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Creative View Pager easy to use in Android
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README.md

Creative View Pager

Creative View Pager easy to use ! This view pager library combines a header list which is scrolling automatically in coordination with the page contents.

CreativeViewPager

Download

dependencies {
    implementation 'com.tbuonomo:creative-viewpager:1.0.1'
}

Usage

In your XML layout

Add CreativeViewPager in your activity's layout

<com.tbuonomo.creativeviewpager.CreativeViewPager
    android:id="@+id/creativeViewPagerView"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    app:contentHorizontalPadding="32dp"
    app:contentMargin="8dp"
    app:imagesMargin="8dp"
    app:imagesSize="92dp"
    />

You will see a fake preview in Android Studio of the creative view.

Custom XML Attributes

Attribute Description
contentHorizontalPadding The start and end padding in dp of the content pages relative to the parent layout (by default 32dp)
contentItemMargin Margin in dp of each content item (by default 8dp)
headerItemMargin Margin in dp of each header item (by default 8dp)
headerItemSize The size in dp of the header items (by default 92dp)

Adapter

Create your own adapter extending CreativeViewAdapter

class NatureCreativePagerAdapter(val context: Context) : CreativePagerAdapter

By default, you have to override the 3 methods instantiateHeaderItem, instantiateContentItem and getCount.

    override fun instantiateHeaderItem(inflater: LayoutInflater, container: ViewGroup, position: Int): View {
    // Inflate page layout
    val headerRoot = inflater.inflate(R.layout.item_creative_content_nature, container, false)

    // Bind the views
    val title: TextView = headerRoot.findViewById(R.id.itemCreativeNatureTitle)
    val image: ImageView = headerRoot.findViewById(R.id.itemCreativeNatureImage)

    title.text = context.getString(R.string.item_nature_title, position)
    image.setImageDrawable(context.getDrawable(NatureItem.values()[position].natureDrawable))

    return headerRoot
  }

  override fun instantiateContentItem(inflater: LayoutInflater, container: ViewGroup, position: Int): View {
    // Inflate the header view layout
    val contentRoot = inflater.inflate(R.layout.item_creative_header_profile, container,
            false)

    // Bind the views
    val imageView = contentRoot.findViewById<ImageView>(R.id.itemCreativeImage)

    imageView.setImageDrawable(ContextCompat.getDrawable(context, NatureItem.values()[position].userDrawable))
    return contentRoot
  }

  override fun getCount(): Int {
    return NatureItem.values().size
  }

If you want to have the cool colored background effect when you're sliding the view pager, you have to override the two methods and provide the bitmap used for specific position.

  override fun isUpdatingBackgroundColor(): Boolean {
    return true
  }

  override fun requestBitmapAtPosition(position: Int): Bitmap? {
    // Return the bitmap used for the position
    return BitmapFactory.decodeResource(context.resources,
            NatureItem.values()[position].natureDrawable)
  }

In your Activity / Fragment

Finally, set your adapter to the CreativeViewPager in your activity or fragment.

creativeViewPagerView.setCreativeViewPagerAdapter(NatureCreativePagerAdapter(activity))

Don't forget to star the project if you like it! star == heart

Changelog

1.0.1

  • Rename class CreativeViewPagerView to CreativeViewPager
  • Rename class CreativeViewAdapter to CreativePagerAdapter
  • Rename attribute imagesMargin to headerItemMargin
  • Rename attribute imagesSize to headerItemSize
  • Rename attribute contentMargin to contentItemMargin
  • Add the setCurrentItem(position: Int) to CreativeViewPager

Icons designed by Freepics from Flaticon

License

Copyright 2018 Tommy Buonomo

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
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