【报Bug】3.x版本调用nfc读卡失败

木叶96

const resultBytes = isoDep.transceive(apduBytes);

读卡指令执行返回的结果是null

2021-01-14 13:38

1***@qq.com (作者)

<template>  

    <view class="wrap">  

        <view class="sub-btn-area">  

            <view class="img-container">  

                <image src="../../../static/pages/mission/rfid@2x.png" mode="widthFix"></image>  

            </view>  

        </view>  

        </view>  

        <view class="connect">  

            <view class="img-container">  

                <image src="../../../static/pages/mission/rfid-2@2x.png" mode="widthFix"></image>  

            </view>  

            <view class="tip">请将手机背面靠近RFID卡，</view>  

            <view class="tip">并根据任务列表内容执行相关任务</view>  

            <view>  

                {{ cardId }}  

            </view>  

        </view>  

    </view>  

</template>  



<script>  

    function bytesToHexString(inarray) {  

        var i, j, x;  

        var hex = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A",  

            "B", "C", "D", "E", "F"  

        ];  

        var out = "";  

        for (j = 0; j < inarray.length; ++j) {  

            x = parseInt(inarray[j]) & 0xff;  

            i = (x >> 4) & 0x0f;  

            out += hex[i];  

            i = x & 0x0f;  

            out += hex[i];  

        }  

        return out;  

    }  

    var NfcAdapter;  

    var NdefRecord;  

    var NdefMessage;  

    var waiting  

    var readyRead = false;  

    var nfcAdapter, main, pendingIntent, intentFiltersArray, techListsArray, IntentFilter  

    import { getCurTimeStamp } from '../../../common/util/index.js'  

    export default {  

        data() {  

            return {  

                currentNFCInfo: [], //NFC 读取消息  

                cardId: null,  

                bannerShow: false,  

                remark: "",  

                message: "",  

                count: 0,  

                timestampHide: "",  

                timestampShow: "",  

                deviceRFID: '',  

                taskId: ''  

            };  

        },  

        methods: {  

            listenNFCStatus() {  

                try {  

                    console.log('Init NFC...');  

                    main = plus.android.runtimeMainActivity();  

                    var Intent = plus.android.importClass('android.content.Intent');  

                    var Activity = plus.android.importClass('android.app.Activity');  

                    var PendingIntent = plus.android.importClass('android.app.PendingIntent');  

                    IntentFilter = plus.android.importClass('android.content.IntentFilter');  

                    NfcAdapter = plus.android.importClass('android.nfc.NfcAdapter');  

                    nfcAdapter = NfcAdapter.getDefaultAdapter(main);  

                    if (nfcAdapter == null) {  

                        console.log("设备不支持NFC！");  

                        return;  

                    }  

                    if (!nfcAdapter.isEnabled()) {  

                        console.log("请在系统设置中先启用NFC功能！");  

                        return;  

                    }  

                    var intent = new Intent(main, main.getClass());  

                    intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);  

                    pendingIntent = PendingIntent.getActivity(main, 0, intent, 0);  

                    var ndef = new IntentFilter("android.nfc.action.TECH_DISCOVERED");  

                    ndef.addDataType("*/*");  

                    intentFiltersArray = [ndef];  

                    techListsArray = [  

                        ["android.nfc.tech.IsoDep"],  

                        ["android.nfc.tech.NfcA"],  

                        ["android.nfc.tech.NfcB"],  

                        ["android.nfc.tech.NfcF"],  

                        ["android.nfc.tech.Ndef"],  

                        ["android.nfc.tech.NfcV"],  

                        ["android.nfc.tech.NdefFormatable"],  

                        ["android.nfc.tech.MifareClassic"],  

                        ["android.nfc.tech.MifareUltralight"]  

                    ];  



                } catch (e) {  

                    console.error(e);  

                }  

            },  

            handle_nfc_data() {  



                NdefRecord = plus.android.importClass("android.nfc.NdefRecord");  

                NdefMessage = plus.android.importClass("android.nfc.NdefMessage");  

