优化

app/src/main/java/io/legado/app/receiver/MediaButtonReceiver.kt

@@ -22,7 +22,6 @@ import io.legado.app.utils.postEvent
  * Created by GKF on 2018/1/6.
  * 监听耳机键
  */
-
 class MediaButtonReceiver : BroadcastReceiver() {
 
     override fun onReceive(context: Context, intent: Intent) {
@@ -36,8 +35,8 @@ class MediaButtonReceiver : BroadcastReceiver() {
         fun handleIntent(context: Context, intent: Intent): Boolean {
             val intentAction = intent.action
             if (Intent.ACTION_MEDIA_BUTTON == intentAction) {
-                val keyEvent =
-                    intent.getParcelableExtra<KeyEvent>(Intent.EXTRA_KEY_EVENT) ?: return false
+                val keyEvent = intent.getParcelableExtra<KeyEvent>(Intent.EXTRA_KEY_EVENT)
+                    ?: return false
                 val keycode: Int = keyEvent.keyCode
                 val action: Int = keyEvent.action
                 if (action == KeyEvent.ACTION_DOWN) {