refactor: set PageFragment layout in the constructor

Author: BrayanDSO

AnkiDroid/src/main/java/com/ichi2/anki/pages/PageFragment.kt

@@ -21,6 +21,7 @@ import android.webkit.WebChromeClient
 import android.webkit.WebView
 import android.webkit.WebViewClient
 import androidx.annotation.CallSuper
+import androidx.annotation.LayoutRes
 import androidx.fragment.app.Fragment
 import com.google.android.material.appbar.MaterialToolbar
 import com.ichi2.anki.R
@@ -31,7 +32,10 @@ import timber.log.Timber
  * Base class for displaying Anki HTML pages
  */
 @Suppress("LeakingThis")
-abstract class PageFragment : Fragment(R.layout.page_fragment), PostRequestHandler {
+abstract class PageFragment(@LayoutRes contentLayoutId: Int = R.layout.page_fragment) :
+    Fragment(contentLayoutId),
+    PostRequestHandler {
+
     abstract val title: String
     abstract val pageName: String
 

AnkiDroid/src/main/java/com/ichi2/anki/pages/Statistics.kt

@@ -20,9 +20,7 @@ import android.content.Intent
 import android.os.Bundle
 import android.print.PrintAttributes
 import android.print.PrintManager
-import android.view.LayoutInflater
 import android.view.View
-import android.view.ViewGroup
 import androidx.core.content.ContextCompat.getSystemService
 import com.google.android.material.appbar.MaterialToolbar
 import com.ichi2.anki.CollectionManager
@@ -31,18 +29,11 @@ import com.ichi2.anki.SingleFragmentActivity
 import com.ichi2.anki.utils.getTimestamp
 import com.ichi2.libanki.utils.TimeManager
 
-class Statistics : PageFragment() {
+class Statistics : PageFragment(R.layout.statistics) {
     override val title: String
         get() = resources.getString(R.string.statistics)
 
     override val pageName = "graphs"
-    override fun onCreateView(
-        inflater: LayoutInflater,
-        container: ViewGroup?,
-        savedInstanceState: Bundle?
-    ): View? {
-        return inflater.inflate(R.layout.statistics, container, false)
-    }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)