List of usage examples for android.graphics Color alpha
@IntRange(from = 0, to = 255) public static int alpha(int color)
From source file:android.support.v7.internal.widget.ThemeUtils.java
static int getThemeAttrColor(Context context, int attr, float alpha) { final int color = getThemeAttrColor(context, attr); final int originalAlpha = Color.alpha(color); return ColorUtils.setAlphaComponent(color, Math.round(originalAlpha * alpha)); }
From source file:com.danimahardhika.android.helpers.core.ColorHelper.java
@ColorInt public static int setColorAlpha(@ColorInt int color, @FloatRange(from = 0.0f, to = 1.0f) float alpha) { int alpha2 = Math.round(Color.alpha(color) * alpha); int red = Color.red(color); int green = Color.green(color); int blue = Color.blue(color); return Color.argb(alpha2, red, green, blue); }
From source file:org.opensilk.common.ui.util.ThemeUtils.java
public static int getThemeAttrColor(Context context, int attr, float alpha) { final int color = getThemeAttrColor(context, attr); final int originalAlpha = Color.alpha(color); // Return the color, multiplying the original alpha by the disabled value return (color & 0x00ffffff) | (Math.round(originalAlpha * alpha) << 24); }
From source file:com.simplecity.amp_library.utils.color.ColorHelper.java
/** * Finds a suitable alpha such that there's enough contrast. * * @param color the color to start searching from. * @param backgroundColor the color to ensure contrast against. * @param minRatio the minimum contrast ratio required. * @return the same color as {@param color} with potentially modified alpha to meet contrast *//*ww w. ja v a2 s.co m*/ private static int findAlphaToMeetContrast(int color, int backgroundColor, double minRatio) { int fg = color; int bg = backgroundColor; if (ColorUtilsFromCompat.calculateContrast(fg, bg) >= minRatio) { return color; } int startAlpha = Color.alpha(color); int r = Color.red(color); int g = Color.green(color); int b = Color.blue(color); int low = startAlpha, high = 255; for (int i = 0; i < 15 && high - low > 0; i++) { final int alpha = (low + high) / 2; fg = Color.argb(alpha, r, g, b); if (ColorUtilsFromCompat.calculateContrast(fg, bg) > minRatio) { high = alpha; } else { low = alpha; } } return Color.argb(high, r, g, b); }
From source file:com.todoroo.astrid.notes.CommentsController.java
public void reloadView() { if (!preferences.getBoolean(R.string.p_show_task_edit_comments, true)) { return;//from ww w .jav a2 s .c o m } items.clear(); commentsContainer.removeAllViews(); metadataDao.byTaskAndKey(task.getId(), NoteMetadata.METADATA_KEY, metadata -> items.add(NoteOrUpdate.fromMetadata(metadata))); userActivityDao.getCommentsForTask(task.getUuid(), update -> items.add(NoteOrUpdate.fromUpdate(update))); Collections.sort(items, (a, b) -> { if (a.createdAt < b.createdAt) { return 1; } else if (a.createdAt == b.createdAt) { return 0; } else { return -1; } }); for (int i = 0; i < Math.min(items.size(), commentItems); i++) { View notesView = this.getUpdateNotes(items.get(i), commentsContainer); commentsContainer.addView(notesView); } if (items.size() > commentItems) { Button loadMore = new Button(activity); loadMore.setText(R.string.TEA_load_more); loadMore.setTextColor(getColor(activity, R.color.text_secondary)); loadMore.setBackgroundColor(Color.alpha(0)); loadMore.setOnClickListener(v -> { // Perform action on click commentItems += 10; reloadView(); }); commentsContainer.addView(loadMore); } }
From source file:android.support.design.testutils.TestUtilsMatchers.java
/** * Returns a matcher that matches TextViews with the specified text color. *///from w w w . j av a2 s .c o m public static Matcher withTextColor(final @ColorInt int textColor) { return new BoundedMatcher<View, TextView>(TextView.class) { private String failedCheckDescription; @Override public void describeTo(final Description description) { description.appendText(failedCheckDescription); } @Override public boolean matchesSafely(final TextView view) { final @ColorInt int ourTextColor = view.getCurrentTextColor(); if (ourTextColor != textColor) { int ourAlpha = Color.alpha(ourTextColor); int ourRed = Color.red(ourTextColor); int ourGreen = Color.green(ourTextColor); int ourBlue = Color.blue(ourTextColor); int expectedAlpha = Color.alpha(textColor); int expectedRed = Color.red(textColor); int expectedGreen = Color.green(textColor); int expectedBlue = Color.blue(textColor); failedCheckDescription = "expected color to be [" + expectedAlpha + "," + expectedRed + "," + expectedGreen + "," + expectedBlue + "] but found [" + ourAlpha + "," + ourRed + "," + ourGreen + "," + ourBlue + "]"; return false; } return true; } }; }
From source file:app.philm.in.view.InsetFrameLayout.java
public void setInsetBackgroundColor(int color) { Resources r = getResources(); setInsetBackgroundColorRaw(Color.argb(Color.alpha(r.getColor(R.color.chrome_custom_background_alpha)), Color.red(color), Color.green(color), Color.blue(color))); }
From source file:org.mariotaku.twidere.view.TintedStatusFrameLayout.java
@Override public void setStatusBarColor(int color) { mColorPaint.setColor(0xFF000000 | color); mColorPaint.setAlpha(Color.alpha(color)); invalidate(); }
From source file:org.adw.library.widgets.discreteseekbar.internal.drawable.AlmostRippleDrawable.java
@Override public void doDraw(Canvas canvas, Paint paint) { Rect bounds = getBounds();//from ww w. ja v a 2 s .com int size = Math.min(bounds.width(), bounds.height()); float scale = mCurrentScale; int rippleColor = mRippleColor; int bgColor = mRippleBgColor; float radius = (size / 2); float radiusAnimated = radius * scale; if (scale > INACTIVE_SCALE) { if (bgColor != 0) { paint.setColor(bgColor); paint.setAlpha(decreasedAlpha(Color.alpha(bgColor))); canvas.drawCircle(bounds.centerX(), bounds.centerY(), radius, paint); } if (rippleColor != 0) { paint.setColor(rippleColor); paint.setAlpha(modulateAlpha(Color.alpha(rippleColor))); canvas.drawCircle(bounds.centerX(), bounds.centerY(), radiusAnimated, paint); } } }
From source file:com.bilibili.magicasakura.utils.ColorStateListUtils.java
static ColorStateList inflateColorStateList(Context context, XmlPullParser parser, AttributeSet attrs) throws IOException, XmlPullParserException { final int innerDepth = parser.getDepth() + 1; int depth;/*from www .j av a 2 s .c o m*/ 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; }