                // main = plus.android.runtimeMainActivity();    

                var intent = main.getIntent();  



                console.log("action type:" + intent.getAction());  

                if ("android.nfc.action.TECH_DISCOVERED" == intent.getAction()) {  

                    if (readyRead) {  

                        this.__read(intent);  

                        readyRead = false;  

                    }  

                } else {  

                    // waiting.close();    

                    console.log("nfc读取失败")  

                }  

            },  

            __read(intent) {  

                try {  

                    var content = "";  

                    waiting = plus.nativeUI.showWaiting("请将NFC标签靠近！");  

                    waiting.setTitle('请勿移开标签\n正在读取数据...');  

                    var tag = plus.android.importClass("android.nfc.Tag");  

                    waiting.close();  

                    var Parcelable = plus.android.importClass("android.os.Parcelable");  

                    var rawmsgs = intent.getByteArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);  

                    var bytesId = intent.getByteArrayExtra(NfcAdapter.EXTRA_ID);  

                    if (bytesId != null && bytesId.length > 0) {  

                        this.cardId = bytesToHexString(bytesId)  

                        // todo: 直接写入到缓存中 使用vuex  

                        if (this.cardId === this.deviceRFID) {  

                            // 弹窗，确认到设备列表页  

                        } else {  

                            // 弹窗，提示不是同一个地方  

                        }  

                    } else {  

                        console.log("NFC获取失败");  

                        uni.showToast({  

                            title: "NFC获取失败.",  

                            icon: "none"  

                        });  

                    }  



                } catch (e) {  

                    console.log(e);  

                    console.log("NFC获取失败,丢出异常");  

                    waiting.close();  

                    uni.showToast({  

                        title: "NFC获取失败,丢出异常.",  

                        icon: "none"  

                    });  

                    //TODO handle the exception    

                }  

            },  

            readData() {  

                readyRead = true;  

                //  waiting = plus.nativeUI.showWaiting("请将NFC标签靠近！");    

                console.log('read')  

                setTimeout(this.handle_nfc_data, 1000);  

            }  

        },  

        onLoad: function(option) {  

            this.listenNFCStatus()  

            this.deviceRFID = option.rfidId  

            this.id = option.id  

            this.pageType = option.type  

        },  

        onShow: function() {  

            console.log('page Show');  

            this.timestampShow = (new Date()).getTime();  

            var TimeScale = this.timestampShow - this.timestampHide;  

            nfcAdapter.enableForegroundDispatch(main, pendingIntent, intentFiltersArray, techListsArray);  

            if (this.count++ == 0) {  

                // this.listenNFCStatus()    

                return false;  

            } else if (TimeScale > 400) {  

                return false;  

            } else {  

                this.readData();  

            }  

        },  

        onHide: function() {  

            console.log("onHide");  

            this.timestampHide = (new Date()).getTime();  

            console.log(this.timestampHide);  

        }  

    }  

</script>  



<style lang="scss">  

    .wrap {  

        height: 100vh;  

        padding-bottom: 50px;  

        color: #666666;  



        .connect {  

            text-align: center;  

            // margin-top: 20px;  

            .img-container {  

                width: 216rpx;  

                margin: 92rpx auto;  

                image {  

                    width: 100%;  

                }  

            }  



            .tip {  

                font-size: 32rpx;  

                font-family: PingFang SC;  

                font-weight: 400;  

                color: #666666;  

                line-height: 52rpx;  

            }  

        }  



        .sub-btn-area {  

            margin-top: 30rpx;  

            .img-container {  

                margin: 60rpx auto 162rpx auto;  

                width: 570rpx;  

                image {  

                    width: 100%;  

                }  

            }  

        }  

    }  

</style>  

2021-01-18 10:28

1***@qq.com (作者)

3.0.7.20210109-alpha. 这个版本修复问题了

2021-01-18 10:49

1***@qq.com (作者)

谢谢，3.0.7 alpha 版修复这个问题了

2021-01-18 10:50