{"id":774,"date":"2023-07-12T14:53:03","date_gmt":"2023-07-12T06:53:03","guid":{"rendered":"https:\/\/www.zhidianwl.net\/zhidianwl\/?p=774"},"modified":"2023-07-12T14:53:03","modified_gmt":"2023-07-12T06:53:03","slug":"app%e5%bc%80%e5%8f%91nfc%e5%8a%9f%e8%83%bd%e7%94%a8%e9%80%94%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/www.zhidianwl.net\/zhidianwl\/2023\/07\/12\/app%e5%bc%80%e5%8f%91nfc%e5%8a%9f%e8%83%bd%e7%94%a8%e9%80%94%e4%bb%8b%e7%bb%8d\/","title":{"rendered":"app\u5f00\u53d1nfc\u529f\u80fd\u7528\u9014\u4ecb\u7ecd"},"content":{"rendered":"

## NFC\u529f\u80fd\u5728App\u5f00\u53d1\u4e2d\u7684\u5e94\u7528\u53ca\u539f\u7406\u8be6\u89e3<\/p>\n

\u8fd1\u5e74\u6765\uff0c\u79fb\u52a8\u652f\u4ed8\u3001\u65e0\u94a5\u5319\u95e8\u7981\u3001\u7968\u52a1\u7b49\u9886\u57df\u7684\u65e5\u76ca\u666e\u53ca\uff0c\u8ba9NFC\uff08Near Field Communication\uff09\u6280\u672f\u53d8\u5f97\u8d8a\u6765\u8d8a\u70ed\u95e8\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdNFC\u6280\u672f\u7684\u539f\u7406\u3001\u5e94\u7528\u573a\u666f\uff0c\u4ee5\u53ca\u5982\u4f55\u5728App\u5f00\u53d1\u4e2d\u5b9e\u73b0NFC\u529f\u80fd\u3002<\/p>\n

### \u4e00\u3001\u4ec0\u4e48\u662fNFC\u6280\u672f\uff1f<\/p>\n

NFC\uff08\u8fd1\u573a\u901a\u4fe1\uff09\u6280\u672f\u662f\u4e00\u79cd\u77ed\u8ddd\u79bb\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\uff0c\u80fd\u5728\u5728\u77ed\u8ddd\u79bb\u5185\uff08\u4e00\u822c10\u5398\u7c73\u4ee5\u5185\uff09\u5b9e\u73b0\u6570\u636e\u7684\u53cc\u5411\u4f20\u8f93\u3002\u5b83\u662f\u4e00\u79cd\u96c6RFID\uff08\u65e0\u7ebf\u5c04\u9891\u8bc6\u522b\uff09\u4e0e\u4e92\u64cd\u4f5c\u6280\u672f\u4e8e\u4e00\u8eab\u7684\u901a\u4fe1\u6280\u672f\uff0c\u6700\u65e9\u7531\u98de\u5229\u6d66\u534a\u5bfc\u4f53\uff08\u73b0NXP\u534a\u5bfc\u4f53\uff09\u7b49\u516c\u53f8\u57282003\u5e74\u63d0\u51fa\u3002<\/p>\n

### \u4e8c\u3001NFC\u6280\u672f\u7684\u539f\u7406<\/p>\n

NFC\u6280\u672f\u57fa\u4e8e\u7535\u78c1\u611f\u5e94\uff0c\u8fd0\u884c\u572813.56MHz\u7684\u65e0\u7ebf\u9891\u6bb5\u3002\u5206\u4e3a\u4e3b\u52a8\u6a21\u5f0f\u548c\u88ab\u52a8\u6a21\u5f0f\u3002<\/p>\n

1. \u4e3b\u52a8\u6a21\u5f0f\uff1a\u8bbe\u5907\u751f\u6210\u4e00\u4e2a\u5c04\u9891\u573a\uff0c\u4e3b\u52a8\u53d1\u8d77\u901a\u4fe1\u3002<\/p>\n

2. \u88ab\u52a8\u6a21\u5f0f\uff1a\u8bbe\u5907\u65e0\u6cd5\u751f\u6210\u5c04\u9891\u573a\uff08\u5982NFC\u8d34\u7eb8\u3001\u95e8\u7981\u5361\u7b49\uff09\uff0c\u9700\u8981\u501f\u52a9\u4e3b\u52a8\u6a21\u5f0f\u7684\u8bbe\u5907\u6fc0\u6d3b\u548c\u8bfb\u53d6\u4fe1\u606f\u3002<\/p>\n

