private void DisableKeyboard(bool afterSelection)
{
var inputMethodManager = _context.GetSystemService(Context.InputMethodService) as InputMethodManager;
inputMethodManager?.HideSoftInputFromWindow(ApplicationWindowToken, 0);
KeyboardChanged?.Invoke(this, new SearchBoxKeyBoardEventArgs(afterSelection, SearchBoxKeyBoardEventArgs.KeyboardStatus.Closed));
}
private void EnableKeyboard()
{
var inputMethodManager = _context.GetSystemService(Context.InputMethodService) as InputMethodManager;
inputMethodManager?.ToggleSoftInputFromWindow(ApplicationWindowToken, ShowSoftInputFlags.Explicit, 0);
KeyboardChanged?.Invoke(this, new SearchBoxKeyBoardEventArgs(false, SearchBoxKeyBoardEventArgs.KeyboardStatus.Opened));
}
protected override void DoWork()
{
var k = _dev as Keyboard;
k.Poll();
try
{
k.GetCurrentState(ref _devstate);
}
catch (NullReferenceException)
{
_devstate = k.GetCurrentState();
}
KeyboardChanged?.Invoke(this, _devstate);
}
/// <summary>
/// Check for any change on the keyboard and perform the right actions.
/// </summary>
private static void CheckForKeyboardChange()
{
if (AnyKeyPressed())
{
// KeyboardChanged event: Check if any key was pressed.
KeyboardChanged?.Invoke(null, currentKeyboardState);
// KeyPress event:
List <Keys> pressedKeys = currentKeyboardState.GetPressedKeys().ToList();
KeyPressed?.Invoke(null, new KeyEventArgs(
pressedKeys[0],
currentKeyboardState.CapsLock,
pressedKeys.Contains(Keys.LeftShift) || pressedKeys.Contains(Keys.RightShift),
pressedKeys.Contains(Keys.LeftControl) || pressedKeys.Contains(Keys.RightControl),
pressedKeys.Contains(Keys.LeftAlt) || pressedKeys.Contains(Keys.RightAlt)));
}
}
internal static void InvokeKeyboardChanged(KeyboardState priorState, KeyboardState newState)
{
KeyboardChanged.Invoke(null, new EventArgsKeyboardStateChanged(priorState, newState));
}
private void MeasureLayout(PopupWindow sender)
{
var osVersion = Android.OS.Build.VERSION.SdkInt;
if (osVersion >= Android.OS.BuildVersionCodes.R)
{
// Use newer API on 30 and above
var windowMetrics = _activity.WindowManager.CurrentWindowMetrics;
var imeInsets = windowMetrics.WindowInsets.GetInsets(WindowInsets.Type.Ime());
var windowBottom = windowMetrics.Bounds.Bottom;
var keyboardHeight = windowBottom - imeInsets.Bottom;
var keyboardRect = keyboardHeight > 0 ? new Rect(0, keyboardHeight, windowMetrics.Bounds.Right, windowBottom) : new Rect();
KeyboardChanged?.Invoke(keyboardRect);
}
else
{
#pragma warning disable 618
// We can obtain the size of keyboard by comparing the layout of two popup windows
// where one (AdjustResize) resizes to keyboard and one(AdjustNothing) that doesn't:
// [size] realMetrics : screen
// [size] metrics : screen - dead zones
// [rect] displayRect : screen - (bottom: nav_bar)
// [rect] adjustNothingFrame : screen - (top: status_bar) - (bottom: nav_bar)
// [rect] adjustResizeFrame : screen - (top: status_bar) - (bottom: keyboard + nav_bar)
var realMetrics = Get <DisplayMetrics>(_activity.WindowManager.DefaultDisplay.GetRealMetrics);
var metrics = Get <DisplayMetrics>(_activity.WindowManager.DefaultDisplay.GetMetrics);
var displayRect = Get <Rect>(_activity.WindowManager.DefaultDisplay.GetRectSize);
var adjustNothingFrame = Get <Rect>(_adjustNothingLayoutProvider.ContentView.GetWindowVisibleDisplayFrame);
var adjustResizeFrame = Get <Rect>(_adjustResizeLayoutProvider.ContentView.GetWindowVisibleDisplayFrame);
#pragma warning restore 618
var orientation = DisplayInformation.GetForCurrentView().CurrentOrientation;
var keyboardRect = new Rect(0, adjustResizeFrame.Bottom, realMetrics.WidthPixels, adjustNothingFrame.Bottom);
switch (orientation)
{
case DisplayOrientations.Landscape:
NavigationBarRect = new Rect(0, 0, metrics.WidthPixels - displayRect.Width(), metrics.HeightPixels);
break;
case DisplayOrientations.LandscapeFlipped:
NavigationBarRect = new Rect(adjustNothingFrame.Width(), 0, metrics.WidthPixels - displayRect.Width(), metrics.HeightPixels);
break;
// Miss portrait flipped
case DisplayOrientations.Portrait:
default:
NavigationBarRect = new Rect(0, adjustNothingFrame.Bottom, realMetrics.WidthPixels, realMetrics.HeightPixels);
break;
}
KeyboardChanged?.Invoke(keyboardRect);
T Get <T>(Action <T> getter) where T : new()
{
var result = new T();
getter(result);
return(result);
}
}
}
public static void InvokeKeyboardChanged(KeyboardState newState)
{
KeyboardChanged.Invoke(newState);
}
