优化

app/src/main/java/io/legado/app/service/DownloadService.kt

@@ -120,7 +120,7 @@ class DownloadService : BaseService() {
             if (downloadNames[downloadId]?.endsWith(".apk") == true) {
                 installApk(downloadId)
             } else {
-                toastOnUi("${downloadNames[downloadId]} 下载完成")
+                toastOnUi("${downloadNames[downloadId]} ${getString(R.string.download_success)}")
             }
         }
     }
@@ -146,25 +146,28 @@ class DownloadService : BaseService() {
         val query = DownloadManager.Query()
         query.setFilterById(*ids.toLongArray())
         downloadManager.query(query).use { cursor ->
-            if (!cursor.moveToFirst()) return
+            if (cursor.moveToFirst()) {
+                do {
                     val id = cursor.getLong(cursor.getColumnIndex(DownloadManager.COLUMN_ID))
-            val progress: Int = cursor
+                    val progress = cursor
                         .getInt(cursor.getColumnIndex(DownloadManager.COLUMN_BYTES_DOWNLOADED_SO_FAR))
-            val max: Int = cursor
+                    val max = cursor
                         .getInt(cursor.getColumnIndex(DownloadManager.COLUMN_TOTAL_SIZE_BYTES))
                     val status =
                         when (cursor.getInt(cursor.getColumnIndex(DownloadManager.COLUMN_STATUS))) {
-                    DownloadManager.STATUS_PAUSED -> "暂停"
+                            DownloadManager.STATUS_PAUSED -> getString(R.string.pause)
-                    DownloadManager.STATUS_PENDING -> "待下载"
+                            DownloadManager.STATUS_PENDING -> getString(R.string.wait_download)
-                    DownloadManager.STATUS_RUNNING -> "下载中"
+                            DownloadManager.STATUS_RUNNING -> getString(R.string.downloading)
                             DownloadManager.STATUS_SUCCESSFUL -> {
                                 successDownload(id)
-                        "下载完成"
+                                getString(R.string.download_success)
                             }
-                    DownloadManager.STATUS_FAILED -> "下载失败"
+                            DownloadManager.STATUS_FAILED -> getString(R.string.download_error)
-                    else -> "未知状态"
+                            else -> getString(R.string.unknown_state)
                         }
                     upDownloadNotification(id, "${downloadNames[id]} $status", max, progress)
+                } while (cursor.moveToNext())
+            }
         }
     }
 

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

@@ -97,11 +97,11 @@ object DocumentUtils {
 
     fun listFiles(context: Context, uri: Uri): ArrayList<DocItem> {
         val docList = arrayListOf<DocItem>()
-        var c: Cursor? = null
+        var cursor: Cursor? = null
         try {
             val childrenUri = DocumentsContract
                 .buildChildDocumentsUriUsingTree(uri, DocumentsContract.getDocumentId(uri))
-            c = context.contentResolver.query(
+            cursor = context.contentResolver.query(
                 childrenUri, arrayOf(
                     DocumentsContract.Document.COLUMN_DOCUMENT_ID,
                     DocumentsContract.Document.COLUMN_DISPLAY_NAME,
@@ -110,29 +110,30 @@ object DocumentUtils {
                     DocumentsContract.Document.COLUMN_MIME_TYPE
                 ), null, null, DocumentsContract.Document.COLUMN_DISPLAY_NAME
             )
-            c?.let {
+            cursor?.let {
-                val ici = c.getColumnIndex(DocumentsContract.Document.COLUMN_DOCUMENT_ID)
+                val ici = cursor.getColumnIndex(DocumentsContract.Document.COLUMN_DOCUMENT_ID)
-                val nci = c.getColumnIndex(DocumentsContract.Document.COLUMN_DISPLAY_NAME)
+                val nci = cursor.getColumnIndex(DocumentsContract.Document.COLUMN_DISPLAY_NAME)
-                val sci = c.getColumnIndex(DocumentsContract.Document.COLUMN_SIZE)
+                val sci = cursor.getColumnIndex(DocumentsContract.Document.COLUMN_SIZE)
-                val mci = c.getColumnIndex(DocumentsContract.Document.COLUMN_MIME_TYPE)
+                val mci = cursor.getColumnIndex(DocumentsContract.Document.COLUMN_MIME_TYPE)
-                val dci = c.getColumnIndex(DocumentsContract.Document.COLUMN_LAST_MODIFIED)
+                val dci = cursor.getColumnIndex(DocumentsContract.Document.COLUMN_LAST_MODIFIED)
-                if (c.moveToFirst()) {
+                if (cursor.moveToFirst()) {
                     do {
                         val item = DocItem(
-                            name = c.getString(nci),
+                            name = cursor.getString(nci),
-                            attr = c.getString(mci),
+                            attr = cursor.getString(mci),
-                            size = c.getLong(sci),
+                            size = cursor.getLong(sci),
-                            date = Date(c.getLong(dci)),
+                            date = Date(cursor.getLong(dci)),
-                            uri = DocumentsContract.buildDocumentUriUsingTree(uri, c.getString(ici))
+                            uri = DocumentsContract
+                                .buildDocumentUriUsingTree(uri, cursor.getString(ici))
                         )
                         docList.add(item)
-                    } while (c.moveToNext())
+                    } while (cursor.moveToNext())
                 }
             }
         } catch (e: Exception) {
             e.printOnDebug()
         } finally {
-            c?.close()
+            cursor?.close()
         }
         return docList
     }

