Binding directly to template

app/src/main/java/com/example/android/guesstheword/screens/game/GameFragment.kt

@@ -50,12 +50,7 @@ class GameFragment : Fragment() {
 
         viewModel = ViewModelProviders.of(this).get(GameViewModel::class.java)
 
-        binding.correctButton.setOnClickListener {
-            viewModel.onCorrect()
-        }
-        binding.skipButton.setOnClickListener {
-            viewModel.onSkip()
-        }
+        binding.gameViewModel = viewModel
 
         viewModel.score.observe(this, Observer {
             binding.scoreText.text = getString(R.string.score_format, it)

app/src/main/java/com/example/android/guesstheword/screens/score/ScoreFragment.kt

@@ -56,6 +56,8 @@ class ScoreFragment : Fragment() {
         viewModel = ViewModelProviders.of(this, viewModelFactory)
                 .get(ScoreViewModel::class.java)
 
+        binding.scoreViewModel = viewModel
+
         viewModel.score.observe(this, Observer {
             binding.scoreText.text = it.toString()
         })
@@ -66,10 +68,6 @@ class ScoreFragment : Fragment() {
             }
         })
 
-        binding.playAgainButton.setOnClickListener {
-            viewModel.playAgain()
-        }
-
         return binding.root
     }
 

app/src/main/java/com/example/android/guesstheword/screens/score/ScoreViewModel.kt

@@ -22,7 +22,7 @@ class ScoreViewModel(var finalScore:  Int): ViewModel() {
         _score.value = finalScore
     }
 
-    fun playAgain() {
+    fun onPlayAgain() {
         _eventPlayAgain.value = true
     }
 

app/src/main/res/layout/game_fragment.xml

@@ -18,6 +18,12 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools">
 
+    <data>
+        <variable
+            name="gameViewModel"
+            type="com.example.android.guesstheword.screens.game.GameViewModel" />
+    </data>
+
     <androidx.constraintlayout.widget.ConstraintLayout
         android:id="@+id/game_layout"
         android:layout_width="match_parent"
@@ -96,6 +102,7 @@
             android:layout_height="wrap_content"
             android:layout_marginStart="16dp"
             android:text="@string/skip"
+            android:onClick="@{() -> gameViewModel.onSkip()}"
             android:theme="@style/SkipButton"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toStartOf="@+id/correct_button"
@@ -117,6 +124,7 @@
             android:layout_height="wrap_content"
             android:layout_marginEnd="16dp"
             android:text="@string/got_it"
+            android:onClick="@{() -> gameViewModel.onCorrect()}"
             android:theme="@style/GoButton"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"

app/src/main/res/layout/score_fragment.xml

@@ -18,6 +18,12 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools">
 
+    <data>
+        <variable
+            name="scoreViewModel"
+            type="com.example.android.guesstheword.screens.score.ScoreViewModel" />
+    </data>
+
     <androidx.constraintlayout.widget.ConstraintLayout
         android:id="@+id/score_layout"
         android:layout_width="match_parent"
@@ -65,6 +71,7 @@
             android:layout_height="wrap_content"
             android:layout_marginBottom="32dp"
             android:text="@string/play_again"
+            android:onClick="@{() -> scoreViewModel.onPlayAgain()}"
             android:theme="@style/GoButton"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"