public SimpleScroller(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
final TypedArray attributes =
context.obtainStyledAttributes(attrs, R.styleable.SimpleScroller, defStyleAttr, 0);
try {
mHandedness =
Handedness.values()[attributes.getInt(R.styleable.SimpleScroller_handedness, 0)];
mArrowHeight = attributes.getDimension(R.styleable.SimpleScroller_arrowHeight, 25f);
mTicWidth = attributes.getDimension(R.styleable.SimpleScroller_ticWidth, 16f);
mTextHorizontalMargin =
attributes.getDimension(R.styleable.SimpleScroller_textHorizontalMargin, 23f);
mTextVerticalMargin =
attributes.getDimension(R.styleable.SimpleScroller_textVerticalMargin, 10f);
mStrokeColor = new Paint();
mStrokeColor.setAntiAlias(true);
mStrokeColor.setStyle(Paint.Style.STROKE);
mStrokeColor.setTextAlign(
mHandedness == Handedness.LEFT ? Paint.Align.RIGHT : Paint.Align.LEFT);
mStrokeColor.setStrokeWidth(DEFAULT_STROKE_WIDTH);
mStrokeColor.setColor(
attributes.getColor(R.styleable.SimpleScroller_strokeColor, Color.WHITE));
mStrokeColor.setTextSize(
attributes.getDimension(R.styleable.SimpleScroller_android_textSize, 25f));
mArrowStrokeColor = new Paint();
mArrowStrokeColor.setAntiAlias(true);
mArrowStrokeColor.setStyle(Paint.Style.STROKE);
mArrowStrokeColor.setStrokeWidth(DEFAULT_STROKE_WIDTH);
mArrowStrokeColor.setColor(
attributes.getColor(R.styleable.SimpleScroller_arrowStrokeColor, Color.WHITE));
mArrowBgColor = new Paint();
mArrowBgColor.setAntiAlias(true);
mArrowBgColor.setStyle(Paint.Style.FILL);
mArrowBgColor.setColor(
attributes.getColor(R.styleable.SimpleScroller_arrowBgColor, Color.BLACK));
mScrollTo = attributes.getFloat(R.styleable.SimpleScroller_scrollTo, 0);
mScrollToRange = attributes.getFloat(R.styleable.SimpleScroller_scrollToRange, 26f);
} finally {
attributes.recycle();
}
}
public void setHandedness(int handednessIndex) {
mHandedness = Handedness.values()[handednessIndex];
mStrokeColor.setTextAlign(
mHandedness == Handedness.LEFT ? Paint.Align.RIGHT : Paint.Align.LEFT);
invalidate();
}