/// <summary>
/// Writes the given message to the textview.
/// </summary>
/// <param name="message"></param>
public override void Write(string message)
{
_textView.InvokeOnMainThread(() =>
{
_textView.Text = _textView.Text + message;
_textView.ScrollRangeToVisible(
new MonoTouch.Foundation.NSRange(_textView.Text.Length, 0));
});
}
public override void Write(char value)
{
previousWriter.Write(value);
textView.BeginInvokeOnMainThread(() => {
var newText = textView.Text + value;
textView.Text = newText;
textView.ScrollRangeToVisible(new Foundation.NSRange(newText.Length, 0));
});
}
public void PrintResult (UITextView textView, string message)
{
DispatchQueue.MainQueue.DispatchAsync (() => {
textView.Text = string.Format ("{0}\n{1}", textView.Text, message);
textView.ScrollRangeToVisible (new NSRange (0, textView.Text.Length));
});
}
void PrintResult(UITextView textView, string message)
{
DispatchQueue.MainQueue.DispatchAsync(() => {
textView.Text = string.Format("{0}\n{1}", textView.Text, message);
textView.ScrollRangeToVisible(new NSRange(0, textView.Text.Length));
});
}
private void ConcatText(string text)
{
InvokeOnMainThread(delegate {
textView.Text += text + "\n";
textView.ScrollRangeToVisible(new NSRange(textView.Text.Length, 0));
});
}
public override void WriteLine(string format, params object[] args)
{
_context.Post(delegate
{
_textView.Text = _textView.Text + string.Format(format, args) + Environment.NewLine;
_textView.ScrollRangeToVisible(new MonoTouch.Foundation.NSRange(_textView.Text.Length, 0));
}, state: null);
}
public override void LayoutSubviews()
{
base.LayoutSubviews();
float padding = 5f;
float buttonWidth = 50f;
var frame = new RectangleF(padding, padding, this.Bounds.Width - (padding * 3) - buttonWidth, 50);
Input.Frame = frame;
var buttonLeft = frame.Right + padding;
frame = new RectangleF(buttonLeft, padding, buttonWidth, 50);
send.Frame = frame;
var outputTop = frame.Bottom + padding;
frame = new RectangleF(padding, outputTop, this.Bounds.Width - (padding * 2), this.Bounds.Height - (outputTop + padding) - KeyBoardHeight);
Output.Frame = frame;
Output.ScrollRangeToVisible(new NSRange(Output.Text.Length - 1, 1));
}
// this method makes sure that the most recently added text is exactly at the bottom of the text view
void ScrollMessageViewToEnd()
{
try {
// find the number of characters between the end of the text and the previous newline
string text = textView.Text.TrimEnd();
int index = text.Length - 1;
while (true)
{
char c = text[index];
if (c == '\r' || c == '\n')
{
break;
}
index--;
}
textView.ScrollRangeToVisible(new NSRange(index + 1, 1));
} catch (Exception ex) {
Console.WriteLine(ex.Message);
}
}
public static void ScrollToBottom(this UITextView textView)
{
textView.ScrollRangeToVisible(new NSRange(textView.Text.Length - 1, 1));
}