List of usage examples for android.graphics Color alpha
@IntRange(from = 0, to = 255) public static int alpha(int color)
From source file:com.bilibili.magicasakura.utils.ThemeUtils.java
static int getThemeAttrColor(Context context, @AttrRes 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.farmerbb.taskbar.adapter.StartMenuAdapter.java
@Override public @NonNull View getView(int position, View convertView, final @NonNull ViewGroup parent) { // Check if an existing view is being reused, otherwise inflate the view if (convertView == null) convertView = LayoutInflater.from(getContext()).inflate(isGrid ? R.layout.row_alt : R.layout.row, parent, false);/*w ww. j a v a 2 s . co m*/ final AppEntry entry = getItem(position); assert entry != null; final SharedPreferences pref = U.getSharedPreferences(getContext()); TextView textView = (TextView) convertView.findViewById(R.id.name); textView.setText(entry.getLabel()); Intent intent = new Intent(); intent.setComponent(ComponentName.unflattenFromString(entry.getComponentName())); ActivityInfo activityInfo = intent.resolveActivityInfo(getContext().getPackageManager(), 0); if (activityInfo != null) textView.setTypeface(null, isTopApp(activityInfo) ? Typeface.BOLD : Typeface.NORMAL); switch (pref.getString("theme", "light")) { case "light": textView.setTextColor(ContextCompat.getColor(getContext(), R.color.text_color)); break; case "dark": textView.setTextColor(ContextCompat.getColor(getContext(), R.color.text_color_dark)); break; } ImageView imageView = (ImageView) convertView.findViewById(R.id.icon); imageView.setImageDrawable(entry.getIcon(getContext())); LinearLayout layout = (LinearLayout) convertView.findViewById(R.id.entry); layout.setOnClickListener(view -> { LocalBroadcastManager.getInstance(getContext()) .sendBroadcast(new Intent("com.farmerbb.taskbar.HIDE_START_MENU")); U.launchApp(getContext(), entry.getPackageName(), entry.getComponentName(), entry.getUserId(getContext()), null, false, false); }); layout.setOnLongClickListener(view -> { int[] location = new int[2]; view.getLocationOnScreen(location); openContextMenu(entry, location); return true; }); layout.setOnGenericMotionListener((view, motionEvent) -> { int action = motionEvent.getAction(); if (action == MotionEvent.ACTION_BUTTON_PRESS && motionEvent.getButtonState() == MotionEvent.BUTTON_SECONDARY) { int[] location = new int[2]; view.getLocationOnScreen(location); openContextMenu(entry, location); } if (action == MotionEvent.ACTION_SCROLL && pref.getBoolean("visual_feedback", true)) view.setBackgroundColor(0); return false; }); if (pref.getBoolean("visual_feedback", true)) { layout.setOnHoverListener((v, event) -> { if (event.getAction() == MotionEvent.ACTION_HOVER_ENTER) { int backgroundTint = pref.getBoolean("transparent_start_menu", false) ? U.getAccentColor(getContext()) : U.getBackgroundTint(getContext()); //noinspection ResourceAsColor backgroundTint = ColorUtils.setAlphaComponent(backgroundTint, Color.alpha(backgroundTint) / 2); v.setBackgroundColor(backgroundTint); } if (event.getAction() == MotionEvent.ACTION_HOVER_EXIT) v.setBackgroundColor(0); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) v.setPointerIcon(PointerIcon.getSystemIcon(getContext(), PointerIcon.TYPE_DEFAULT)); return false; }); layout.setOnTouchListener((v, event) -> { v.setAlpha( event.getAction() == MotionEvent.ACTION_DOWN || event.getAction() == MotionEvent.ACTION_MOVE ? 0.5f : 1); return false; }); } return convertView; }
From source file:android.support.v7.content.res.AppCompatColorStateListInflater.java
private static int modulateColorAlpha(int color, float alphaMod) { return ColorUtils.setAlphaComponent(color, Math.round(Color.alpha(color) * alphaMod)); }
From source file:com.sckftr.android.app.view.InsetFrameLayout.java
public void setAnimationProgress(float progress) { this.mAnimationProgress = progress; float fraction = progress / (float) mAnimationDuration; setInsetBackgroundColor(Color.argb(evaluate(fraction, Color.alpha(mStartColor), Color.alpha(mEndColor)), //alpha evaluate(fraction, Color.red(mStartColor), Color.red(mEndColor)), // red evaluate(fraction, Color.green(mStartColor), Color.green(mEndColor)), // green evaluate(fraction, Color.blue(mStartColor), Color.blue(mEndColor)))); // blue }
From source file:com.jaredrummler.android.colorpicker.ColorPanelView.java