NFC\u6280\u672f\u4f20\u8f93\u6570\u636e\u7684\u901f\u5ea6\u4e3b\u8981\u6709\u4e09\u79cd\uff1a106 Kbps\u3001212 Kbps \u548c 424 Kbps\u3002<\/p>\n

### \u4e09\u3001NFC\u5e94\u7528\u573a\u666f<\/p>\n

1. \u79fb\u52a8\u652f\u4ed8\uff1a\u901a\u8fc7\u624b\u673a\u4e0ePOS\u673a\u901a\u4fe1\uff0c\u5b9e\u73b0\u624b\u673a\u652f\u4ed8\u529f\u80fd\uff0c\u5982Apple Pay\u3001Samsung Pay\u3002<\/p>\n

2. \u65e0\u94a5\u5319\u95e8\u7981\uff1a\u5c06\u95e8\u7981\u5361\u4fe1\u606f\u5199\u5165\u624b\u673aNFC\u6a21\u5757\uff0c\u5b9e\u73b0\u7528\u624b\u673a\u6388\u6743\u5f00\u95e8\u3002<\/p>\n

3. \u516c\u4ea4\/\u5730\u94c1\u652f\u4ed8\uff1a\u5c06\u516c\u4ea4\u5361\u6216\u5730\u94c1\u5361\u7684\u4fe1\u606f\u5199\u5165\u624b\u673aNFC\u6a21\u5757\uff0c\u5b9e\u73b0\u7528\u624b\u673a\u5237\u5361\u4e58\u8f66\u3002<\/p>\n

4. \u6587\u4ef6\u4f20\u8f93\uff1a\u901a\u8fc7NFC\u529f\u80fd\uff0c\u5febAPP<\/a>\u901f\u4f20\u8f93\u97f3\u9891\u3001\u56fe\u7247\u3001\u89c6\u9891\u7b49\u6570\u636e\u3002<\/p>\n

5. \u667a\u80fd\u5bb6\u5c45\uff1a\u4f7f\u7528NFC\u529f\u80fd\u8fde\u63a5\u5bb6\u5c45\u8bbe\u5907\uff0c\u5982\u8fde\u63a5\u97f3\u54cd\u3001\u7535\u89c6\u7b49\u3002<\/p>\n

### \u56db\u3001\u5982\u4f55\u5728App\u5f00\u53d1\u4e2d\u5b9e\u73b0NFC\u529f\u80fd<\/p>\n

\u8981\u5728App\u5f00\u53d1\u4e2d\u5b9e\u73b0NFC\u529f\u80fd\uff0c\u4f60\u9700\u8981\u8ddf\u968f\u4ee5\u4e0b\u6b65\u9aa4\u64cd\u4f5c\uff1a<\/p>\n

1. **\u68c0\u67e5\u8bbe\u5907\u662f\u5426\u652f\u6301NFC\uff1a**\u9996\u5148\uff0c\u9700\u8981\u786e\u5b9a\u5f00\u53d1\u7684App\u5c06\u5728\u652f\u6301NFC\u529f\u80fd\u7684\u8bbe\u5907\u4e0a\u8fd0\u884c\u3002\u53ef\u901a\u8fc7API\u5224\u65ad\u8bbe\u5907\u662f\u5426\u652f\u6301NFC\u3002<\/p>\n

2. **\u6dfb\u52a0NFC\u6743\u9650APP\u5f00\u53d1<\/a>\uff1a**\u5728AndroidManifest.xml\u6587\u4ef6\u4e2d\u6dfb\u52a0\u6743\u9650\uff0c\u4f8b\u5982\uff1a<\/p>\n

“`xml<\/p>\n<\/p>\n

“`<\/p>\n

3. **\u521b\u5efaNfcAdapter\uff1a**\u57fa\u4e8eNFC\u786c\u4ef6\u7684\u64cd\u4f5c\u90fd\u9700\u8981\u8c03\u7528NfcAdapter\u7c7b\uff0c\u9700\u5728Activity\u4e2d\u521b\u5efa\u4e00\u4e2aNfcAdapter\u5b9e\u4f8b\uff0c\u4f8b\u5982\uff1a<\/p>\n

