|  |  | 
 |  |  |                     byte[] data = mfc.readBlock(bIndex + 0); | 
 |  |  |                     if (data != null && data.length > 0) { | 
 |  |  |                         String hex = HexUtil.bytesToHex(Arrays.copyOfRange(data, 0, 4)); | 
 |  |  |                         hex = HexUtil.spaceHex(hex); | 
 |  |  |                         hex = HexUtil.HighLowHex(hex); | 
 |  |  | //                        hex = HexUtil.spaceHex(hex); | 
 |  |  | //                        hex = HexUtil.HighLowHex(hex); | 
 |  |  |                         Log.i("NFCWreatActivity", "hex===" + hex); | 
 |  |  |                         return hex.toUpperCase(); | 
 |  |  |                     } | 
 |  |  | 
 |  |  |                     byte[] data = mfc.readBlock(bIndex + 0); | 
 |  |  |                     if (data != null && data.length > 0) { | 
 |  |  |                         String hex = HexUtil.bytesToHex(Arrays.copyOfRange(data, 0, 4)); | 
 |  |  |                         hex = HexUtil.spaceHex(hex); | 
 |  |  |                         hex = HexUtil.HighLowHex(hex); | 
 |  |  |                         strData.append(hex); | 
 |  |  |                         strData.append(","); | 
 |  |  |                         Log.i("NFCWreatActivity", "hex===" + hex); |