![]() If the status is On, the application should avoid background processing or other activities that may consume a lot of power. The energy-saver status of the device can be read by accessing the EnergySaverStatus property, which is either On, Off, or Unknown. Applications can help by avoiding background processing or other high-power activities when energy-saver mode is on.Īpplications should avoid background processing if the device's energy-saver status is on. The operating system responds to energy-saver mode by reducing activities that tend to deplete the battery. ![]() Sometimes devices are switched into this mode automatically, like when the battery drops below 20% capacity. Private void Battery_BatteryInfoChanged(object sender, BatteryInfoChangedEventArgs e)īatteryState.Charging => "Battery is currently charging",īatteryState.Discharging => "Charger is not connected and the battery is discharging",īatteryState.NotCharging => "The battery isn't charging.",īatteryState.NotPresent => "Battery is not available.",īatteryState.Unknown => "Battery is unknown",īatteryLevelLabel.Text = $"Battery is % charged." ĭevices that run on batteries can be put into a low-power energy-saver mode. The following example demonstrates how to use the monitor the BatteryInfoChanged event and report the battery status to Label controls: private void BatterySwitch_Toggled(object sender, ToggledEventArgs e) =>ī += Battery_BatteryInfoChanged ī -= Battery_BatteryInfoChanged The BatteryInfoChanged event is also available, and is raised when the state of the battery changes. The ChargeLevel property returns a value between 0.0 and 1.0, indicating the battery's charge level from empty to full, respectively. This interface defines various properties to provide information about the state of the battery, such as ChargeLevel to read how much battery is left. The battery status can be checked by accessing the Battery.Default property, which is the default implementation of the IBattery interface. This will automatically update the AndroidManifest.xml file. Then, under Required permissions check the BATTERY_STATS permission. In Visual Studio double-click on the Platforms/Android/AndroidManifest.xml file to open the Android manifest editor. Update the Android Manifest in the manifest editor: ![]() Open the Platforms/Android/AndroidManifest.xml file and add the following line in the manifest node: Open the Platforms/Android/MainApplication.cs file and add the following assembly attribute after using directives: You can configure the permission in the following ways: The BatteryStats permission is required and must be configured in the Android project.
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