app: set target api to 30 (Android 11)

The following works from API 21 to 30 (included):
* creating a new network configuration
* private key encryption and decryption
* communication between apps and the tinc daemon
* communication between tinc daemon and the internet

3 files changed, 5 insertions, 6 deletions

diff --git a/app/build.gradle b/app/build.gradle
index fa3d8c0..7c428d9 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -35,7 +35,7 @@ android {
   defaultConfig {
     applicationId 'org.pacien.tincapp'
     minSdkVersion 21
-    targetSdkVersion 29
+    targetSdkVersion 30
     multiDexEnabled true
     versionCode 30
     versionName '0.30'
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index bf5c540..c86ec8f 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -32,7 +32,6 @@
         android:allowBackup="false"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
-        android:requestLegacyExternalStorage="true"
         android:supportsRtl="true"
         android:theme="@style/AppTheme"
         tools:ignore="GoogleAppIndexingWarning">
diff --git a/readme.md b/readme.md
index f70c6e3..070023f 100644
--- a/readme.md
+++ b/readme.md
@@ -29,10 +29,10 @@ The project can be built using the Gradle `build` task, on Linux.
 
 Requirements:
 
-- Android Platform Tools 29
-- Android Platform 29
-- Android SDK Tools 29
-- Android NDK 20
+- Android SDK Platform 30
+- Android NDK r21
+- Android Platform-Tools 30
+- Android SDK Tools 26
 - CMake
 - automake
 - autoconf