- Add clear entry in menu

- clean string.xml file
-

app/src/main/java/me/zobrist/tichucounter/MainActivity.kt

@@ -3,6 +3,7 @@ package me.zobrist.tichucounter
 import android.os.Bundle
 import androidx.appcompat.app.AppCompatActivity
 import android.view.Menu
+import android.view.MenuItem
 import androidx.core.widget.doOnTextChanged
 import kotlinx.android.synthetic.main.content_main.*
 import kotlinx.coroutines.sync.Mutex
@@ -60,8 +61,6 @@ class MainActivity : AppCompatActivity() {
                 }
                 inputTeamB.setText(temp.toString())
             }
-
-            updateTemp()
         }
 
         sub100.setOnClickListener {
@@ -85,8 +84,6 @@ class MainActivity : AppCompatActivity() {
                 }
                 inputTeamB.setText(temp.toString())
             }
-
-            updateTemp()
         }
 
         add.setOnClickListener {
@@ -107,7 +104,6 @@ class MainActivity : AppCompatActivity() {
                 inputTeamA.setText("")
                 inputTeamB.setText("")
             }
-
         }
     }
 
@@ -117,6 +113,26 @@ class MainActivity : AppCompatActivity() {
         return true
     }
 
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        return when (item.itemId) {
+            R.id.action_clear -> {
+                clearAll()
+                true
+            }
+            else -> super.onOptionsItemSelected(item)
+        }
+    }
+
+    private fun clearAll() {
+        historyA.text = ""
+        historyB.text = ""
+        inputTeamA.setText("")
+        inputTeamB.setText("")
+        scoreA.text = "50"
+        scoreB.text = ""
+    }
+
+
     private fun updateNumber(inputText: CharSequence?, offset: Int): String {
         var toSet: Int = 0
 
@@ -131,11 +147,4 @@ class MainActivity : AppCompatActivity() {
 
         return "$toSet"
     }
-
-    private fun updateTemp() {
-        nameTeamA.text = tempCounterTeamA.toString()
-        nameTeamB.text = tempCounterTeamB.toString()
-    }
-
-
 }