첨부 실행 코드는 나눔고딕코딩 폰트를 사용합니다.
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TestProject.zip
0.15MB

▶ Platforms/Android/AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android">
    <application android:allowBackup="true" android:icon="@mipmap/appicon" android:roundIcon="@mipmap/appicon_round" android:supportsRtl="true"></application>
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <uses-permission android:name="android.permission.BATTERY_STATS" />
</manifest>

 

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▶ MainPage.xaml

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage x:Class="TestProject.MainPage"
    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml">
    <Grid
        HorizontalOptions="Center"
        VerticalOptions="Center"
        RowDefinitions="Auto,10,Auto,10,Auto"
        ColumnDefinitions="Auto,10,Auto">
        <Label Grid.Row="0" Grid.Column="0"
            VerticalOptions="Center"
            TextColor="Black"
            FontSize="24"
            FontAttributes="Bold"
            Text="배터리 전원" />
        <Label x:Name="batteryPowerSourceValueLabel" Grid.Row="0" Grid.Column="2"
            VerticalOptions="Center"
            FontSize="24"
            Text="" />
        <Label Grid.Row="2" Grid.Column="0"
            VerticalOptions="Center"
            TextColor="Black"
            FontSize="24"
            FontAttributes="Bold"
            Text="배터리 상태" />
        <Label x:Name="batteryStateValueLabel" Grid.Row="2" Grid.Column="2"
            VerticalOptions="Center"
            FontSize="24"
            Text="" />
        <Label Grid.Row="4" Grid.Column="0"
            VerticalOptions="Center"
            TextColor="Black"
            FontSize="24"
            FontAttributes="Bold"
            Text="배터리 레벨" />
        <Label x:Name="batteryLevelValueLabel" Grid.Row="4" Grid.Column="2"
            VerticalOptions="Center"
            FontSize="24"
            Text="" />
    </Grid>
</ContentPage>

 

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▶ MainPage.xaml.cs

namespace TestProject;

/// <summary>
/// 메인 페이지
/// </summary>
public partial class MainPage : ContentPage
{
    //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
    ////////////////////////////////////////////////////////////////////////////////////////// Public

    #region 생성자 - MainPage()

    /// <summary>
    /// 생성자
    /// </summary>
    public MainPage()
    {
        InitializeComponent();

        this.batteryPowerSourceValueLabel.Text = Battery.Default.PowerSource.ToString();
        this.batteryStateValueLabel.Text       = Battery.Default.State.ToString();
        this.batteryLevelValueLabel.Text       = Battery.Default.ChargeLevel.ToString();

        Battery.Default.BatteryInfoChanged += battery_BatteryInfoChanged;
    }

    #endregion

    //////////////////////////////////////////////////////////////////////////////////////////////////// Method
    ////////////////////////////////////////////////////////////////////////////////////////// Private

    #region 배터리 배터리 정보 변경시 처리하기 - battery_BatteryInfoChanged(sender, e)

    /// <summary>
    /// 배터리 배터리 정보 변경시 처리하기
    /// </summary>
    /// <param name="sender">이벤트 발생자</param>
    /// <param name="e">이벤트 인자</param>
    private void battery_BatteryInfoChanged(object sender, BatteryInfoChangedEventArgs e)
    {
        this.batteryPowerSourceValueLabel.Text = e.PowerSource.ToString();

        this.batteryStateValueLabel.Text = e.State.ToString();

        this.batteryLevelValueLabel.Text = e.ChargeLevel.ToString();
    }

    #endregion
}
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