...

app/src/main/java/com/base/pdfviewerscannerwhite/ui/document/pdf/PdfActivity.kt

@@ -51,8 +51,8 @@ import java.io.File
 class PdfActivity : BaseActivity<ActivityPdfBinding>(), PdfView {
 
     private val TAG = "PdfActivity"
-    private lateinit var pdfPresenter: PdfPresenter
-    private lateinit var pdfPageAdapter: PdfPagerAdapter
+    private var pdfPresenter: PdfPresenter? = null
+    private var pdfPageAdapter: PdfPagerAdapter? = null
 
     private var muPDFCore: MuPDFCore? = null // 加载mupdf.so文件
     private var searchTask: SearchTask? = null
@@ -85,7 +85,7 @@ class PdfActivity : BaseActivity<ActivityPdfBinding>(), PdfView {
         super.onDestroy()
         muPDFCore?.onDestroy()
         AdmobNativeUtils.onDestroy()
-        pdfPageAdapter.release()
+        pdfPageAdapter?.release()
     }
 
 
@@ -114,7 +114,7 @@ class PdfActivity : BaseActivity<ActivityPdfBinding>(), PdfView {
         changeNormalUI()
 
         runCatching {
-            muPDFCore = pdfPresenter.openFile(path, uri)
+            muPDFCore = pdfPresenter?.openFile(path, uri)
         }
 
         // 搜索设为空
@@ -124,8 +124,8 @@ class PdfActivity : BaseActivity<ActivityPdfBinding>(), PdfView {
             //val pwd = intent.extras?.getString("pwd") ?: ""
             val flag = muPDFCore?.authenticatePassword(pwd) ?: false
             if (flag) {
-                pdfPresenter.password = pwd
-               // pdfPageAdapter.setPassword(pwd)
+                pdfPresenter?.password = pwd
+                // pdfPageAdapter.setPassword(pwd)
                 createPdfUI()
                 muPDFCore?.countPages()?.let {
                     //pdfPresenter.iniPdfPage(it)
@@ -351,10 +351,10 @@ class PdfActivity : BaseActivity<ActivityPdfBinding>(), PdfView {
     }
 
     private fun initAdapter() {
-        pdfPageAdapter = PdfPagerAdapter(path, uri, mPassword = pwd){
+        pdfPageAdapter = PdfPagerAdapter(path, uri, mPassword = pwd) {
             iniSetVerticalSeekbar(it)
         }
-        pdfPageAdapter.clickAction = { pageIndex ->
+        pdfPageAdapter?.clickAction = { pageIndex ->
             binding.mupdfReaderView.displayedViewIndex = pageIndex
         }
         binding.rvPager.adapter = pdfPageAdapter
@@ -482,7 +482,7 @@ class PdfActivity : BaseActivity<ActivityPdfBinding>(), PdfView {
             @SuppressLint("SetTextI18n")
             override fun onMoveToChild(i: Int) {
                 binding.tvPageCount.text = "${i + 1}/${muPDFCore?.countPages()}"
-                pdfPageAdapter.changeSelectPager(i)
+                pdfPageAdapter?.changeSelectPager(i)
                 binding.rvPager.scrollToPosition(i)
                 setVerticalSeekbar(i + 1, muPDFCore?.countPages() ?: 0)
             }