Fix an IllegalStateException crash (#1171)

app/src/main/java/com/lagradost/cloudstream3/utils/UIHelper.kt

@@ -16,6 +16,8 @@ import android.graphics.Color
 import android.graphics.drawable.Drawable
 import android.os.Build
 import android.os.Bundle
+import android.os.Handler
+import android.os.Looper
 import android.os.TransactionTooLargeException
 import android.util.Log
 import android.view.*
@@ -475,7 +477,23 @@ object UIHelper {
  }
 
  fun FragmentActivity.popCurrentPage() {
- this.onBackPressedDispatcher.onBackPressed()
+ // Post the back press action to the main thread handler to ensure it executes
+ // after any currently pending UI updates or fragment transactions.
+ Handler(Looper.getMainLooper()).post {
+ // Check if the FragmentManager state is saved. If it is, we cannot perform
+ // fragment transactions safely because the state may be inconsistent.
+ if (!supportFragmentManager.isStateSaved) {
+ // If the state is not saved, it's safe to perform the back press action.
+ this.onBackPressedDispatcher.onBackPressed()
+ } else {
+ // If the state is saved, retry the back press action after a slight delay.
+ // This gives the FragmentManager time to complete any ongoing state-saving
+ // operations or transactions, ensuring that we do not encounter an IllegalStateException.
+ Handler(Looper.getMainLooper()).postDelayed({
+ this.onBackPressedDispatcher.onBackPressed()
+ }, 100)
+ }
+ }
  }
 
  fun Context.getStatusBarHeight(): Int {