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Migration to BleManager 2.6 #78

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merged 1 commit into from Jan 11, 2023
Merged

Migration to BleManager 2.6 #78

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115 changes: 54 additions & 61 deletions blinky/ble/src/main/java/no/nordicsemi/android/blinky/ble/BlinkyManager.kt
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Expand Up @@ -86,10 +86,6 @@ private class BlinkyManagerImpl(
_ledState.value = state _ledState.value = state
} }


override fun getGattCallback(): BleManagerGattCallback {
return BlinkyManagerGattCallback()
}

override fun log(priority: Int, message: String) { override fun log(priority: Int, message: String) {
Timber.log(priority, message) Timber.log(priority, message)
} }
Expand All @@ -100,76 +96,73 @@ private class BlinkyManagerImpl(
return Log.VERBOSE return Log.VERBOSE
} }


private inner class BlinkyManagerGattCallback: BleManagerGattCallback() { private val buttonCallback by lazy {

object : ButtonCallback() {
private val buttonCallback by lazy { override fun onButtonStateChanged(device: BluetoothDevice, state: Boolean) {
object : ButtonCallback() { _buttonState.tryEmit(state)
override fun onButtonStateChanged(device: BluetoothDevice, state: Boolean) {
_buttonState.tryEmit(state)
}
} }
} }
}


private val ledCallback by lazy { private val ledCallback by lazy {
object : LedCallback() { object : LedCallback() {
override fun onLedStateChanged(device: BluetoothDevice, state: Boolean) { override fun onLedStateChanged(device: BluetoothDevice, state: Boolean) {
_ledState.tryEmit(state) _ledState.tryEmit(state)
}
} }
} }
}


override fun isRequiredServiceSupported(gatt: BluetoothGatt): Boolean { override fun isRequiredServiceSupported(gatt: BluetoothGatt): Boolean {
// Get the LBS Service from the gatt object. // Get the LBS Service from the gatt object.
gatt.getService(BlinkySpec.BLINKY_SERVICE_UUID)?.apply { gatt.getService(BlinkySpec.BLINKY_SERVICE_UUID)?.apply {
// Get the LED characteristic. // Get the LED characteristic.
ledCharacteristic = getCharacteristic( ledCharacteristic = getCharacteristic(
BlinkySpec.BLINKY_LED_CHARACTERISTIC_UUID, BlinkySpec.BLINKY_LED_CHARACTERISTIC_UUID,
// Mind, that below we pass required properties. // Mind, that below we pass required properties.
// If your implementation supports only WRITE_NO_RESPONSE, // If your implementation supports only WRITE_NO_RESPONSE,
// change the property to BluetoothGattCharacteristic.PROPERTY_WRITE_NO_RESPONSE. // change the property to BluetoothGattCharacteristic.PROPERTY_WRITE_NO_RESPONSE.
BluetoothGattCharacteristic.PROPERTY_WRITE BluetoothGattCharacteristic.PROPERTY_WRITE
) )
// Get the Button characteristic. // Get the Button characteristic.
buttonCharacteristic = getCharacteristic( buttonCharacteristic = getCharacteristic(
BlinkySpec.BLINKY_BUTTON_CHARACTERISTIC_UUID, BlinkySpec.BLINKY_BUTTON_CHARACTERISTIC_UUID,
BluetoothGattCharacteristic.PROPERTY_NOTIFY BluetoothGattCharacteristic.PROPERTY_NOTIFY
) )


// Return true if all required characteristics are supported. // Return true if all required characteristics are supported.
return ledCharacteristic != null && buttonCharacteristic != null return ledCharacteristic != null && buttonCharacteristic != null
}
return false
} }
return false
}


@OptIn(ExperimentalCoroutinesApi::class) @OptIn(ExperimentalCoroutinesApi::class)
override fun initialize() { override fun initialize() {
// Enable notifications for the button characteristic. // Enable notifications for the button characteristic.
val flow: Flow<ButtonState> = setNotificationCallback(buttonCharacteristic) val flow: Flow<ButtonState> = setNotificationCallback(buttonCharacteristic)
.asValidResponseFlow() .asValidResponseFlow()


// Forward the button state to the buttonState flow. // Forward the button state to the buttonState flow.
scope.launch { scope.launch {
flow.map { it.state }.collect { _buttonState.tryEmit(it) } flow.map { it.state }.collect { _buttonState.tryEmit(it) }
} }


enableNotifications(buttonCharacteristic) enableNotifications(buttonCharacteristic)
.enqueue() .enqueue()


// Read the initial value of the button characteristic. // Read the initial value of the button characteristic.
readCharacteristic(buttonCharacteristic) readCharacteristic(buttonCharacteristic)
.with(buttonCallback) .with(buttonCallback)
.enqueue() .enqueue()


// Read the initial value of the LED characteristic. // Read the initial value of the LED characteristic.
readCharacteristic(ledCharacteristic) readCharacteristic(ledCharacteristic)
.with(ledCallback) .with(ledCallback)
.enqueue() .enqueue()
} }


override fun onServicesInvalidated() { override fun onServicesInvalidated() {
ledCharacteristic = null ledCharacteristic = null
buttonCharacteristic = null buttonCharacteristic = null
}
} }


} }
2 changes: 1 addition & 1 deletion settings.gradle.kts
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Expand Up @@ -16,7 +16,7 @@ dependencyResolutionManagement {
} }
versionCatalogs { versionCatalogs {
create("libs") { create("libs") {
from("no.nordicsemi.android.gradle:version-catalog:1.1.3") from("no.nordicsemi.android.gradle:version-catalog:1.2.1")
} }
} }
} }
Expand Down