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在 menifest中定义
<intent-filter>
<action android:name="android.nfc.action.TAG_DISCOVERED" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
<meta-data
android:name="android.nfc.action.TECH_DISCOVERED"
android:resource="@xml/nfc_tech_filter" />
在xml中定义
<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2"> <tech-list> <tech>android.nfc.tech.MifareUltralight</tech> <tech>android.nfc.tech.Ndef</tech> <tech>android.nfc.tech.NfcA</tech> </tech-list> <tech-list> <tech>android.nfc.tech.MifareClassic</tech> <tech>android.nfc.tech.Ndef</tech> <tech>android.nfc.tech.NfcA</tech> </tech-list> <tech-list> <tech>android.nfc.tech.IsoDep</tech> <tech>android.nfc.tech.NfcA</tech> <tech>android.nfc.tech.NfcB</tech> <tech>android.nfc.tech.NfcF</tech> </tech-list> </resources>
MifareUltralight，MifareClassic，IsoDep不同时并存，所以要分开写。
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原文地址：http://www.cnblogs.com/hhudata/p/4772792.html
