Hi, I developing NFC function now, I discover the NFC jni source code
different from Android 2.3.7 to Android 4.0.4.
Those different caused NFC function PBtF(Power By the Field) can not work.
Would you please help to answer that modify for what purpose?
And how to turn on the NFC PBtf function in Android 4.0.4?
YaoTsu LIn
The source code show on following.
/packages/apps/Nfc/jni/com_android_nfc_NativeNfcManager.cpp
*In function "com_android_nfc_NfcManager_doSelectSecureElement"*
/*Android 2.3.7 code base*/
ret = phLibNfc_SE_SetMode(seID, phLibNfc_SE_ActModeVirtual,
nfc_jni_se_set_mode_callback,
(void *)&cb_data);
/* Android 4.0.4 code base*/
if(seID == 0xABCDF0)
{
TRACE("Select UICC");
ret = phLibNfc_SE_SetMode(seID, phLibNfc_SE_ActModeVirtual,
nfc_jni_se_set_mode_callback,
(void *)&cb_data);
}
else
{
TRACE("Select SMX");
ret = phLibNfc_SE_SetMode(seID, phLibNfc_SE_ActModeVirtualVolatile,
nfc_jni_se_set_mode_callback,
(void *)&cb_data);
}
*In function "com_android_nfc_NfcManager_doDeselectSecureElement"*
/*Android 2.3.7 code base*/
ret = phLibNfc_SE_SetMode(seID, phLibNfc_SE_ActModeOff,
nfc_jni_se_set_mode_callback, (void *)&cb_data);
/* Android 4.0.4 code base*/
if(seID == 0xABCDF0)
{
TRACE("Deselect UICC");
ret = phLibNfc_SE_SetMode(seID, phLibNfc_SE_ActModeOff,
nfc_jni_se_set_mode_callback, (void *)&cb_data);
}
else
{
TRACE("Deselect SMX");
ret = phLibNfc_SE_SetMode(seID, phLibNfc_SE_ActModeDefault,
nfc_jni_se_set_mode_callback, (void *)&cb_data);
}
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