C# TextView.SetBackgroundColor方法代码示例

        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);
            var display = WindowManager.DefaultDisplay;
            var horiPager = new HorizontalPager(this.ApplicationContext, display);
            horiPager.ScreenChanged += new ScreenChangedEventHandler(horiPager_ScreenChanged);

            //You can also use:
            /*horiPager.ScreenChanged += (sender, e) =>
            {
                System.Diagnostics.Debug.WriteLine("Switched to screen: " + ((HorizontalPager)sender).CurrentScreen);
            };*/

            var backgroundColors = new Color[] { Color.Red, Color.Blue, Color.Cyan, Color.Green, Color.Yellow };

            for (int i = 0; i < 5; i++)
            {
                var textView = new TextView(this.ApplicationContext);
                textView.Text = (i + 1).ToString();
                textView.TextSize = 100;
                textView.SetTextColor(Color.Black);
                textView.Gravity = GravityFlags.Center;
                textView.SetBackgroundColor(backgroundColors[i]);
                horiPager.AddView(textView);
            }

            SetContentView(horiPager);
        }

        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);
            var mLayout = new FrameLayout(this);

            surface = UrhoSurface.CreateSurface(this, typeof(MySample));
            //surface.Background.SetAlpha(10);

            TextView txtView = new TextView(this);
            txtView.SetBackgroundColor(Color.Violet);
            txtView.SetWidth(10);
            txtView.SetHeight(10);

            txtView.Text = "HAHAH";
            //txtView.Text = surface.Background.ToString();
            Button btn = new Button(this);
            btn.SetBackgroundColor(Color.Transparent);
            btn.Text = "Button";
            btn.SetHeight(100);
            btn.SetWidth(100);
            btn.SetX(30);
            btn.SetY(30);
            btn.TextAlignment = TextAlignment.Center;
            mLayout.AddView(txtView);
            mLayout.AddView(btn);
            mLayout.AddView(surface);
            SetContentView(mLayout);
        }

        public static void StyleUILabel( TextView label, string font, uint size )
        {
            label.SetTextColor( Rock.Mobile.UI.Util.GetUIColor( ControlStylingConfig.Label_TextColor ) );
            label.SetBackgroundColor( Android.Graphics.Color.Transparent );

            label.SetTypeface( Rock.Mobile.PlatformSpecific.Android.Graphics.FontManager.Instance.GetFont( font ), TypefaceStyle.Normal );
            label.SetTextSize( Android.Util.ComplexUnitType.Dip, size );
        }

 private View createColumn(Context context, string ev)
 {
     TextView view = new TextView(context);
     view.SetPadding(20, 0, 0, 0);
     view.SetBackgroundColor(Android.Graphics.Color.White);
     view.Text = ev;
     view.SetTextColor(Android.Graphics.Color.ParseColor("#3B3477"));
     return view;
 }

		protected override void OnElementChanged (ElementChangedEventArgs<Page> e)
		{
			base.OnElementChanged (e);
			MessagingCenter.Subscribe<RootPage, AlertArguments> (this, "DisplayAlert", (sender, arguments) => {

				//If you would like to use style attributes, you can pass this into the builder
//				ContextThemeWrapper customDialog = new ContextThemeWrapper(Context, Resource.Style.AlertDialogCustom);
//				AlertDialog.Builder builder = new AlertDialog.Builder(customDialog);

				//Create instance of AlertDialog.Builder and create the alert
				AlertDialog.Builder builder = new AlertDialog.Builder(Context);
				var alert = builder.Create();

				//Utilize context to get LayoutInflator to set the view used for the dialog
				var layoutInflater = (LayoutInflater) Context.GetSystemService(Context.LayoutInflaterService);
				alert.SetView(layoutInflater.Inflate(Resource.Layout.CustomDialog,null));

