下面列出了android.graphics.Color#MAGENTA 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
private static Integer getColorByName(String name) {
switch (name.toLowerCase()) {
case "black":
return Color.BLACK;
case "gray":
return Color.GRAY;
case "red":
return Color.RED;
case "green":
return Color.GREEN;
case "blue":
return Color.BLUE;
case "yellow":
return Color.YELLOW;
case "cyan":
return Color.CYAN;
case "magenta":
return Color.MAGENTA;
case "white":
return Color.WHITE;
}
return null;
}
private int getColor(int color) {
if (color == 1 && !foundBlue) {
foundBlue = true;
return Color.BLUE;
} else if (color == 2 && !foundGreen) {
foundGreen = true;
return Color.GREEN;
} else if (color == 4 && !foundPink) {
foundPink = true;
return Color.MAGENTA;
} else if (color == 5 && !foundRed) {
foundRed = true;
return Color.RED;
} else if (color == 6) {
return Color.WHITE;
} else if (color == 7) {
return Color.WHITE;
} else if (color == 8) {
return Color.LTGRAY;
} else if (color == 9) {
return Color.LTGRAY;
}else {
return Color.BLACK;
}
}
public DrawingView(Context context, AttributeSet attrs) {
super(context, attrs);
colors = new int[] { Color.BLUE, Color.CYAN, Color.GREEN,
Color.MAGENTA, Color.YELLOW, Color.RED, Color.WHITE };
random = new Random();
nextColor = random.nextInt(colors.length);
for (int i = 0; i < colors.length; i++) {
Paint paint = new Paint();
paint.setAntiAlias(true);
paint.setColor(colors[i]);
paint.setStyle(Paint.Style.STROKE);
paint.setStrokeJoin(Paint.Join.ROUND);
paint.setStrokeWidth(STROKE_WIDTH);
paints.add(paint);
}
}
void setTextAppearanceCompatWithErrorFallback(
@NonNull TextView textView, @StyleRes int textAppearance) {
boolean useDefaultColor = false;
try {
TextViewCompat.setTextAppearance(textView, textAppearance);
if (VERSION.SDK_INT >= VERSION_CODES.M
&& textView.getTextColors().getDefaultColor() == Color.MAGENTA) {
// Caused by our theme not extending from Theme.Design*. On API 23 and
// above, unresolved theme attrs result in MAGENTA rather than an exception.
// Flag so that we use a decent default
useDefaultColor = true;
}
} catch (Exception e) {
// Caused by our theme not extending from Theme.Design*. Flag so that we use
// a decent default
useDefaultColor = true;
}
if (useDefaultColor) {
// Probably caused by our theme not extending from Theme.Design*. Instead
// we manually set something appropriate
TextViewCompat.setTextAppearance(textView, R.style.TextAppearance_AppCompat_Caption);
textView.setTextColor(ContextCompat.getColor(getContext(), R.color.design_error));
}
}
public Style getDefaultStyle()
throws Exception
{
switch (mGeometryType) {
case GTPoint:
case GTMultiPoint:
return new SimpleMarkerStyle(
Color.RED, Color.BLACK, 6, SimpleMarkerStyle.MarkerStyleCircle);
case GTLineString:
case GTMultiLineString:
return new SimpleLineStyle(Color.GREEN, Color.BLUE, SimpleLineStyle.LineStyleSolid);
case GTPolygon:
case GTMultiPolygon:
return new SimplePolygonStyle(Color.MAGENTA, Color.MAGENTA);
default:
throw new Exception("Unknown geometry type: " + mGeometryType);
}
}
ColorList() {
num = 0; //set to first color in list
colors = new ColorData[]{
new ColorData("Red", Color.RED),
new ColorData("Blue", Color.BLUE),
new ColorData("Cyan", Color.CYAN),
new ColorData("Orange", Color.rgb(255, 165, 0)),
//Android's green is lime.
