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#### 本章主要内容: * 介绍NFC基础知识; * 介绍Android中NFC实现。 #### 本章所涉及的源代码文件名及位置 * ForegroundDispatch.java ~~~ development/samples/ApiDemos/src/com/example/android/apis/nfc/ForegroundDispatch.java ~~~ * Beam.java   ~~~ development/samples/AndroidBeamDemo/src/com/example/android/beam/Beam.java ~~~ * NfcService.java  ~~~ packages/apps/Nfc/src/com/android/nfc/NfcService.java ~~~ * P2pLinkManager.java  ~~~ packages/apps/Nfc/src/com/android/nfc/P2pLinkManager.java ~~~ * NativeNfcManager.java   ~~~ packages/apps/Nfc/nxp/src/com/android/nfc/dhimpl/NativeNfcManager.java ~~~ * P2pEventManager.java  ~~~ packages/apps/Nfc/src/com/android/nfc/P2pEventManager.java ~~~ * SnepServer.java ~~~ packages/apps/Nfc/src/com/android/nfc/SnepServer.java ~~~ * NfcDispatcher.java  ~~~ packages/apps/Nfc/src/com/android/nfc/NfcDispatcher.java ~~~ * SendUi.java  ~~~ packages/apps/Nfc/src/com/android/nfc/SendUi.java ~~~ * SnepClient.java ~~~ packages/apps/Nfc/src/com/android/nfc/SnepClient.java ~~~