Minor code cleanup

app/src/main/java/eu/kanade/tachiyomi/ui/setting/AnilistLoginActivity.kt

@@ -31,7 +31,7 @@ class AnilistLoginActivity : AppCompatActivity() {
                     .observeOn(AndroidSchedulers.mainThread())
                     .subscribe({
                         returnToSettings()
-                    }, { _ ->
+                    }, {
                         returnToSettings()
                     })
         } else {

app/src/main/java/eu/kanade/tachiyomi/ui/setting/PreferenceDSL.kt

@@ -61,14 +61,16 @@ inline fun <P : Preference> PreferenceGroup.initThenAdd(p: P, block: P.() -> Uni
     return p.apply {
         block()
         this.isIconSpaceReserved  = false
-        addPreference(this) }
+        addPreference(this)
+    }
 }
 
 inline fun <P : Preference> PreferenceGroup.addThenInit(p: P, block: P.() -> Unit): P {
     return p.apply {
         this.isIconSpaceReserved  = false
         addPreference(this)
-        block() }
+        block()
+    }
 }
 
 inline fun Preference.onClick(crossinline block: () -> Unit) {

app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsBackupController.kt

@@ -206,7 +206,7 @@ class SettingsBackupController : SettingsController() {
                     .content(R.string.backup_choice)
                     .items(options)
                     .itemsDisabledIndices(0)
-                    .itemsCallbackMultiChoice(arrayOf(0, 1, 2, 3, 4), { _, positions, _ ->
+                    .itemsCallbackMultiChoice(arrayOf(0, 1, 2, 3, 4)) { _, positions, _ ->
                         var flags = 0
                         for (i in 1 until positions.size) {
                             when (positions[i]) {
@@ -219,7 +219,7 @@ class SettingsBackupController : SettingsController() {
 
                         (targetController as? SettingsBackupController)?.createBackup(flags)
                         true
-                    })
+                    }
                     .positiveText(R.string.action_create)
                     .negativeText(android.R.string.cancel)
                     .build()

app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsDownloadController.kt

@@ -147,7 +147,7 @@ class SettingsDownloadController : SettingsController() {
 
             return MaterialDialog.Builder(activity)
                     .items(externalDirs)
-                    .itemsCallbackSingleChoice(selectedIndex, { _, _, which, text ->
+                    .itemsCallbackSingleChoice(selectedIndex) { _, _, which, text ->
                         val target = targetController as? SettingsDownloadController
                         if (which == externalDirs.lastIndex) {
                             target?.customDirectorySelected(currentDir)
@@ -155,7 +155,7 @@ class SettingsDownloadController : SettingsController() {
                             target?.predefinedDirectorySelected(text.toString())
                         }
                         true
-                    })
+                    }
                     .build()
         }
 

app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsGeneralController.kt

@@ -79,8 +79,8 @@ class SettingsGeneralController : SettingsController() {
 
             Observable.combineLatest(
                     preferences.portraitColumns().asObservable(),
-                    preferences.landscapeColumns().asObservable(),
-                    { portraitCols, landscapeCols -> Pair(portraitCols, landscapeCols) })
+                    preferences.landscapeColumns().asObservable()
+            ) { portraitCols, landscapeCols -> Pair(portraitCols, landscapeCols) }
                     .subscribeUntilDestroy { (portraitCols, landscapeCols) ->
                         val portrait = getColumnValue(portraitCols)
                         val landscape = getColumnValue(landscapeCols)