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Android-DFU-Library
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Fix a bug in DFU service when there is no Service Changed indication and 

the device is bonded.
This commit is contained in:
Aleksander Nowakowski 2014-12-16 11:38:04 +01:00
parent 7d96ad3b9d
commit 73bc9eb51a
1 changed files with 6 additions and 3 deletions
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9
src/no/nordicsemi/android/dfu/DfuBaseService.java
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@ -1085,11 +1085,13 @@ public abstract class DfuBaseService extends IntentService {
* we are in the bootloader or application by simply checking the number of characteristics.
*/
if (version == 1 || (version == 0 && gatt.getServices().size() > 3 /* No DFU Version char but more services than Generic Access, Generic Attribute, DFU Service */)) {
// the service is connected to the application, not to the bootloader
// The service is connected to the application, not to the bootloader
logw("Application with buttonless update found");
sendLogBroadcast(Level.WARNING, "Application with buttonless update found");
// if we are bonded we may want to enable Service Changed characteristic indications
// If we are bonded we may want to enable Service Changed characteristic indications.
// Note: This feature will be introduced in the SDK 8.0 as this is the proper way to refresh attribute list on the phone.
boolean hasServiceChanged = false;
if (gatt.getDevice().getBondState() == BluetoothDevice.BOND_BONDED) {
final BluetoothGattService genericAttributeService = gatt.getService(GENERIC_ATTRIBUTE_SERVICE_UUID);
if (genericAttributeService != null) {
@ -1097,6 +1099,7 @@ public abstract class DfuBaseService extends IntentService {
if (serviceChangedCharacteristic != null) {
enableCCCD(gatt, serviceChangedCharacteristic, INDICATIONS);
sendLogBroadcast(Level.APPLICATION, "Service Changed indications enabled");
hasServiceChanged = true;
}
}
}
@ -1131,7 +1134,7 @@ public abstract class DfuBaseService extends IntentService {
* However, as up to Android 5 the system does NOT respect this requirement and servers are cached for every device, even if Service Changed is enabled -> Android BUG?
* For bonded devices Android performs service re-discovery when SC indication is received.
*/
refreshDeviceCache(gatt, false);
refreshDeviceCache(gatt, !hasServiceChanged);
// Close the device
close(gatt);