diff --git a/Cargo.toml b/Cargo.toml
index 5f15a6a..b565d23 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,6 +7,7 @@ exclude = [
"examples/agdk-mainloop",
"examples/agdk-winit-wgpu",
"examples/agdk-egui",
+ "examples/agdk-oboe",
"examples/na-mainloop",
"examples/na-winit-wgpu",
"examples/na-subclass-jni"
diff --git a/examples/agdk-oboe/.gitignore b/examples/agdk-oboe/.gitignore
new file mode 100644
index 0000000..ebd37e1
--- /dev/null
+++ b/examples/agdk-oboe/.gitignore
@@ -0,0 +1,21 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties
+*.so
+
+# Added by cargo
+
+/target
+Cargo.lock
diff --git a/examples/agdk-oboe/.idea/.gitignore b/examples/agdk-oboe/.idea/.gitignore
new file mode 100644
index 0000000..26d3352
--- /dev/null
+++ b/examples/agdk-oboe/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/examples/agdk-oboe/.idea/compiler.xml b/examples/agdk-oboe/.idea/compiler.xml
new file mode 100644
index 0000000..fb7f4a8
--- /dev/null
+++ b/examples/agdk-oboe/.idea/compiler.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/examples/agdk-oboe/.idea/gradle.xml b/examples/agdk-oboe/.idea/gradle.xml
new file mode 100644
index 0000000..526b4c2
--- /dev/null
+++ b/examples/agdk-oboe/.idea/gradle.xml
@@ -0,0 +1,20 @@
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/examples/agdk-oboe/.idea/misc.xml b/examples/agdk-oboe/.idea/misc.xml
new file mode 100644
index 0000000..2a4d5b5
--- /dev/null
+++ b/examples/agdk-oboe/.idea/misc.xml
@@ -0,0 +1,9 @@
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/examples/agdk-oboe/.idea/vcs.xml b/examples/agdk-oboe/.idea/vcs.xml
new file mode 100644
index 0000000..fdf1fc8
--- /dev/null
+++ b/examples/agdk-oboe/.idea/vcs.xml
@@ -0,0 +1,7 @@
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/examples/agdk-oboe/Cargo.toml b/examples/agdk-oboe/Cargo.toml
new file mode 100644
index 0000000..5a8bcca
--- /dev/null
+++ b/examples/agdk-oboe/Cargo.toml
@@ -0,0 +1,17 @@
+[package]
+name = "agdk-oboe"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+log = "0.4"
+android_logger = "0.11.0"
+android-activity = { path="../../android-activity", features = ["game-activity"] }
+oboe = { version = "0.4", features = ["java-interface"] }
+atomic_float = "0.1"
+
+[lib]
+name="main"
+crate_type=["cdylib"]
\ No newline at end of file
diff --git a/examples/agdk-oboe/README.md b/examples/agdk-oboe/README.md
new file mode 100644
index 0000000..6ffaf78
--- /dev/null
+++ b/examples/agdk-oboe/README.md
@@ -0,0 +1,16 @@
+This is a minimal test application based on `GameActivity` that just
+runs a mainloop based on android_activity::poll_events() and plays a
+sine wave audio test using the Oboe audio library.
