質問編集履歴
1
RepoAdapterをjavaからkotlinに変更しました
test
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File without changes
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test
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@@ -83,70 +83,49 @@
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```
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```RepoAdapter
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86
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-
package com.example.yourprojectname
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86
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+
package com.example.yourprojectname
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88
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-
import android.view.LayoutInflater
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88
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+
import android.view.LayoutInflater
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89
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import android.view.View
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import android.view.View
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90
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-
import android.view.ViewGroup
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import android.view.ViewGroup
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import android.widget.TextView
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import android.widget.TextView
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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.example.github.R
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import androidx.annotation.NonNull;
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-
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class RepoAdapter(private val repos: List<Repo>) : PagingDataAdapter<Repo, RepoAdapter.RepoViewHolder>(DIFF_CALLBACK) {
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import androidx.recyclerview.widget.DiffUtil;
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import androidx.recyclerview.widget.RecyclerView;
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import com.example.github.R;
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import kotlin.Unit;
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-
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101
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-
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RepoViewHolder {
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102
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-
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100
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val view = LayoutInflater.from(parent.context).inflate(R.layout.repo_item, parent, false)
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103
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-
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101
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return RepoViewHolder(view)
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104
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super(DIFF_CALLBACK);
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-
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}
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-
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109
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@NonNull
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@Override
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public RepoViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
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View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.repo_item, parent, false);
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return new RepoViewHolder(view);
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}
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-
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@Override
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117
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-
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104
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override fun onBindViewHolder(holder: RepoViewHolder, position: Int) {
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118
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-
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105
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val repo = getItem(position)
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if (repo != null) {
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120
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holder.nameTextView.
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holder.nameTextView.text = repo.name
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holder.descriptionTextView.
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holder.descriptionTextView.text = repo.description
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}
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}
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-
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112
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class RepoViewHolder(view: View) : RecyclerView.ViewHolder(view) {
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val nameTextView: TextView = view.findViewById(R.id.repo_name)
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val descriptionTextView: TextView = view.findViewById(R.id.repo_description)
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}
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companion object {
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val DIFF_CALLBACK = object : DiffUtil.ItemCallback<Repo>() {
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override fun areItemsTheSame(oldItem: Repo, newItem: Repo): Boolean {
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-
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return oldItem.id == newItem.id
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-
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}
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public RepoViewHolder(@NonNull View itemView) {
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super(itemView);
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nameTextView = itemView.findViewById(R.id.repo_name);
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de
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override fun areContentsTheSame(oldItem: Repo, newItem: Repo): Boolean {
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return oldItem == newItem
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}
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}
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}
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-
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private static final DiffUtil.ItemCallback<Repo> DIFF_CALLBACK = new DiffUtil.ItemCallback<Repo>() {
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@Override
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public boolean areItemsTheSame(@NonNull Repo oldItem, @NonNull Repo newItem) {
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return oldItem.id == newItem.id;
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}
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@Override
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public boolean areContentsTheSame(@NonNull Repo oldItem, @NonNull Repo newItem) {
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return oldItem.equals(newItem);
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}
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};
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}
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-
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```
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### 試したこと・調べたこと
|