@Override protected void onDraw(Canvas canvas) { borderPaint.setColor(borderColor);/* w ww. jav a 2 s . c o m*/ colorPaint.setColor(color); if (shape == ColorShape.SQUARE) { if (borderWidthPx > 0) { canvas.drawRect(drawingRect, borderPaint); } if (alphaPattern != null) { alphaPattern.draw(canvas); } canvas.drawRect(colorRect, colorPaint); } else if (shape == ColorShape.CIRCLE) { final int outerRadius = getMeasuredWidth() / 2; if (borderWidthPx > 0) { canvas.drawCircle(getMeasuredWidth() / 2, getMeasuredHeight() / 2, outerRadius, borderPaint); } if (Color.alpha(color) < 255) { canvas.drawCircle(getMeasuredWidth() / 2, getMeasuredHeight() / 2, outerRadius - borderWidthPx, alphaPaint); } if (showOldColor) { canvas.drawArc(centerRect, 90, 180, true, originalPaint); canvas.drawArc(centerRect, 270, 180, true, colorPaint); } else { canvas.drawCircle(getMeasuredWidth() / 2, getMeasuredHeight() / 2, outerRadius - borderWidthPx, colorPaint); } } }
From source file:android.support.v7.testutils.TestUtils.java
/** * Checks whether all the pixels in the specified bitmap are of the same specified color. * * In case there is a color mismatch, the behavior of this method depends on the * <code>throwExceptionIfFails</code> parameter. If it is <code>true</code>, this method will * throw an <code>Exception</code> describing the mismatch. Otherwise this method will call * <code>Assert.fail</code> with detailed description of the mismatch. *///from w ww. j a v a2s . c o m public static void assertAllPixelsOfColor(String failMessagePrefix, @NonNull Bitmap bitmap, int bitmapWidth, int bitmapHeight, @ColorInt int color, int allowedComponentVariance, boolean throwExceptionIfFails) { int[] rowPixels = new int[bitmapWidth]; for (int row = 0; row < bitmapHeight; row++) { bitmap.getPixels(rowPixels, 0, bitmapWidth, 0, row, bitmapWidth, 1); for (int column = 0; column < bitmapWidth; column++) { int sourceAlpha = Color.alpha(rowPixels[column]); int sourceRed = Color.red(rowPixels[column]); int sourceGreen = Color.green(rowPixels[column]); int sourceBlue = Color.blue(rowPixels[column]); int expectedAlpha = Color.alpha(color); int expectedRed = Color.red(color); int expectedGreen = Color.green(color); int expectedBlue = Color.blue(color); int varianceAlpha = Math.abs(sourceAlpha - expectedAlpha); int varianceRed = Math.abs(sourceRed - expectedRed); int varianceGreen = Math.abs(sourceGreen - expectedGreen); int varianceBlue = Math.abs(sourceBlue - expectedBlue); boolean isColorMatch = (varianceAlpha <= allowedComponentVariance) && (varianceRed <= allowedComponentVariance) && (varianceGreen <= allowedComponentVariance) && (varianceBlue <= allowedComponentVariance); if (!isColorMatch) { String mismatchDescription = failMessagePrefix + ": expected all drawable colors to be [" + expectedAlpha + "," + expectedRed + "," + expectedGreen + "," + expectedBlue + "] but at position (" + row + "," + column + ") out of (" + bitmapWidth + "," + bitmapHeight + ") found [" + sourceAlpha + "," + sourceRed + "," + sourceGreen + "," + sourceBlue + "]"; if (throwExceptionIfFails) { throw new RuntimeException(mismatchDescription); } else { Assert.fail(mismatchDescription); } } } } }
From source file:com.cyrilmottier.android.polaris2demo.PolygonDemoActivity.java
@Override public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { if (mMutablePolygon == null) { return;/*from ww w. j a v a2 s . c o m*/ } if (seekBar == mColorBar) { mMutablePolygon.setFillColor( Color.HSVToColor(Color.alpha(mMutablePolygon.getFillColor()), new float[] { progress, 1, 1 })); } else if (seekBar == mAlphaBar) { int prevColor = mMutablePolygon.getFillColor(); mMutablePolygon.setFillColor( Color.argb(progress, Color.red(prevColor), Color.green(prevColor), Color.blue(prevColor))); } else if (seekBar == mWidthBar) { mMutablePolygon.setStrokeWidth(progress); } }
From source file:com.ridgelineapps.wallpaper.Utils.java
public static Paint copy(Paint paint) { int c = paint.getColor(); return Utils.createPaint(Color.alpha(c), Color.red(c), Color.green(c), Color.blue(c)); }
From source file:io.mpos.ui.shared.util.UiHelper.java
private static int setAlphaForColor(int color, float alphaFactor) { int alpha = Math.round(Color.alpha(color) * alphaFactor); int red = Color.red(color); int green = Color.green(color); int blue = Color.blue(color); return Color.argb(alpha, red, green, blue); }
From source file:im.ene.ribbon.FixedActionTabView.java
private void updateLayoutOnAnimation(final float fraction, final boolean expanded) { if (expanded) { final int color = (Integer) evaluator.evaluate(fraction, colorInactive, colorActive); icon.mutate().setColorFilter(color, PorterDuff.Mode.SRC_ATOP); textPaint.setColor(color);//w ww. j av a 2 s.c o m icon.setAlpha(Color.alpha(color)); } else { final int color = (Integer) evaluator.evaluate(fraction, colorActive, colorInactive); icon.mutate().setColorFilter(color, PorterDuff.Mode.SRC_ATOP); textPaint.setColor(color); icon.setAlpha(Color.alpha(color)); } }