crosswall / android-coverflow Goto Github PK

I want to leave the first two items at normal scale and after that make them smaller.
Is that possible ? thanks

How do I restore the origin viewpager?
thank you.

Any chance you can comment out

Log.d(TAG,"position:"+position);

in CoverTransformer.java? It fills up the console output.

Thanks.

if(rotationY!=0){
float realRotationY = Math.min(rotationY,Math.abs(position * rotationY));
page.setRotationY(position < 0f ? realRotationY : - realRotationY);
}
其实我想要一开是315度不动的效果。。但是我想他们滑动平移的时候，不要每个item翻转得太厉害，想平滑的滑动。。我发现改了这里会影响一开始的315度的效果。。。对不起打扰了，还是请教一下。。

My App Version:
minSdkVersion 21
targetSdkVersion 30

Show to Error like as:

android version is 4.4.2

In the demo,the following code doesn't work,when I click the item,it doesn't pop-up.
I want to know if it's my method or the code itself is wrong.
Thank you!

        container.setPageItemClickListener(new PageItemClickListener() {
            @Override
            public void onItemClick(View view, int position) {
                Toast.makeText(NormalActivity.this,"position:" + position,Toast.LENGTH_SHORT).show();
            }
        });

有什么Transform可以实现弧形的Tab效果吗？

First of all, i initialize an empty list. After call web service, update the list and call notifyDataSetChanged.

Then drag to the third Fragment, will get this issue.

java.lang.NullPointerException: Attempt to invoke virtual method 'void android.view.View.setElevation(float)' on a null object reference
at android.support.v4.view.ViewCompatLollipop.setElevation(ViewCompatLollipop.java:45)
at android.support.v4.view.ViewCompat$LollipopViewCompatImpl.setElevation(ViewCompat.java:1538)
at android.support.v4.view.ViewCompat.setElevation(ViewCompat.java:2713)
at me.crosswall.lib.coverflow.core.PagerContainer.onPageSelected(PagerContainer.java:126)
at android.support.v4.view.ViewPager.dispatchOnPageSelected(ViewPager.java:1867)
at android.support.v4.view.ViewPager.scrollToItem(ViewPager.java:625)
at android.support.v4.view.ViewPager.setCurrentItemInternal(ViewPager.java:609)
at android.support.v4.view.ViewPager.onTouchEvent(ViewPager.java:2181)

就嵌套了一个下拉刷新就一边黏住了。。很影响用户体验，希望博主能看到

Cannot get property 'supportV4' on extra properties extension as it does not exist

I custom NormalActivity with .pagerMargin(getResources().getDimensionPixelSize(R.dimen.overlap_pager_margin))
and
container.setOverlapEnabled(true);
It don't make overlap for PagerContainer but with FragmentPagerAdapter it work ok

More: If I move viewpager to item 1 when init and use overlap it work not correct (fragment and view)

Hi Crosswall,
you did a great library and probably you saved a lot of time to me.
Is it possible to customize the CoverFlow.Builder() and adding the option for items overlapping?
I'm trying to do something like the attached image.

Thanks
Giosk

does it work with viewPager2 ?

I want to make coverflow with next button. Can you help me to control next action? And second question is how can I focus on second item in viewpager when start. Thank you so much!

if I insert the element into a vertical scroll view , the scroll-sensation it's very bad

coverflow overlap Effect do not work when i use PageAdapter replace FragmentPagerAdapter

Great library, works really well.

Would it be possible for you to remove android:allowBackup="true" from the manifest? I'm getting build errors when I add android:allowBackup="false" to my app manifest and tools:replace is not working.

Thanks,
Adam

如题,目前没有onItemClick 和OnItemLongClick接口

After call notifyDataSetChanged(), the scale of item will has some problem(e.g. even the item is not the center one, their scale will become 1.0f, as big as the center one ) but after scroll a little bit, it will become normal. So, any idea of this problem ? Thank you

hello!
how to handle tap on central (elevated) item?
i'm trying to use your example (pagerContainer.setPageItemClickListener(new PageItemClickListener() ...) but it works for only side elements, not for central.

The CardView elevation & radius is not visible even in your demo app. I tried setting a higher value, but still there's no corner radius / elevation shadow.

I added TextView on each items, that TextView is scrollable by enabling scroll on its attribute, and it happens that it scroll isn't working, you will see it will scrolled once I skip to next item then back to previous page.

Does anyone here experienced this issue?

Iam making an app need to show layouts design in each card and then it need onclick listner to goto second activity. please help how can i achieve that. thanks

is there a possibility to get a vertical version of your coverflow?

On initial fragment launch which contains viewpager. It doesn't transform and after scroll, it works fine.

Here a code in onCreateView() fragment:
homeBinding =
DataBindingUtil.inflate(inflater, R.layout.fragment_home_layout, container, false);
view = homeBinding.getRoot();
mHomeAdapter = new HomePagePagerAdapter(projectList, getActivity(), mConfig);
ViewPager pager = homeBinding.pagerContainer.getViewPager();
pager.setAdapter(mHomeAdapter);
pager.setOffscreenPageLimit(3);
new CoverFlow.Builder()
.with(pager)
.scale(0.3f)
.pagerMargin(-100)
.spaceSize(0f)
.build();

1. animation too slow when you swap
2. possibility to scroll two or plus elements

hi
i am beginner developer.

i find a problem.

Clicks on Upper LinkagePager in Linkage2 coverflow. are reversed
And paged in the reverse direction.

