private void enableNfc() {
if (android.os.Build.VERSION.SDK_INT >= 14) {
// Check for available NFC Adapter
mNfcAdapter = NfcAdapter.getDefaultAdapter(this);
if (mNfcAdapter == null) {
// NFC is not available on this device
} else {
if (!(mNfcAdapter.isEnabled() && mNfcAdapter.isNdefPushEnabled())) {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder
.setMessage(R.string.nfc_activate_required_services)
.setTitle(R.string.message_activate_nfc)
.setPositiveButton(
R.string.yes,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
Toast.makeText(
getApplicationContext(),
getString(R.string.message_activate_nfc),
Toast.LENGTH_LONG)
.show();
startActivity(new Intent(android.provider.Settings.ACTION_WIRELESS_SETTINGS));
}
})
.setNegativeButton(
R.string.no,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {}
})
.create()
.show();
}
}
}
}
private String initNfcAdapter(NfcAdapter adapter) {
StringBuilder sb = new StringBuilder();
// nfc 功能是否开启
if (nfcAdapter == null) {
sb.append("支持NFC功能:" + false + "\n");
return sb.toString();
} else {
sb.append("支持NFC功能:" + true + "\n");
}
isNfcEnable = nfcAdapter.isEnabled();
sb.append("NFC是否开启:" + isNfcEnable + "\n");
isNdefPushEnabled = nfcAdapter.isNdefPushEnabled();
sb.append("Android Beam是否开启：" + isNdefPushEnabled + "\n");
nfcAdapter.setNdefPushMessageCallback(this, this);
nfcAdapter.setOnNdefPushCompleteCallback(this, this);
return sb.toString();
}