Remove some dead code

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

@@ -1,8 +1,6 @@
 package eu.kanade.tachiyomi.util.system
 
 import android.app.ActivityManager
-import android.app.KeyguardManager
-import android.app.Notification
 import android.app.NotificationManager
 import android.content.ClipData
 import android.content.ClipboardManager
@@ -24,11 +22,9 @@ import android.util.TypedValue
 import android.view.Display
 import android.view.View
 import android.view.WindowManager
-import android.view.inputmethod.InputMethodManager
 import androidx.annotation.AttrRes
 import androidx.annotation.ColorInt
 import androidx.appcompat.view.ContextThemeWrapper
-import androidx.core.app.NotificationCompat
 import androidx.core.content.ContextCompat
 import androidx.core.content.getSystemService
 import androidx.core.graphics.alpha
@@ -75,34 +71,6 @@ fun Context.copyToClipboard(label: String, content: String) {
     }
 }
 
-/**
- * Helper method to create a notification builder.
- *
- * @param id the channel id.
- * @param block the function that will execute inside the builder.
- * @return a notification to be displayed or updated.
- */
-fun Context.notificationBuilder(channelId: String, block: (NotificationCompat.Builder.() -> Unit)? = null): NotificationCompat.Builder {
-    val builder = NotificationCompat.Builder(this, channelId)
-        .setColor(getColor(R.color.accent_blue))
-    if (block != null) {
-        builder.block()
-    }
-    return builder
-}
-
-/**
- * Helper method to create a notification.
- *
- * @param id the channel id.
- * @param block the function that will execute inside the builder.
- * @return a notification to be displayed or updated.
- */
-fun Context.notification(channelId: String, block: (NotificationCompat.Builder.() -> Unit)?): Notification {
-    val builder = notificationBuilder(channelId, block)
-    return builder.build()
-}
-
 /**
  * Checks if the give permission is granted.
  *
@@ -146,12 +114,6 @@ fun Context.hasPermission(permission: String) = ContextCompat.checkSelfPermissio
 val getDisplayMaxHeightInPx: Int
     get() = Resources.getSystem().displayMetrics.let { max(it.heightPixels, it.widthPixels) }
 
-/**
- * Converts to dp.
- */
-val Int.pxToDp: Int
-    get() = (this / Resources.getSystem().displayMetrics.density).toInt()
-
 /**
  * Converts to px.
  */
@@ -182,12 +144,6 @@ val Context.wifiManager: WifiManager
 val Context.powerManager: PowerManager
     get() = getSystemService()!!
 
-val Context.keyguardManager: KeyguardManager
-    get() = getSystemService()!!
-
-val Context.inputMethodManager: InputMethodManager
-    get() = getSystemService()!!
-
 val Context.displayCompat: Display?
     get() = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
         display

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

@@ -1,7 +1,11 @@
 package eu.kanade.tachiyomi.util.system
 
+import android.app.Notification
+import android.content.Context
 import androidx.core.app.NotificationChannelCompat
 import androidx.core.app.NotificationChannelGroupCompat
+import androidx.core.app.NotificationCompat
+import eu.kanade.tachiyomi.R
 
 /**
  * Helper method to build a notification channel group.
@@ -36,3 +40,31 @@ fun buildNotificationChannel(
     builder.block()
     return builder.build()
 }
+
+/**
+ * Helper method to create a notification builder.
+ *
+ * @param id the channel id.
+ * @param block the function that will execute inside the builder.
+ * @return a notification to be displayed or updated.
+ */
+fun Context.notificationBuilder(channelId: String, block: (NotificationCompat.Builder.() -> Unit)? = null): NotificationCompat.Builder {
+    val builder = NotificationCompat.Builder(this, channelId)
+        .setColor(getColor(R.color.accent_blue))
+    if (block != null) {
+        builder.block()
+    }
+    return builder
+}
+
+/**
+ * Helper method to create a notification.
+ *
+ * @param id the channel id.
+ * @param block the function that will execute inside the builder.
+ * @return a notification to be displayed or updated.
+ */
+fun Context.notification(channelId: String, block: (NotificationCompat.Builder.() -> Unit)?): Notification {
+    val builder = notificationBuilder(channelId, block)
+    return builder.build()
+}