Example usage for android.graphics.drawable GradientDrawable RADIAL_GRADIENT

Introduction

In this page you can find the example usage for android.graphics.drawable GradientDrawable RADIAL_GRADIENT.

Prototype

int RADIAL_GRADIENT

To view the source code for android.graphics.drawable GradientDrawable RADIAL_GRADIENT.

Click Source Link

Document

Gradient is circular.

Usage

From source file:com.googlecode.eyesfree.widget.RadialMenuView.java

public RadialMenuView(Context context, RadialMenu menu, boolean useNodeProvider) {
    super(context);

    mRootMenu = menu;/*w ww.java 2  s. c o m*/
    mRootMenu.setLayoutListener(mLayoutListener);

    mPaint = new Paint();
    mPaint.setAntiAlias(true);

    mHandler = new LongPressHandler(context);
    mHandler.setListener(mLongPressListener);

    final SurfaceHolder holder = getHolder();
    holder.setFormat(PixelFormat.TRANSLUCENT);
    holder.addCallback(mSurfaceCallback);

    final Resources res = context.getResources();
    final ViewConfiguration config = ViewConfiguration.get(context);

    mSingleTapRadiusSq = config.getScaledTouchSlop();

    // Dimensions.
    mInnerRadius = res.getDimensionPixelSize(R.dimen.inner_radius);
    mOuterRadius = res.getDimensionPixelSize(R.dimen.outer_radius);
    mCornerRadius = res.getDimensionPixelSize(R.dimen.corner_radius);
    mExtremeRadius = res.getDimensionPixelSize(R.dimen.extreme_radius);
    mSpacing = res.getDimensionPixelOffset(R.dimen.spacing);
    mTextSize = res.getDimensionPixelSize(R.dimen.text_size);
    mTextShadowRadius = res.getDimensionPixelSize(R.dimen.text_shadow_radius);
    mShadowRadius = res.getDimensionPixelSize(R.dimen.shadow_radius);

    // Colors.
    mOuterFillColor = res.getColor(R.color.outer_fill);
    mTextFillColor = res.getColor(R.color.text_fill);
    mCornerFillColor = res.getColor(R.color.corner_fill);
    mCornerTextFillColor = res.getColor(R.color.corner_text_fill);
    mDotFillColor = res.getColor(R.color.dot_fill);
    mDotStrokeColor = res.getColor(R.color.dot_stroke);
    mSelectionColor = res.getColor(R.color.selection_fill);
    mSelectionTextFillColor = res.getColor(R.color.selection_text_fill);
    mSelectionShadowColor = res.getColor(R.color.selection_shadow);
    mCenterFillColor = res.getColor(R.color.center_fill);
    mCenterTextFillColor = res.getColor(R.color.center_text_fill);
    mTextShadowColor = res.getColor(R.color.text_shadow);

    // Gradient colors.
    final int gradientInnerColor = res.getColor(R.color.gradient_inner);
    final int gradientOuterColor = res.getColor(R.color.gradient_outer);
    final int[] colors = new int[] { gradientInnerColor, gradientOuterColor };
    mGradientBackground = new GradientDrawable(Orientation.TOP_BOTTOM, colors);
    mGradientBackground.setGradientType(GradientDrawable.RADIAL_GRADIENT);
    mGradientBackground.setGradientRadius(mExtremeRadius * 2.0f);

    final int subMenuOverlayColor = res.getColor(R.color.submenu_overlay);

    // Lighting filters generated from colors.
    mSubMenuFilter = new PorterDuffColorFilter(subMenuOverlayColor, PorterDuff.Mode.SCREEN);

    mInnerRadiusSq = (mInnerRadius * mInnerRadius);
    mExtremeRadiusSq = (mExtremeRadius * mExtremeRadius);

    mUseNodeProvider = useNodeProvider;

    if (mUseNodeProvider) {
        mTouchExplorer = new RadialMenuHelper(this);
        ViewCompat.setAccessibilityDelegate(this, mTouchExplorer);
    }

    // Corner shapes only need to be invalidated and cached once.
    initializeCachedShapes();
}

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From source file:com.android.screenspeak.contextmenu.RadialMenuView.java

public RadialMenuView(Context context, RadialMenu menu, boolean useNodeProvider) {
    super(context);

    mRootMenu = menu;/*  w  ww . j  a  va  2s  .c om*/
    mRootMenu.setLayoutListener(new RadialMenu.MenuLayoutListener() {
        @Override
        public void onLayoutChanged() {
            invalidate();
        }
    });

    mPaint = new Paint();
    mPaint.setAntiAlias(true);

    mHandler = new LongPressHandler(context);
    mHandler.setListener(new LongPressHandler.LongPressListener() {
        @Override
        public void onLongPress() {
            onItemLongPressed(mFocusedItem);
        }
    });

    final SurfaceHolder holder = getHolder();
    holder.setFormat(PixelFormat.TRANSLUCENT);
    holder.addCallback(new SurfaceHolder.Callback() {
        @Override
        public void surfaceCreated(SurfaceHolder holder) {
            mHolder = holder;
        }

        @Override
        public void surfaceDestroyed(SurfaceHolder holder) {
            mHolder = null;
        }

