diff --git a/.travis.yml b/.travis.yml
index e020b62..851bbab 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,22 +2,15 @@ language: android
 jdk: oraclejdk8
 android:
   components:
-  - build-tools-25.0.2
-  - android-25
-  - extra-google-google_play_services
-  - extra-google-m2repository
-  - extra-android-m2repository
-install:
-- echo y | android update sdk -u -a -t tools
-- echo y | android update sdk -u -a -t platform-tools
-- echo y | android update sdk -u -a -t build-tools-25.0.2
-- echo y | android update sdk -u -a -t android-25
-- echo y | android update sdk -u -a -t extra-google-m2repository
-- echo y | android update sdk -u -a -t extra-android-m2repository
+    - tools
+    - platform-tools
+    - extra-google-google_play_services
+    - extra-google-m2repository
+    - extra-android-m2repository
 before_install:
-- mkdir "$ANDROID_HOME/licenses" || true
-- echo -e "\n8933bad161af4178b1185d1a37fbf41ea5269c55" > "$ANDROID_HOME/licenses/android-sdk-license"
-- echo -e "\n84831b9409646a918e30573bab4c9c91346d8abd" > "$ANDROID_HOME/licenses/android-sdk-preview-license"
+  - touch $HOME/.android/repositories.cfg
+  - yes | sdkmanager "platforms;android-29"
+  - yes | sdkmanager "build-tools;29.0.0"
 script:
 - "./gradlew build"
 before_cache:
@@ -36,4 +29,4 @@ deploy:
   provider: script
   script: "./gradlew bintrayUpload"
   on:
-    tags: true
\ No newline at end of file
+    tags: true
diff --git a/a3utilities/build.gradle b/a3utilities/build.gradle
index ba4d9a2..f1e48ff 100644
--- a/a3utilities/build.gradle
+++ b/a3utilities/build.gradle
@@ -6,14 +6,13 @@ group = 'at.allaboutapps.a3utilities'
 version = '1.0.3'
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion "25.0.2"
+    compileSdkVersion 30
 
     archivesBaseName = 'a3utilities'
 
     defaultConfig {
         minSdkVersion 16
-        targetSdkVersion 25
+        targetSdkVersion 30
     }
 }
 
@@ -63,5 +62,5 @@ artifacts {
 }
 
 dependencies {
-    compile "com.android.support:recyclerview-v7:$supportLibVersion"
-}
\ No newline at end of file
+    implementation 'androidx.recyclerview:recyclerview:1.1.0'
+}
diff --git a/a3utilities/src/main/java/at/allaboutapps/a3utilities/A3Assets.java b/a3utilities/src/main/java/at/allaboutapps/a3utilities/A3Assets.java
index fb0e4b0..d88e488 100755
--- a/a3utilities/src/main/java/at/allaboutapps/a3utilities/A3Assets.java
+++ b/a3utilities/src/main/java/at/allaboutapps/a3utilities/A3Assets.java
@@ -2,10 +2,10 @@
 
 import android.content.Context;
 import android.graphics.BitmapFactory;
-import android.support.annotation.IntRange;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
 import android.util.Log;
+import androidx.annotation.IntRange;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 
 import java.io.IOException;
 import java.io.InputStream;
diff --git a/a3utilities/src/main/java/at/allaboutapps/a3utilities/A3Device.java b/a3utilities/src/main/java/at/allaboutapps/a3utilities/A3Device.java
index 8b1b2e7..27a8baa 100755
--- a/a3utilities/src/main/java/at/allaboutapps/a3utilities/A3Device.java
+++ b/a3utilities/src/main/java/at/allaboutapps/a3utilities/A3Device.java
@@ -4,10 +4,11 @@
 import android.graphics.Point;
 import android.net.ConnectivityManager;
 import android.os.Build;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
 import android.util.TypedValue;
 import android.view.WindowManager;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.annotation.RequiresPermission;
 
 /** Utilities for version checks and pixel sizes. */
 public class A3Device {
@@ -70,6 +71,7 @@ public static boolean isApiLevelSupported(int apiLevel) {
    * @param ctx the application context
    * @return the current network state, true if online, false if ctx == null or otherwise.
    */
+  @RequiresPermission(android.Manifest.permission.ACCESS_NETWORK_STATE)
   public static boolean isOnline(@Nullable Context ctx) {
 
     if (ctx == null) {
diff --git a/a3utilities/src/main/java/at/allaboutapps/a3utilities/A3Intent.java b/a3utilities/src/main/java/at/allaboutapps/a3utilities/A3Intent.java
index 31f4c0e..6933c4a 100644
--- a/a3utilities/src/main/java/at/allaboutapps/a3utilities/A3Intent.java
+++ b/a3utilities/src/main/java/at/allaboutapps/a3utilities/A3Intent.java
@@ -4,10 +4,10 @@
 import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
-import android.support.annotation.RequiresPermission;
 import android.text.TextUtils;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.annotation.RequiresPermission;
 
