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<Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto" />
            <RowDefinition Height="Auto" />
            <RowDefinition Height="Auto" />
            <RowDefinition Height="Auto" />
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="Auto" />
            <ColumnDefinition Width="*" />

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天気API

Current weather data - OpenWeatherMap

位置情報

Xamarin.Essentials:位置情報 - Xamarin | Microsoft Docs

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package com.xlsoft.kudanar

import android.graphics.Bitmap
import android.graphics.BitmapFactory
import android.os.AsyncTask
import android.os.Bundle
import android.util.Log
import eu.kudan.kudan.*
import java.io.*
import java.lang.Exception

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Snippet for CustomRenderer

Xamarin.Forms / NakayokunaruHandsOn.xaml.cs

public App()
{
    InitializeComponent();

    var rootPage = new ContentPage();

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SIMPLE: CMake Error: CMAKE_C_COMPILER not set, after EnableLanguage
SIMPLE: CMake Error: CMAKE_CXX_COMPILER not set, after EnableLanguage

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<ScrollView Padding="8">
    <StackLayout>
        <svg:SvgImage SvgPath="{Binding AppStorePath}"
                        SvgAssembly="{Binding SvgAssembly}"
                        WidthRequest="135"
                        HeightRequest="40"
                        HorizontalOptions="Center"/>
        <svg:SvgImage SvgPath="{Binding CoolMaskPath}"
                        SvgAssembly="{Binding SvgAssembly}"
                        WidthRequest="100"

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public Assembly SvgAssembly
{
    get { return typeof(App).GetTypeInfo().Assembly; }
}

public string AppStorePath
{
    get { return "SvgSample.Resources.AppStore.svg"; }
}
public string CoolMaskPath

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var appStore = new SvgImage
{
    SvgPath = "SvgSample.Resources.AppStore.svg",
    SvgAssembly = typeof(App).GetTypeInfo().Assembly,
    WidthRequest = 135,
    HeightRequest = 40,
    HorizontalOptions = LayoutOptions.Center
};
var coolMask = new SvgImage
{

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var stack = new StackLayout
{
    Children =
    {
        new BoxView
        {
            HeightRequest = 100,
            BackgroundColor = Color.FromHex("cccccc")
        },
        new BoxView

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<StackLayout>
  <BoxView HeightRequest="100"
           BackgroundColor="#cccccc"/>
  <BoxView HeightRequest="50"
           BackgroundColor="#ffaaaa"
           VerticalOptions="EndAndExpand"/>
  <BoxView HeightRequest="50"
           BackgroundColor="#aaffaa"
           VerticalOptions="CenterAndExpand"/>
  <BoxView HeightRequest="50"