public void setSelected(int newState) {
RelativeLayout.LayoutParams lp =
(RelativeLayout.LayoutParams) mToggleSelector.getLayoutParams();
lp.topMargin = (mTableLayout.getMeasuredHeight() - heightItem) / 2;
lp.leftMargin = newState * widthItem + mTableLayout.getPaddingLeft();
mToggleSelector.setLayoutParams(lp);
if (Build.VERSION.SDK_INT < 11) {
AlphaAnimation animation = new AlphaAnimation((float) 0.2, (float) 0.2);
animation.setDuration(0);
animation.setFillAfter(true);
for (ImageView view : buttonList) {
view.startAnimation(animation);
}
currentState = newState;
animation = new AlphaAnimation(1, 1);
animation.setDuration(0);
animation.setFillAfter(true);
buttonList.get(currentState).startAnimation(animation);
} else {
for (ImageView view : buttonList) {
view.setAlpha((float) 0.2);
}
currentState = newState;
buttonList.get(currentState).setAlpha((float) 1);
}
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
super.onLayout(changed, l, t, r, b);
if (changed) {
widthTableRow =
mTableLayout.getMeasuredWidth()
- mTableLayout.getPaddingLeft()
- mTableLayout.getPaddingRight();
widthItem = widthTableRow / buttonList.size();
heightItem =
mTableLayout.getMeasuredHeight()
- mTableLayout.getPaddingTop()
- mTableLayout.getPaddingBottom();
RelativeLayout.LayoutParams lp = new RelativeLayout.LayoutParams(widthItem, heightItem);
mToggleSelector.setLayoutParams(lp);
setSelected(currentState);
}
}