添加nfc读取连接中断的处理

zuoxiao

2023-11-15 3502384043c282226c0dbc90a191806e007f1d17

 app/src/main/java/com/dayu/recharge/tools/NfcReadHelper.java

@@ -5,6 +5,8 @@
import android.nfc.Tag;
import android.nfc.tech.MifareClassic;

import com.dayu.recharge.utils.MyCommon;

import java.io.IOException;
import java.util.ArrayList;

@@ -42,22 +44,6 @@
        }
        return helper;
    }

    /**
     * 设置NFC卡的密码
     *
     * @param str
     * @return
     */
//    public NfcReadHelper setPassword(String str) {
//
//        if (null != str && (str.length() <= 6)) {
//            for (int i = 0; i < str.length(); i++) {
//                bytes[i] = (byte) str.charAt(i);
//            }
//        }
//        return helper;
//    }

    /**
     * 读取NFC卡的全部信息
@@ -108,15 +94,18 @@
                        if (flag) {
                            callback.callBack(map);
                        } else {
                            callback.error();
                            callback.error(MyCommon.ERROR);
                        }
                    } catch (IOException e) {
                        callback.error(MyCommon.ERROR_MOVE);
                        e.printStackTrace();
                    } catch (Exception e) {
                        callback.error();
                        callback.error(MyCommon.ERROR);
                        e.printStackTrace();
                    } finally {
                        try {
                            mfc.close();
                        } catch (IOException e) {
                        } catch (Exception e) {
                            e.printStackTrace();
                        }
                    }
@@ -143,12 +132,12 @@
                        mfc.connect();
                        int count = mfc.getSectorCount();
                        if (a < 0 || a > count - 1) {
                            callback.error();
                            callback.error(MyCommon.ERROR);
                            return;
                        }
                        int bCount = mfc.getBlockCountInSector(a);
                        if (b < 0 || b > bCount - 1) {
                            callback.error();
                            callback.error(MyCommon.ERROR);
                            return;
                        }

@@ -174,11 +163,13 @@
                            byte[] data = mfc.readBlock(bIndex + b);
                            callback.callBack(data);
                        } else {
                            callback.error();
                            callback.error(MyCommon.ERROR);
                        }
                    } catch (Exception e) {
                        callback.error();
                    } catch (IOException e) {
                        callback.error(MyCommon.ERROR_MOVE);
                        e.printStackTrace();
                    } catch (Exception e) {
                        callback.error(MyCommon.ERROR);
                    } finally {
                        try {
                            mfc.close();
@@ -203,7 +194,7 @@
        void callBack(Map<String, List<byte[]>> data);


        void error();
        void error(int code);
    }

    public interface NFCCallByteback {
@@ -215,7 +206,7 @@

        void callBack(byte[] data);

        void error();
        void error(int code);
    }

}