        @Override
        public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
            invalidate();
        }
    });

    final Resources res = context.getResources();
    final ViewConfiguration config = ViewConfiguration.get(context);

    mSingleTapRadiusSq = config.getScaledTouchSlop();

    // Dimensions.
    mInnerRadius = res.getDimensionPixelSize(R.dimen.inner_radius);
    mOuterRadius = res.getDimensionPixelSize(R.dimen.outer_radius);
    mCornerRadius = res.getDimensionPixelSize(R.dimen.corner_radius);
    mExtremeRadius = res.getDimensionPixelSize(R.dimen.extreme_radius);
    mSpacing = res.getDimensionPixelOffset(R.dimen.spacing);
    mTextSize = res.getDimensionPixelSize(R.dimen.text_size);
    mTextShadowRadius = res.getDimensionPixelSize(R.dimen.text_shadow_radius);
    mShadowRadius = res.getDimensionPixelSize(R.dimen.shadow_radius);

    // Colors.
    mOuterFillColor = res.getColor(R.color.outer_fill);
    mTextFillColor = res.getColor(R.color.text_fill);
    mCornerFillColor = res.getColor(R.color.corner_fill);
    mCornerTextFillColor = res.getColor(R.color.corner_text_fill);
    mDotFillColor = res.getColor(R.color.dot_fill);
    mDotStrokeColor = res.getColor(R.color.dot_stroke);
    mSelectionColor = res.getColor(R.color.selection_fill);
    mSelectionTextFillColor = res.getColor(R.color.selection_text_fill);
    mSelectionShadowColor = res.getColor(R.color.selection_shadow);
    mCenterFillColor = res.getColor(R.color.center_fill);
    mCenterTextFillColor = res.getColor(R.color.center_text_fill);
    mTextShadowColor = res.getColor(R.color.text_shadow);

    // Gradient colors.
    final int gradientInnerColor = res.getColor(R.color.gradient_inner);
    final int gradientOuterColor = res.getColor(R.color.gradient_outer);
    final int[] colors = new int[] { gradientInnerColor, gradientOuterColor };
    mGradientBackground = new GradientDrawable(Orientation.TOP_BOTTOM, colors);
    mGradientBackground.setGradientType(GradientDrawable.RADIAL_GRADIENT);
    mGradientBackground.setGradientRadius(mExtremeRadius * 2.0f);

    final int subMenuOverlayColor = res.getColor(R.color.submenu_overlay);

    // Lighting filters generated from colors.
    mSubMenuFilter = new PorterDuffColorFilter(subMenuOverlayColor, PorterDuff.Mode.SCREEN);

    mInnerRadiusSq = (mInnerRadius * mInnerRadius);
    mExtremeRadiusSq = (mExtremeRadius * mExtremeRadius);

    mUseNodeProvider = useNodeProvider;

    if (mUseNodeProvider) {
        // Lazily-constructed node provider helper.
        ViewCompat.setAccessibilityDelegate(this, new RadialMenuHelper(this));
    }

    // Corner shapes only need to be invalidated and cached once.
    initializeCachedShapes();
}

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From source file:com.bilibili.magicasakura.utils.GradientDrawableUtils.java

void setGradientRadius(Context context, AttributeSet attrs, GradientDrawable drawable, int gradientType)
        throws XmlPullParserException {
    TypedArray a = obtainAttributes(context.getResources(), context.getTheme(), attrs,
            new int[] { android.R.attr.gradientRadius });
    TypedValue value = a.peekValue(0);//from w  w w.  j a  v  a  2s. co  m
    if (value != null) {
        boolean radiusRel = value.type == TypedValue.TYPE_FRACTION;
        drawable.setGradientRadius(radiusRel ? value.getFraction(1.0f, 1.0f) : value.getFloat());
    } else if (gradientType == GradientDrawable.RADIAL_GRADIENT) {
        throw new XmlPullParserException(
                "<gradient> tag requires 'gradientRadius' " + "attribute with radial type");
    }
    a.recycle();
}

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From source file:com.bilibili.magicasakura.utils.GradientDrawableInflateImpl.java

void setGradientRadius(Context context, AttributeSet attrs, GradientDrawable drawable, int gradientType)
        throws XmlPullParserException {
    TypedArray a = DrawableUtils.obtainAttributes(context.getResources(), context.getTheme(), attrs,
            new int[] { android.R.attr.gradientRadius });
    TypedValue value = a.peekValue(0);/*from   ww  w .  j a va2s.  c o m*/
    if (value != null) {
        boolean radiusRel = value.type == TypedValue.TYPE_FRACTION;
        drawable.setGradientRadius(radiusRel ? value.getFraction(1.0f, 1.0f) : value.getFloat());
    } else if (gradientType == GradientDrawable.RADIAL_GRADIENT) {
        throw new XmlPullParserException(
                "<gradient> tag requires 'gradientRadius' " + "attribute with radial type");
    }
    a.recycle();
}

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From source file:com.example.mapsv2.ClustersAreListsActivity.java

private void setSpotlight(float cx, float cy) {
    spotDrawable.setGradientCenter(cx, cy);
    // The following line is needed for Android 2.2 to flag it's state
    // as dirty and pick up the new gradient center set above.
    spotDrawable.setGradientType(GradientDrawable.RADIAL_GRADIENT);
}

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