+
+```
+export ANDROID_NDK_HOME="path/to/ndk"
+export ANDROID_HOME="path/to/sdk"
+
+rustup target add aarch64-linux-android
+cargo install cargo-ndk
+
+cargo ndk -t arm64-v8a -o app/src/main/jniLibs/ build
+./gradlew build
+./gradlew installDebug
+adb shell am start -n co.realfit.agdkoboe/.MainActivity
+```
diff --git a/examples/agdk-oboe/app/.gitignore b/examples/agdk-oboe/app/.gitignore
new file mode 100644
index 0000000..42afabf
--- /dev/null
+++ b/examples/agdk-oboe/app/.gitignore
@@ -0,0 +1 @@
+/build
\ No newline at end of file
diff --git a/examples/agdk-oboe/app/build.gradle b/examples/agdk-oboe/app/build.gradle
new file mode 100644
index 0000000..dc477ea
--- /dev/null
+++ b/examples/agdk-oboe/app/build.gradle
@@ -0,0 +1,61 @@
+plugins {
+ id 'com.android.application'
+}
+
+android {
+ compileSdk 31
+
+ defaultConfig {
+ applicationId "co.realfit.agdkoboe"
+ minSdk 28
+ targetSdk 31
+ versionCode 1
+ versionName "1.0"
+
+ testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+ }
+
+ buildTypes {
+ release {
+ minifyEnabled false
+ proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+ }
+ debug {
+ minifyEnabled false
+ //packagingOptions {
+ // doNotStrip '**/*.so'
+ //}
+ //debuggable true
+ }
+ }
+ compileOptions {
+ sourceCompatibility JavaVersion.VERSION_1_8
+ targetCompatibility JavaVersion.VERSION_1_8
+ }
+}
+
+dependencies {
+
+ implementation 'androidx.appcompat:appcompat:1.4.1'
+ implementation 'com.google.android.material:material:1.5.0'
+ implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
+ testImplementation 'junit:junit:4.13.2'
+ androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+ androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+
+ // To use the Android Frame Pacing library
+ //implementation "androidx.games:games-frame-pacing:1.9.1"
+
+ // To use the Android Performance Tuner
+ //implementation "androidx.games:games-performance-tuner:1.5.0"
+
+ // To use the Games Activity library
+ implementation "androidx.games:games-activity:1.1.0"
+
+ // To use the Games Controller Library
+ //implementation "androidx.games:games-controller:1.1.0"
+
+ // To use the Games Text Input Library
+ //implementation "androidx.games:games-text-input:1.1.0"
+}
+
diff --git a/examples/agdk-oboe/app/proguard-rules.pro b/examples/agdk-oboe/app/proguard-rules.pro
new file mode 100644
index 0000000..481bb43
--- /dev/null
+++ b/examples/agdk-oboe/app/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+# http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+# public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
\ No newline at end of file
diff --git a/examples/agdk-oboe/app/src/main/AndroidManifest.xml b/examples/agdk-oboe/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..ca36bd3
--- /dev/null
+++ b/examples/agdk-oboe/app/src/main/AndroidManifest.xml
@@ -0,0 +1,25 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/examples/agdk-oboe/app/src/main/java/co/realfit/agdkoboe/MainActivity.java b/examples/agdk-oboe/app/src/main/java/co/realfit/agdkoboe/MainActivity.java
new file mode 100644
index 0000000..a48a25a
--- /dev/null
+++ b/examples/agdk-oboe/app/src/main/java/co/realfit/agdkoboe/MainActivity.java
@@ -0,0 +1,70 @@
+package co.realfit.agdkoboe;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.view.WindowCompat;
+import androidx.core.view.WindowInsetsCompat;
+import androidx.core.view.WindowInsetsControllerCompat;
+
+import com.google.androidgamesdk.GameActivity;
+
+import android.os.Bundle;
+import android.content.pm.PackageManager;
+import android.os.Build.VERSION;
+import android.os.Build.VERSION_CODES;
+import android.os.Bundle;
+import android.view.View;
+import android.view.WindowManager;
+
+public class MainActivity extends GameActivity {
+
+ static {
+ // Load the STL first to workaround issues on old Android versions:
+ // "if your app targets a version of Android earlier than Android 4.3
+ // (Android API level 18),
+ // and you use libc++_shared.so, you must load the shared library before any other
+ // library that depends on it."
+ // See https://developer.android.com/ndk/guides/cpp-support#shared_runtimes
+ //System.loadLibrary("c++_shared");
+
+ // Load the native library.
+ // The name "android-game" depends on your CMake configuration, must be
+ // consistent here and inside AndroidManifect.xml
+ System.loadLibrary("main");
+ }
+
+ private void hideSystemUI() {
+ // This will put the game behind any cutouts and waterfalls on devices which have
+ // them, so the corresponding insets will be non-zero.
+ if (VERSION.SDK_INT >= VERSION_CODES.P) {
+ getWindow().getAttributes().layoutInDisplayCutoutMode
+ = WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS;
+ }
+ // From API 30 onwards, this is the recommended way to hide the system UI, rather than
+ // using View.setSystemUiVisibility.