//new ColorData("Green", Color.GREEN),
new ColorData("Green", Color.rgb(0, 128, 0)),
new ColorData("Magenta", Color.MAGENTA),
new ColorData("Pink", Color.rgb(255, 192, 203)),
new ColorData("Yellow", Color.YELLOW),
new ColorData("Gray", Color.GRAY),
new ColorData("Light Gray", Color.LTGRAY),
new ColorData("Dark Gray", Color.DKGRAY),
new ColorData("Lime", Color.rgb(0, 255, 0)),
new ColorData("Olive", Color.rgb(128, 128, 0)),
new ColorData("Purple", Color.rgb(128, 0, 128)),
new ColorData("Teal", Color.rgb(0, 128, 128)),
new ColorData("Navy", Color.rgb(0, 0, 128)),
new ColorData("Golden Rod", Color.rgb(218, 165, 32)),
new ColorData("Dark Olive Green", Color.rgb(85, 107, 47)),
new ColorData("Khaki", Color.rgb(240, 230, 140)),
new ColorData("Steel Blue", Color.rgb(70, 130, 180)),
new ColorData("Dark Orchid", Color.rgb(153, 50, 204)),
new ColorData("White", Color.WHITE),
new ColorData() //black.
};
}
private float getXTarget() {
if (recognition.getColor() == Color.BLUE) {
return 0.1f;
} else if (recognition.getColor() == Color.GREEN) {
return 0.9f;
} else if (recognition.getColor() == Color.MAGENTA) {
return 0.9f;
} else {
return 0.1f;
}
}
private Bitmap createColorWheelBitmap(int width, int height) {
Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
LinearGradient gradientShader = new LinearGradient(0, 0, width, 0, new int[]{Color.RED, Color.YELLOW, Color.GREEN, Color.CYAN, Color.BLUE, Color.MAGENTA, Color.RED}, null, Shader.TileMode.CLAMP);
LinearGradient alphaShader = new LinearGradient(0, (height / 3), 0, height, new int[]{Color.WHITE, Color.TRANSPARENT}, null, Shader.TileMode.CLAMP);
ComposeShader composeShader = new ComposeShader(alphaShader, gradientShader, PorterDuff.Mode.MULTIPLY);
colorWheelPaint.setShader(composeShader);
Canvas canvas = new Canvas(bitmap);
canvas.drawRect(0, 0, width, height, colorWheelPaint);
return bitmap;
}
private void updateShader(){
int[] gradient = new int[]{Color.RED, Color.YELLOW, Color.GREEN,
Color.CYAN, Color.BLUE, Color.MAGENTA, Color.RED};
SweepGradient rainbow = new SweepGradient(center.x, center.y, gradient, null);
paint.setShader(rainbow);
}
private static List<StickerBuilder> getStickerBuilders(Context context) throws IOException {
List<StickerBuilder> stickerBuilders = new ArrayList<>();
int[] stickerColors = new int[] {Color.GREEN, Color.RED, Color.BLUE,
Color.YELLOW, Color.MAGENTA};
File stickersDir = new File(context.getFilesDir(), "stickers");
if (!stickersDir.exists() && !stickersDir.mkdirs()) {
throw new IOException("Stickers directory does not exist");
}
for (int i = 0; i < stickerColors.length; i++) {
String stickerFilename = getStickerFilename(i);
File stickerFile = new File(stickersDir, stickerFilename);
String imageUrl = getStickerUrl(stickerFilename);
writeSolidColorBitmapToFile(stickerFile, stickerColors[i]);
StickerBuilder stickerBuilder = Indexables.stickerBuilder()
.setName(getStickerFilename(i))
// Firebase App Indexing unique key that must match an intent-filter
// (e.g. mystickers://sticker/0)
.setUrl(String.format(STICKER_URL_PATTERN, i))
// http url or content uri that resolves to the sticker
// (e.g. http://www.google.com/sticker.png or content://some/path/0)
.setImage(imageUrl)
.setDescription("content description")
.setIsPartOf(Indexables.stickerPackBuilder()
.setName(STICKER_PACK_NAME))
.put("keywords", "tag1", "tag2");
stickerBuilders.add(stickerBuilder);
