void ShowKeyBoard(View view)
{
InputMethodManager imm = (InputMethodManager)Activity.GetSystemService(Context.InputMethodService);
imm.ShowSoftInputFromInputMethod(view.WindowToken, ShowFlags.Forced);
imm.ToggleSoftInput(ShowFlags.Forced, 0);
}
/// <summary>
/// Shows the keyboard from an input view (generally an edittext)
/// </summary>
/// <param name="activity">The activity</param>
/// <param name="input">The view</param>
public static void ShowKeyboardFromInput(Activity activity, EditText input)
{
InputMethodManager imm = (InputMethodManager)activity.GetSystemService(Context.InputMethodService);
imm.ShowSoftInputFromInputMethod(input.WindowToken, 0);
}