storage improvement for android 29 and above.

android/app/src/main/AndroidManifest.xml

@@ -7,7 +7,9 @@
          additional functionality it is fine to subclass or reimplement
          FlutterApplication and put your custom class here. -->
     <uses-permission android:name="android.permission.INTERNET" />
-    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission
+        android:name="android.permission.WRITE_EXTERNAL_STORAGE"
+        android:maxSdkVersion="29" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.ACCESS_MEDIA_LOCATION" />
 

lib/classes/utils.dart

@@ -186,4 +186,48 @@ class Utils {
     await file.copy(storagePath);
     Utils.showToast("تم التنزيل");
   }
+
+  static void downloadFileAboveAndroid32(String url, String path, {Function(List<int> bytes) onResponse}) {
+    print("url:$url");
+    print("path:$path");
+    var httpClient = http.Client();
+    var request = http.Request('GET', Uri.parse(url));
+    var response = httpClient.send(request);
+    String dir = path;
+
+    List<List<int>> chunks = [];
+    int downloaded = 0;
+    int lastVal;
+
+    response.asStream().listen((http.StreamedResponse r) {
+      r.stream.listen((List<int> chunk) {
+        debugPrint('downloadPercentage: ${downloaded / r.contentLength * 100}');
+        lastVal = (downloaded / r.contentLength * 100).toInt();
+
+        chunks.add(chunk);
+        downloaded += chunk.length;
+      }, onDone: () async {
+        debugPrint('downloadPercentage: ${downloaded / r.contentLength * 100}');
+        if (lastVal == 0) {
+          onResponse([]);
+          return;
+        }
+        final Uint8List bytes = Uint8List(r.contentLength);
+        int offset = 0;
+        for (List<int> chunk in chunks) {
+          bytes.setRange(offset, offset + chunk.length, chunk);
+          offset += chunk.length;
+        }
+        onResponse(bytes);
+        return;
+      }, onError: (ex) {
+        debugPrint("onError:$ex");
+        onResponse([]);
+      }, cancelOnError: true);
+    }).onError((ex) {
+      debugPrint("onError:$ex");
+      onResponse([]);
+    });
+  }
+
 }

lib/ui/screens/pdf_viewer_screen.dart

@@ -2,11 +2,13 @@ import 'dart:async';
 import 'dart:io';
 import 'dart:ui';
 
+import 'package:device_info_plus/device_info_plus.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_svg/flutter_svg.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:permission_handler/permission_handler.dart';
+import 'package:shared_storage/shared_storage.dart';
 import 'package:syncfusion_flutter_pdfviewer/pdfviewer.dart';
 import 'package:tangheem/api/tangheem_user_api_client.dart';
 import 'package:tangheem/app_state/app_state.dart';
@@ -121,11 +123,15 @@ class _PdfListScreenState extends State<PdfListScreen> {
                                   width: 44,
                                   height: 50,
                                 ).onPress(() async {
+                                  if (Platform.isAndroid && (await DeviceInfoPlugin().androidInfo).version.sdkInt > 29) {
+                                    savePdfToAboveAndroid32(contentList[index].exposeFilePath, contentList[index].fileName);
+                                  } else {
                                     if (await _requestStoragePermission()) {
                                       startFileDownload(contentList[index].exposeFilePath, contentList[index].fileName);
                                     } else {
                                       Utils.showToast("يجب أن تعطي الإذن للتنزيل.");
                                     }
+                                  }
                                 }),
                                 7.width,
                                 ClipRRect(
@@ -181,6 +187,51 @@ class _PdfListScreenState extends State<PdfListScreen> {
       ),
     );
   }
+
+  void savePdfToAboveAndroid32(String pathUrl, String fileName) async {
+    List<UriPermission> _persistedPermissionUris = await persistedUriPermissions();
+    if (_persistedPermissionUris.isNotEmpty) {
+      UriPermission permissionUri = _persistedPermissionUris.first;
+      startFileDownloadAboveAndroid32(pathUrl, fileName, permissionUri.uri);
+    } else {
+       Uri selectedDocumentUris = await openDocumentTree();
+      if (selectedDocumentUris == null) return;
+      savePdfToAboveAndroid32(pathUrl, fileName);
+    }
+  }
+
+  void startFileDownloadAboveAndroid32(String url, String fileName, Uri persistentUri) async {
+    try {
+      Utils.showLoading(context);
+      //String path = await Utils.getStoragePath(fileName);
+      Utils.downloadFileAboveAndroid32(ApiConsts.baseUrl + url, "path", onResponse: (bytes) async {
+        Utils.hideLoading(context);
+        if (bytes.isNotEmpty) {
+          final documentFile = await persistentUri.toDocumentFile();
+          final child = await documentFile?.child(fileName);
+          if (child == null) {
+            documentFile?.createFileAsBytes(
+              mimeType: 'application/pdf ',
+              bytes: bytes,
+              displayName: fileName,
+            );
+          } else {
+            documentFile?.writeToFileAsBytes(
+              bytes: bytes,
+              mode: FileMode.write,
+            );
+          }
+
+          Utils.showToast("تم حفظ الملف بنجاح");
+        } else {
+          Utils.showToast("فشل حفظ الملف ، حاول مرة أخرى");
+        }
+      });
+    } catch (ex) {
+      print(ex);
+      Utils.hideLoading(context);
+    }
+  }
 }
 
