Consume API to show repository list

solutions/devsprint-denis-vieira-1/app/src/main/java/com/devpass/githubapp/presentation/RepositoryListActivity.kt

@@ -1,44 +1,68 @@
 package com.devpass.githubapp.presentation
 
 import android.os.Bundle
-import android.util.Log
 import androidx.appcompat.app.AppCompatActivity
-import androidx.navigation.ui.AppBarConfiguration
-import android.widget.Toast
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.devpass.githubapp.R
 import com.devpass.githubapp.data.api.GitHubEndpoint
 import com.devpass.githubapp.data.model.Repository
 import com.devpass.githubapp.databinding.ActivityMainBinding
 import com.devpass.githubapp.utils.NetworkUtils
+import com.google.android.material.snackbar.Snackbar
 import retrofit2.Call
 import retrofit2.Callback
 import retrofit2.Response
 
 class RepositoryListActivity : AppCompatActivity() {
 
  private lateinit var binding: ActivityMainBinding
+ private val cellItemAdapter = RepositoryListAdapter()
+
+ private val snackBarError: Snackbar
+ get() = Snackbar.make(
+ binding.root,
+ R.string.snackbar_error,
+ Snackbar.LENGTH_INDEFINITE
+ ).apply {
+ setAction(R.string.retry) { requestData() }
+ }
 
  override fun onCreate(savedInstanceState: Bundle?) {
  super.onCreate(savedInstanceState)
 
  binding = ActivityMainBinding.inflate(layoutInflater)
  setContentView(binding.root)
-
  setSupportActionBar(binding.toolbar)
+ setupLayout()
+
+ requestData()
+ }
 
+ private fun requestData() {
  val retrofitClient = NetworkUtils.getRetrofitInstance("https://api.github.com")
  val endpoint = retrofitClient.create(GitHubEndpoint::class.java)
  val callback = endpoint.getRepositories("devpass-tech")
 
  callback.enqueue(object : Callback<List<Repository>> {
  override fun onFailure(call: Call<List<Repository>>, t: Throwable) {
- Toast.makeText(baseContext, t.message, Toast.LENGTH_SHORT).show()
+ snackBarError.show()
  }
 
- override fun onResponse(call: Call<List<Repository>>, response: Response<List<Repository>>) {
-
- response.body()?.toString()?.let { Log.d("BODY", it) }
+ override fun onResponse(
+ call: Call<List<Repository>>,
+ response: Response<List<Repository>>
+ ) {
+ response.body()?.let { list ->
+ cellItemAdapter.repositories = list
+ cellItemAdapter.notifyDataSetChanged()
+ } ?: snackBarError.show()
  }
  })
  }
 
+ private fun setupLayout() {
+ binding.contentList.repositoriesRecyclerview.layoutManager =
+ LinearLayoutManager(baseContext, LinearLayoutManager.VERTICAL, false)
+ binding.contentList.repositoriesRecyclerview.adapter = cellItemAdapter
+ }
 }

solutions/devsprint-denis-vieira-1/app/src/main/java/com/devpass/githubapp/presentation/RepositoryListAdapter.kt

@@ -8,7 +8,7 @@ import com.devpass.githubapp.databinding.ItemCellRepositoryBinding
 
 class RepositoryListAdapter : RecyclerView.Adapter<RepositoryCellItem>() {
 
- private val repositories: List<Repository> = listOf()
+ var repositories: List<Repository> = listOf()
 
  override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RepositoryCellItem {
  val inflater = LayoutInflater.from(parent.context)

solutions/devsprint-denis-vieira-1/app/src/main/res/layout/activity_main.xml

@@ -20,6 +20,8 @@
 
  </com.google.android.material.appbar.AppBarLayout>
 
- <include layout="@layout/content_repository_list"/>
+ <include
+ android:id="@+id/content_list"
+ layout="@layout/content_repository_list"/>
 
 </androidx.coordinatorlayout.widget.CoordinatorLayout>

solutions/devsprint-denis-vieira-1/app/src/main/res/values/strings.xml

@@ -9,4 +9,6 @@
  <string name="previous">Previous</string>
  <string name="hello_second_fragment">Hello second fragment. Arg: %1$s</string>
  <string name="avatar_content_description">The image shows the repository avatar</string>
+ <string name="snackbar_error">An error occurred while trying to get the list</string>
+ <string name="retry">Retry</string>
 </resources>