+ View decorView = getWindow().getDecorView();
+ WindowInsetsControllerCompat controller = new WindowInsetsControllerCompat(getWindow(),
+ decorView);
+ controller.hide(WindowInsetsCompat.Type.systemBars());
+ controller.hide(WindowInsetsCompat.Type.displayCutout());
+ controller.setSystemBarsBehavior(
+ WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE);
+ }
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ // When true, the app will fit inside any system UI windows.
+ // When false, we render behind any system UI windows.
+ WindowCompat.setDecorFitsSystemWindows(getWindow(), false);
+ hideSystemUI();
+ // You can set IME fields here or in native code using GameActivity_setImeEditorInfoFields.
+ // We set the fields in native_engine.cpp.
+ // super.setImeEditorInfoFields(InputType.TYPE_CLASS_TEXT,
+ // IME_ACTION_NONE, IME_FLAG_NO_FULLSCREEN );
+ super.onCreate(savedInstanceState);
+ }
+
+ public boolean isGooglePlayGames() {
+ PackageManager pm = getPackageManager();
+ return pm.hasSystemFeature("com.google.android.play.feature.HPE_EXPERIENCE");
+ }
+}
\ No newline at end of file
diff --git a/examples/agdk-oboe/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/examples/agdk-oboe/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
new file mode 100644
index 0000000..2b068d1
--- /dev/null
+++ b/examples/agdk-oboe/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
@@ -0,0 +1,30 @@
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/examples/agdk-oboe/app/src/main/res/drawable/ic_launcher_background.xml b/examples/agdk-oboe/app/src/main/res/drawable/ic_launcher_background.xml
new file mode 100644
index 0000000..07d5da9
--- /dev/null
+++ b/examples/agdk-oboe/app/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,170 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/examples/agdk-oboe/app/src/main/res/layout/activity_main.xml b/examples/agdk-oboe/app/src/main/res/layout/activity_main.xml
new file mode 100644
index 0000000..4fc2444
--- /dev/null
+++ b/examples/agdk-oboe/app/src/main/res/layout/activity_main.xml
@@ -0,0 +1,18 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/examples/agdk-oboe/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/examples/agdk-oboe/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 0000000..eca70cf
--- /dev/null
+++ b/examples/agdk-oboe/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,5 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/examples/agdk-oboe/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/examples/agdk-oboe/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
new file mode 100644
index 0000000..eca70cf
--- /dev/null
+++ b/examples/agdk-oboe/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -0,0 +1,5 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/examples/agdk-oboe/app/src/main/res/mipmap-hdpi/ic_launcher.webp b/examples/agdk-oboe/app/src/main/res/mipmap-hdpi/ic_launcher.webp
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diff --git a/examples/agdk-oboe/app/src/main/res/mipmap-mdpi/ic_launcher.webp b/examples/agdk-oboe/app/src/main/res/mipmap-mdpi/ic_launcher.webp
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diff --git a/examples/agdk-oboe/app/src/main/res/mipmap-xhdpi/ic_launcher.webp b/examples/agdk-oboe/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
new file mode 100644
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diff --git a/examples/agdk-oboe/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp b/examples/agdk-oboe/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
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diff --git a/examples/agdk-oboe/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp b/examples/agdk-oboe/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
new file mode 100644
index 0000000..aa7d642
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diff --git a/examples/agdk-oboe/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp b/examples/agdk-oboe/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
new file mode 100644
index 0000000..9126ae3
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diff --git a/examples/agdk-oboe/app/src/main/res/values-night/themes.xml b/examples/agdk-oboe/app/src/main/res/values-night/themes.xml
new file mode 100644
index 0000000..81c6873
--- /dev/null
+++ b/examples/agdk-oboe/app/src/main/res/values-night/themes.xml
@@ -0,0 +1,16 @@
+
+
+
+
\ No newline at end of file
