up

app/src/main/java/io/legado/app/ui/main/MainActivity.kt

@@ -73,14 +73,13 @@ class MainActivity : VMBaseActivity<MainViewModel>(R.layout.activity_main),
     override fun onKeyUp(keyCode: Int, event: KeyEvent?): Boolean {
         event?.let {
             when (keyCode) {
-                KeyEvent.KEYCODE_BACK -> if (
+                KeyEvent.KEYCODE_BACK -> if (event.isTracking && !event.isCanceled) {
-                    pagePosition != 0
+                    if (pagePosition != 0) {
-                    && event.isTracking
-                    && !event.isCanceled
-                ) {
                         view_pager_main.currentItem = 0
                         return true
                     }
+
+                }
             }
         }
         return super.onKeyUp(keyCode, event)