionParameters();
parameters.organizationID = "200001";
recognizer.initLicenseFromLTS(parameters, new DLRLTSLicenseVerificationListener() {
                @Override
                public void LTSLicenseVerificationCallback(boolean isSuccess, Exception error) {
                    if (!isSuccess) {
                        error.printStackTrace();
                    }
                }
            });

recognizer.appendSettingsFromString("{\"LabelRecognitionParameter\":{\"Name\":\"P1\", \"RegionPredetectionModes\":[{\"Mode\":\"DLR_RPM_GENERAL_HSV_CONTRAST\"}], \"ReferenceRegionNameArray\": [\"R1\"]},\"ReferenceRegion\":{\"Name\":\"R1\",\"Localization\":{\"SourceType\":\"DLR_LST_PREDETECTED_REGION\",\"RegionPredetectionModesIndex\":0},\"TextAreaNameArray\":[\"T1\"]},\"TextArea\":{\"Name\":\"T1\",\"CharacterModelName\":\"Number\"}}");
recognizer.outputSettingsToFile("your saving file path", "currentRuntimeSettings");
recognizer.destroy();

 

resetRuntimeSettings

Reset all runtime settings to default values.

void com.dynamsoft.dlr.LabelRecognition.resetRuntimeSettings () throws LabelRecognitionException

Exceptions LabelRecognitionException

Code Snippet

LabelRecognition recognizer = new LabelRecognition();
DMLTSConnectionParameters parameters = new DMLTSConnectionParameters();
parameters.organizationID = "200001";
recognizer.initLicenseFromLTS(parameters, new DLRLTSLicenseVerificationListener() {
                @Override
                public void LTSLicenseVerificationCallback(boolean isSuccess, Exception error) {
                    if (!isSuccess) {
                        error.printStackTrace();
                    }
                }
            });

DLRRuntimeSettings settings = recognizer.getRuntimeSettings();
settings.linesCount = 1;
recognizer.updateRuntimeSettings(settings);
recognizer.resetRuntimeSettings();
recognizer.destroy();

 

setModeArgument

Set argument value for the specified mode parameter.

void com.dynamsoft.dlr.LabelRecognition.setModeArgument (String modesName, int index, String argumentName, String argumentValue)	throws LabelRecognitionException

Parameters

  • modesName: The mode parameter name to set argument.
  • index: The array index of mode parameter to indicate a specific mode.
  • argumentName: The name of the argument to set.
  • argumentValue: The value of the argument to set.

Exceptions LabelRecognitionException

Remark

Check follow link for available modes and arguments:

Code Snippet

LabelRecognition recognizer = new LabelRecognition();
DMLTSConnectionParameters parameters = new DMLTSConnectionParameters();
parameters.organizationID = "200001";
recognizer.initLicenseFromLTS(parameters, new DLRLTSLicenseVerificationListener() {
                @Override
                public void LTSLicenseVerificationCallback(boolean isSuccess, Exception error) {
                    if (!isSuccess) {
                        error.printStackTrace();
                    }
                }
            });

DLRRuntimeSettings settings = recognizer.getRuntimeSettings();
settings.regionPredetectionModes[0] = EnumRegionPredetectionMode.DLR_RPM_GENERAL_RGB_CONTRAST;
recognizer.updateRuntimeSettings(settings);
recognizer.setModeArgument("RegionPredetectionModes", 0, "AspectRatioRange", "100");
recognizer.destroy();

 

updateReferenceRegionFromBarcodeResults

Updates reference region which is defined with source type DLR_LST_BARCODE.

void com.dynamsoft.dlr.LabelRecognition.updateReferenceRegionFromBarcodeResults (TextResult[] barcodeResults, String templateName) throws LabelRecognitionException

Parameters barcodeResults The barcode results used to localize reference region.
templateName The template name. A template name is the value of key LabelRecognitionParameter.Name defined in JSON formatted settings. If no template name is specified, current runtime settings will be used.

Exceptions

LabelRecognitionException

Code Snippet

LabelRecognition recognizer = new LabelRecognition();
DMLTSConnectionParameters parameters = new DMLTSConnectionParameters();
parameters.organizationID = "200001";
recognizer.initLicenseFromLTS(parameters, new DLRLTSLicenseVerificationListener() {
                @Override
                public void LTSLicenseVerificationCallback(boolean isSuccess, Exception error) {
                    if (!isSuccess) {
                        error.printStackTrace();
                    }
                }
            });

recognizer.appendSettingsFromString("{\"LabelRecognitionParameter\":{\"Name\":\"P1\", \"RegionPredetectionModes\":[{\"Mode\":\"DLR_RPM_GENERAL_HSV_CONTRAST\"}], \"ReferenceRegionNameArray\": [\"R1\"]},\"ReferenceRegion\":{\"Name\":\"R1\",\"Localization\":{\"SourceType\":\"DLR_LST_BARCODE\"},\"TextAreaNameArray\":[\"T1\"]},\"TextArea\":{\"Name\":\"T1\",\"CharacterModelName\":\"Number\"}}");
//Get barcodeResults from Dynamsoft Barcode Reader SDK
recognizer.updateReferenceRegionFromBarcodeResults(barcodeResults, "P1");
recognizer.destroy();

 

updateRuntimeSettings

Update runtime settings with a given DLRRuntimeSettings class object.

void com.dynamsoft.dlr.LabelRecognition.updateRuntimeSettings (DLRRuntimeSettings settings) throws LabelRecognitionException

Parameters settings The class object of template settings.

Exceptions

LabelRecognitionException

Code Snippet

LabelRecognition recognizer = new LabelRecognition();
DMLTSConnectionParameters parameters = new DMLTSConnectionParameters();
parameters.organizationID = "200001";
recognizer.initLicenseFromLTS(parameters, new DLRLTSLicenseVerificationListener() {
                @Override
                public void LTSLicenseVerificationCallback(boolean isSuccess, Exception error) {
                    if (!isSuccess) {
                        error.printStackTrace();
                    }
                }
            });

DLRRuntimeSettings settings = recognizer.getRuntimeSettings();
settings.linesCount = 1;
recognizer.updateRuntimeSettings(settings);
recognizer.destroy();

 

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