...

app/src/main/java/com/base/pdfviewerscannerwhite/ui/document/excel/ExcelActivity.kt

@@ -68,6 +68,11 @@ class ExcelActivity : BaseActivity<ActivityExcelBinding>() {
         AdmobNativeUtils.showNativeAd(this, binding.flAd, R.layout.layout_admob_document_in)
     }
 
+    override fun onDestroy() {
+        super.onDestroy()
+        binding.mDocView.onDestroy()
+    }
+
     @SuppressLint("ClickableViewAccessibility")
     override fun initListener() {
         super.initListener()
@@ -97,7 +102,6 @@ class ExcelActivity : BaseActivity<ActivityExcelBinding>() {
         binding.ivMore.setOnClickListener {
             showDocumentMore(excelDocumentBean)
         }
-
         binding.mDocView.singleTapAction = {
             LogEx.logDebug(TAG, "actionDownCallBack")
             if (isShowTopLayout) {

app/src/main/java/com/base/pdfviewerscannerwhite/ui/document/ppt/PptActivity.kt

@@ -84,6 +84,11 @@ class PptActivity : BaseActivity<ActivityPptBinding>() {
         AdmobNativeUtils.showNativeAd(this, binding.flAd, R.layout.layout_admob_document_in)
     }
 
+    override fun onDestroy() {
+        super.onDestroy()
+        binding.mDocView.onDestroy()
+    }
+
     override fun initListener() {
         super.initListener()
         onBackPressedDispatcher.addCallback {

app/src/main/java/com/base/pdfviewerscannerwhite/ui/document/word/WordActivity.kt

@@ -343,6 +343,7 @@ class WordActivity : BaseActivity<ActivityWordBinding>() {
 
     override fun onDestroy() {
         super.onDestroy()
+        binding.mDocView.onDestroy()
     }
 
 }
\ No newline at end of file