![]() A developer could show a notification or widget with the exact percent, for instance. ![]() I made a toggle button called scanBluetooth for this so that when the device is scanning, the button will be toggled on, and when the scan is over, the button will be toggled off automatically. Hence this means that it's possible for the battery level to be shown in a way that is more informative than a simple bar. When the application starts, the user will usually have to press to scan for the Bluetooth devices in the surrounding areas. According to the source code, this returns a value between 0 and 100 (or -1 if Bluetooth is disabled, the device is disconnected, or does not support reporting its battery level). Add tests for updateBatteryLevel() and resetBatteryLevel()įrom this, we can see that Google will add a new method in the BluetoothDevice class called getBatteryLevel() which will retrieve the current battery level of a connected device when called.Reset battery level for device when device is disconnected in aclStateChangeCallback() to ensure a BATTERY_LEVEL_CHANGED intent when device first report battery level information after connection Bluetooth Device Battery Percentage Monitor allows you to read the battery level of Bluetooth devices like Bluetooth headsets, headphones, speakers and.Add resetBatteryLevel() method in RemoteDevices.Add updateBatteryLevel() method in RemoteDevices.Add battery level field in DeviceProperties with getters and setters.Add backend service methods for BluetoothDevice.getBatteryLevel().Add BluetoothDevice.ACTION_BATTERY_LEVEL_CHANGED intent to notify user that remote device's battery level has changed.Add BluetoothDevice.getBatteryLevel() API to retreive battery level information of remote device.Add APIs to get remote device's battery level
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