Unprefer external storage for OS below Android 11

nain-F49FF806 · Dec 25, 2024 · 5885860 · 5885860
1 parent aa88f06
commit 5885860
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Showing 2 changed files with 9 additions and 2 deletions.
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
@@ -14,8 +14,8 @@ android {
     defaultConfig {
         minSdk = rootProject.extra["minSdkVersion"] as Int
         targetSdk = rootProject.extra["targetSdkVersion"] as Int
-        versionCode = 1733570000
-        versionName = "2024.12.07"
+        versionCode = 1735153000
+        versionName = "2024.12.25"
         applicationId = "alt.nainapps.aer"
         vectorDrawables {
             useSupportLibrary = true

diff --git a/app/src/main/java/alt/nainapps/aer/documents/home/HomeEnvironment.kt b/app/src/main/java/alt/nainapps/aer/documents/home/HomeEnvironment.kt
@@ -5,6 +5,7 @@
 package alt.nainapps.aer.documents.home
 
 import android.content.Context
+import android.os.Build
 import android.os.Environment
 import android.preference.PreferenceManager.getDefaultSharedPreferences
 import java.io.File
@@ -39,6 +40,12 @@ class HomeEnvironment private constructor(
     }
 
     private fun getSelectExternalFilesDir(context: Context): File? {
+        // Below Android 11 (API 30) we do not prefer external storage
+        // as privacy of external filedir is guaranteed from Android 11 only.
+        // https://developer.android.com/about/versions/11/privacy/storage#other-app-specific-dirs
+        if (Build.VERSION.SDK_INT < 30) {
+            return null
+        }
         val externalFilesDirs = context.getExternalFilesDirs(null)
         // The first few (in forward order) may be on primary storage,
         // so we traverse in reverse order to find first available externalFilesDir