// 动态得出圆点的个数,距离,并添加到线性布局中
for (int i = 0;i<mImages.length;i++){
ImageView iv = new ImageView(this);
iv.setBackgroundResource(mImages[i]);
mImageViewArrayList.add(iv);
ImageView circleView = new ImageView(this);
circleView.setBackgroundResource(R.drawable.guide_circle_shape_select);
LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.WRAP_CONTENT,LinearLayout.LayoutParams.WRAP_CONTENT);
if (i>0){
params.leftMargin = 8;
}
circleView.setLayoutParams(params);
mLlContainear.addView(circleView);
}
滑动的计算
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
int leftMargin = (int) (position * mPointWidth + mPointWidth * positionOffset);
RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams)
mGuide_red_point.getLayoutParams();
params.leftMargin = leftMargin;
mGuide_red_point.setLayoutParams(params);
}