}
return stickerBuilders;
}
static ColorStateList inflateColorStateList(Context context, XmlPullParser parser, AttributeSet attrs) throws IOException, XmlPullParserException {
final int innerDepth = parser.getDepth() + 1;
int depth;
int type;
LinkedList<int[]> stateList = new LinkedList<>();
LinkedList<Integer> colorList = new LinkedList<>();
while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
&& ((depth = parser.getDepth()) >= innerDepth || type != XmlPullParser.END_TAG)) {
if (type != XmlPullParser.START_TAG || depth > innerDepth
|| !parser.getName().equals("item")) {
continue;
}
TypedArray a1 = context.obtainStyledAttributes(attrs, new int[]{android.R.attr.color});
final int value = a1.getResourceId(0, Color.MAGENTA);
final int baseColor = value == Color.MAGENTA ? Color.MAGENTA : ThemeUtils.replaceColorById(context, value);
a1.recycle();
TypedArray a2 = context.obtainStyledAttributes(attrs, new int[]{android.R.attr.alpha});
final float alphaMod = a2.getFloat(0, 1.0f);
a2.recycle();
colorList.add(alphaMod != 1.0f
? ColorUtils.setAlphaComponent(baseColor, Math.round(Color.alpha(baseColor) * alphaMod))
: baseColor);
stateList.add(extractStateSet(attrs));
}
if (stateList.size() > 0 && stateList.size() == colorList.size()) {
int[] colors = new int[colorList.size()];
for (int i = 0; i < colorList.size(); i++) {
colors[i] = colorList.get(i);
}
return new ColorStateList(stateList.toArray(new int[stateList.size()][]), colors);
}
return null;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.piechart);
update();
final PieChart pieChart = (PieChart) findViewById(R.id.piechart);
final int[] colors = new int[]{Color.RED,Color.BLACK,Color.BLUE,Color.GREEN,Color.GRAY,
Color.YELLOW,Color.LTGRAY,Color.CYAN,Color.MAGENTA};
final PieChartData pieChartData = PieChartData.builder()
.setDatas(datas)
//.setColors(colors)
//.setTextColor(Color.RED)
//.setTextSize(36)
//.setSeparationDegree(3)
.setPieItemClickListener(new OnPieItemClickListener() {
@Override
public void onPieItemClick(int position) {
Toast.makeText(PieActivity.this,"click->"+position,Toast.LENGTH_SHORT).show();
}
}).build();
pieChart.setChartData(pieChartData);
findViewById(R.id.update).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
update();
pieChartData.setDatas(datas);
pieChart.update(pieChartData);
}
});
}
private Bitmap createColorWheelBitmap(int width, int height) {
Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
LinearGradient gradientShader = new LinearGradient(0, 0, width, 0, new int[]{Color.RED, Color.YELLOW, Color.GREEN, Color.CYAN, Color.BLUE, Color.MAGENTA, Color.RED}, null, Shader.TileMode.CLAMP);
LinearGradient alphaShader = new LinearGradient(0, (height / 3), 0, height, new int[]{Color.WHITE, Color.TRANSPARENT}, null, Shader.TileMode.CLAMP);
ComposeShader composeShader = new ComposeShader(alphaShader, gradientShader, PorterDuff.Mode.MULTIPLY);
colorWheelPaint.setShader(composeShader);
Canvas canvas = new Canvas(bitmap);
canvas.drawRect(0, 0, width, height, colorWheelPaint);
return bitmap;
}
public TestTheme(Context context)
{
super();
this.themeVersion = TESTDEF_VERSION;
this.themeName = TESTDEF_NAME;
this.themeIsDefault = true;
this.themeDisplayString = TESTDEF_DISPLAYSTRING;
this.themeBackground = TESTDEF_BACKGROUND;
this.themePadding = TESTDEF_PADDING;
this.themeTitleSize = TESTDEF_TITLESIZE;
this.themeTextSize = TESTDEF_TEXTSIZE;
