use of com.example.library.banner.layoutmanager.BannerLayoutManager in project RecyclerBanner by renjianan.
the class BannerLayout method initView.
protected void initView(Context context, AttributeSet attrs) {
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.BannerLayout);
showIndicator = a.getBoolean(R.styleable.BannerLayout_showIndicator, true);
autoPlayDuration = a.getInt(R.styleable.BannerLayout_interval, 4000);
isAutoPlaying = a.getBoolean(R.styleable.BannerLayout_autoPlaying, true);
itemSpace = a.getInt(R.styleable.BannerLayout_itemSpace, 20);
centerScale = a.getFloat(R.styleable.BannerLayout_centerScale, 1.2f);
moveSpeed = a.getFloat(R.styleable.BannerLayout_moveSpeed, 1.0f);
if (mSelectedDrawable == null) {
// 绘制默认选中状态图形
GradientDrawable selectedGradientDrawable = new GradientDrawable();
selectedGradientDrawable.setShape(GradientDrawable.OVAL);
selectedGradientDrawable.setColor(Color.RED);
selectedGradientDrawable.setSize(dp2px(5), dp2px(5));
selectedGradientDrawable.setCornerRadius(dp2px(5) / 2);
mSelectedDrawable = new LayerDrawable(new Drawable[] { selectedGradientDrawable });
}
if (mUnselectedDrawable == null) {
// 绘制默认未选中状态图形
GradientDrawable unSelectedGradientDrawable = new GradientDrawable();
unSelectedGradientDrawable.setShape(GradientDrawable.OVAL);
unSelectedGradientDrawable.setColor(Color.GRAY);
unSelectedGradientDrawable.setSize(dp2px(5), dp2px(5));
unSelectedGradientDrawable.setCornerRadius(dp2px(5) / 2);
mUnselectedDrawable = new LayerDrawable(new Drawable[] { unSelectedGradientDrawable });
}
indicatorMargin = dp2px(4);
int marginLeft = dp2px(16);
int marginRight = dp2px(0);
int marginBottom = dp2px(11);
int gravity = GravityCompat.START;
int o = a.getInt(R.styleable.BannerLayout_orientation, 0);
int orientation = 0;
if (o == 0) {
orientation = OrientationHelper.HORIZONTAL;
} else if (o == 1) {
orientation = OrientationHelper.VERTICAL;
}
a.recycle();
// 轮播图部分
mRecyclerView = new RecyclerView(context);
LayoutParams vpLayoutParams = new LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
addView(mRecyclerView, vpLayoutParams);
mLayoutManager = new BannerLayoutManager(getContext(), orientation);
mLayoutManager.setItemSpace(itemSpace);
mLayoutManager.setCenterScale(centerScale);
mLayoutManager.setMoveSpeed(moveSpeed);
mRecyclerView.setLayoutManager(mLayoutManager);
new CenterSnapHelper().attachToRecyclerView(mRecyclerView);
// 指示器部分
indicatorContainer = new RecyclerView(context);
LinearLayoutManager indicatorLayoutManager = new LinearLayoutManager(context, orientation, false);
indicatorContainer.setLayoutManager(indicatorLayoutManager);
indicatorAdapter = new IndicatorAdapter();
indicatorContainer.setAdapter(indicatorAdapter);
LayoutParams params = new LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
params.gravity = Gravity.BOTTOM | gravity;
params.setMargins(marginLeft, 0, marginRight, marginBottom);
addView(indicatorContainer, params);
if (!showIndicator) {
indicatorContainer.setVisibility(GONE);
}
}
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