Easy Tag Write(2)

  1 package skyseraph.android.util.nfc;
  2 
  3 import com.google.common.collect.BiMap;
  4 import com.google.common.collect.ImmutableBiMap;
  5 
  6 import skyseraph.android.util.LogUtil;
  7 import skyseraph.android.util.MyConstant;
  8 
  9 import android.annotation.SuppressLint;
 10 import android.net.Uri;
 11 import android.nfc.NdefMessage;
 12 import android.nfc.NdefRecord;
 13 
 14 import java.nio.charset.Charset;
 15 import java.util.Locale;
 16 
 17 /**
 18  * @Title ：BobNdefMessage.java
 19  * @Package ：skyseraph.android.util.nfc
 20  * @ClassName : BobNdefMessage
 21  * @Description ：Custom Class For NdefMessage
 22  * @author ： skyseraph00@163.com
 23  * @date ： 2013-5-13 上午11:14:51
 24  * @version ： V1.0 《Android NFC 开发实战详解》
 25  */
 26 public class BobNdefMessage {
 27     private static final String TAG_ASSIST = "[BobNdefMessage]-";
 28 
 29     /**
 30      * @About:create a TNF_WELL_KNOW NDEF record as RTD_URI
 31      * @param uriFiledStr , The rest of the URI, or the entire URI (if
 32      *            identifier code is 0x00).
 33      * @param identifierCode = prefixes(URI identifier code), 0x01=http://www.
 34      *            ,0x02=https://www. , 0x03=http://
 35      * @param flagAddAAR, true means add AAR
 36      * @return NdefMessage
 37      * @Ref: NFCForum-TS-RTD_URI_1.0
 38      * @By SkySeraph-2013
 39      */
 40     public static NdefMessage getNdefMsg_from_RTD_URI(String uriFiledStr, byte identifierCode,
 41             boolean flagAddAAR) {
 42         LogUtil.i(MyConstant.TAG, TAG_ASSIST + "into getNdefMsg_from_RTD_URI");
 43         byte[] uriField = uriFiledStr.getBytes(Charset.forName("US-ASCII"));
 44         byte[] payLoad = new byte[uriField.length + 1]; // add 1 for the URI
 45                                                         // Prefix
 46         payLoad[0] = identifierCode; // 0x01 = prefixes http://www. to the URI
 47         // appends URI to payload
 48         System.arraycopy(uriField, 0, payLoad, 1, uriField.length);
 49 
 50         // Method1:
 51         NdefRecord rtdUriRecord1 = new NdefRecord(NdefRecord.TNF_WELL_KNOWN, NdefRecord.RTD_URI,
 52                 new byte[0], payLoad);
 53 
 54         // Method2:only in API 14
 55         String prefix = URI_PREFIX_MAP.get(identifierCode);
 56         NdefRecord rtdUriRecord2 = NdefRecord.createUri(prefix + uriFiledStr);
 57 
 58         // Method3:only in API 14
 59         NdefRecord rtdUriRecord3 = NdefRecord.createUri(Uri.parse(prefix + uriFiledStr));
 60 
 61         if (flagAddAAR) {
 62             // note: returns AAR for different app (nfcreadtag)
 63             return new NdefMessage(new NdefRecord[] {
 64                     rtdUriRecord1, NdefRecord.createApplicationRecord("skyseraph.nfc_demo")
 65             }); // packageName
 66         } else {
 67             return new NdefMessage(new NdefRecord[] {
 68                 rtdUriRecord1
 69             });
 70         }
 71     }
 72 
 73     /**
 74      * @About:create a TNF_WELL_KNOW NDEF record as RTD_TEXT
 75      * @param text , the really text data
 76      * @param encodeInUtf8 , false means TEXT encoded by UTF-8
 77      * @param flagAddAAR , true means add AAR
 78      * @return NdefMessage
 79      * @Ref: NFCForum-TS-RTD_Text_1.0
 80      * @By SkySeraph-2013
 81      */
 82     public static NdefMessage getNdefMsg_from_RTD_TEXT(String text, boolean encodeInUtf8,
 83             boolean flagAddAAR) {
 84         LogUtil.i(MyConstant.TAG, TAG_ASSIST + "into getNdefMsg_from_RTD_TEXT");
 85 
 86         Locale locale = new Locale("en", "US"); // a new Locale is created with
 87                                                 // US English.
