[C#/MAUI/.NET6] IFilePicker 인터페이스 : PickAsync 메소드를 사용해 파일 선택하기

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.READ_EXTERNAL_STORAGE" />
</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">
    <StackLayout
        HorizontalOptions="Center"
        VerticalOptions="Center"
        Spacing="10">
        <Frame
            HorizontalOptions="Center"
            WidthRequest="300"
            HeightRequest="300"
            BorderColor="Blue"
            Background="White"
            HasShadow="True">
            <Image x:Name="image"
                Aspect="AspectFit" />
        </Frame>
        <Button x:Name="selectImageFileButton"
            HorizontalOptions="Center"
            Text="이미지 파일 선택하기" />
    </StackLayout>
</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.selectImageFileButton.Clicked += selectImageFileButton_Clicked;
    }

    #endregion

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

    #region 이미지 파일 선택하기 버튼 클릭시 처리하기 - selectImageFileButton_Clicked(sender, e)

    /// <summary>
    /// 이미지 파일 선택하기 버튼 클릭시 처리하기
    /// </summary>
    /// <param name="sender">이벤트 발생자</param>
    /// <param name="e">이벤트 인자</param>
    private async void selectImageFileButton_Clicked(object sender, EventArgs e)
    {
        FileResult result = await FilePicker.Default.PickAsync(PickOptions.Images);

        if(result != null)
        {
            string fileExtension = result.FileName.Substring(result.FileName.LastIndexOf('.'));

            if(fileExtension == ".jpg" || fileExtension == ".jpeg" || fileExtension == ".png")
            {
                Stream stream = await result.OpenReadAsync();

                ImageSource imageSource = ImageSource.FromStream(() => stream);

                this.image.Source = imageSource;
            }
        }
    }

    #endregion
}

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