I fixed this problem at random.

first, download libaray and import,

second,
modify
onTouchEvent() in LinkagePagerContainer Class in package me.crosswall.lib.coverflow.core

//ev.offsetLocation(mCenter.x - mInitialTouch.x, mCenter.y - mInitialTouch.y); //erase
ev.offsetLocation(mInitialTouch.x - mCenter.x, mCenter.y - mInitialTouch.y); //new

i Modified the two parts of above source and paged in the desired direction.

compile 'com.github.crosswall:Android-Coverflow:release-v1.0.4'

Dependency is not working.

minSdkVersion 19
targetSdkVersion 30

I imported this lib to my project. But when running my project, i have an issue like this:
java.lang.IllegalAccessError: Method 'void androidx.viewpager.widget.PagerAdapter.setViewPagerObserver(android.database.DataSetObserver)' is inaccessible to class 'androidx.core.view.LinkagePager' (declaration of 'androidx.core.view.LinkagePager' appears in /data/app/~~Hg3GxUqloIVujMjqhSB2hA==/com.mascom.sll-2xKoWGBjqDwuZbvJuSF-ZQ==/base.apk)

So please show me the solution to solve this error ?

location me.crosswall.lib.coverflow.core.CoverTransformer
line32 Log.d("CoverTransformer", "position:" + position);

The transition between the image covers are not smooth. Is there any setting to tweak it? Or any code level optimisation is required? If you can point me to the right direction, I can look into it.

Hello,

When I want to add setPageItemClickListener to action when I click into screen It not works.

I do into onCreateView :

override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
        activity?.title = getString(R.string.title_offres)
        val view = inflater.inflate(R.layout.fragment_offres, container, false)

        top5 = view.findViewById(R.id.top5) as PagerContainer

        top5.setOverlapEnabled(true)

        val pager = top5.getViewPager()

        val adapter = Top5Adapter(container!!.context, generateData())

        top5.setOnClickListener {
            v -> { // not works
                Toast.makeText(v.context, "SFSDFSDFSF", Toast.LENGTH_LONG).show()
            }
        }

        pager.adapter =  adapter
        pager.clipChildren = false
        //
        pager.offscreenPageLimit = 5

// NOT WORKS
        top5.setPageItemClickListener(PageItemClickListener { v, position ->
            startActivity(Intent(context, DetailOffreActivity::class.java))
        })

        CoverFlow.Builder().with(pager)
            .scale(0.3f)
            .pagerMargin(resources.getDimensionPixelSize(R.dimen.text_margin).toFloat())
            .spaceSize(0f)
            .build()
        return view
    }

Thansk for help.

Hello,

I want to know if theres a way i could know when the user swipes, or moves from one cardview to another.
I tried an setPageItemClickListener(), but that only shows me when the user clicks a card, not when he swipes, or uses the Left and Right button. Is there a way i can catch any user movement?

Your help would be greatly appreciated!! You have my thanks

相当于不放大的另外两个改变翘起方向

hi, is there any way in the current version to disable scroll position logging when scrolling the pager? we have a use case where the pager with Coverflow handles a lot of scrolling so constantly logging the scroll position floods the logcat, not to mention impact on perf

I tried setting a cardview inside fragment with PagerContainer and viewpager, but there's no elevation shadow .
I tried same setting in any other view, there's no problem.

I am experiencing a strange bug with scrolling.

I am using:
compile 'com.github.crosswall:Android-Coverflow:release-v1.0.4'

When I have more than two items in the coverflow, and a middle item is selected- for example, if there are three items, and the 2nd one is in the center- when I attempt to scroll, the center item jumps to where my finger touches down.

This makes scrolling very jarring. The items on the edge scroll correctly, but the item in the center leaps to my finger's location. It also prevents me from tapping on the items on the side.

My OnCreate:

     PagerContainer container = (PagerContainer) findViewById(R.id.pager_container);
       container.setOverlapEnabled(false);
       final ViewPager pager = container.getViewPager();
       pager.setOffscreenPageLimit(5);


       pager.setAdapter(new MyPagerAdapter());
       pager.setClipChildren(true);
       new CoverFlow.Builder()
               .with(pager)
               .scale(0.2f)
               .pagerMargin(0f)
               .spaceSize(0f)
               .build();


       if (pager.getAdapter().getCount() > 1) {
           pager.setCurrentItem(pager.getAdapter().getCount() / 2);
       }

My adapter:

private class MyPagerAdapter extends PagerAdapter {

        @Override
        public Object instantiateItem(ViewGroup container, int position) {

            View view = LayoutInflater.from(CoverflowActivity.this).inflate(R.layout.twitch_card_small,null);
            ImageView imageView = (ImageView) view.findViewById(R.id.imageView);
            Picasso.with(LiveStreamActivity.this).load(mItems().get(position).getImage()).fit().into(imageView);

            //add text here!
            container.addView(view);
            return view;
        }

        @Override
        public void destroyItem(ViewGroup container, int position, Object object) {
            container.removeView((View)object);
        }

        @Override
        public int getCount() {
            int size = getItems().size();
            return size;
        }

        @Override
        public boolean isViewFromObject(View view, Object object) {
            return (view == object);
        }
    }

My XML:

<LinearLayout
            android:layout_width="match_parent"
            android:layout_height="130dp"
            android:orientation="vertical">


                <me.crosswall.lib.coverflow.core.PagerContainer
                    android:id="@+id/pager_container"
                    android:layout_width="match_parent"
                    android:layout_height="125dp"
                    android:background="@color/colorBlack">

                    <android.support.v4.view.ViewPager
                        android:id="@+id/overlap_pager"
                        android:layout_width="125dp"
                        android:layout_height="125dp"
                        android:layout_gravity="center"
                        android:clipToPadding="true"/>


                </me.crosswall.lib.coverflow.core.PagerContainer>
        </LinearLayout>

Any ideas?

Hi,I got this error,anyone know how to fix this?thanks