diff --git a/app/build.gradle b/app/build.gradle
index b9710e3b..2f1075e7 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -5,12 +5,12 @@ apply plugin: 'com.android.application'
 // sdk/build-tools/32.0.0]# ln -s d8 dx
 // sdk/build-tools/32.0.0/lib]# ln -s d8.jar dx.jar
 android {
-    compileSdkVersion 32
-    buildToolsVersion "32.0.0"
+    compileSdkVersion 34
+    buildToolsVersion "34.0.0"
     defaultConfig {
         applicationId "com.mkulesh.micromath.plus"
         minSdkVersion 14
-        targetSdkVersion 32
+        targetSdkVersion 34
         versionCode 324
         versionName "2.23.2"
         setProperty("archivesBaseName", "microMathematics-v" + versionName)
diff --git a/app/src/main/assets/release_notes.mmt b/app/src/main/assets/release_notes.mmt
old mode 100644
new mode 100755
index a1fffb19..9331cbad
--- a/app/src/main/assets/release_notes.mmt
+++ b/app/src/main/assets/release_notes.mmt
@@ -4,6 +4,12 @@
     <text_fragment textStyle="subsection">
       <term key="text" text="Current release:" />
     </text_fragment>
+    <text_fragment numbering="true">
+      <term key="text" text="The app is adapted for Android 14" />
+    </text_fragment>
+    <text_fragment textStyle="subsection">
+      <term key="text" text="Version 2.23.1" />
+    </text_fragment>
     <text_fragment numbering="true">
       <term key="text" text='Added "solve" function to find a&#10;root of an one-dimensional equation:' />
     </text_fragment>
diff --git a/app/src/main/java/com/mkulesh/micromath/MainActivity.java b/app/src/main/java/com/mkulesh/micromath/MainActivity.java
index ed4f7ae3..aa005cd0 100644
--- a/app/src/main/java/com/mkulesh/micromath/MainActivity.java
+++ b/app/src/main/java/com/mkulesh/micromath/MainActivity.java
@@ -24,7 +24,6 @@
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
-import android.os.Environment;
 import android.os.Parcelable;
 import android.view.Menu;
 import android.view.MenuItem;
@@ -677,13 +676,9 @@ public boolean checkStoragePermission(int action)
         }
 
         storagePermissionAction = action;
-        if (CompatUtils.isROrLater() && CompatUtils.manageExternalStorage())
+        if (CompatUtils.isROrLater())
         {
-            if (storagePermissionDialog == null && !Environment.isExternalStorageManager())
-            {
-                showPermissionDialog(action);
-                return false;
-            }
+            return true;
         }
         else if (CompatUtils.isMarshMallowOrLater())
         {
diff --git a/app/src/main/java/com/mkulesh/micromath/fman/AdapterHome.java b/app/src/main/java/com/mkulesh/micromath/fman/AdapterHome.java
index ce362866..e8f0ad90 100644
--- a/app/src/main/java/com/mkulesh/micromath/fman/AdapterHome.java
+++ b/app/src/main/java/com/mkulesh/micromath/fman/AdapterHome.java
@@ -101,7 +101,7 @@ public void readSource(Uri tmp_uri, String pbod)
             items = null;
             ArrayList<Item> ia = new ArrayList<>();
 
-            if (CompatUtils.manageExternalStorage())
+            if (!CompatUtils.isROrLater())
             {
                 ia.add(makeItem(LOCAL, AdapterFileSystem.ORG_SCHEME));
 
diff --git a/app/src/main/java/com/mkulesh/micromath/utils/CompatUtils.java b/app/src/main/java/com/mkulesh/micromath/utils/CompatUtils.java
index 9f2e8402..958519ee 100644
--- a/app/src/main/java/com/mkulesh/micromath/utils/CompatUtils.java
+++ b/app/src/main/java/com/mkulesh/micromath/utils/CompatUtils.java
@@ -19,11 +19,9 @@
 import android.content.Intent;
 import android.graphics.PorterDuff;
 import android.graphics.drawable.Drawable;
-import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Build;
 import android.os.Environment;
-import android.provider.Settings;
 import android.util.TypedValue;
 import android.view.View;
 import android.widget.ImageView;
@@ -48,13 +46,6 @@
 @SuppressLint("NewApi")
 public class CompatUtils
 {
-    public static boolean manageExternalStorage()
-    {
-        // Processing of permission:
-        // <uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE" tools:ignore="ScopedStorage" />
-        return !isROrLater();
-    }
-
     public static boolean isMarshMallowOrLater()
     {
         return Build.VERSION.SDK_INT >= Build.VERSION_CODES.M;
@@ -266,19 +257,9 @@ public static File getStorageFile(final @NonNull Context context, final @NonNull
 
     public static void requestStoragePermission(AppCompatActivity a, int reqId)
     {
-        if (isROrLater() && manageExternalStorage())
+        if (isROrLater())
         {
-            ViewUtils.Debug(a, "requesting storage permissions for Android R");
-            Intent in = new Intent(Settings.ACTION_MANAGE_APP_ALL_FILES_ACCESS_PERMISSION);
-            in.setData(Uri.parse("package:" + a.getApplicationContext().getPackageName()));
-            try
-            {
-                a.startActivity(in);
-            }
-            catch (Exception e)
-            {
-                ViewUtils.Debug(a, "requesting storage permissions failed: " + e.getLocalizedMessage());
-            }
+            // nothing to do
         }
         else if (isMarshMallowOrLater())
         {
diff --git a/app/src/main/res/layout/dialog_base.xml b/app/src/main/res/layout/dialog_base.xml
index f3107b3d..54a27cae 100644
--- a/app/src/main/res/layout/dialog_base.xml
+++ b/app/src/main/res/layout/dialog_base.xml
@@ -75,11 +75,11 @@
                 android:orientation="horizontal" >
 
