优化

app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt

@@ -98,8 +98,8 @@ class BookInfoActivity :
         return super.onCompatOptionsItemSelected(item)
     }
 
-    override fun onMenuOpened(featureId: Int, menu: Menu?): Boolean {
-        menu?.findItem(R.id.menu_can_update)?.isChecked =
+    override fun onMenuOpened(featureId: Int, menu: Menu): Boolean {
+        menu.findItem(R.id.menu_can_update)?.isChecked =
             viewModel.bookData.value?.canUpdate ?: true
         return super.onMenuOpened(featureId, menu)
     }

app/src/main/java/io/legado/app/ui/book/search/SearchActivity.kt

@@ -76,7 +76,7 @@ class SearchActivity : VMBaseActivity<SearchViewModel>(R.layout.activity_book_se
                     !getPrefBoolean(PreferKey.precisionSearch)
                 )
                 precisionSearchMenuItem?.isChecked = getPrefBoolean(PreferKey.precisionSearch)
-                search_view.query.toString().trim()?.let {
+                search_view.query?.toString()?.trim()?.let {
                     search_view.setQuery(it, true)
                 }
             }
@@ -88,7 +88,7 @@ class SearchActivity : VMBaseActivity<SearchViewModel>(R.layout.activity_book_se
                 } else {
                     putPrefString("searchGroup", item.title.toString())
                 }
-                search_view.query.toString().trim()?.let {
+                search_view.query?.toString()?.trim()?.let {
                     search_view.setQuery(it, true)
                 }
             }

app/src/main/java/io/legado/app/utils/FileUtils.kt

@@ -86,6 +86,7 @@ object FileUtils {
                 val type = split[0]
 
                 if ("primary".equals(type, ignoreCase = true)) {
+                    @Suppress("DEPRECATION")
                     return Environment.getExternalStorageDirectory().toString() + "/" + split[1]
                 }
 
@@ -135,7 +136,7 @@ object FileUtils {
 
     private fun getDataColumn(
         context: Context, uri: Uri, selection: String?,
-        selectionArgs: kotlin.Array<String>?
+        selectionArgs: Array<String>?
     ): String? {
 
         val column = "_data"