Minor cleanup

app/src/main/java/eu/kanade/tachiyomi/util/system/ContextExtensions.kt

@@ -33,6 +33,7 @@ import androidx.core.net.toUri
 import androidx.localbroadcastmanager.content.LocalBroadcastManager
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.util.lang.truncateCenter
+import java.io.File
 import kotlin.math.roundToInt
 
 /**
@@ -244,3 +245,12 @@ fun Context.openInBrowser(uri: Uri, @ColorInt toolbarColor: Int? = null) {
         toast(e.message)
     }
 }
+
+fun Context.createFileInCacheDir(name: String): File {
+    val file = File(externalCacheDir, name)
+    if (file.exists()) {
+        file.delete()
+    }
+    file.createNewFile()
+    return file
+}