 class PdfViewerScreen extends StatelessWidget {

lib/widgets/aya_player_widget.dart

@@ -4,6 +4,7 @@ import 'dart:io';
 import 'dart:math' as math;
 import 'dart:typed_data';
 
+import 'package:device_info_plus/device_info_plus.dart';
 import 'package:dotted_border/dotted_border.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
@@ -12,6 +13,7 @@ import 'package:http/http.dart' as http;
 import 'package:just_audio/just_audio.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:permission_handler/permission_handler.dart';
+import 'package:shared_storage/shared_storage.dart' as saf;
 import 'package:tangheem/classes/colors.dart';
 import 'package:tangheem/classes/consts.dart';
 import 'package:tangheem/classes/utils.dart';
@@ -185,7 +187,11 @@ class _AyaPlayerWidgetState extends State<AyaPlayerWidget> {
                   ),
                 if (widget.voiceNoteList?.isNotEmpty ?? false)
                   commonIconButton("assets/icons/download_aya.svg", () async {
-                    if (await _requestPermission()) {
+                    if (Platform.isAndroid && (await DeviceInfoPlugin().androidInfo).version.sdkInt > 29) {
+                      String filePath = widget.voiceNoteList[_player.currentIndex].exposeFilePath;
+                      saveAudioToAboveAndroid32(filePath, "Tangheem-${widget.voiceNoteList[_player.currentIndex].userName ?? ""}-${widget.voiceNoteList[_player.currentIndex].fileName}",
+                          widget.voiceNoteList[_player.currentIndex].fileType);
+                    } else if (await _requestPermission()) {
                       saveToPhoneStorage(widget.voiceNoteList[_player.currentIndex].exposeFilePath, widget.voiceNoteList[_player.currentIndex].userName ?? "");
                     } else {
                       Utils.showToast("يجب اعطاء الاذن لتنزيل الآية");
@@ -393,4 +399,49 @@ class _AyaPlayerWidgetState extends State<AyaPlayerWidget> {
       onResponse(false);
     });
   }
+
+  void saveAudioToAboveAndroid32(String pathUrl, String fileName, String fileType) async {
+    List<saf.UriPermission> _persistedPermissionUris = await saf.persistedUriPermissions();
+    if (_persistedPermissionUris.isNotEmpty) {
+      saf.UriPermission permissionUri = _persistedPermissionUris.first;
+      startFileDownloadAboveAndroid32(pathUrl, fileName, permissionUri.uri, fileType);
+    } else {
+      Uri selectedDocumentUris = await saf.openDocumentTree();
+      if (selectedDocumentUris == null) return;
+      saveAudioToAboveAndroid32(pathUrl, fileName, fileType);
+    }
+  }
+
+  void startFileDownloadAboveAndroid32(String url, String fileName, Uri persistentUri, String fileType) async {
+    try {
+      Utils.showLoading(context);
+      //String path = await Utils.getStoragePath(fileName);
+      Utils.downloadFileAboveAndroid32(ApiConsts.baseUrl + url, "path", onResponse: (bytes) async {
+        Utils.hideLoading(context);
+        if (bytes.isNotEmpty) {
+          final documentFile = await persistentUri.toDocumentFile();
+          final child = await documentFile?.child(fileName);
+          if (child == null) {
+            documentFile?.createFileAsBytes(
+              mimeType: fileType,
+              bytes: bytes,
+              displayName: fileName,
+            );
+          } else {
+            documentFile?.writeToFileAsBytes(
+              bytes: bytes,
+              mode: FileMode.write,
+            );
+          }
+
+          Utils.showToast("تم حفظ الملف بنجاح");
+        } else {
+          Utils.showToast("فشل حفظ الملف ، حاول مرة أخرى");
+        }
+      });
+    } catch (ex) {
+      print(ex);
+      Utils.hideLoading(context);
+    }
+  }
 }

lib/widgets/aya_record_widget.dart

@@ -1,5 +1,6 @@
 import 'dart:io';
 
