Update activity display when download fails

app/src/main/java/com/topjohnwu/magisk/core/download/BaseDownloader.kt

@@ -117,7 +117,7 @@ abstract class BaseDownloader : BaseService(), KoinComponent {
     fun Subject.notifyID() = hashCode()
 
     private fun notifyFail(subject: Subject) = lastNotify(subject.notifyID()) {
-        broadcast(-1f, subject)
+        broadcast(-2f, subject)
         it.setContentText(getString(R.string.download_file_error))
             .setSmallIcon(android.R.drawable.stat_notify_error)
             .setOngoing(false)

app/src/main/java/com/topjohnwu/magisk/ui/install/InstallViewModel.kt

@@ -75,6 +75,8 @@ class InstallViewModel(
         this.progress = progress.times(100).roundToInt()
         if (this.progress >= 100) {
             state = State.LOADED
+        } else if (this.progress < -150) {
+            state = State.LOADING_FAILED
         }
     }