				//Create a custom title element 
				TextView title = new TextView (Context) {
					Text = arguments.Title,
				};
				title.SetTextColor(Android.Graphics.Color.DodgerBlue);
				title.SetBackgroundColor(Android.Graphics.Color.White);
				//Add the custom title to the AlertDialog
				alert.SetCustomTitle(title);

				//Set the buttons text and click handler events
				if (arguments.Accept != null)
					alert.SetButton ((int)DialogButtonType.Positive, arguments.Accept, (o, args) => arguments.SetResult (true));
				alert.SetButton ((int)DialogButtonType.Negative, arguments.Cancel, (o, args) => arguments.SetResult (false));
				alert.CancelEvent += (o, args) => { arguments.SetResult (false); };
				alert.Show ();

				//This code grabs the line that separates the title and dialog. 
				int titleDividerId = Resources.GetIdentifier("titleDivider", "id", "android");
				Android.Views.View titleDivider = alert.FindViewById(titleDividerId);
				if (titleDivider != null)
					titleDivider.SetBackgroundColor(Android.Graphics.Color.DarkRed);

				//Set properties of the buttons
				Android.Widget.Button positiveButton = alert.GetButton((int)DialogButtonType.Positive);
				positiveButton.SetTextColor(Android.Graphics.Color.Green);
				positiveButton.SetBackgroundColor(Android.Graphics.Color.White);

				Android.Widget.Button negativeButton = alert.GetButton((int)DialogButtonType.Negative);
				negativeButton.SetTextColor(Android.Graphics.Color.Red);
				negativeButton.SetBackgroundColor(Android.Graphics.Color.White);

				//Set the text of the TextView in the dialog
				var textView = alert.FindViewById<TextView>(Resource.Id.textview);
				textView.SetText(arguments.Message,null);

			});
		}

        private View CreateView(TestRunInfo testRunDetails)
        {
            LinearLayout layout = new LinearLayout(this);
            layout.Orientation = Orientation.Vertical;

            TextView titleTextView = new TextView(this);
            titleTextView.LayoutParameters = new LinearLayout.LayoutParams(
                LinearLayout.LayoutParams.FillParent, 48);

            titleTextView.SetBackgroundColor(Color.Argb(255,50,50,50));
            titleTextView.SetPadding(20,0,20,0);

            titleTextView.Gravity = GravityFlags.CenterVertical;
            titleTextView.Text = testRunDetails.Description;
            titleTextView.Ellipsize = TextUtils.TruncateAt.Start;

            TextView descriptionTextView = new TextView(this);
            descriptionTextView.LayoutParameters = new LinearLayout.LayoutParams(
                LinearLayout.LayoutParams.FillParent, LinearLayout.LayoutParams.WrapContent)
            {
                LeftMargin = 40,
                RightMargin = 40
            };

           if (testRunDetails.Running)
    		{
				descriptionTextView.Text = "Test is currently running.";
			}
			else if (testRunDetails.Passed)
			{
				descriptionTextView.Text = "wohhoo, Test has passed.";
			}
			else if (testRunDetails.TestResult != null)
			{
				descriptionTextView.Text = testRunDetails.TestResult.Message + "\r\n\r\n" + testRunDetails.TestResult.StackTrace;	
			}

            ScrollView scrollView = new ScrollView(this);
            scrollView.LayoutParameters = new LinearLayout.LayoutParams(
                LinearLayout.LayoutParams.FillParent, LinearLayout.LayoutParams.FillParent);

            scrollView.AddView(descriptionTextView);

            layout.AddView(titleTextView);
            layout.AddView(scrollView);

            return layout;
        }

        // [END mListener_variable_reference]


        // [START auth_oncreate_setup_beginning]
        protected override void OnCreate (Bundle savedInstanceState) 
        {
            base.OnCreate (savedInstanceState);
            // Put application specific code here.
            // [END auth_oncreate_setup_beginning]
            SetContentView (Resource.Layout.activity_main);

            logView = FindViewById<TextView> (Resource.Id.sample_logview);
            logView.SetTextAppearance (this, Resource.Style.Log);
            logView.SetBackgroundColor (Android.Graphics.Color.White);
            logView.Append ("\r\n");

