@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
Log.d(TAG, "Slice Count: " + mData.size());
if (mData.size() > 0) {
//
// Set dimensions for text, pie chart, etc
//
// Account for padding
float xpad = (float) (getPaddingLeft() + getPaddingRight());
float ypad = (float) (getPaddingTop() + getPaddingBottom());
// Account for the label
if (mShowText) xpad += mTextWidth;
float ww = (float) w - xpad;
float hh = (float) h - ypad;
// Figure out how big we can make the pie.
float diameter = Math.min(ww, hh);
mPieBounds = new RectF(0.0f, 0.0f, diameter, diameter);
mPieBounds.offsetTo(getPaddingLeft(), getPaddingTop());
// Log.d(TAG, "mPieBounds>> "+mPieBounds);
mPointerY = mTextY - (mTextHeight / 2.0f);
float pointerOffset = mPieBounds.centerY() - mPointerY;
// Make adjustments based on text position
if (mTextPos == TEXTPOS_LEFT) {
mTextPaint.setTextAlign(Paint.Align.RIGHT);
if (mShowText) mPieBounds.offset(mTextWidth, 0.0f);
mTextX = mPieBounds.left;
if (pointerOffset < 0) {
pointerOffset = -pointerOffset;
mCurrentItemAngle = 225;
} else {
mCurrentItemAngle = 135;
}
mPointerX = mPieBounds.centerX() - pointerOffset;
} else {
mTextPaint.setTextAlign(Paint.Align.LEFT);
mTextX = mPieBounds.right;
if (pointerOffset < 0) {
pointerOffset = -pointerOffset;
mCurrentItemAngle = 315;
} else {
mCurrentItemAngle = 45;
}
mPointerX = mPieBounds.centerX() + pointerOffset;
}
mShadowBounds =
new RectF(
mPieBounds.left + 10,
mPieBounds.bottom + 10,
mPieBounds.right - 10,
mPieBounds.bottom + 20);
// Lay out the child view that actually draws the pie.
mPieView.layout(
(int) mPieBounds.left,
(int) mPieBounds.top,
(int) mPieBounds.right,
(int) mPieBounds.bottom);
mPieView.setPivot(mPieBounds.width() / 2, mPieBounds.height() / 2);
mPointerView.layout(0, 0, w, h);
onDataChanged();
}
}
