StarterNameActivity code

app/src/main/java/adrienmalin/pingpoints/StarterNameActivity.kt

@@ -1,12 +1,76 @@
 package adrienmalin.pingpoints
 
+import android.content.Context
+import android.content.SharedPreferences
 import android.support.v7.app.AppCompatActivity
 import android.os.Bundle
+import android.view.View
+import android.widget.*
+
 
 class StarterNameActivity : AppCompatActivity() {
+    var player1NameInput: AutoCompleteTextView = null
+    var player2NameInput: AutoCompleteTextView = null
+    var starterRadioGroup: RadioGroup = null
+    var previousMatch: SharedPreferences = null
+    var previousPlayers: Set<String> = emptySet()
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_starter_name)
+
+        previousMatch = getPreferences(Context.MODE_PRIVATE)
+        previousPlayers = previousMatch.getStringSet("previousPlayers", emptySet())
+        val previousPlayersAdapter = ArrayAdapter<String>(
+            this,
+            R.layout.activity_starter_name,
+            previousPlayers.toList())
+
+        player1NameInput = findViewById<AutoCompleteTextView>(R.id.player1Name)
+        player1NameInput?.run {
+            setText(
+                previousMatch.getString(
+                    "previousPlayer2",
+                    getString(R.string.player_1_default_name)),
+                TextView.BufferType.EDITABLE)
+            setAdapter(previousPlayersAdapter)
+            threshold = 1
+        }
+
+        player2NameInput = findViewById<AutoCompleteTextView>(R.id.player2Name)
+        player2NameInput?.run{
+            setText(
+                previousMatch.getString(
+                    "previousPlayer1",
+                    getString(R.string.player_2_default_name)),
+                TextView.BufferType.EDITABLE)
+            setAdapter(previousPlayersAdapter)
+            threshold = 1
+        }
+
+        starterRadioGroup = findViewById<RadioGroup>(R.id.starterRadioGroup)
+        starterRadioGroup?.check(previousMatch.getInt("previousStarterId", 0))
+    }
+
+    fun swapNames(view: View) {
+        player1NameInput?.text = player2NameInput?.text.also {
+            player2NameInput?.text = player1NameInput?.text
+        }
+    }
+
+    fun startMatch(view: View) {
+        val player1Name = player1NameInput?.text.toString()
+        val player2Name = player2NameInput?.text.toString()
+
+        // Save
+        previousMatch.edit().run{
+            putString("previousPlayer1", player1Name)
+            putString("previousPlayer2", player2Name)
+            putInt("previousStarterId", starterRadioGroup?.checkedRadioButtonId)
+            putStringSet(
+                "previousPlayers",
+                previousPlayers.plus(player1Name).plus(player2Name))
+            commit()
+        }
     }
 }