            // [START auth_oncreate_setup_ending]

            if (savedInstanceState != null)
                authInProgress = savedInstanceState.GetBoolean (AUTH_PENDING);

            buildFitnessClient();
        }

        private void UpdateMemoryTableUI()
        {
            tlData.RemoveAllViews();
            foreach (var memoryItem in store.Items)
            {
                TableRow tr = new TableRow(this);
                var rowColor = Color.White;
                tr.SetBackgroundColor(rowColor);

                var cellColor = Color.Black;
                var txtVal1 = new TextView(this) {Text = memoryItem.Values[0]};
                txtVal1.SetPadding(1, 1, 1, 1);
                tr.AddView(txtVal1);
                txtVal1.SetBackgroundColor(cellColor);
                var txtVal2 = new TextView(this) {Text = memoryItem.Values[1]};
                txtVal2.SetPadding(1, 1, 1, 1);
                txtVal2.SetBackgroundColor(cellColor);
                tr.AddView(txtVal2);
                tlData.AddView(tr);
            }
        }

        protected override void OnElementChanged(ElementChangedEventArgs<Entry> e)
        {
            base.OnElementChanged(e);
            nativeTextView = Control;
            if (nativeTextView == null)
            {
                return;
            }

			if (this.Element != null)
				formsEntry = this.Element as CustomEntry;

			if (formsEntry != null && !string.IsNullOrEmpty (formsEntry.BackGroundImageName)) {
				Android.Graphics.Drawables.Drawable drawable = Resources.GetDrawable (Resource.Drawable.comnt_box);
				nativeTextView.Background = drawable;
			} 
			else 
			{
				nativeTextView.SetBackgroundColor(Android.Graphics.Color.White);
				nativeTextView.SetHintTextColor(Android.Graphics.Color.Gray);
			}

            nativeTextView.SetTextColor(Android.Graphics.Color.Gray);
            if (nativeTextView != null)
            {
                if (nativeTextView.Text != null)
                {
                   // nativeTextView.SetTextColor(Android.Graphics.Color.Black);
                }
                
            }
            if (App.screenDensity > 1.5)
            {
                nativeTextView.SetTextSize(Android.Util.ComplexUnitType.Pt, 8);
            }
            else
            {
                nativeTextView.SetTextSize(Android.Util.ComplexUnitType.Pt, 9);
            }
        }

        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);

            abs = new AbsoluteLayout(this);

            sensorText = new TextView(this);
            sensorText.SetBackgroundColor(new Color(192, 192, 192));
            sensorText.Gravity = GravityFlags.Center;

            SetContentView(abs);

            sensorManager = (SensorManager)GetSystemService(SensorService);

            //Point prealsize = new Point();
            //WindowManager.DefaultDisplay.GetRealSize(prealsize); // ディスプレイサイズ取得（4.2以降）
            //Log.Debug("Info", string.Format("Width(GetRealSize): {0}, Height(GetRealSize): {1}", prealsize.X ,prealsize.Y);

            //Point psize = new Point();
            //WindowManager.DefaultDisplay.GetSize(psize); // ナビゲーションバー以外のサイズ
            //Log.Debug("Info", string.Format("Width(GetSize): {0}, Height(GetSize): {1}", psize.X, psize.Y);
        }

        protected override void OnCreate(Bundle savedInstanceState)
        {
            base.OnCreate(savedInstanceState);
            //先初始化BMapManager
            DemoApplication app = (DemoApplication)this.Application;
            if (app.mBMapManager == null)
            {
                app.mBMapManager = new BMapManager(this);

