@Override
protected void dispatchDraw(Canvas canvas) {
if (mShowcaseX < 0 || mShowcaseY < 0 || mIsRedundant) {
super.dispatchDraw(canvas);
return;
}
boolean recalculatedCling = mShowcaseDrawer.calculateShowcaseRect(mShowcaseX, mShowcaseY);
boolean recalculateText = recalculatedCling || mAlteredText;
mAlteredText = false;
if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.HONEYCOMB && !mHasNoTarget) {
Path path = new Path();
path.addCircle(mShowcaseX, mShowcaseY, mShowcaseRadius, Path.Direction.CW);
canvas.clipPath(path, Op.DIFFERENCE);
}
// Draw background color
canvas.drawColor(mBackgroundColor);
// Draw the showcase drawable
if (!mHasNoTarget) {
mShowcaseDrawer.drawShowcase(
canvas, mShowcaseX, mShowcaseY, mScaleMultiplier, mShowcaseRadius);
}
// Draw the text on the screen, recalculating its position if necessary
if (recalculateText) {
mTextDrawer.calculateTextPosition(canvas.getWidth(), canvas.getHeight(), this);
}
mTextDrawer.draw(canvas, recalculateText);
super.dispatchDraw(canvas);
}
protected ShowcaseView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
// Get the attributes for the ShowcaseView
final TypedArray styled =
context
.getTheme()
.obtainStyledAttributes(
attrs, R.styleable.ShowcaseView, R.attr.showcaseViewStyle, R.style.ShowcaseView);
mBackgroundColor =
styled.getInt(R.styleable.ShowcaseView_sv_backgroundColor, Color.argb(128, 80, 80, 80));
int showcaseColor =
styled.getColor(R.styleable.ShowcaseView_sv_showcaseColor, Color.parseColor("#33B5E5"));
int titleTextAppearance =
styled.getResourceId(
R.styleable.ShowcaseView_sv_titleTextAppearance,
R.style.TextAppearance_ShowcaseView_Title);
int detailTextAppearance =
styled.getResourceId(
R.styleable.ShowcaseView_sv_detailTextAppearance,
R.style.TextAppearance_ShowcaseView_Detail);
mButtonText = styled.getString(R.styleable.ShowcaseView_sv_buttonText);
styled.recycle();
mMetricScale = getContext().getResources().getDisplayMetrics().density;
mEndButton = (Button) LayoutInflater.from(context).inflate(R.layout.showcase_button, null);
mShowcaseDrawer = new ClingDrawerImpl(getResources(), showcaseColor);
// TODO: This isn't ideal, ClingDrawer and Calculator interfaces should be separate
mTextDrawer = new TextDrawerImpl(mMetricScale, mShowcaseDrawer);
mTextDrawer.setTitleStyling(context, titleTextAppearance);
mTextDrawer.setDetailStyling(context, detailTextAppearance);
ConfigOptions options = new ConfigOptions();
options.showcaseId = getId();
setConfigOptions(options);
init();
}
public void setText(String titleText, String subText) {
mTextDrawer.setTitle(titleText);
mTextDrawer.setDetails(subText);
mAlteredText = true;
invalidate();
}