“`java<\/p>\n

NfcAdapter mNfcAdapter = NfcAdapter.getDefaultAdapter(this);<\/p>\n

“`<\/p>\n

4. **\u76d1\u542cNFC\u6807\u7b7e\uff1a**\u542f\u52a8\u5bf9NFC\u6807\u7b7e\u7684\u76d1<\/p>\n

<\/figure>\n<\/p>\n

\u542c\uff0c\u9700\u8981\u5728onResume\uff08\uff09\u65b9\u6cd5\u4e2d\u8c03\u7528enableForegroundDispatch\uff0c\u8bbe\u7f6ePendingIntent\u6765\u6355\u6349\u4f60\u8981\u5904\u7406\u7684Intent\u3002<\/p>\n

“`java<\/p>\n

PendingIntent mPendingIntent = PendingIntent.getActivity(<\/p>\n

this, 0, new Intent(this, getClass()).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP), 0);<\/p>\n

mNfcAdapter.enableForegroundDispatch(this, mPendingIntent, null, null);<\/p>\n

“`<\/p>\n

5. **\u5904\u7406NFC\u6807\u7b7e\uff1a**\u5f53\u8bbe\u5907\u68c0\u6d4b\u5230NFC\u6807\u7b7e\u540e\uff0c\u5c06\u89e6\u53d1onNewIntent\u65b9\u6cd5\u3002\u901a\u8fc7\u8be5\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5904\u7406NFC\u6807\u7b7e\u4e0a\u7684\u6570\u636e\u3002<\/p>\n

6. **\u8bfb\u53d6\/\u5199\u5165NFC\u6570\u636e\uff1a**\u6839\u636e\u5177\u4f53\u9700\u6c42\uff0c\u5b9e\u73b0\u8bfb\u53d6\u6216\u5199\u5165NFC\u6807\u7b7e\u7684\u529f\u80fd\u3002\u53ef\u901a\u8fc7NdefMessage\u548cNdefRecord\u7c7b\u6765\u5c01\u88c5\u6570\u636e\u3002<\/p>\n

### \u4e94\u3001\u5c0f\u7ed3<\/p>\n

\u968f\u7740\u79fb\u52a8\u4e92\u8054\u7f51\u7684\u53d1\u5c55\uff0cNFC\u6280\u672f\u4e3a\u6211\u4eec\u5e26\u6765\u4e86\u65b9\u4fbf\u7684\u751f\u6d3b\u4f53\u9a8c\u3002\u638c\u63e1NFC\u6280\u672f\u539f\u7406\u53ca\u5982\u4f55\u5728App\u5f00\u53d1\u4e2d\u5b9e\u73b0NFC\u529f\u80fd\uff0c\u5bf9\u4e8e\u5f00\u53d1\u4eba\u5458\u6765\u8bf4\u662f\u4e00\u9879\u5fc5\u5907\u6280\u80fd\u3002\u7ed3\u5408\u5b9e\u9645\u9700\u6c42\uff0c\u5408\u7406\u8fd0\u7528NFC\u6280\u672f\uff0c\u5c06\u4e3a\u7528\u6237\u5e26\u6765\u66f4\u4f18\u8d28\u7684\u4ea7\u54c1\u4f53\u9a8c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

## NFC\u529f\u80fd\u5728App\u5f00\u53d1\u4e2d\u7684\u5e94\u7528\u53ca\u539f\u7406\u8be6\u89e3\u8fd1\u5e74\u6765\uff0c\u79fb\u52a8\u652f\u4ed8\u3001\u65e0\u94a5\u5319\u95e8\u7981\u3001\u7968\u52a1\u7b49\u9886\u57df\u7684\u65e5\u76ca\u666e\u53ca\uff0c\u8ba9NFC\uff08Near Field Communication\uff09\u6280\u672f\u53d8\u5f97\u8d8a\u6765\u8d8a\u70ed\u95e8\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdNFC<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1789,171,93,1790,140],"topic":[],"class_list":["post-774","post","type-post","status-publish","format-standard","hentry","category-kaifaapp","tag-app","tag-171","tag-93","tag-1790","tag-140"],"_links":{"self":[{"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/posts\/774","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/comments?post=774"}],"version-history":[{"count":0,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/posts\/774\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/media?parent=774"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/categories?post=774"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/tags?post=774"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/topic?post=774"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}