this.themeTimeSize = TESTDEF_TIMESIZE;
this.themeTimeSuffixSize = TESTDEF_TIMESUFFIXSIZE;
this.themeTitleColor = ContextCompat.getColor(context, TESTDEF_TITLECOLOR_ID);
this.themeTextColor = ContextCompat.getColor(context, TESTDEF_TEXTCOLOR_ID);
this.themeTimeColor = ContextCompat.getColor(context, TESTDEF_TIMECOLOR_ID);
this.themeTimeSuffixColor = ContextCompat.getColor(context, TESTDEF_TIMESUFFIXCOLOR_ID);
this.themeSunriseTextColor = ContextCompat.getColor(context, TESTDEF_SUNRISECOLOR_ID);
this.themeSunriseIconColor = Color.GREEN;
this.themeSunriseIconStrokeColor = Color.YELLOW;
this.themeSunriseIconStrokeWidth = 1;
this.themeNoonTextColor = Color.WHITE;
this.themeNoonIconColor = Color.CYAN;
this.themeNoonIconStrokeColor = Color.MAGENTA;
this.themeNoonIconStrokeWidth = 2;
this.themeSunsetTextColor = ContextCompat.getColor(context, TESTDEF_SUNSETCOLOR_ID);
this.themeSunsetIconColor = Color.BLUE;
this.themeSunsetIconStrokeColor = Color.RED;
this.themeSunsetIconStrokeWidth = 3;
this.themeWinterColor = Color.BLUE;
this.themeSpringColor = Color.GREEN;
this.themeSummerColor = Color.YELLOW;
this.themeFallColor = Color.RED;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// get a reference to the scene view
mSceneView = findViewById(R.id.sceneView);
// create a scene and add it to the scene view
ArcGISScene scene = new ArcGISScene(Basemap.createImagery());
mSceneView.setScene(scene);
// add base surface for elevation data
final Surface surface = new Surface();
ArcGISTiledElevationSource elevationSource = new ArcGISTiledElevationSource(
getString(R.string.elevation_image_service_url));
surface.getElevationSources().add(elevationSource);
scene.setBaseSurface(surface);
// add a camera and initial camera position
Camera camera = new Camera(28.9, 45, 12000, 0, 45, 0);
mSceneView.setViewpointCamera(camera);
// add graphics overlay(s)
GraphicsOverlay graphicsOverlay = new GraphicsOverlay();
graphicsOverlay.getSceneProperties().setSurfacePlacement(LayerSceneProperties.SurfacePlacement.ABSOLUTE);
mSceneView.getGraphicsOverlays().add(graphicsOverlay);
int[] colors = { Color.RED, Color.GREEN, Color.BLUE, Color.MAGENTA, Color.CYAN, Color.WHITE };
SimpleMarkerSceneSymbol.Style[] symbolStyles = SimpleMarkerSceneSymbol.Style.values();
// for each symbol style (cube, cone, cylinder, diamond, sphere, tetrahedron)
for (int i = 0; i < symbolStyles.length; i++) {
SimpleMarkerSceneSymbol simpleMarkerSceneSymbol = new SimpleMarkerSceneSymbol(symbolStyles[i], colors[i], 200,
200, 200, SceneSymbol.AnchorPosition.CENTER);
Graphic graphic = new Graphic(new Point(44.975 + .01 * i, 29, 500, SpatialReferences.getWgs84()),
simpleMarkerSceneSymbol);
graphicsOverlay.getGraphics().add(graphic);
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_remote_control);
vibrator = (Vibrator) getSystemService(VIBRATOR_SERVICE);
// Setup Joystick UI to match sphero ball color
JoyStick joy1 = findViewById(R.id.joy1);
joy1.setListener(this);
joy1.setPadBackground(R.drawable.gray_pad);
if (MainActivity.spheroColor == Color.BLUE) {
joy1.setButtonDrawable(R.drawable.blue_btn);
} else if (MainActivity.spheroColor == Color.GREEN) {
joy1.setButtonDrawable(R.drawable.green_btn);
} else if (MainActivity.spheroColor == Color.YELLOW) {
joy1.setButtonDrawable(R.drawable.orange_btn);
} else if (MainActivity.spheroColor == Color.MAGENTA) {
joy1.setButtonDrawable(R.drawable.pink_btn);
