C# EditText.SetFilters方法代码示例

		public void Display (string body, string title, GoalsAvailable availableGoal, string cancelButtonTitle, string acceptButtonTitle = "", Action<GoalsAvailable, int> action = null)
		{
			EditText goalTextBox = new EditText (Forms.Context);
			AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder (Forms.Context);
			alertDialogBuilder.SetTitle (title);
			alertDialogBuilder.SetMessage (body);
			alertDialogBuilder.SetView (goalTextBox);

			goalTextBox.InputType = Android.Text.InputTypes.NumberFlagSigned;

			var inputFilter = new Android.Text.InputFilterLengthFilter (7);
			var filters = new Android.Text.IInputFilter[1];

			filters [0] = inputFilter;

			goalTextBox.SetFilters (filters);
			goalTextBox.InputType = Android.Text.InputTypes.ClassNumber;

			alertDialogBuilder.SetPositiveButton ("OK", (senderAlert, args) => {
				if(action != null)
				{
					int goalValue;
					int.TryParse(goalTextBox.Text, out goalValue);
					action.Invoke(availableGoal, goalValue);
				}

			} );
			alertDialogBuilder.SetNeutralButton ("CANCEL", (senderAlert, args) => {

			} );

			alertDialogBuilder.Show ();

		}

        public string ShowKeyboardInput(
            string defaultText)
        {

            var waitHandle = new EventWaitHandle(false, EventResetMode.AutoReset);

            OnKeyboardWillShow();

            IsVisible = true;



            CCGame.Activity.RunOnUiThread(() =>
                {
                    var alert = new AlertDialog.Builder(Game.Activity);

                    var input = new EditText(Game.Activity) { Text = defaultText };

                    // Set the input fields input filter to accept only uppercase
                    input.SetFilters ( new Android.Text.IInputFilter[] { new Android.Text.InputFilterAllCaps() });

                    if (defaultText != null)
                    {
                        input.SetSelection(defaultText.Length);
                    }
                    alert.SetView(input);

                    alert.SetPositiveButton("Ok", (dialog, whichButton) =>
                        {
                            ContentText = input.Text;
                            waitHandle.Set();
                            IsVisible = false;
                            OnKeyboardWillHide();
                        });

                    alert.SetNegativeButton("Cancel", (dialog, whichButton) =>
                        {
                            ContentText = null;
                            waitHandle.Set();
                            IsVisible = false;
                            OnKeyboardWillHide();
                        });
                    alert.SetCancelable(false);

                    alertDialog = alert.Create();
                    alertDialog.Show();
                    OnKeyboardDidShow();

                });
            waitHandle.WaitOne();

            if (alertDialog != null)
            {
                alertDialog.Dismiss();
                alertDialog.Dispose();
                alertDialog = null;
            }

            OnReplaceText(new CCIMEKeybardEventArgs(contentText, contentText.Length));
            IsVisible = false;

            return contentText;
        }

        //--------------------------------------------------------------
        // EVENT CATCHING METHODS
        //--------------------------------------------------------------
        protected override void OnCreate(Bundle savedInstanceState)
        {
            base.OnCreate (savedInstanceState);

            RequestWindowFeature(WindowFeatures.NoTitle);
            Window.SetBackgroundDrawable(new ColorDrawable(Color.Transparent));
            SetContentView(Resource.Layout.Dialog);

            _root = FindViewById<LinearLayout>(Resource.Id.alertContainer);
            _root.SetPadding(Builder.StrokeBorderWidth, Builder.StrokeBorderWidth, Builder.StrokeBorderWidth, Builder.StrokeBorderWidth);
            _root.SetMinimumWidth ((int)(WindowManager.DefaultDisplay.Width * MinWidthRatio));
            _root.SetMinimumHeight((int)(WindowManager.DefaultDisplay.Height * MinHeightRatio));

            if(_root.ViewTreeObserver.IsAlive)
            {
                _root.ViewTreeObserver.AddOnGlobalLayoutListener(this);
            }

            _title = FindViewById<TextView>(Resource.Id.alertTitle);
            _title.SetTextColor(Builder.StrokeColor);
            _title.Gravity = GravityFlags.CenterHorizontal;
            if(String.IsNullOrEmpty(Builder.Title))
            {
                _title.Visibility = ViewStates.Gone;
            }
            else
            {
                _title.Text = Builder.Title;
            }

