/**
* Sets the current {@link NumericTransformer}
*
* @param transformer
* @see #getNumericTransformer()
*/
public void setNumericTransformer(@Nullable NumericTransformer transformer) {
mNumericTransformer = transformer != null ? transformer : new DefaultNumericTransformer();
// We need to refresh the PopupIndivator view
if (!isInEditMode()) {
mIndicator.updateSizes(convertValueToMessage(mNumericTransformer.transform(mMax)));
}
updateProgressMessage(mValue);
}
private void setProgress(int value, boolean fromUser) {
value = Math.max(mMin, Math.min(mMax, value));
if (isAnimationRunning()) {
mPositionAnimator.cancel();
}
if (mValue != value) {
mValue = value;
notifyProgress(value, fromUser);
updateProgressMessage(value);
updateThumbPosFromCurrentProgress();
}
}
private void updateProgressFromAnimation(float scale) {
Rect bounds = mThumb.getBounds();
int halfThumb = bounds.width() / 2;
int addedThumb = mAddedTouchBounds;
int left = getPaddingLeft() + halfThumb + addedThumb;
int right = getWidth() - (getPaddingRight() + halfThumb + addedThumb);
int available = right - left;
int progress = Math.round((scale * (mMax - mMin)) + mMin);
// we don't want to just call setProgress here to avoid the animation
// being cancelled,
// and this position is not bound to a real progress value but
// interpolated
if (progress != getProgress()) {
mValue = progress;
notifyProgress(mValue, true);
updateProgressMessage(progress);
}
final int thumbPos = (int) (scale * available + 0.5f);
updateThumbPos(thumbPos);
}
/**
* Sets the current Indicator formatter string
*
* @param formatter
* @see String#format(String, Object...)
* @see #setNumericTransformer(NumericTransformer)
*/
public void setIndicatorFormatter(@Nullable String formatter) {
mIndicatorFormatter = formatter;
updateProgressMessage(mValue);
}