 /**
  * This class provides some methods to create standard intents for email, phone, web and methods to
diff --git a/a3utilities/src/main/java/at/allaboutapps/a3utilities/A3SoftInput.java b/a3utilities/src/main/java/at/allaboutapps/a3utilities/A3SoftInput.java
index e6701d7..21e0aeb 100755
--- a/a3utilities/src/main/java/at/allaboutapps/a3utilities/A3SoftInput.java
+++ b/a3utilities/src/main/java/at/allaboutapps/a3utilities/A3SoftInput.java
@@ -2,9 +2,9 @@
 
 import android.app.Activity;
 import android.content.Context;
-import android.support.annotation.NonNull;
 import android.view.View;
 import android.view.inputmethod.InputMethodManager;
+import androidx.annotation.NonNull;
 
 /** Show or hide the keyboard. */
 public class A3SoftInput {
diff --git a/a3utilitiesproject/build.gradle b/a3utilitiesproject/build.gradle
index a10778c..4cd09b1 100644
--- a/a3utilitiesproject/build.gradle
+++ b/a3utilitiesproject/build.gradle
@@ -1,15 +1,14 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion "25.0.2"
+    compileSdkVersion 30
     defaultConfig {
         applicationId "at.allaboutapps.a3utilitiesproject"
         minSdkVersion 19
-        targetSdkVersion 25
+        targetSdkVersion 30
         versionCode 1
         versionName "1.0"
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner 'androidx.test.runner.AndroidJUnitRunner'
     }
     buildTypes {
         release {
@@ -20,13 +19,12 @@ android {
 }
 
 dependencies {
-    compile fileTree(include: ['*.jar'], dir: 'libs')
-    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
+    androidTestImplementation('androidx.test.espresso:espresso-core:3.1.0', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
-    compile project(':a3utilities')
-    compile 'com.android.support:appcompat-v7:25.3.1'
-    compile 'com.android.support.constraint:constraint-layout:1.0.2'
-    compile 'com.android.support:design:25.3.1'
-    testCompile 'junit:junit:4.12'
+    implementation project(':a3utilities')
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    implementation 'com.google.android.material:material:1.2.0'
+    testImplementation 'junit:junit:4.13'
 }
diff --git a/a3utilitiesproject/src/main/java/at/allaboutapps/a3utilitiesproject/ExampleActivity.java b/a3utilitiesproject/src/main/java/at/allaboutapps/a3utilitiesproject/ExampleActivity.java
index 1617683..1d8beda 100644
--- a/a3utilitiesproject/src/main/java/at/allaboutapps/a3utilitiesproject/ExampleActivity.java
+++ b/a3utilitiesproject/src/main/java/at/allaboutapps/a3utilitiesproject/ExampleActivity.java
@@ -1,8 +1,8 @@
 package at.allaboutapps.a3utilitiesproject;
 
 import android.os.Bundle;
-import android.support.v7.app.AppCompatActivity;
 
+import androidx.appcompat.app.AppCompatActivity;
 import at.allaboutapps.a3utilities.A3Device;
 import at.allaboutapps.a3utilitiesproject.vh.ExampleActivityViewHolder;
 
diff --git a/a3utilitiesproject/src/main/res/layout/activity_example.xml b/a3utilitiesproject/src/main/res/layout/activity_example.xml
index c538da6..d5383b8 100644
--- a/a3utilitiesproject/src/main/res/layout/activity_example.xml
+++ b/a3utilitiesproject/src/main/res/layout/activity_example.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.design.widget.CoordinatorLayout
+<androidx.coordinatorlayout.widget.CoordinatorLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
@@ -10,4 +10,4 @@
     <include layout="@layout/content_example"/>
 
 
-</android.support.design.widget.CoordinatorLayout>
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/build.gradle b/build.gradle
index e5225cd..3f33e9a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,10 +3,11 @@
 buildscript {
     repositories {
         jcenter()
+        google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.1'
-        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.2'
+        classpath 'com.android.tools.build:gradle:4.0.1'
+        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.1'
         classpath 'com.github.dcendents:android-maven-gradle-plugin:1.4.1'
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -16,13 +17,10 @@ buildscript {
 allprojects {
     repositories {
         jcenter()
+        google()
     }
 }
 
-ext {
-    supportLibVersion = "25.3.1"
-}
-
 task clean(type: Delete) {
     delete rootProject.buildDir
 }
diff --git a/gradle.properties b/gradle.properties
index aac7c9b..5abb0d3 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -9,6 +9,7 @@
 