            _content = FindViewById<LinearLayout>(Resource.Id.alertContent);
            switch (Builder.ContentType)
            {
            case DialogBuilder.DialogContentType.TextView:
                if(!String.IsNullOrEmpty(Builder.Message))
                {
                    _message = new TextView(this);
                    _message.Text = Builder.Message;
                    _message.SetTextSize(Android.Util.ComplexUnitType.Dip, TextSize);
                    _message.SetTextColor(Builder.TextColor);
                    _message.Gravity = GravityFlags.CenterHorizontal;
                    _content.AddView(_message, ViewGroup.LayoutParams.MatchParent, ViewGroup.LayoutParams.WrapContent);
                }
                break;
            case DialogBuilder.DialogContentType.EditText:
                _field = new EditText(this);
                _field.Hint = Builder.Message;
                _field.SetTextSize(Android.Util.ComplexUnitType.Dip, TextSize);
                // Limit the length
                _field.SetFilters( new IInputFilter[] { new InputFilterLengthFilter(Constants.MaxLengthName) } );
                _content.AddView(_field, ViewGroup.LayoutParams.MatchParent, ViewGroup.LayoutParams.WrapContent);
                break;
            case DialogBuilder.DialogContentType.None:
                foreach(View view in Builder.Content)
                {
                    _content.AddView(view, ViewGroup.LayoutParams.MatchParent, ViewGroup.LayoutParams.WrapContent);
                }
                break;
            default:
                break;
            }

            _buttonLayout = FindViewById<LinearLayout>(Resource.Id.buttonLayout);
            LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) _buttonLayout.LayoutParameters;
            lp.TopMargin = Builder.StrokeBorderWidth;
            _buttonLayout.LayoutParameters = lp;

            _positiveButton = FindViewById<ButtonStroked>(Resource.Id.positiveButton);
            _negativeButton = FindViewById<ButtonStroked>(Resource.Id.negativeButton);

            if(String.IsNullOrEmpty(Builder.PositiveText) && String.IsNullOrEmpty(Builder.NegativeText))
            {
                _positiveButton.Visibility = ViewStates.Gone;
                _negativeButton.Visibility = ViewStates.Gone;
            }
            else if(String.IsNullOrEmpty(Builder.PositiveText))
            {
                _positiveButton.Visibility = ViewStates.Gone;
                LinearLayout.LayoutParams lpNeg = (LinearLayout.LayoutParams) _negativeButton.LayoutParameters;
                lpNeg.Weight = 2;
                _negativeButton.LayoutParameters = lpNeg;
            }
            else if(String.IsNullOrEmpty(Builder.NegativeText))
            {
                _negativeButton.Visibility = ViewStates.Gone;
                LinearLayout.LayoutParams lpPos = (LinearLayout.LayoutParams) _positiveButton.LayoutParameters;
                lpPos.Weight = 2;
                _positiveButton.LayoutParameters = lpPos;
            }
            else
            {
                LinearLayout.LayoutParams lpPos = (LinearLayout.LayoutParams) _positiveButton.LayoutParameters;
                lpPos.LeftMargin = Builder.StrokeBorderWidth/2;
                _positiveButton.LayoutParameters = lpPos;
                LinearLayout.LayoutParams lpNeg = (LinearLayout.LayoutParams) _negativeButton.LayoutParameters;
                lpNeg.RightMargin = Builder.StrokeBorderWidth/2;
                _negativeButton.LayoutParameters = lpNeg;
//.........这里部分代码省略.........

