Example usage for android.support.v4.graphics ColorUtils setAlphaComponent

Introduction

In this page you can find the example usage for android.support.v4.graphics ColorUtils setAlphaComponent.

Prototype

@ColorInt
public static int setAlphaComponent(@ColorInt int color, @IntRange(from = 0x0, to = 0xFF) int alpha) 

Source Link

Document

Set the alpha component of color to be alpha .

Usage

From source file:jp.tkgktyk.xposed.forcetouchdetector.app.util.fab.CircularBorderDrawable.java

/**
 * Creates a vertical {@link LinearGradient}
 * @return/* www  . jav a2s  . co  m*/
 */
private Shader createGradientShader() {
    final Rect rect = mRect;
    copyBounds(rect);

    final float borderRatio = mBorderWidth / rect.height();

    final int[] colors = new int[6];
    colors[0] = ColorUtils.compositeColors(mTopOuterStrokeColor, mTintColor);
    colors[1] = ColorUtils.compositeColors(mTopInnerStrokeColor, mTintColor);
    colors[2] = ColorUtils.compositeColors(ColorUtils.setAlphaComponent(mTopInnerStrokeColor, 0), mTintColor);
    colors[3] = ColorUtils.compositeColors(ColorUtils.setAlphaComponent(mBottomInnerStrokeColor, 0),
            mTintColor);
    colors[4] = ColorUtils.compositeColors(mBottomInnerStrokeColor, mTintColor);
    colors[5] = ColorUtils.compositeColors(mBottomOuterStrokeColor, mTintColor);

    final float[] positions = new float[6];
    positions[0] = 0f;
    positions[1] = borderRatio;
    positions[2] = 0.5f;
    positions[3] = 0.5f;
    positions[4] = 1f - borderRatio;
    positions[5] = 1f;

    return new LinearGradient(0, rect.top, 0, rect.bottom, colors, positions, Shader.TileMode.CLAMP);
}

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From source file:com.appsimobile.appsii.module.home.SunriseDrawable.java

void customTheme(int drawableResId, int colorPrimary, int textColor, int tintColor) {
    Resources res = mContext.getResources();
    mSunImage = res.getDrawable(drawableResId);
    DrawableCompat.setTintColorCompat(mSunImage, tintColor);
    mArcFillPaint.setColor(colorPrimary);
    mArcFillPaint.setColor(ColorUtils.setAlphaComponent(colorPrimary, 128));
    mLinePaint.setColor(textColor);/* www.jav  a 2s .c  o  m*/
    mDotPaint.setColor(tintColor);

    float density = res.getDisplayMetrics().density;
    int sunBounds = (int) (density * 16);
    mSunImage.setBounds(0, 0, sunBounds, sunBounds);

    Callback callback = getCallback();
    if (callback != null) {
        callback.invalidateDrawable(this);
    }
}

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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));
}

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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);//from  w  ww.  j  a v a  2 s. c om

    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;
}

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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));
}

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From source file:com.android.launcher3.dynamicui.ExtractedColors.java

/**
 * The hotseat's color is defined as follows:
 * - 12% black for super light wallpaper
 * - 18% white for super dark/*  w  w w .  ja  v  a 2  s . c  o  m*/
 * - 25% white otherwise
 */
public void updateHotseatPalette(Palette hotseatPalette) {
    int hotseatColor;
    if (hotseatPalette != null && ExtractionUtils.isSuperLight(hotseatPalette)) {
        hotseatColor = ColorUtils.setAlphaComponent(Color.BLACK, (int) (0.12f * 255));
    } else if (hotseatPalette != null && ExtractionUtils.isSuperDark(hotseatPalette)) {
        hotseatColor = ColorUtils.setAlphaComponent(Color.WHITE, (int) (0.18f * 255));
    } else {
        hotseatColor = ColorUtils.setAlphaComponent(Color.WHITE, (int) (0.25f * 255));
    }
    setColorAtIndex(HOTSEAT_INDEX, hotseatColor);
}

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From source file:org.tanrabad.survey.presenter.maps.BuildingMapMarkerFragment.java

private void addPlaceCircle() {
    LatLng placePosition = LocationUtils.convertLocationToLatLng(place.getLocation());
    int placeColor = ResourceUtils.from(getActivity()).getColor(R.color.water_blue);
    CircleOptions circleOptions = new CircleOptions();
    circleOptions.center(placePosition);
    circleOptions.radius(DISTANCE_LIMIT_IN_METER);
    circleOptions.fillColor(ColorUtils.setAlphaComponent(placeColor, 40));
    circleOptions.strokeColor(placeColor);
    circleOptions.strokeWidth(1);/*from   ww w  .j av a 2  s.c  om*/
    googleMap.addCircle(circleOptions);
}

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From source file:android.support.design.widget.CircularBorderDrawable.java

/**
 * Creates a vertical {@link LinearGradient}
 * @return/*from  w  w  w.j ava 2  s. co  m*/
 */
private Shader createGradientShader() {
    final Rect rect = mRect;
    copyBounds(rect);

    final float borderRatio = mBorderWidth / rect.height();

    final int[] colors = new int[6];
    colors[0] = ColorUtils.compositeColors(mTopOuterStrokeColor, mCurrentBorderTintColor);
    colors[1] = ColorUtils.compositeColors(mTopInnerStrokeColor, mCurrentBorderTintColor);
    colors[2] = ColorUtils.compositeColors(ColorUtils.setAlphaComponent(mTopInnerStrokeColor, 0),
            mCurrentBorderTintColor);
    colors[3] = ColorUtils.compositeColors(ColorUtils.setAlphaComponent(mBottomInnerStrokeColor, 0),
            mCurrentBorderTintColor);
    colors[4] = ColorUtils.compositeColors(mBottomInnerStrokeColor, mCurrentBorderTintColor);
    colors[5] = ColorUtils.compositeColors(mBottomOuterStrokeColor, mCurrentBorderTintColor);

    final float[] positions = new float[6];
    positions[0] = 0f;
    positions[1] = borderRatio;
    positions[2] = 0.5f;
    positions[3] = 0.5f;
    positions[4] = 1f - borderRatio;
    positions[5] = 1f;

    return new LinearGradient(0, rect.top, 0, rect.bottom, colors, positions, Shader.TileMode.CLAMP);
}

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From source file:io.imoji.sdk.grid.ui.ResultView.java

private Drawable getPlaceholder(int placeholderRandomizer, int position) {
    int[] colorArray = context.getResources().getIntArray(R.array.search_widget_placeholder_colors);
    int color = colorArray[(placeholderRandomizer + position) % colorArray.length];

    GradientDrawable placeholder = new GradientDrawable(GradientDrawable.Orientation.TOP_BOTTOM,
            new int[] { ColorUtils.setAlphaComponent(Color.WHITE, GRADIENT_START_ALPHA),
                    ColorUtils.setAlphaComponent(Color.WHITE, GRADIENT_END_ALPHA) });
    placeholder.setColor(color);//  w  ww . j  a  v  a 2s  . com
    placeholder.setShape(GradientDrawable.OVAL);
    return placeholder;
}

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From source file:me.henrytao.mdcore.core.MdCompat.java

public static int modulateColorAlpha(int baseColor, float alphaMod) {
    if (alphaMod == 1.0f) {
        return baseColor;
    }/*www  .  j a v a2 s  .c om*/
    int alpha = (int) (Color.alpha(baseColor) * alphaMod + 0.5f);
    alpha = Math.min(Math.max(alpha, 0), 255);
    return ColorUtils.setAlphaComponent(baseColor, alpha);
}

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