LoriBru’s gists

LoriBru / MainVM.cs

Created January 24, 2019 13:52

	// <summary>
	/// This class adds the ability to refresh the list when any property of
	/// the objects changes in the list which implements the INotifyPropertyChanged.
	/// </summary>
	/// <typeparam name="T">
	public class ObservableCollectionEx<T> : ObservableCollection<T>
	{
	// Override the vent so this class can access it
	public override event NotifyCollectionChangedEventHandler CollectionChanged;

LoriBru / MainActivity.cs

Created January 14, 2019 14:27

Snippet to copy a file from embedded assets to a folder.

	using (var br = new BinaryReader(Application.Context.Assets.Open(FileName)))
	{
	using (var bw = new BinaryWriter(new FileStream("/Folder/" + $"{FileName}", FileMode.Create)))
	{
	var buffer = new byte[2048];
	var length = 0;
	while ((length = br.Read(buffer, 0, buffer.Length)) > 0)
	{
	bw.Write(buffer, 0, length);
	}

LoriBru / MainActivity.cs

Created January 14, 2019 14:24

Snippet to run code on the UI thread.

LoriBru / MainActivity.cs

Created January 14, 2019 11:51

Checking app permissions.

	private void CheckAppPermissions()
	{
	if ((int)Build.VERSION.SdkInt < 23)
	{
	return;
	}
	else
	{
	if (Context.CheckSelfPermission(Manifest.Permission.ReadExternalStorage) != Permission.Granted
	&& Context.CheckSelfPermission(Manifest.Permission.WriteExternalStorage) != Permission.Granted)

LoriBru / MainActivity.cs

Last active January 14, 2019 11:47

Inflate a fragment to the FrameLayout container.

	var tran = FragmentManager.BeginTransaction();
	var fragment = new HomeFragment();
	tran.Replace(Resource.Id.FrameContainer, fragment);
	tran.SetTransition(FragmentTransit.FragmentFade);
	tran.CommitAllowingStateLoss();

LoriBru / MainActivity.cs

Created January 14, 2019 11:46

Set our view from the "main" layout resource which contains a FrameLayout.

SetContentView(Resource.Layout.FrameContainer);

LoriBru / MainActivity.cs

Created January 14, 2019 11:45

Changing status bar color if version is Lollipop or newer.

	if (Build.VERSION.SdkInt >= BuildVersionCodes.Lollipop)
	{
	Window.ClearFlags(WindowManagerFlags.TranslucentStatus);
	Window.AddFlags(WindowManagerFlags.DrawsSystemBarBackgrounds);
	var color = Color.Argb(210, 57, 169, 220);
	Window.SetStatusBarColor(color);
	}

LoriBru / MainVM.cs

Created January 14, 2019 11:32

This method check the presence of internet connection.

	public static bool CheckConnection()
	{
	try
	{
	HttpWebRequest request = (HttpWebRequest)WebRequest.Create("https://www.microsoft.com");
	request.Timeout = 5000;
	request.Credentials = CredentialCache.DefaultNetworkCredentials;
	HttpWebResponse response = (HttpWebResponse)request.GetResponse();

	if (response.StatusCode == HttpStatusCode.OK)

LoriBru / App.xaml

Created January 14, 2019 11:30

	<TargetType="{x:Type ProgressBar}">
	<Setter Property="Foreground" Value="{StaticResource Primary}"/>
	<Setter Property="Background" Value="#EEEEEE"/>
	<Setter Property="BorderThickness" Value="0"/>
	<Setter Property="Template">
	<Setter.Value>
	<ControlTemplate TargetType="{x:Type ProgressBar}">
	<Grid Name="TemplateRoot" SnapsToDevicePixels="true">
	<Rectangle Fill="{TemplateBinding Background}"/>
	<Rectangle Name="PART_Track" Margin="0"/>

LoriBru / App.xaml

Created January 14, 2019 11:29

	<Style x:Key="TransparentButtonStyle" TargetType="{x:Type Button}">
	<Setter Property="FocusVisualStyle" Value="{x:Null}"/>
	<Setter Property="Background" Value="{x:Null}"/>
	<Setter Property="BorderBrush" Value="Transparent"/>
	<Setter Property="BorderThickness" Value="1"/>
	<Setter Property="Foreground" Value="{StaticResource PrimaryDark}"/>
	<Setter Property="HorizontalContentAlignment" Value="Center"/>
	<Setter Property="VerticalContentAlignment" Value="Center"/>
	<Setter Property="Padding" Value="3"/>
	<Setter Property="Template">