...

app/src/main/java/com/test/easy/easycleanerjunk/activity/whatsapp/WhatsAppMessageCleanActivity.kt

@@ -69,7 +69,9 @@ class WhatsAppMessageCleanActivity : BaseActivity<ActivityWhatsAppMessageCleanBi
             onBackPressedDispatcher.onBackPressed()
         }
         onBackPressedDispatcher.addCallback {
-            finish()
+            AdmobUtils.showInterstitialAd(this@WhatsAppMessageCleanActivity, isShowInterVal = false) {
+                finishToMain()
+            }
         }
         binding.llSelectAll.setOnClickListener {
             it.isSelected = !it.isSelected