                app.mBMapManager.Init(
                        new DemoApplication.MyGeneralListener());
            }
            SetContentView(Resource.Layout.activity_panorama_main);
            mPanoramaView = FindViewById<PanoramaView>(Resource.Id.panorama);
            //UI初始化
            mBtn = FindViewById<Button>(Resource.Id.button);
            mBtn.Visibility = ViewStates.Invisible;
            //道路名
            mRoadName = FindViewById<TextView>(Resource.Id.road);
            mRoadName.Visibility = ViewStates.Visible;
            mRoadName.Text = "百度全景";
            mRoadName.SetBackgroundColor(Color.Argb(200, 5, 5, 5));  //背景透明度
            mRoadName.SetTextColor(Color.Argb(255, 250, 250, 250));  //文字透明度
            mRoadName.TextSize = 22;
            //跳转进度条
            pd = new ProgressDialog(this);
            pd.SetMessage("跳转中……");
            pd.SetCancelable(true);//设置进度条是否可以按退回键取消 

            //初始化Searvice
            mService = PanoramaService.GetInstance(ApplicationContext);
            mCallback = new IPanoramaServiceCallbackImpl(this);
            //设置全景图监听
            mPanoramaView.SetPanoramaViewListener(this);

            //解析输入
            ParseInput();
        }

        public TestRunDetailsView(Context context, TestRunInfo testRunDetails) : base(context)
        {
            Orientation = Orientation.Vertical;

            var titleTextView = new TextView(context)
            {
                LayoutParameters = new LayoutParams(ViewGroup.LayoutParams.FillParent, 48)
            };

            titleTextView.SetBackgroundColor(Color.Argb(255,50,50,50));
            titleTextView.SetPadding(20,0,20,0);

            titleTextView.Gravity = GravityFlags.CenterVertical;
            titleTextView.Text = testRunDetails.Description;
            titleTextView.Ellipsize = TextUtils.TruncateAt.Start;

            _descriptionTextView = new TextView(context)
            {
                LayoutParameters = new LayoutParams(
                    ViewGroup.LayoutParams.FillParent, ViewGroup.LayoutParams.WrapContent)
                {
                    LeftMargin = 40,
                    RightMargin = 40
                }
            };

            var scrollView = new ScrollView(context)
            {
                LayoutParameters = new LayoutParams(
                    ViewGroup.LayoutParams.FillParent, ViewGroup.LayoutParams.FillParent)
            };

            scrollView.AddView(_descriptionTextView);

            AddView(titleTextView);
            AddView(scrollView);
        }

 private View createDoubleHour(Context context, string ev)
 {
     TextView view = new TextView(context);
     view.SetPadding(0, 0, 20, 0);
     view.SetBackgroundColor(Android.Graphics.Color.White);
     string[] spl = ev.Split('a');
     view.Text = spl[0].TrimEnd(' ')+"\na"+spl[1];
     view.SetTextColor(Android.Graphics.Color.ParseColor("#3B3477"));
     view.Gravity = GravityFlags.Right;
     return view;
 }

        /// <summary>
        /// Raises the create event.
        /// </summary>
        /// <param name="bundle">Bundle.</param>
        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);

            // hide title bar.
            this.RequestWindowFeature(global::Android.Views.WindowFeatures.NoTitle);

            // initialize map.
            var map = new Map();
            map.AddLayer(new LayerMBTile(OsmSharp.Android.UI.Data.SQLite.SQLiteConnection.CreateFrom(
                Assembly.GetExecutingAssembly().GetManifestResourceStream(@"OsmSharp.Android.UI.Sample.kempen.mbtiles"), "map")));
            // add a tile layer.