                 <androidx.appcompat.widget.AppCompatButton
-                    android:id="@+id/dialog_button_ok"
+                    android:id="@+id/dialog_button_cancel"
                     style="@style/DialogTextButtonStyle"
                     android:layout_marginBottom="@dimen/dialog_buttons_margin"
-                    android:drawableLeft="@drawable/ic_action_navigation_accept"
-                    android:text="@string/dialog_navigation_accept" />
+                    android:drawableLeft="@drawable/ic_action_navigation_cancel"
+                    android:text="@string/dialog_navigation_cancel" />
 
                 <View
                     android:id="@+id/dialog_button_devider"
@@ -87,11 +87,12 @@
                     android:layout_marginBottom="@dimen/dialog_buttons_margin" />
 
                 <androidx.appcompat.widget.AppCompatButton
-                    android:id="@+id/dialog_button_cancel"
+                    android:id="@+id/dialog_button_ok"
                     style="@style/DialogTextButtonStyle"
                     android:layout_marginBottom="@dimen/dialog_buttons_margin"
-                    android:drawableLeft="@drawable/ic_action_navigation_cancel"
-                    android:text="@string/dialog_navigation_cancel" />
+                    android:drawableLeft="@drawable/ic_action_navigation_accept"
+                    android:text="@string/dialog_navigation_accept" />
+
             </LinearLayout>
         </LinearLayout>
     </LinearLayout>
diff --git a/autotest/run-emulator.sh b/autotest/run-emulator.sh
index 2ae45eaf..2127d14d 100755
--- a/autotest/run-emulator.sh
+++ b/autotest/run-emulator.sh
@@ -10,6 +10,7 @@ setenv APK_FILE ${2}
 setenv APK_DATA ${3}
 
 setenv APK_FLAG ${4}
+setenv EMU_FLAG ${5}
 
 setenv TOOLS_PATH ${ANDROID_HOME}/tools
 setenv EMU_PORT 5558
@@ -17,27 +18,26 @@ setenv DEVICE_NAME emulator-${EMU_PORT}
 setenv ADB_CMD "adb -s ${DEVICE_NAME}"
 
 echo ================================================================================
-echo Starting ${EMU_NAME} on port ${EMU_PORT}...
+echo Starting ${EMU_NAME} on port ${EMU_PORT} with flag ${EMU_FLAG}...
 echo ================================================================================
 adb kill-server
 adb start-server
-${ANDROID_HOME}/emulator/emulator -avd ${EMU_NAME} -no-boot-anim -port ${EMU_PORT} &
+${ANDROID_HOME}/emulator/emulator ${EMU_FLAG} -no-snapshot -avd ${EMU_NAME} -no-boot-anim -port ${EMU_PORT} &
 
-# waiting until boot_completed
+echo Waiting until boot is completed...
 while ("`${ADB_CMD} wait-for-device shell getprop sys.boot_completed | tr -d '\r' `" != "1")
   sleep 1
 end
-sleep 1
+sleep 10
 
 # actual device
-adb devices
-adb root
+${ADB_CMD} root
 
 echo Uninstalling ${APK_PACK}...
 ${ADB_CMD} uninstall ${APK_PACK}
 ${ADB_CMD} shell pm list packages | grep ${APK_PACK}
 
-echo Installing ${APK_FILE}...
+echo Installing ${APK_FILE} with flag ${APK_FLAG}...
 ${ADB_CMD} install -r ${APK_FLAG} ${APK_FILE}
 ${ADB_CMD} shell pm list packages | grep ${APK_PACK}
 
diff --git a/autotest/run-session.sh b/autotest/run-session.sh
index bdcabaae..b000628b 100755
--- a/autotest/run-session.sh
+++ b/autotest/run-session.sh
@@ -20,9 +20,11 @@ echo APK to be tested: ${1}
 ./run-emulator.sh android_8.1.0 ${1} /sdcard/Android/data -g
 ./run-emulator.sh android_9.0.0 ${1} /sdcard/Android/data -g
 ./run-emulator.sh android_10.0.0 ${1} /sdcard/Android/data -g
-./run-emulator.sh android_11.0.0 ${1} /data/user/0 -g
-./run-emulator.sh android_12.0.0 ${1} /data/user/0 -g
-./run-emulator.sh android_12.1.0 ${1} /data/user/0 -g
+./run-emulator.sh android_11.0.0 ${1} /data/user/0 -g -delay-adb
+./run-emulator.sh android_12.0.0 ${1} /data/user/0 -g -delay-adb
+./run-emulator.sh android_12.1.0 ${1} /data/user/0 -g -delay-adb
+./run-emulator.sh android_13.0.0 ${1} /data/user/0 -g -delay-adb
+./run-emulator.sh android_14.0.0 ${1} /data/user/0 -g -delay-adb
 
 firefox *.html
 
diff --git a/build.gradle b/build.gradle
index 5fb2557b..dae3fd10 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@ buildscript {
     }
     dependencies {
         //noinspection AndroidGradlePluginVersion
-        classpath 'com.android.tools.build:gradle:4.2.0'
+        classpath 'com.android.tools.build:gradle:7.2.2'
     }
 }
 allprojects {
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index be4c4703..ce8bc2f7 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-all.zip