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End of part 7
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Lines changed: 80 additions & 1 deletion

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‎app/src/main/AndroidManifest.xml‎

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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.codinginflow.imagesearchapp">
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<uses-permission android:name="android.permission.INTERNET" />
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<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
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<application
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android:name=".ImageSearchApplication"
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android:allowBackup="true"

‎app/src/main/java/com/codinginflow/imagesearchapp/ui/gallery/GalleryFragment.kt‎

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import androidx.fragment.app.Fragment
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import androidx.fragment.app.viewModels
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import com.codinginflow.imagesearchapp.R
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import com.codinginflow.imagesearchapp.databinding.FragmentGalleryBinding
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import dagger.hilt.android.AndroidEntryPoint
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@AndroidEntryPoint
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class GalleryFragment : Fragment(R.layout.fragment_gallery) {
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private val viewModel by viewModels<GalleryViewModel>()
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private var _binding: FragmentGalleryBinding? = null
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private val binding get() = _binding!!
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override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
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super.onViewCreated(view, savedInstanceState)
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viewModel.photos.observe(viewLifecycleOwner) {
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_binding = FragmentGalleryBinding.bind(view)
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val adapter = UnsplashPhotoAdapter()
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binding.apply {
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recyclerView.setHasFixedSize(true)
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recyclerView.adapter = adapter
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}
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viewModel.photos.observe(viewLifecycleOwner) {
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adapter.submitData(viewLifecycleOwner.lifecycle, it)
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}
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}
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override fun onDestroyView() {
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super.onDestroyView()
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_binding = null
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}
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}

‎app/src/main/java/com/codinginflow/imagesearchapp/ui/gallery/UnsplashPhotoAdapter.kt‎

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package com.codinginflow.imagesearchapp.ui.gallery
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import android.view.LayoutInflater
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import android.view.ViewGroup
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import androidx.paging.PagingDataAdapter
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import androidx.recyclerview.widget.DiffUtil
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import androidx.recyclerview.widget.RecyclerView
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import com.bumptech.glide.Glide
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import com.bumptech.glide.load.resource.drawable.DrawableTransitionOptions
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import com.codinginflow.imagesearchapp.R
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import com.codinginflow.imagesearchapp.data.UnsplashPhoto
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import com.codinginflow.imagesearchapp.databinding.ItemUnsplashPhotoBinding
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class UnsplashPhotoAdapter :
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PagingDataAdapter<UnsplashPhoto, UnsplashPhotoAdapter.PhotoViewHolder>(PHOTO_COMPARATOR) {
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): PhotoViewHolder {
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val binding =
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ItemUnsplashPhotoBinding.inflate(LayoutInflater.from(parent.context), parent, false)
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return PhotoViewHolder(binding)
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}
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override fun onBindViewHolder(holder: PhotoViewHolder, position: Int) {
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val currentItem = getItem(position)
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if (currentItem != null) {
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holder.bind(currentItem)
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}
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}
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class PhotoViewHolder(private val binding: ItemUnsplashPhotoBinding) :
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RecyclerView.ViewHolder(binding.root) {
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fun bind(photo: UnsplashPhoto) {
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binding.apply {
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Glide.with(itemView)
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.load(photo.urls.regular)
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.centerCrop()
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.transition(DrawableTransitionOptions.withCrossFade())
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.error(R.drawable.ic_error)
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.into(imageView)
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textViewUserName.text = photo.user.username
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}
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}
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}
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companion object {
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private val PHOTO_COMPARATOR = object : DiffUtil.ItemCallback<UnsplashPhoto>() {
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override fun areItemsTheSame(oldItem: UnsplashPhoto, newItem: UnsplashPhoto) =
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oldItem.id == newItem.id
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override fun areContentsTheSame(oldItem: UnsplashPhoto, newItem: UnsplashPhoto) =
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oldItem == newItem
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}
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}
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}

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