diff --git a/ui/kotlinx-coroutines-android/example-app/app/build.gradle b/ui/kotlinx-coroutines-android/example-app/app/build.gradle
deleted file mode 100644
index 3f013247d7..0000000000
--- a/ui/kotlinx-coroutines-android/example-app/app/build.gradle
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright 2016-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
- */
-
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply plugin: 'kotlin-android-extensions'
-
-android {
-    compileSdkVersion 29
-    defaultConfig {
-        applicationId "com.example.app"
-        minSdkVersion 14
-        targetSdkVersion 29
-        versionCode 1
-        versionName "1.0"
-        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
-    }
-}
-
-dependencies {
-    implementation 'androidx.appcompat:appcompat:1.0.2'
-    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
-    implementation 'com.google.android.material:material:1.0.0'
-
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines_version"
-
-    testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'androidx.test:runner:1.2.0'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
-}
diff --git a/ui/kotlinx-coroutines-android/example-app/app/build.gradle.kts b/ui/kotlinx-coroutines-android/example-app/app/build.gradle.kts
new file mode 100644
index 0000000000..39bba5bf30
--- /dev/null
+++ b/ui/kotlinx-coroutines-android/example-app/app/build.gradle.kts
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2016-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+plugins {
+    id("com.android.application")
+    kotlin("android")
+    kotlin("android.extensions")
+}
+
+android {
+    compileSdkVersion = "29"
+    defaultConfig {
+        applicationId = "com.example.app"
+        minSdkVersion(14)
+        targetSdkVersion(29)
+        versionCode = 1
+        versionName = "1.0"
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
+}
+
+dependencies {
+    implementation("androidx.appcompat:appcompat:1.0.2")
+    implementation("androidx.constraintlayout:constraintlayout:1.1.3")
+    implementation("com.google.android.material:material:1.0.0")
+
+    implementation(kotlin("stdlib-jdk7"))
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:${property("coroutines_version")}")
+
+    testImplementation("junit:junit:4.12")
+    androidTestImplementation("androidx.test:runner:1.2.0")
+    androidTestImplementation("androidx.test.espresso:espresso-core:3.2.0")
+}
diff --git a/ui/kotlinx-coroutines-android/example-app/build.gradle b/ui/kotlinx-coroutines-android/example-app/build.gradle.kts
similarity index 72%
rename from ui/kotlinx-coroutines-android/example-app/build.gradle
rename to ui/kotlinx-coroutines-android/example-app/build.gradle.kts
index d98ab8cfe7..9cd0c592df 100644
--- a/ui/kotlinx-coroutines-android/example-app/build.gradle
+++ b/ui/kotlinx-coroutines-android/example-app/build.gradle.kts
@@ -10,8 +10,8 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.0'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        classpath("com.android.tools.build:gradle:3.5.0")
+        classpath(kotlin("gradle-plugin", property("kotlin_version") as String))
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -25,6 +25,6 @@ allprojects {
     }
 }
 
-task clean(type: Delete) {
-    delete rootProject.buildDir
+task<Delete>("clean") {
+    delete(rootProject.buildDir)
 }
diff --git a/ui/kotlinx-coroutines-android/example-app/gradle/wrapper/gradle-wrapper.jar b/ui/kotlinx-coroutines-android/example-app/gradle/wrapper/gradle-wrapper.jar
index e69de29bb2..490fda8577 100644
Binary files a/ui/kotlinx-coroutines-android/example-app/gradle/wrapper/gradle-wrapper.jar and b/ui/kotlinx-coroutines-android/example-app/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/ui/kotlinx-coroutines-android/example-app/gradle/wrapper/gradle-wrapper.properties b/ui/kotlinx-coroutines-android/example-app/gradle/wrapper/gradle-wrapper.properties
index dfd98a959a..dbe85eef28 100644
--- a/ui/kotlinx-coroutines-android/example-app/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/kotlinx-coroutines-android/example-app/gradle/wrapper/gradle-wrapper.properties
@@ -1,9 +1,5 @@
-#
-# Copyright 2016-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
-#
-
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.1-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip
diff --git a/ui/kotlinx-coroutines-android/example-app/gradlew b/ui/kotlinx-coroutines-android/example-app/gradlew
old mode 100644
new mode 100755
index 9d82f78915..2fe81a7d95
--- a/ui/kotlinx-coroutines-android/example-app/gradlew
+++ b/ui/kotlinx-coroutines-android/example-app/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
@@ -40,26 +75,11 @@ 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.
@@ -85,7 +105,7 @@ 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
@@ -105,8 +125,8 @@ 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"`
@@ -134,27 +154,30 @@ 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/ui/kotlinx-coroutines-android/example-app/gradlew.bat b/ui/kotlinx-coroutines-android/example-app/gradlew.bat
index 8a0b282aa6..62bd9b9cce 100644
--- a/ui/kotlinx-coroutines-android/example-app/gradlew.bat
+++ b/ui/kotlinx-coroutines-android/example-app/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
@@ -8,14 +24,17 @@
 @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
 
@@ -46,10 +65,9 @@ echo location of your Java installation.
 goto fail
 
 :init
-@rem Get command-line arguments, handling Windowz variants
+@rem Get command-line arguments, handling Windows 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.
@@ -60,11 +78,6 @@ set _SKIP=2
 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
diff --git a/ui/kotlinx-coroutines-android/example-app/settings.gradle b/ui/kotlinx-coroutines-android/example-app/settings.gradle
deleted file mode 100644
index e7b4def49c..0000000000
--- a/ui/kotlinx-coroutines-android/example-app/settings.gradle
+++ /dev/null
@@ -1 +0,0 @@
-include ':app'
diff --git a/ui/kotlinx-coroutines-android/example-app/settings.gradle.kts b/ui/kotlinx-coroutines-android/example-app/settings.gradle.kts
new file mode 100644
index 0000000000..15a801b10a
--- /dev/null
+++ b/ui/kotlinx-coroutines-android/example-app/settings.gradle.kts
@@ -0,0 +1 @@
+include(":app")