 public void SetEditTextMaximumLength(EditText edittext,int value)
 {
     global::Android.Text.IInputFilter[] filter = new global::Android.Text.IInputFilter[1];
     filter[0] = new global::Android.Text.InputFilterLengthFilter(value);
     edittext.SetFilters (filter);
 }

        protected override void OnCreate(Bundle bundle)
        {
            //RequestWindowFeature(WindowFeatures.NoTitle);
            base.OnCreate (bundle);
            SetContentView (Resource.Layout.Pay_SMS_Main);

            sendSMS_btn = FindViewById<Button> (Resource.Id.sendSMS);

            numberEditText = FindViewById<EditText> (Resource.Id.editText_number);
            numberEditText.Text = GeoFencer.inZone ();

            listView = FindViewById<ListView> (Resource.Id.List_SMS_Main_History);
            listView.ItemClick += OnListItemClick;

            messageEditText = FindViewById<EditText> (Resource.Id.editText_message);
            //prikazuje sva slova kao velika.(upper) i ogranicava velicinu registracije na registrationLength
            messageEditText.SetFilters (new IInputFilter[] { new InputFilterAllCaps (),new InputFilterLengthFilter (registrationLength) });

            var prefs = Application.Context.GetSharedPreferences("MySharedPrefs", FileCreationMode.Private);
            const int regaPicDefault=Resource.Drawable.ociscena_rega;

            messageEditText.SetBackgroundResource ( prefs.GetInt("MyRegistrationPrefs",regaPicDefault ));

            try{
                messageEditText.Text = prefs.GetString ("MyRegistrationDefaultPrefs", "");
                //Log.Debug ("defaultna rega",messageEditText.Text);
            }catch(Exception e){
                Log.Debug ("Nema registracije na izbor",e.ToString ());
            }

            #region Ucitava podatke iz datoteke svaki put kad se otvori layout Pay_SMS_Main
            //Log.Debug ("ON CREATE","DULJINA"+new FileInfo(message_Data).Length+" -- "+Enable_message_update);
            long duljina=0;
            try{
                duljina = new FileInfo (message_Data).Length;
            }catch(Exception e){

                Log.Debug ("Pay_SMS_Main","FILE INFO krivo učitava "+e.ToString ());
            }

            if (duljina != 0 || Fill_ListView_With_Data.update_inbox_messages==true) {
                List<string> data = new List<string> ();
                String line;

                StreamReader reader = new StreamReader (message_Data);
                while ((line=reader.ReadLine ()) != null) {
                    data.Add (line);
                }

                reader.Close ();
                podaciDialogLista=data;
                try{
                    Fill_ListView_With_Data.FillListWithData (data,this,listView);
                }
                catch(NullReferenceException e){
                    Log.Debug ("FillListWithData:Na pocetku Pay_SMS_Main",	e.ToString ());
                }
            }else{
                Fill_ListView_With_Data.DeleteHistory ();
            }

            #endregion

            //if user enabled Inbox messages
            if(Fill_ListView_With_Data.Enable_message_update==true){
                Fill_ListView_With_Data.Fill_With_Inbox_Data (this,listView);
            }

            try{
                var tuple=ParseZoneNumbers.LoadZoneNumbersAssetsData (this);
                zone = tuple.Item1; //zone
                zoneDictionary = tuple.Item2; // zone i pripadni stringovi
            }catch(Exception e){
                Log.Debug ("Greska prilikom ucitavanja zone i zoneDictionary u Pay_SMS_Main",e.ToString ());
            }

            //dodavanje metode EventHandler delegatu iz OnReceiveSMS
            //OnReceiveSMS.ReceiveSMSmessage += new OnReceiveSMS.ReceiveSMSdelegate (EventHandler);

            //spremanje popisa brojeva zona u memoriju
            var prefsZone = Application.Context.GetSharedPreferences("MySharedPrefs", FileCreationMode.Private);
            var prefsZoneEditor = prefsZone.Edit ();
            prefsZoneEditor.PutStringSet("MyZonePrefs", zone);
            prefsZoneEditor.Commit();

            //spremanje dictionarya zone-numbers u memoriju
            var prefsDict = Application.Context.GetSharedPreferences("MySharedPrefs", FileCreationMode.Private);
            var prefsDictEditor = prefsDict.Edit ();
            string dict = string.Join (", ", zoneDictionary
                                             .Select (m => m.Key + ":" + m.Value)
                                             .ToArray ());
            prefsDictEditor.PutString("MyDictPrefs", dict);
            prefsDictEditor.Commit();

            #region Button inicijalizacija zona i Click metoda

            /*
             * Inicijalizacija dugmova zona i postavljanje njihovog rada.
             */
            Button vuki_btn = FindViewById<Button> (Resource.Id.zona01_btn);
//.........这里部分代码省略.........