# BarcodeManagerCallback

## onReceivedBarcodeDecodeData (String)

### Method Signature

```java
default void onReceivedBarcodeDecodeData(String decodeData, Map<String, String> parameter) 
```

### Parameters

```{list-table}
:align: left
:class: list-table

* - Parameter
  - Type
  - Description
* - decodeData  
  - String 
  - Barcode data
* - parameter
  - Map<String, String> 
  - Analysis results of the barcode
```

### Description

Callback for barcode decoding results. After calling [`startDecode`](barcodeManager.md#startdecode) or [`startDecode`](barcodeManager.md#id26), this method is invoked when a barcode is scanned.

### Sample Code

```java
BarcodeManager.getInstance().setCallback(new BarcodeManagerCallback() { 
     @Override 
     public void onReceivedBarcodeDecodeData(String decodeData, Map<String, String> parameter) { 
         // decodeData: Decoded data of the scanned barcode
         // parameter: Map object containing parameters. Returns null if no parameters are stored
         // KEY_PARAMETER_CODE_ID = Code ID  BarcodeConst
    } 
     
    ...
}); 
```

---

## onReceivedBarcodeDecodeData (byte[])

### Method Signature

```java
default void onReceivedBarcodeDecodeData(byte[] decodeData) 
```

### Parameters

```{list-table}
:align: left
:class: list-table

* - Parameter
  - Type
  - Description
* - decodeData
  - byte[] 
  - Barcode data
```

### Description

Callback for barcode decoding results using a byte array. Invoked after calling [`startDecode`](barcodeManager.md#startdecode) or [`startDecode`](barcodeManager.md#id26).

### Sample Code

```java
BarcodeManager.getInstance().setCallback(new BarcodeManagerCallback() { 
     @Override 
     public void onReceivedBarcodeDecodeData(byte[] decodeData) { 
         // decodeData: Decoded data of the scanned barcode
      } 
          
...
}); 
```

---

## onReceivedResponse

### Method Signature

```java
default void onReceivedResponse(BarcodeConst.BarcodeCommandAction type, BarcodeResult result) 
```

### Parameters

```{list-table}
:align: left
:class: list-table

* - Parameter
  - Type
  - Description
* - type 
  - BarcodeConst.BarcodeCommandAction 
  - [BarcodeConst.BarcodeCommandAction](BarcodeConst.md#barcodeconst-barcodecommandaction)
* - result 
  - BarcodeResult 
  - [BarcodeResult](BarcodeResult.md) 
```

### Description

Callback for command execution results. Invoked after executing commands related to `BarcodeConst.BarcodeCommandAction`.

### Sample Code

```java
BarcodeManager.getInstance().setCallback(new BarcodeManagerCallback() { 
     @Override 
     public void onReceivedResponse(BarcodeConst.BarcodeCommandAction type, BarcodeResult result) { 
         // type: BarcodeConst.BarcodeCommandAction 
         // result: BarcodeResult 
      } 
}); 
```

---

## onBarcodeManagerStandByReady

### Method Signature

```java
default void onBarcodeManagerStandByReady() 
```

### Description

Callback for AsReader information. Invoked after connecting to AsReader and successfully retrieving device-side information.

### Sample Code

```java
BarcodeManager.getInstance().setCallback(new BarcodeManagerCallback() { 
     @Override 
     public void onBarcodeManagerStandByReady() { 

     }           
...
}); 
```

---

## onBarcodeManagerError

### Method Signature

```java
void onBarcodeManagerError(BarcodeManagerError error) 
```
 
### Parameters

```{list-table}
:align: left
:class: list-table

* - Parameter
  - Type
  - Description
* - error
  - BarcodeManagerError
  - [BarcodeManagerError](BarcodeManagerError.md)
```

### Description

Callback for errors.

### Sample Code

```java
BarcodeManager.getInstance().setCallback(new BarcodeManagerCallback() { 
     @Override 
     public void onBarcodeManagerError(BarcodeManagerError error) { 
         // error: Error message
      } 
          
...
}); 
```