public OvalShadowDrawable(
int radius,
ColorStateList colorStateList,
float shadowSize,
float shadowOffset,
int animDuration) {
mAnimDuration = animDuration;
mPaint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.DITHER_FLAG);
mPaint.setStyle(Paint.Style.FILL);
setColor(colorStateList);
setRadius(radius);
setShadow(shadowSize, shadowOffset);
}
protected void applyStyle(
Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
TypedArray a =
context.obtainStyledAttributes(
attrs, R.styleable.FloatingActionButton, defStyleAttr, defStyleRes);
int radius = -1;
int elevation = -1;
ColorStateList bgColor = null;
int bgAnimDuration = -1;
int iconSrc = 0;
int iconLineMorphing = 0;
for (int i = 0, count = a.getIndexCount(); i < count; i++) {
int attr = a.getIndex(i);
if (attr == R.styleable.FloatingActionButton_fab_radius)
radius = a.getDimensionPixelSize(attr, 0);
else if (attr == R.styleable.FloatingActionButton_fab_elevation)
elevation = a.getDimensionPixelSize(attr, 0);
else if (attr == R.styleable.FloatingActionButton_fab_backgroundColor)
bgColor = a.getColorStateList(attr);
else if (attr == R.styleable.FloatingActionButton_fab_backgroundAnimDuration)
bgAnimDuration = a.getInteger(attr, 0);
else if (attr == R.styleable.FloatingActionButton_fab_iconSrc)
iconSrc = a.getResourceId(attr, 0);
else if (attr == R.styleable.FloatingActionButton_fab_iconLineMorphing)
iconLineMorphing = a.getResourceId(attr, 0);
else if (attr == R.styleable.FloatingActionButton_fab_iconSize)
mIconSize = a.getDimensionPixelSize(attr, 0);
else if (attr == R.styleable.FloatingActionButton_fab_animDuration)
mAnimDuration = a.getInteger(attr, 0);
else if (attr == R.styleable.FloatingActionButton_fab_interpolator) {
int resId = a.getResourceId(R.styleable.FloatingActionButton_fab_interpolator, 0);
if (resId != 0) mInterpolator = AnimationUtils.loadInterpolator(context, resId);
}
}
a.recycle();
if (mIconSize < 0) mIconSize = ThemeUtil.dpToPx(context, 24);
if (mAnimDuration < 0)
mAnimDuration = context.getResources().getInteger(android.R.integer.config_mediumAnimTime);
if (mInterpolator == null) mInterpolator = new DecelerateInterpolator();
if (mBackground == null) {
if (radius < 0) radius = ThemeUtil.dpToPx(context, 28);
if (elevation < 0) elevation = ThemeUtil.dpToPx(context, 4);
if (bgColor == null) bgColor = ColorStateList.valueOf(ThemeUtil.colorAccent(context, 0));
if (bgAnimDuration < 0) bgAnimDuration = 0;
mBackground = new OvalShadowDrawable(radius, bgColor, elevation, elevation, bgAnimDuration);
mBackground.setInEditMode(isInEditMode());
mBackground.setBounds(0, 0, getWidth(), getHeight());
mBackground.setCallback(this);
} else {
if (radius >= 0) mBackground.setRadius(radius);
if (bgColor != null) mBackground.setColor(bgColor);
if (elevation >= 0) mBackground.setShadow(elevation, elevation);
if (bgAnimDuration >= 0) mBackground.setAnimationDuration(bgAnimDuration);
}
if (iconLineMorphing != 0)
setIcon(new LineMorphingDrawable.Builder(context, iconLineMorphing).build(), false);
else if (iconSrc != 0) setIcon(context.getResources().getDrawable(iconSrc), false);
getRippleManager().onCreate(this, context, attrs, defStyleAttr, defStyleRes);
Drawable background = getBackground();
if (background != null && background instanceof RippleDrawable) {
RippleDrawable drawable = (RippleDrawable) background;
drawable.setBackgroundDrawable(null);
drawable.setMask(
RippleDrawable.Mask.TYPE_OVAL,
0,
0,
0,
0,
(int) mBackground.getPaddingLeft(),
(int) mBackground.getPaddingTop(),
(int) mBackground.getPaddingRight(),
(int) mBackground.getPaddingBottom());
}
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
@Override
public void setElevation(float elevation) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) super.setElevation(elevation);
else if (mBackground.setShadow(elevation, elevation)) requestLayout();
}