@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
super.onLayout(changed, left, top, right, bottom);
final float density = getContext().getResources().getDisplayMetrics().density;
mDiameter = Math.min(getMeasuredWidth(), getMeasuredHeight());
if (mDiameter <= 0) {
mDiameter = (int) density * DEFAULT_CIRCLE_DIAMETER;
}
if (getBackground() == null && mCircleBackgroundEnabled) {
final int shadowYOffset = (int) (density * Y_OFFSET);
final int shadowXOffset = (int) (density * X_OFFSET);
mShadowRadius = (int) (density * SHADOW_RADIUS);
if (elevationSupported()) {
mBgCircle = new ShapeDrawable(new OvalShape());
ViewCompat.setElevation(this, SHADOW_ELEVATION * density);
} else {
OvalShape oval = new OvalShadow(mShadowRadius, mDiameter - mShadowRadius * 2);
mBgCircle = new ShapeDrawable(oval);
ViewCompat.setLayerType(this, ViewCompat.LAYER_TYPE_SOFTWARE, mBgCircle.getPaint());
mBgCircle
.getPaint()
.setShadowLayer(mShadowRadius, shadowXOffset, shadowYOffset, KEY_SHADOW_COLOR);
final int padding = (int) mShadowRadius;
// set padding so the inner image sits correctly within the shadow.
setPadding(padding, padding, padding, padding);
}
mBgCircle.getPaint().setColor(mBackGroundColor);
setBackgroundDrawable(mBgCircle);
}
mProgressDrawable.setBackgroundColor(mBackGroundColor);
mProgressDrawable.setColorSchemeColors(mColors);
mProgressDrawable.setSizeParameters(
mDiameter,
mDiameter,
mInnerRadius <= 0 ? (mDiameter - mProgressStokeWidth * 2) / 4 : mInnerRadius,
mProgressStokeWidth,
mArrowWidth < 0 ? mProgressStokeWidth * 4 : mArrowWidth,
mArrowHeight < 0 ? mProgressStokeWidth * 2 : mArrowHeight);
if (isShowArrow()) {
mProgressDrawable.showArrowOnFirstStart(true);
mProgressDrawable.setArrowScale(1f);
mProgressDrawable.showArrow(true);
}
super.setImageDrawable(null);
super.setImageDrawable(mProgressDrawable);
mProgressDrawable.setAlpha(255);
mProgressDrawable.setStartEndTrim(0f, 0.75f);
}
public void setColorSchemeColors(int[] colors) {
mDrawable.setColorSchemeColors(colors);
invalidate();
}
/**
* Set the colors used in the progress animation. The first color will also be the color of the
* bar that grows in response to a user swipe gesture.
*
* @param colors
*/
public void setColorSchemeColors(int... colors) {
mColors = colors;
if (mProgressDrawable != null) {
mProgressDrawable.setColorSchemeColors(colors);
}
}
/**
* Set the colors used in the progress animation. The first color will also be the color of the
* bar that grows in response to a user swipe gesture.
*
* @param colors
*/
public void setColorSchemeColors(int... colors) {
ensureTarget();
mProgress.setColorSchemeColors(colors);
}