            //var layer = new LayerTile(@"http://a.tiles.mapbox.com/v3/osmsharp.i8ckml0l/{0}/{1}/{2}.png");
            //map.AddLayer(layer);
            //layer.IsVisible = false;
            //map.AddLayer(new LayerTile(@"http://a.tiles.mapbox.com/v3/osmsharp.i8ckml0l/{0}/{1}/{2}.png"));
            //map.AddLayerGpx(Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Android.UI.Sample.regression1.gpx"));
            //
            // add an on-line osm-data->mapCSS translation layer.
            //map.AddLayer(new OsmLayer(dataSource, mapCSSInterpreter));
            // add a preprocessed vector data file.
            //var sceneStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(@"OsmSharp.Android.UI.Sample.default.map");
            //map.AddLayer(new LayerScene(Scene2D.Deserialize(sceneStream, true)));

            //// define dummy from and to points.
            //var from = new GeoCoordinate(51.261203, 4.780760);
            //var to = new GeoCoordinate(51.267797, 4.801362);

            //// deserialize the preprocessed graph.
            //var routingSerializer = new CHEdgeDataDataSourceSerializer();
            //var graphStream = Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Android.UI.Sample.kempen-big.osm.pbf.routing");
            //var graphDeserialized = routingSerializer.Deserialize(graphStream, true);

            //// initialize router.
            //_router = Router.CreateCHFrom(graphDeserialized, new CHRouter(), new OsmRoutingInterpreter());

            //// resolve points.
            //var routerPoint1 = _router.Resolve(Vehicle.Car, from);
            //var routerPoint2 = _router.Resolve(Vehicle.Car, to);

            //// calculate route.
            //var route = _router.Calculate(Vehicle.Car, routerPoint1, routerPoint2);

            //// add a router layer.
            //_routeLayer = new LayerRoute(map.Projection);
            //_routeLayer.AddRoute(route, SimpleColor.FromKnownColor(KnownColor.Blue, 125).Value, 12);
            //map.AddLayer(_routeLayer);

            // define the mapview.
            _mapView = new MapView(this, new MapViewSurface(this));
            //_mapView = new MapView(this, new MapViewGLSurface(this));
            //_mapView.MapTapEvent += new MapViewEvents.MapTapEventDelegate(_mapView_MapTapEvent);
            _mapView.MapTapEvent += _mapView_MapTapEvent;
            _mapView.Map = map;
            //_mapView.MapMaxZoomLevel = 20;
            //_mapView.MapMinZoomLevel = 10;
            _mapView.MapTilt = 0;
            _mapView.MapCenter = new GeoCoordinate(51.261203, 4.780760);
            _mapView.MapZoom = 16;
            _mapView.MapAllowTilt = false;

            _mapView.MapTouchedUp += _mapView_MapTouchedUp;
            _mapView.MapTouched += _mapView_MapTouched;
            _mapView.MapTouchedDown += _mapView_MapTouchedDown;

            // AddMarkers();
            // AddControls();

            // initialize a text view to display routing instructions.
            _textView = new TextView(this);
            _textView.SetBackgroundColor(global::Android.Graphics.Color.White);
            _textView.SetTextColor(global::Android.Graphics.Color.Black);

            // add the mapview to the linear layout.
            var layout = new RelativeLayout(this);
            //layout.Orientation = Orientation.Vertical;
            //layout.AddView(_textView);
            layout.AddView(_mapView);

            // create the route tracker animator.
            //_routeTrackerAnimator = new RouteTrackerAnimator(_mapView, routeTracker, 5, 17);

            // simulate a mapzoom change every 5 seconds.
            //Timer timer = new Timer(5000);
            //timer.Elapsed += new ElapsedEventHandler(TimerHandler);
            //timer.Start();

            _centerMarker = _mapView.AddMarker(_mapView.MapCenter);

            _mapView.MapInitialized += _mapView_MapInitialized;

            SetContentView(layout);
        }

                public DoubleNewsListItem( Context context ) : base( context )
                {
                    Orientation = Orientation.Horizontal;

                    SetBackgroundColor( Rock.Mobile.UI.Util.GetUIColor( ControlStylingConfig.BackgroundColor ) );

                    LeftLayout = new RelativeLayout( Rock.Mobile.PlatformSpecific.Android.Core.Context );
                    LeftLayout.LayoutParameters = new LinearLayout.LayoutParams( NavbarFragment.GetCurrentContainerDisplayWidth( ) / 2, LayoutParams.WrapContent );
                    AddView( LeftLayout );