} else {
joy1.setButtonDrawable(R.drawable.btn_1);
}
fallBackTimer = new Handler();
runnable = new Runnable() {
public void run() {
UserSetup.joinedGame = false;
finish();
}
};
fallBackTimer.postDelayed(runnable, 60000);
countDownTimer = findViewById(R.id.countDownText);
setEventListeners();
if (!UserSetup.joinedGame) {
headingEventListener = new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
int angle = Integer.valueOf(String.valueOf(dataSnapshot.getValue()));
if (!UserSetup.joinedGame && angle >= 0) {
MainActivity.robot.drive((float) angle, 0.18f);
disableJoystick = true;
}
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
};
MainActivity.databaseReference.child("heading").addValueEventListener(headingEventListener);
}
}
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
textView.setText("");
switch (buttonView.getId()) {
case R.id.insets:
// 慎重，会影响整个 Activity
setStatusBarTranslucent(isChecked);
getWindow().getDecorView().requestLayout();
textView.setText("将影响整个 Activity，打开 Drawer 看看");
break;
case R.id.tinting:
statusBarColor = isChecked ? Color.MAGENTA : Color.TRANSPARENT;
setNeedsStatusBarAppearanceUpdate();
if (statusBarHidden && isChecked) {
textView.setText("只有显示状态栏才能看到效果");
}
break;
case R.id.dark: // 深色状态栏 6.0 以上生效
statusBarStyle = isChecked ? BarStyle.DarkContent : BarStyle.LightContent;
setNeedsStatusBarAppearanceUpdate();
if (statusBarHidden && isChecked) {
textView.setText("只有显示状态栏才能看到效果");
}
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
textView.setText("只有在 6.0 以上系统才能看到效果");
}
break;
case R.id.hidden:
statusBarHidden = isChecked;
setNeedsStatusBarAppearanceUpdate();
break;
case R.id.adjust:
if (isChecked) {
appendStatusBarPadding(toolbar);
} else {
removeStatusBarPadding(toolbar);
}
break;
}
}
private int getCurrentColor(final int[] stateSet) {
return colorStateList == null
? Color.MAGENTA
: colorStateList.getColorForState(stateSet, colorStateList.getDefaultColor());
}
public DuotoneEffect() {
this(Color.MAGENTA, Color.YELLOW);
}
private void startNavigation(RouteTask routeTask, RouteParameters routeParameters, RouteResult routeResult) {
// clear any graphics from the current graphics overlay
mMapView.getGraphicsOverlays().get(0).getGraphics().clear();
// get the route's geometry from the route result
Polyline routeGeometry = routeResult.getRoutes().get(0).getRouteGeometry();
// create a graphic (with a dashed line symbol) to represent the route
mRouteAheadGraphic = new Graphic(routeGeometry,
new SimpleLineSymbol(SimpleLineSymbol.Style.DASH, Color.MAGENTA, 5f));
mMapView.getGraphicsOverlays().get(0).getGraphics().add(mRouteAheadGraphic);
// create a graphic (solid) to represent the route that's been traveled (initially empty)
mRouteTraveledGraphic = new Graphic(routeGeometry,
new SimpleLineSymbol(SimpleLineSymbol.Style.SOLID, Color.BLUE, 5f));
mMapView.getGraphicsOverlays().get(0).getGraphics().add(mRouteTraveledGraphic);
// get the map view's location display
LocationDisplay locationDisplay = mMapView.getLocationDisplay();
// set up a simulated location data source which simulates movement along the route
mSimulatedLocationDataSource = new SimulatedLocationDataSource();
SimulationParameters simulationParameters = new SimulationParameters(Calendar.getInstance(), 35, 5, 5);
mSimulatedLocationDataSource.setLocations(routeGeometry, simulationParameters);
