/** move to next slide. */
public void moveNextPosition(boolean smooth) {
if (getRealAdapter() == null)
throw new IllegalStateException("You did not set a slider adapter");
mViewPager.setCurrentItem(mViewPager.getCurrentItem() + 1, smooth);
}
/** remove all the sliders. Notice: It's a not perfect method, a very small bug still exists. */
public void removeAllSliders() {
if (getRealAdapter() != null) {
int count = getRealAdapter().getCount();
getRealAdapter().removeAllSliders();
// a small bug, but fixed by this trick.
// bug: when remove adapter's all the sliders.some caching slider still alive.
mViewPager.setCurrentItem(mViewPager.getCurrentItem() + count, false);
}
}
/**
* set current slider
*
* @param position
*/
public void setCurrentPosition(int position, boolean smooth) {
if (getRealAdapter() == null)
throw new IllegalStateException("You did not set a slider adapter");
if (position >= getRealAdapter().getCount()) {
throw new IllegalStateException("Item position is not exist");
}
int p = mViewPager.getCurrentItem() % getRealAdapter().getCount();
int n = (position - p) + mViewPager.getCurrentItem();
mViewPager.setCurrentItem(n, smooth);
}
public SliderLayout(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
mContext = context;
LayoutInflater.from(context).inflate(R.layout.slider_layout, this, true);
final TypedArray attributes =
context.getTheme().obtainStyledAttributes(attrs, R.styleable.SliderLayout, defStyle, 0);
mTransformerSpan = attributes.getInteger(R.styleable.SliderLayout_pager_animation_span, 1100);
mTransformerId =
attributes.getInt(R.styleable.SliderLayout_pager_animation, Transformer.Default.ordinal());
mAutoCycle = attributes.getBoolean(R.styleable.SliderLayout_auto_cycle, true);
int visibility = attributes.getInt(R.styleable.SliderLayout_indicator_visibility, 0);
for (PagerIndicator.IndicatorVisibility v : PagerIndicator.IndicatorVisibility.values()) {
if (v.ordinal() == visibility) {
mIndicatorVisibility = v;
break;
}
}
mSliderAdapter = new SliderAdapter(mContext);
PagerAdapter wrappedAdapter = new InfinitePagerAdapter(mSliderAdapter);
mViewPager = (InfiniteViewPager) findViewById(R.id.daimajia_slider_viewpager);
mViewPager.setAdapter(wrappedAdapter);
mViewPager.setOnTouchListener(
new OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
int action = event.getAction();
switch (action) {
case MotionEvent.ACTION_UP:
recoverCycle();
break;
}
return false;
}
});
attributes.recycle();
setPresetIndicator(PresetIndicators.Center_Bottom);
setPresetTransformer(mTransformerId);
setSliderTransformDuration(mTransformerSpan, null);
setIndicatorVisibility(mIndicatorVisibility);
if (mAutoCycle) {
startAutoCycle();
}
}
/**
* get the current item position
*
* @return
*/
public int getCurrentPosition() {
if (getRealAdapter() == null)
throw new IllegalStateException("You did not set a slider adapter");
return mViewPager.getCurrentItem() % getRealAdapter().getCount();
}
private SliderAdapter getRealAdapter() {
PagerAdapter adapter = mViewPager.getAdapter();
if (adapter != null) {
return ((InfinitePagerAdapter) adapter).getRealAdapter();
}
return null;
}
private InfinitePagerAdapter getWrapperAdapter() {
PagerAdapter adapter = mViewPager.getAdapter();
if (adapter != null) {
return (InfinitePagerAdapter) adapter;
} else {
return null;
}
}
/**
* get current slider.
*
* @return
*/
public BaseSliderView getCurrentSlider() {
if (getRealAdapter() == null)
throw new IllegalStateException("You did not set a slider adapter");
int count = getRealAdapter().getCount();
int realCount = mViewPager.getCurrentItem() % count;
return getRealAdapter().getSliderView(realCount);
}
/**
* set the duration between two slider changes.
*
* @param period
* @param interpolator
*/
public void setSliderTransformDuration(int period, Interpolator interpolator) {
try {
Field mScroller = ViewPagerEx.class.getDeclaredField("mScroller");
mScroller.setAccessible(true);
FixedSpeedScroller scroller =
new FixedSpeedScroller(mViewPager.getContext(), interpolator, period);
mScroller.set(mViewPager, scroller);
} catch (Exception e) {
}
}
/**
* remove the slider at the position. Notice: It's a not perfect method, a very small bug still
* exists.
*/
public void removeSliderAt(int position) {
if (getRealAdapter() != null) {
getRealAdapter().removeSliderAt(position);
mViewPager.setCurrentItem(mViewPager.getCurrentItem(), false);
}
}
/**
* set ViewPager transformer.
*
* @param reverseDrawingOrder
* @param transformer
*/
public void setPagerTransformer(boolean reverseDrawingOrder, BaseTransformer transformer) {
mViewPagerTransformer = transformer;
mViewPagerTransformer.setCustomAnimationInterface(mCustomAnimation);
mViewPager.setPageTransformer(reverseDrawingOrder, mViewPagerTransformer);
}
public void removeOnPageChangeListener(ViewPagerEx.OnPageChangeListener onPageChangeListener) {
mViewPager.removeOnPageChangeListener(onPageChangeListener);
}
public void addOnPageChangeListener(ViewPagerEx.OnPageChangeListener onPageChangeListener) {
if (onPageChangeListener != null) {
mViewPager.addOnPageChangeListener(onPageChangeListener);
}
}