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<?xml version="1.0" encoding="utf-8"?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms" 
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" 
             xmlns:local="clr-namespace:DataTriggersFormsSample" 
             x:Class="DataTriggersFormsSample.MainPage">
    <StackLayout VerticalOptions="StartAndExpand"
                 Padding="20,60,20,20">

       <Entry x:Name="user" 
              Text="" 

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public class ImageEntry : Entry
    {
        public  ImageEntry(){
            this.HeightRequest = 50;
        }
		public static readonly BindableProperty ImageProperty =
            BindableProperty.Create(nameof(Image), typeof(string), typeof(ImageEntry), string.Empty);

		public static readonly BindableProperty LineColorProperty =
            BindableProperty.Create(nameof(LineColor), typeof(Xamarin.Forms.Color), typeof(ImageEntry), Color.White);

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namespace UISampleApp.Droid.Renderers
{
    public class ImageEntryRenderer : EntryRenderer
    {
        ImageEntry element;
	public ImageEntryRenderer(Context context) : base(context)
        {

        }
        protected override void OnElementChanged(ElementChangedEventArgs<Entry> e)

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namespace UISampleApp.iOS.Renderers
{
    public class ImageEntryRenderer : EntryRenderer
    {
        protected override void OnElementChanged(ElementChangedEventArgs<Entry> e)
        {
            base.OnElementChanged(e);

            if (e.OldElement != null || e.NewElement == null)
                return;

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  <StackLayout Padding="40" Spacing="10">
                <local:ImageEntry TextColor="White" 
                        PlaceholderColor="{StaticResource primary}" 
                        Image="user" 
                        Placeholder="Emil" 
                        HorizontalOptions="FillAndExpand"/>
             </StackLayout>

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public class AudioPlayerService : IAudioPlayerService
	{
		private AVAudioPlayer _audioPlayer = null;
		public Action OnFinishedPlaying { get; set; }

		public AudioPlayerService()
		{
		}

		public void Play(string pathToAudioFile)

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public class AudioPlayerService : IAudioPlayerService
	{
		private MediaPlayer _mediaPlayer;

		public Action OnFinishedPlaying { get; set; }

		public AudioPlayerService()
		{
		}

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	public class AudioPlayerViewModel: INotifyPropertyChanged
	{
		private IAudioPlayerService _audioPlayer;
		private bool _isStopped;
		public event PropertyChangedEventHandler PropertyChanged;

		public AudioPlayerViewModel(IAudioPlayerService audioPlayer)
		{
			_audioPlayer = audioPlayer;

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<PropertyGroup>
    ...
    <AndroidExplicitCrunch>true</AndroidExplicitCrunch>
</PropertyGroup>

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using Xamarin.Forms.Xaml;
...
[assembly: XamlCompilation (XamlCompilationOptions.Compile)]
namespace PhotoApp
{
    ...
}