app/src/main/res/values-es-rES/strings.xml

@@ -882,5 +882,10 @@
     <string name="cover_show_author_summary">封面上显示作者</string>
     <string name="read_aloud_prev_paragraph">朗读上一段</string>
     <string name="read_aloud_next_paragraph">朗读下一段</string>
+    <string name="wait_download">待下载</string>
+    <string name="download_success">下载完成</string>
+    <string name="download_error">下载失败</string>
+    <string name="downloading">下载中</string>
+    <string name="unknown_state">未知状态</string>
 
 </resources>

app/src/main/res/values-ja-rJP/strings.xml

@@ -886,5 +886,10 @@
     <string name="cover_show_author_summary">封面上显示作者</string>
     <string name="read_aloud_prev_paragraph">朗读上一段</string>
     <string name="read_aloud_next_paragraph">朗读下一段</string>
+    <string name="wait_download">待下载</string>
+    <string name="download_success">下载完成</string>
+    <string name="download_error">下载失败</string>
+    <string name="downloading">下载中</string>
+    <string name="unknown_state">未知状态</string>
 
 </resources>

app/src/main/res/values-pt-rBR/strings.xml

@@ -886,5 +886,10 @@
     <string name="cover_show_author_summary">封面上显示作者</string>
     <string name="read_aloud_prev_paragraph">朗读上一段</string>
     <string name="read_aloud_next_paragraph">朗读下一段</string>
+    <string name="wait_download">待下载</string>
+    <string name="download_success">下载完成</string>
+    <string name="download_error">下载失败</string>
+    <string name="downloading">下载中</string>
+    <string name="unknown_state">未知状态</string>
 
 </resources>

app/src/main/res/values-zh-rHK/strings.xml

@@ -883,5 +883,10 @@
     <string name="cover_show_author_summary">封面上显示作者</string>
     <string name="read_aloud_prev_paragraph">朗读上一段</string>
     <string name="read_aloud_next_paragraph">朗读下一段</string>
+    <string name="wait_download">待下载</string>
+    <string name="download_success">下载完成</string>
+    <string name="download_error">下载失败</string>
+    <string name="downloading">下载中</string>
+    <string name="unknown_state">未知状态</string>
 
 </resources>

app/src/main/res/values-zh-rTW/strings.xml

@@ -885,5 +885,10 @@
     <string name="cover_show_author_summary">封面上显示作者</string>
     <string name="read_aloud_prev_paragraph">朗读上一段</string>
     <string name="read_aloud_next_paragraph">朗读下一段</string>
+    <string name="wait_download">待下载</string>
+    <string name="download_success">下载完成</string>
+    <string name="download_error">下载失败</string>
+    <string name="downloading">下载中</string>
+    <string name="unknown_state">未知状态</string>
 
 </resources>

app/src/main/res/values-zh/strings.xml

@@ -885,5 +885,10 @@
     <string name="cover_show_author_summary">封面上显示作者</string>
     <string name="read_aloud_prev_paragraph">朗读上一段</string>
     <string name="read_aloud_next_paragraph">朗读下一段</string>
+    <string name="wait_download">待下载</string>
+    <string name="download_success">下载完成</string>
+    <string name="download_error">下载失败</string>
+    <string name="downloading">下载中</string>
+    <string name="unknown_state">未知状态</string>
 
 </resources>

app/src/main/res/values/strings.xml

@@ -886,5 +886,10 @@
     <string name="cover_show_author_summary">封面上显示作者</string>
     <string name="read_aloud_prev_paragraph">朗读上一段</string>
     <string name="read_aloud_next_paragraph">朗读下一段</string>
+    <string name="wait_download">待下载</string>
+    <string name="download_success">下载完成</string>
+    <string name="download_error">下载失败</string>
+    <string name="downloading">下载中</string>
+    <string name="unknown_state">未知状态</string>
 
 </resources>