add app distribution auto update

app/src/main/java/com/example/hposregistration/ui/activities/MainActivity.kt

@@ -2,6 +2,10 @@ package com.example.hposregistration.ui.activities
 
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import android.widget.Toast
+import com.google.firebase.appdistribution.FirebaseAppDistribution
+import com.google.firebase.appdistribution.FirebaseAppDistributionException
+import com.google.firebase.crashlytics.FirebaseCrashlytics
 import dagger.hilt.android.AndroidEntryPoint
 import `in`.sminnovations.hposregistration.databinding.ActivityMainBinding
 
@@ -16,4 +20,44 @@ class MainActivity : AppCompatActivity() {
         setContentView(binding.root)
 
     }
+
+    override fun onResume() {
+        super.onResume()
+
+        val firebaseAppDistribution = FirebaseAppDistribution.getInstance()
+        firebaseAppDistribution.updateIfNewReleaseAvailable()
+            .addOnProgressListener { updateProgress ->
+
+                if (updateProgress.apkBytesDownloaded > 0) {
+                    Toast.makeText(
+                        this,
+                        "${updateProgress.updateStatus}. ${updateProgress.apkBytesDownloaded / 1048576} /${updateProgress.apkFileTotalBytes / 1048576} MB",
+                        Toast.LENGTH_SHORT
+                    ).show()
+                }
+            }
+            .addOnFailureListener { e ->
+                // (Optional) Handle errors.
+                if (e is FirebaseAppDistributionException) {
+                    when (e.errorCode) {
+                        FirebaseAppDistributionException.Status.NOT_IMPLEMENTED -> {
+                            // SDK did nothing. This is expected when building for Play.
+                        }
+
+                        else -> {
+                            // Handle other errors.
+                            Toast.makeText(
+                                this,
+                                "AppDistribution error, status: ${e.errorCode}",
+                                Toast.LENGTH_SHORT
+                            ).show()
+                        }
+                    }
+                    FirebaseCrashlytics.getInstance().recordException(e)
+                }
+            }
+            .addOnSuccessListener {
+//                Toast.makeText(this, "App Update: Success!", Toast.LENGTH_SHORT).show()
+            }
+    }
 }