update to target SDK 29, but use requestLegacyExternalStorage for now

app/build.gradle

@@ -9,13 +9,13 @@ if (keystorePropertiesFile.exists()) {
 }
 
 android {
-    compileSdkVersion 28
-    buildToolsVersion "28.0.3"
+    compileSdkVersion 29
+    buildToolsVersion "29.0.2"
 
     defaultConfig {
         applicationId "com.simplemobiletools.filemanager.pro"
         minSdkVersion 21
-        targetSdkVersion 28
+        targetSdkVersion 29
         versionCode 83
         versionName "6.4.2"
         multiDexEnabled true

app/src/main/AndroidManifest.xml

@@ -16,6 +16,7 @@
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_launcher_name"
+        android:requestLegacyExternalStorage="true"
         android:roundIcon="@mipmap/ic_launcher"
         android:theme="@style/AppTheme">