uwp 中的音频开发

xml code

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<UserControl x:Class="WinTest.HPControl.ReminderTimer"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

xmlns:local="clr-namespace:WinTest.HPControl"

mc:Ignorable="d" Height="158.036" Width="417.35">

<Grid>

<Border  BorderBrush="White"  Background="White" CornerRadius="20" >

<Grid Background="Transparent" Width="300">

<Grid.RowDefinitions>

<RowDefinition></RowDefinition>

<RowDefinition></RowDefinition>

<RowDefinition></RowDefinition>

<RowDefinition></RowDefinition>

</Grid.RowDefinitions>

<Grid.ColumnDefinitions>

<ColumnDefinition Width="80"></ColumnDefinition>

<ColumnDefinition Width="10"></ColumnDefinition>

<ColumnDefinition Width="*"></ColumnDefinition>

</Grid.ColumnDefinitions>

<Button Background="Transparent"  Grid.Row="0" Grid.RowSpan="3" Click="Button_Click" >

<Image   Source="/images/Alarm.png"  ></Image>

</Button>

<TextBlock FontFamily="{StaticResource RegularFont}" Foreground="#333333" FontSize="18" Grid.Column="2" Grid.Row="0">时间</TextBlock>

<TextBlock FontFamily="{StaticResource LightFont}" FontWeight="Light" Foreground="#333333" FontSize="16" Grid.Column="2" Grid.Row="1">时间</TextBlock>

<TextBlock FontFamily="{StaticResource LightFont}" FontWeight="Light" Foreground="#666666" FontSize="10" Grid.Column="2" Grid.Row="2">时间</TextBlock>

<StackPanel Grid.Column="2" Grid.Row="3" Orientation="Horizontal">

<ToggleButton>toggle switch</ToggleButton>

<TextBlock Margin="20,0,0,0">提醒已生效</TextBlock>

<Button Click="ReminderTimer_replay">replay</Button>

</StackPanel>

</Grid>

</Border>

</Grid>

</UserControl>

C#  code  后台

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public partial class ReminderTimer : UserControl

{

private SoundPlayer player = null;

private MediaPlayer currentPlayer = null;

public ReminderTimer()

{

InitializeComponent();

this.Loaded += ReminderTimer_Loaded;

player = new SoundPlayer();

this.Unloaded += ReminderTimer_Unloaded;

}

private void ReminderTimer_Unloaded(object sender, RoutedEventArgs e)

{

currentPlayer.Stop();

currentPlayer.Close();

}

private void ReminderTimer_Loaded(object sender, RoutedEventArgs e)

{

initalplayer();

}

private void inital()

{

string str = System.IO.Directory.GetCurrentDirectory();

string path = Environment.CurrentDirectory;

string p = new Uri("ms-appx:///sound/AlarmSound.wma").ToString();

// string m=  Application.StartupPath;

//  player.SoundLocation = "/sound/美国往事.wav";//（将播放音乐放在应用程序Debug目录下）

// player.SoundLocation = "美国往事.wav";

int index = str.LastIndexOf(@"\bin");

if (index > 0)

{

str = str.Substring(0, index) + @"\sound\AlarmSound.wma";

}

player.SoundLocation = str;

player.Load();

//音乐播放

player.Play();

}

//ToastAudio Audio;

private void initalplayer()

{

currentPlayer = new MediaPlayer();

//Audio = new ToastAudio()

//{

//    Loop = true,

//    Src = new Uri("ms-appx:///HPControls/Assets/AlarmSound.wma")

//}

//"C:\Users\bruce\Desktop\UWP\WinTest\sound\AlarmSound.wma"

// Src = new Uri("ms-appx:///HPControls/Assets/AlarmSound.wma")

var path = @"C:\Users\bruce\Desktop\UWP\WinTest\sound\AlarmSound.wma";

//Uri audioUri = new Uri("ms-appx:///WinTest/sound/AlarmSound.wma");

Uri audioUri = new Uri(path);

currentPlayer.Open(audioUri);

currentPlayer.MediaEnded += CurrentPlayer_MediaEnded;

currentPlayer.Play();

}

private void CurrentPlayer_MediaEnded(object sender, EventArgs e)

{

var path = @"C:\Users\bruce\Desktop\UWP\WinTest\sound\AlarmSound.wma";

//Uri audioUri = new Uri("ms-appx:///WinTest/sound/AlarmSound.wma");

Uri audioUri = new Uri(path);

currentPlayer.Open(audioUri);

currentPlayer.Play();

}

private void Button_Click(object sender, RoutedEventArgs e)

{

currentPlayer.Stop();

}

private void ReminderTimer_replay(object sender, RoutedEventArgs e)

{

currentPlayer.Play();

}

}

public partial class ReminderTimer : UserControl    {        private SoundPlayer player = null;        private MediaPlayer currentPlayer = null;        public ReminderTimer()        {            InitializeComponent();            this.Loaded += ReminderTimer_Loaded;            player = new SoundPlayer();            this.Unloaded += ReminderTimer_Unloaded;        }
        private void ReminderTimer_Unloaded(object sender, RoutedEventArgs e)        {            currentPlayer.Stop();            currentPlayer.Close();
        }
        private void ReminderTimer_Loaded(object sender, RoutedEventArgs e)        {            initalplayer();        }        private void inital()        {            string str = System.IO.Directory.GetCurrentDirectory();            string path = Environment.CurrentDirectory;            string p = new Uri("ms-appx:///sound/AlarmSound.wma").ToString();            // string m=  Application.StartupPath;            //  player.SoundLocation = "/sound/美国往事.wav";//（将播放音乐放在应用程序Debug目录下）            // player.SoundLocation = "美国往事.wav";            int index = str.LastIndexOf(@"\bin");            if (index > 0)            {                str = str.Substring(0, index) + @"\sound\AlarmSound.wma";            }            player.SoundLocation = str;            player.Load();            //音乐播放            player.Play();        }        //ToastAudio Audio;        private void initalplayer()        {            currentPlayer = new MediaPlayer();

            //Audio = new ToastAudio()            //{            //    Loop = true,            //    Src = new Uri("ms-appx:///HPControls/Assets/AlarmSound.wma")            //}

            //"C:\Users\bruce\Desktop\UWP\WinTest\sound\AlarmSound.wma"            // Src = new Uri("ms-appx:///HPControls/Assets/AlarmSound.wma")            var path = @"C:\Users\bruce\Desktop\UWP\WinTest\sound\AlarmSound.wma";            //Uri audioUri = new Uri("ms-appx:///WinTest/sound/AlarmSound.wma");            Uri audioUri = new Uri(path);                        currentPlayer.Open(audioUri);            currentPlayer.MediaEnded += CurrentPlayer_MediaEnded;            currentPlayer.Play();        }
        private void CurrentPlayer_MediaEnded(object sender, EventArgs e)        {            var path = @"C:\Users\bruce\Desktop\UWP\WinTest\sound\AlarmSound.wma";            //Uri audioUri = new Uri("ms-appx:///WinTest/sound/AlarmSound.wma");            Uri audioUri = new Uri(path);
            currentPlayer.Open(audioUri);            currentPlayer.Play();        }
        private void Button_Click(object sender, RoutedEventArgs e)        {
            currentPlayer.Stop();

        }
        private void ReminderTimer_replay(object sender, RoutedEventArgs e)        {            currentPlayer.Play();        }    }