 88         byte[] langBytes = locale.getLanguage().getBytes(Charset.forName("US-ASCII"));
 89         // boolean encodeInUtf8 = false;
 90         Charset utfEncoding = encodeInUtf8 ? Charset.forName("UTF-8") : Charset.forName("UTF-16");
 91         int utfBit = encodeInUtf8 ? 0 : (1 << 7);
 92         char status = (char)(utfBit + langBytes.length);
 93         // String text = "This is an RTD_TEXT exp";
 94         byte[] textBytes = text.getBytes(utfEncoding);
 95         byte[] data = new byte[1 + langBytes.length + textBytes.length];
 96         data[0] = (byte)status;
 97         System.arraycopy(langBytes, 0, data, 1, langBytes.length);
 98         System.arraycopy(textBytes, 0, data, 1 + langBytes.length, textBytes.length);
 99         NdefRecord textRecord = new NdefRecord(NdefRecord.TNF_WELL_KNOWN, NdefRecord.RTD_TEXT,
100                 new byte[0], data);
101 
102         if (flagAddAAR) {
103             // note: returns AAR for different app (nfcreadtag)
104             return new NdefMessage(new NdefRecord[] {
105                     textRecord, NdefRecord.createApplicationRecord("skyseraph.nfc_demo")
106             });
107         } else {
108             return new NdefMessage(new NdefRecord[] {
109                 textRecord
110             });
111         }
112     }
113 
114     /**
115      * @About: create a TNF_ABSOLUTE_URI NDEF record
116      * @param absoluteUri ,the absolute Uri
117      * @param flagAddAAR , true means add AAR
118      * @return NdefMessage
119      * @Note: TNF_ABSOLUTE_URI indicates the absolute form of a URI that follows
120      *        the absolute-URI rule defined by RFC 3986
121      * @Note: Recommend that you use the RTD_URI type instead of
122      *        TNF_ABSOLUTE_URI, because it is more efficient
123      * @By SkySeraph-2013
124      */
125     public static NdefMessage getNdefMsg_from_ABSOLUTE_URI(String absoluteUri, boolean flagAddAAR) {
126         LogUtil.i(MyConstant.TAG, TAG_ASSIST + "into getNdefMsg_from_ABSOLUTE_URI");
127         // String absoluteUri = "http://developer.android.com/index.html";
128         byte[] absoluteUriBytes = absoluteUri.getBytes(Charset.forName("US-ASCII"));
129         NdefRecord uriRecord = new NdefRecord(NdefRecord.TNF_ABSOLUTE_URI, absoluteUriBytes,
130                 new byte[0], new byte[0]);
131         if (flagAddAAR) {
132             // note: returns AAR for different app (nfcreadtag)
133             return new NdefMessage(new NdefRecord[] {
134                     uriRecord, NdefRecord.createApplicationRecord("skyseraph.nfc_demo")
135             });
136         } else {
137             return new NdefMessage(new NdefRecord[] {
138                 uriRecord
139             });
140         }
141     }
142 
143     /**
144      * @About:create a TNF_MIME_MEDIA NDEF record
145      * @param payLoad,the MIME data
146      * @param mimeType,the MIME Type
147      * @param flagAddAAR, true means add AAR
148      * @return NdefMessage
149      * @By SkySeraph-2013
150      */
151     @SuppressLint("NewApi")
152     public static NdefMessage getNdefMsg_from_MIME_MEDIA(String payLoad, String mimeType,
153             boolean flagAddAAR) {
154         LogUtil.i(MyConstant.TAG, TAG_ASSIST + "into getNdefMsg_from_MIME_MEDIA");
155         byte[] payLoadBytes = payLoad.getBytes(Charset.forName("US-ASCII"));
156         // String mimeType = "application/skyseraph.nfc_demo";
157 
158         // method1:Creating the NdefRecord manually
159         NdefRecord mimeRecord1 = new NdefRecord(NdefRecord.TNF_MIME_MEDIA,
160                 mimeType.getBytes(Charset.forName("US-ASCII")), new byte[0], payLoadBytes);
161         // the identfier of the record is given as 0, since it will be the first
162         // record in the NdefMessage
163 
164         // method2:Using the createMime() method, in API-16
165         NdefRecord mimeRecord2 = NdefRecord.createMime(mimeType, payLoadBytes);
166 
167         if (flagAddAAR) {
168             // note: returns AAR for different app (nfcreadtag)
169             return new NdefMessage(new NdefRecord[] {
170                     mimeRecord1, NdefRecord.createApplicationRecord("skyseraph.nfc_demo")
171             });
172         } else {