// set the simulated location data source as the location data source for this app
locationDisplay.setLocationDataSource(mSimulatedLocationDataSource);
locationDisplay.setAutoPanMode(LocationDisplay.AutoPanMode.NAVIGATION);
// if the user navigates the map view away from the location display, activate the recenter button
locationDisplay.addAutoPanModeChangedListener(autoPanModeChangedEvent -> mRecenterButton.setEnabled(true));
// set up a RouteTracker for navigation along the calculated route
mRouteTracker = new RouteTracker(getApplicationContext(), routeResult, 0);
mRouteTracker.enableReroutingAsync(routeTask, routeParameters,
RouteTracker.ReroutingStrategy.TO_NEXT_WAYPOINT, true);
// get a reference to navigation text views
TextView distanceRemainingTextView = findViewById(R.id.distanceRemainingTextView);
TextView timeRemainingTextView = findViewById(R.id.timeRemainingTextView);
TextView nextDirectionTextView = findViewById(R.id.nextDirectionTextView);
// listen for changes in location
locationDisplay.addLocationChangedListener(locationChangedEvent -> {
// track the location and update route tracking status
ListenableFuture<Void> trackLocationFuture = mRouteTracker.trackLocationAsync(locationChangedEvent.getLocation());
trackLocationFuture.addDoneListener(() -> {
// listen for new voice guidance events
mRouteTracker.addNewVoiceGuidanceListener(newVoiceGuidanceEvent -> {
// use Android's text to speech to speak the voice guidance
speakVoiceGuidance(newVoiceGuidanceEvent.getVoiceGuidance().getText());
nextDirectionTextView
.setText(getString(R.string.next_direction, newVoiceGuidanceEvent.getVoiceGuidance().getText()));
});
// get the route's tracking status
TrackingStatus trackingStatus = mRouteTracker.getTrackingStatus();
// set geometries for the route ahead and the remaining route
mRouteAheadGraphic.setGeometry(trackingStatus.getRouteProgress().getRemainingGeometry());
mRouteTraveledGraphic.setGeometry(trackingStatus.getRouteProgress().getTraversedGeometry());
// get remaining distance information
TrackingStatus.Distance remainingDistance = trackingStatus.getDestinationProgress().getRemainingDistance();
// covert remaining minutes to hours:minutes:seconds
String remainingTimeString = DateUtils
.formatElapsedTime((long) (trackingStatus.getDestinationProgress().getRemainingTime() * 60));
// update text views
distanceRemainingTextView.setText(getString(R.string.distance_remaining, remainingDistance.getDisplayText(),
remainingDistance.getDisplayTextUnits().getPluralDisplayName()));
timeRemainingTextView.setText(getString(R.string.time_remaining, remainingTimeString));
// if a destination has been reached
if (trackingStatus.getDestinationStatus() == DestinationStatus.REACHED) {
// if there are more destinations to visit. Greater than 1 because the start point is considered a "stop"
if (mRouteTracker.getTrackingStatus().getRemainingDestinationCount() > 1) {
// switch to the next destination
mRouteTracker.switchToNextDestinationAsync();
Toast.makeText(this, "Navigating to the second stop, the Fleet Science Center.", Toast.LENGTH_LONG).show();
} else {
Toast.makeText(this, "Arrived at the final destination.", Toast.LENGTH_LONG).show();
}
}
});
});
// start the LocationDisplay, which starts the SimulatedLocationDataSource
locationDisplay.startAsync();
Toast.makeText(this, "Navigating to the first stop, the USS San Diego Memorial.", Toast.LENGTH_LONG).show();
}