Description: Create an object that contains ready to push NdefMessage NdefRecord another device
Call setNdefPushMessageCallback method call setNdefPushMessage with NdefMessage type parameter () method, or in the Activity onCreate () method to pass an object to achieve NfcAdapter.CreateNdefMessageCallback interface. Both methods require at least one preparation to enable Android Beam of Activity, and an optional list of other active Activity.
Generally, if your Activity at any time to push the same value NDEF messages, then when the two devices within communication range when using setNdefPushMessage () on it. When your application is going to focus on the current contents of the application, and you want the user behavior in your application to push NDEF message, then use setNdefPushMessageCallback methods.
NfcAdapter.CreateNdefMessageCallback method invocation following sample code demonstrates how the activity s onCreate () method (complete example, see AndroidBeamDemo). This example also help
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usb\ntmap.inf
...\usbstor.inf
...\ntmap.sys
...\usbstor.sys
...\ntmap.cat
...\ntmaphlp.pdr
usb
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