                    LeftImage = new Rock.Mobile.PlatformSpecific.Android.Graphics.AspectScaledImageView( Rock.Mobile.PlatformSpecific.Android.Core.Context );
                    LeftImage.LayoutParameters = new LinearLayout.LayoutParams( NavbarFragment.GetCurrentContainerDisplayWidth( ) / 2, LayoutParams.WrapContent );
                    ( (LinearLayout.LayoutParams)LeftImage.LayoutParameters ).Gravity = GravityFlags.CenterVertical;
                    LeftImage.SetScaleType( ImageView.ScaleType.CenterCrop );
                    LeftLayout.AddView( LeftImage );

                    LeftButton = new Button( Rock.Mobile.PlatformSpecific.Android.Core.Context );
                    LeftButton.LayoutParameters = LeftImage.LayoutParameters;
                    LeftButton.Background = null;
                    LeftButton.Click += (object sender, EventArgs e ) =>
                        {
                            // notify our parent that the image index was clicked
                            ParentAdapter.RowItemClicked( LeftImageIndex );
                        };
                    LeftLayout.AddView( LeftButton );

                    LeftPrivateOverlay = new TextView( context );
                    LeftPrivateOverlay.LayoutParameters = new RelativeLayout.LayoutParams( ViewGroup.LayoutParams.MatchParent, ViewGroup.LayoutParams.WrapContent );
                    LeftPrivateOverlay.SetBackgroundColor( Android.Graphics.Color.Red );
                    LeftPrivateOverlay.Alpha = .60f;
                    LeftPrivateOverlay.Text = "Private";
                    LeftPrivateOverlay.Gravity = GravityFlags.Center;
                    LeftLayout.AddView( LeftPrivateOverlay );


                    RightLayout = new RelativeLayout( Rock.Mobile.PlatformSpecific.Android.Core.Context );
                    RightLayout.LayoutParameters = new LinearLayout.LayoutParams( NavbarFragment.GetCurrentContainerDisplayWidth( ) / 2, LayoutParams.WrapContent );
                    AddView( RightLayout );

                    RightImage = new Rock.Mobile.PlatformSpecific.Android.Graphics.AspectScaledImageView( Rock.Mobile.PlatformSpecific.Android.Core.Context );
                    RightImage.LayoutParameters = new LinearLayout.LayoutParams( NavbarFragment.GetCurrentContainerDisplayWidth( ) / 2, LayoutParams.WrapContent );
                    ( (LinearLayout.LayoutParams)RightImage.LayoutParameters ).Gravity = GravityFlags.CenterVertical;
                    RightImage.SetScaleType( ImageView.ScaleType.CenterCrop );
                    RightLayout.AddView( RightImage );

                    RightButton = new Button( Rock.Mobile.PlatformSpecific.Android.Core.Context );
                    RightButton.LayoutParameters = RightImage.LayoutParameters;
                    RightButton.Background = null;
                    RightButton.Click += (object sender, EventArgs e ) =>
                        {
                            // notify our parent that the image index was clicked
                            ParentAdapter.RowItemClicked( LeftImageIndex + 1 );
                        };
                    RightLayout.AddView( RightButton );

                    RightPrivateOverlay = new TextView( context );
                    RightPrivateOverlay.LayoutParameters = new RelativeLayout.LayoutParams( NavbarFragment.GetCurrentContainerDisplayWidth( ) / 2, ViewGroup.LayoutParams.WrapContent );
                    RightPrivateOverlay.SetBackgroundColor( Android.Graphics.Color.Red );
                    RightPrivateOverlay.Alpha = .60f;
                    RightPrivateOverlay.Text = "Private";
                    RightPrivateOverlay.Gravity = GravityFlags.Center;
                    RightLayout.AddView( RightPrivateOverlay );
                }