Cleanup Samples

Author: FarshidRoohi

sample/src/main/java/io/github/customadapterrecyclerview/singleViewType/SingleViewTypeActivity.kt

@@ -8,61 +8,70 @@ import androidx.recyclerview.widget.RecyclerView
 import io.github.farshidroohi.extensions.onItemClickListener
 import io.github.farshidroohi.extensions.onLoadMoreListener
 import ir.farshid_roohi.customadapterrecyclerview.R
-import kotlinx.android.synthetic.main.activity_main.*
-import java.util.*
 
 class SingleViewTypeActivity : AppCompatActivity() {
 
+    private lateinit var recyclerView: RecyclerView
+    private val singleViewTypeAdapter = SingleViewTypeAdapter()
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_single_view_type)
 
-        val recyclerView = findViewById<RecyclerView>(R.id.recyclerView)
-
-        val singleViewTypeAdapter = SingleViewTypeAdapter()
+        recyclerView = findViewById(R.id.recyclerView)
 
         // onClick Error Button
         singleViewTypeAdapter.onRetryClicked = {
-            singleViewTypeAdapter.loadingState()
-            // fake request or load other items...
-            recyclerView.postDelayed({
-                singleViewTypeAdapter.loadedState(tempItems)
-            }, 2000)
+            handleOnRetryData()
         }
 
         // set Data in List
-        singleViewTypeAdapter.loadedState(tempItems)
+        singleViewTypeAdapter.loadedState(fakeItems)
 
         recyclerView.layoutManager = GridLayoutManager(this@SingleViewTypeActivity, 2)
         recyclerView.adapter = singleViewTypeAdapter
 
 
         // set onLoad More Listener for Pagination
         recyclerView.onLoadMoreListener {
-            if (singleViewTypeAdapter.mustLoad) {
-                singleViewTypeAdapter.loadingState()
-                // failed state
-                recyclerView.postDelayed({
-                    singleViewTypeAdapter.failedState()
-                }, 2000)
-            }
+            handleOnLoadMore()
         }
 
-
         // Set onClick Item Listener
-        recyclerView.onItemClickListener(onClickItem = { position ->
-            showToast("onClickItem :  ${singleViewTypeAdapter.getItem(position)}$position")
-        }, onLongClickItem = { position ->
-            showToast("onLongClickItem :  ${singleViewTypeAdapter.getItem(position)}$position")
-        })
+        recyclerView.onItemClickListener(
+            onClickItem = { position ->
+                val item = singleViewTypeAdapter.getItem(position)
+                showToast("onClickItem :  $item")
+            }, onLongClickItem = { position ->
+                val item = singleViewTypeAdapter.getItem(position)
+                showToast("onLongClickItem :  $item")
+            })
     }
 
-    fun showToast(message: String) {
+    private fun showToast(message: String) {
         Toast.makeText(this, message, Toast.LENGTH_SHORT).show()
     }
 
+    private fun handleOnLoadMore() {
+        if (singleViewTypeAdapter.mustLoad) {
+            singleViewTypeAdapter.loadingState()
+            // failed state
+            recyclerView.postDelayed({
+                singleViewTypeAdapter.failedState()
+            }, 2000)
+        }
+    }
+
+    private fun handleOnRetryData() {
+        singleViewTypeAdapter.loadingState()
+        // fake request or load other items...
+        recyclerView.postDelayed({
+            singleViewTypeAdapter.loadedState(fakeItems)
+        }, 2000)
+    }
+
     // Generate Fake Data For List
-    private val tempItems: List<String>
+    private val fakeItems: List<String>
         get() {
             val items: MutableList<String> = ArrayList()
             for (i in 0..21) {