+import 'package:device_info_plus/device_info_plus.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_svg/svg.dart';
 import 'package:just_audio/just_audio.dart';
@@ -7,9 +8,11 @@ import 'package:path_provider/path_provider.dart';
 import 'package:permission_handler/permission_handler.dart';
 import 'package:record_mp3/record_mp3.dart';
 import 'package:tangheem/classes/colors.dart';
+import 'package:tangheem/classes/consts.dart';
 import 'package:tangheem/classes/utils.dart';
 import 'package:tangheem/extensions/string_extensions.dart';
 import 'package:tangheem/extensions/widget_extensions.dart';
+import 'package:shared_storage/shared_storage.dart' as saf;
 
 class AyaRecordWidget extends StatefulWidget {
   AyaRecordWidget({Key key}) : super(key: key);
@@ -219,7 +222,13 @@ class _AyaRecordWidgetState extends State<AyaRecordWidget> {
                   InkWell(
                     borderRadius: BorderRadius.circular(20),
                     onTap: () async {
-                      if (await _requestStoragePermission()) {
+                      if (Platform.isAndroid && (await DeviceInfoPlugin().androidInfo).version.sdkInt > 29) {
+                        if (recordFilePath != null && File(recordFilePath).existsSync()) {
+                          saveAudioToAboveAndroid32(recordFilePath, "Tangheem${DateTime.now().millisecondsSinceEpoch}.mp3", "audio/mpeg");
+                        } else {
+                          Utils.showToast("يجب عليك تسجيل صوتك أولا");
+                        }
+                      } else if (await _requestStoragePermission()) {
                         if (recordFilePath != null && File(recordFilePath).existsSync()) {
                           saveToPhoneStorage(recordFilePath);
                         } else {
@@ -321,4 +330,41 @@ class _AyaRecordWidgetState extends State<AyaRecordWidget> {
     await file.copy(storagePath);
     Utils.showToast("تم التنزيل");
   }
+
+  void saveAudioToAboveAndroid32(String pathUrl, String fileName, String fileType) async {
+    List<saf.UriPermission> _persistedPermissionUris = await saf.persistedUriPermissions();
+    if (_persistedPermissionUris.isNotEmpty) {
+      saf.UriPermission permissionUri = _persistedPermissionUris.first;
+      startFileAboveAndroid32(pathUrl, fileName, permissionUri.uri, fileType);
+    } else {
+      Uri selectedDocumentUris = await saf.openDocumentTree();
+      if (selectedDocumentUris == null) return;
+      saveAudioToAboveAndroid32(pathUrl, fileName, fileType);
+    }
+  }
+
+  void startFileAboveAndroid32(String filePath, String fileName, Uri persistentUri, String fileType) async {
+    try {
+      File file = File(filePath);
+      final documentFile = await persistentUri.toDocumentFile();
+      final child = await documentFile?.child(fileName);
+      if (child == null) {
+        documentFile?.createFileAsBytes(
+          mimeType: fileType,
+          bytes: file.readAsBytesSync(),
+          displayName: fileName,
+        );
+      } else {
+        documentFile?.writeToFileAsBytes(
+          bytes: file.readAsBytesSync(),
+          mode: FileMode.write,
+        );
+      }
+
+      Utils.showToast("تم حفظ الملف بنجاح");
+    } catch (ex) {
+      print(ex);
+      Utils.hideLoading(context);
+    }
+  }
 }

pubspec.yaml

@@ -54,6 +54,9 @@ dependencies:
   flutter_html: ^2.2.1
   flutter_inappwebview: ^5.7.2+3
   dotted_border: ^2.0.0+1
+  device_info_plus: ^6.0.0
+  shared_storage: ^0.7.1
+
 dev_dependencies:
   flutter_test:
     sdk: flutter