public boolean setAuthorizationAmount() {
long amountValue = getCardInput.getTransactionAmount();
String amountString = String.format("%012d", amountValue);
Logs.d(TAG,"amountString "+ amountString);
byte[] amountBytes = tools.hexStringToByte(amountString);
// 构建TLV数据,将9F06、长度06、六个字节的金额拼接起来
byte[] tlvData = new byte[9];
tlvData[0] = (byte)0x9F;
tlvData[1] = 0x02;
tlvData[2] = 0x06;
System.arraycopy(amountBytes, 0, tlvData, 3, 6);
Logs.d(TAG,"tlvData " +tools.hexString(tlvData));
ret = EMV_SetTLVDataList(tlvData, tlvData.length);
Logs.d(TAG, "Step " + ++step +" " +ret);
return ret == EMV_OK;
}