173             return new NdefMessage(new NdefRecord[] {
174                 mimeRecord1
175             });
176         }
177     }
178 
179     /**
180      * @About:create a TNF_EXTERNAL_TYPE NDEF record
181      * @param payLoad,the EXTERNAL data
182      * @param flagAddAAR, true means add AAR
183      * @return NdefMessage
184      * @By SkySeraph-2013
185      */
186     @SuppressLint("NewApi")
187     public static NdefMessage getNdefMsg_from_EXTERNAL_TYPE(String payLoad, boolean flagAddAAR) {
188         LogUtil.i(MyConstant.TAG, TAG_ASSIST + "into getNdefMsg_from_EXTERNAL_TYPE");
189         byte[] payLoadBytes = payLoad.getBytes();
190         String domain = "skyseraph.nfc_demo"; // usually your app‘s package name
191         String type = "externalType";
192         String externalType = domain + ":" + type;
193 
194         // method1:Creating the NdefRecord manually
195         NdefRecord exteralRecord1 = new NdefRecord(NdefRecord.TNF_EXTERNAL_TYPE,
196                 externalType.getBytes(), new byte[0], payLoadBytes);
197 
198         // method2:Using the createExternal() method, in API-16
199         NdefRecord exteralRecord2 = NdefRecord.createExternal(domain, type, payLoadBytes);
200 
201         if (flagAddAAR) {
202             // note: returns AAR for different app (nfcreadtag)
203             return new NdefMessage(new NdefRecord[] {
204                     exteralRecord1, NdefRecord.createApplicationRecord("skyseraph.nfc_demo")
205             });
206         } else {
207             return new NdefMessage(new NdefRecord[] {
208                 exteralRecord1
209             });
210         }
211     }
212 
213     /**
214      * checkSystemVersion()
215      */
216     private boolean flagVersion = false;
217 
218     private void checkSystemVersion() {
219         // TODO Auto-generated method stub
220         // if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN)
221 
222         LogUtil.i(MyConstant.TAG, TAG_ASSIST + "Product Model=" + android.os.Build.MODEL + ", "
223                 + android.os.Build.VERSION.SDK + ", " + android.os.Build.VERSION.RELEASE);
224         String systemModel;
225         String releaseVersion;
226         String sdkVersion;
227         systemModel = android.os.Build.MODEL;
228         sdkVersion = android.os.Build.VERSION.SDK;
229         releaseVersion = android.os.Build.VERSION.RELEASE;
230         if (Integer.parseInt(sdkVersion) > 15) {
231             flagVersion = true;
232         } else {
233             flagVersion = false;
234             LogUtil.e(MyConstant.TAG, TAG_ASSIST + "Your android system version is low to API-16");
235         }
236     }
237 
238     /**
239      * NFC Forum "URI Record Type Definition" This is a mapping of
240      * "URI Identifier Codes" to URI string prefixes, per section 3.2.2 of the
241      * NFC Forum URI Record Type Definition document.
242      */
243     private static final BiMap<Byte, String> URI_PREFIX_MAP = ImmutableBiMap
244             .<Byte, String> builder().put((byte)0x00, "").put((byte)0x01, "http://www.")
245             .put((byte)0x02, "https://www.").put((byte)0x03, "http://").put((byte)0x04, "https://")
246             .put((byte)0x05, "tel:").put((byte)0x06, "mailto:")
247             .put((byte)0x07, "ftp://anonymous:anonymous@").put((byte)0x08, "ftp://ftp.")
248             .put((byte)0x09, "ftps://").put((byte)0x0A, "sftp://").put((byte)0x0B, "smb://")
249             .put((byte)0x0C, "nfs://").put((byte)0x0D, "ftp://").put((byte)0x0E, "dav://")
250             .put((byte)0x0F, "news:").put((byte)0x10, "telnet://").put((byte)0x11, "imap:")
251             .put((byte)0x12, "rtsp://").put((byte)0x13, "urn:").put((byte)0x14, "pop:")
252             .put((byte)0x15, "sip:").put((byte)0x16, "sips:").put((byte)0x17, "tftp:")
253             .put((byte)0x18, "btspp://").put((byte)0x19, "btl2cap://").put((byte)0x1A, "btgoep://")
254             .put((byte)0x1B, "tcpobex://").put((byte)0x1C, "irdaobex://")
255             .put((byte)0x1D, "file://").put((byte)0x1E, "urn:epc:id:")
256             .put((byte)0x1F, "urn:epc:tag:").put((byte)0x20, "urn:epc:pat:")
257             .put((byte)0x21, "urn:epc:raw:").put((byte)0x22, "urn:epc:")
258             .put((byte)0x23, "urn:nfc:").build();
259 }