 # Specifies the JVM arguments used for the daemon process.
 # The setting is particularly useful for tweaking memory settings.
+android.useAndroidX=true
 org.gradle.jvmargs=-Xmx1536m
 
 # When configured, Gradle will run in incubating parallel mode.
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 13372ae..e708b1c 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index c0eac89..bca17f3 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Fri Apr 21 13:51:20 CEST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.6-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
diff --git a/gradlew b/gradlew
index 9d82f78..4f906e0 100755
--- a/gradlew
+++ b/gradlew
@@ -1,4 +1,20 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 
 ##############################################################################
 ##
@@ -6,20 +22,38 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
 
 APP_NAME="Gradle"
 APP_BASE_NAME=`basename "$0"`
 
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD="maximum"
 
-warn ( ) {
+warn () {
     echo "$*"
 }
 
-die ( ) {
+die () {
     echo
     echo "$*"
     echo
@@ -30,6 +64,7 @@ die ( ) {
 cygwin=false
 msys=false
 darwin=false
+nonstop=false
 case "`uname`" in
   CYGWIN* )
     cygwin=true
@@ -40,28 +75,14 @@ case "`uname`" in
   MINGW* )
     msys=true
     ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
 esac
 
-# Attempt to set APP_HOME
-# Resolve links: $0 may be a link
-PRG="$0"
-# Need this for relative symlinks.
-while [ -h "$PRG" ] ; do
-    ls=`ls -ld "$PRG"`
-    link=`expr "$ls" : '.*-> \(.*\)$'`
-    if expr "$link" : '/.*' > /dev/null; then
-        PRG="$link"
-    else
-        PRG=`dirname "$PRG"`"/$link"
-    fi
-done
-SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >/dev/null
-APP_HOME="`pwd -P`"
-cd "$SAVED" >/dev/null
-
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
+
 # Determine the Java command to use to start the JVM.
 if [ -n "$JAVA_HOME" ] ; then
     if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
@@ -85,7 +106,7 @@ location of your Java installation."
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -105,10 +126,11 @@ if $darwin; then
     GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
 fi
 
-# For Cygwin, switch paths to Windows format before running java
-if $cygwin ; then
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
     JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
@@ -134,27 +156,30 @@ if $cygwin ; then
         else
             eval `echo args$i`="\"$arg\""
         fi
-        i=$((i+1))
+        i=`expr $i + 1`
     done
     case $i in
-        (0) set -- ;;
-        (1) set -- "$args0" ;;
-        (2) set -- "$args0" "$args1" ;;
-        (3) set -- "$args0" "$args1" "$args2" ;;
-        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
-        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
-        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
-        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
-        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
-        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
index aec9973..ac1b06f 100644
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -1,3 +1,19 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
 @if "%DEBUG%" == "" @echo off
 @rem ##########################################################################
 @rem
@@ -8,20 +24,23 @@
 @rem Set local scope for the variables with windows NT shell
 if "%OS%"=="Windows_NT" setlocal
 
-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-set DEFAULT_JVM_OPTS=
-
 set DIRNAME=%~dp0
 if "%DIRNAME%" == "" set DIRNAME=.
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
 @rem Find java.exe
 if defined JAVA_HOME goto findJavaFromJavaHome
 
 set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto init
+if "%ERRORLEVEL%" == "0" goto execute
 
 echo.
 echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
@@ -35,7 +54,7 @@ goto fail
 set JAVA_HOME=%JAVA_HOME:"=%
 set JAVA_EXE=%JAVA_HOME%/bin/java.exe
 
-if exist "%JAVA_EXE%" goto init
+if exist "%JAVA_EXE%" goto execute
 
 echo.
 echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
@@ -45,34 +64,14 @@ echo location of your Java installation.
 
 goto fail
 
-:init
-@rem Get command-line arguments, handling Windowz variants
-
-if not "%OS%" == "Windows_NT" goto win9xME_args
-if "%@eval[2+2]" == "4" goto 4NT_args
-
-:win9xME_args
-@rem Slurp the command line arguments.
-set CMD_LINE_ARGS=
-set _SKIP=2
-
-:win9xME_args_slurp
-if "x%~1" == "x" goto execute
-
-set CMD_LINE_ARGS=%*
-goto execute
-
-:4NT_args
-@rem Get arguments from the 4NT Shell from JP Software
-set CMD_LINE_ARGS=%$
-
 :execute
 @rem Setup the command line
 
 set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
+
 @rem Execute Gradle
-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
 
 :end
 @rem End local scope for the variables with windows NT shell