diff --git a/examples/agdk-oboe/app/src/main/res/values/colors.xml b/examples/agdk-oboe/app/src/main/res/values/colors.xml
new file mode 100644
index 0000000..f8c6127
--- /dev/null
+++ b/examples/agdk-oboe/app/src/main/res/values/colors.xml
@@ -0,0 +1,10 @@
+
+
+ #FFBB86FC
+ #FF6200EE
+ #FF3700B3
+ #FF03DAC5
+ #FF018786
+ #FF000000
+ #FFFFFFFF
+
\ No newline at end of file
diff --git a/examples/agdk-oboe/app/src/main/res/values/themes.xml b/examples/agdk-oboe/app/src/main/res/values/themes.xml
new file mode 100644
index 0000000..83a6c4a
--- /dev/null
+++ b/examples/agdk-oboe/app/src/main/res/values/themes.xml
@@ -0,0 +1,16 @@
+
+
+
+
\ No newline at end of file
diff --git a/examples/agdk-oboe/build.gradle b/examples/agdk-oboe/build.gradle
new file mode 100644
index 0000000..dfdcb16
--- /dev/null
+++ b/examples/agdk-oboe/build.gradle
@@ -0,0 +1,10 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+ id 'com.android.application' version '7.1.2' apply false
+ id 'com.android.library' version '7.1.2' apply false
+}
+
+task clean(type: Delete) {
+ delete rootProject.buildDir
+}
+
diff --git a/examples/agdk-oboe/gradle.properties b/examples/agdk-oboe/gradle.properties
new file mode 100644
index 0000000..dab7c28
--- /dev/null
+++ b/examples/agdk-oboe/gradle.properties
@@ -0,0 +1,21 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app"s APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Enables namespacing of each library's R class so that its R class includes only the
+# resources declared in the library itself and none from the library's dependencies,
+# thereby reducing the size of the R class for that library
+android.nonTransitiveRClass=true
\ No newline at end of file
diff --git a/examples/agdk-oboe/gradle/wrapper/gradle-wrapper.jar b/examples/agdk-oboe/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..e708b1c
Binary files /dev/null and b/examples/agdk-oboe/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/examples/agdk-oboe/gradle/wrapper/gradle-wrapper.properties b/examples/agdk-oboe/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..b53fece
--- /dev/null
+++ b/examples/agdk-oboe/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Mon May 02 15:39:12 BST 2022
+distributionBase=GRADLE_USER_HOME
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-bin.zip
+distributionPath=wrapper/dists
+zipStorePath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
diff --git a/examples/agdk-oboe/gradlew b/examples/agdk-oboe/gradlew
new file mode 100644
index 0000000..4f906e0
--- /dev/null
+++ b/examples/agdk-oboe/gradlew
@@ -0,0 +1,185 @@
+#!/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.
+#
+
+##############################################################################
+##
+## Gradle start up script for UN*X
+##
+##############################################################################
+
+# 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 "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+ echo "$*"
+}
+
+die () {
+ echo
+ echo "$*"
+ echo
+ exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+ CYGWIN* )
+ cygwin=true
+ ;;
+ Darwin* )
+ darwin=true
+ ;;
+ MINGW* )
+ msys=true
+ ;;
+ NONSTOP* )
+ nonstop=true
+ ;;
+esac
+
+CLASSPATH=$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
+ # IBM's JDK on AIX uses strange locations for the executables
+ JAVACMD="$JAVA_HOME/jre/sh/java"
+ else
+ JAVACMD="$JAVA_HOME/bin/java"
+ fi
+ if [ ! -x "$JAVACMD" ] ; then
+ die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+ fi
+else
+ JAVACMD="java"
+ which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+ MAX_FD_LIMIT=`ulimit -H -n`
+ if [ $? -eq 0 ] ; then
+ if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+ MAX_FD="$MAX_FD_LIMIT"
+ fi
+ ulimit -n $MAX_FD
+ if [ $? -ne 0 ] ; then
+ warn "Could not set maximum file descriptor limit: $MAX_FD"
+ fi
+ else
+ warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+ fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+ GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# 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
+ ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+ SEP=""
+ for dir in $ROOTDIRSRAW ; do
+ ROOTDIRS="$ROOTDIRS$SEP$dir"
+ SEP="|"
+ done
+ OURCYGPATTERN="(^($ROOTDIRS))"
+ # Add a user-defined pattern to the cygpath arguments
+ if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+ OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+ fi
+ # Now convert the arguments - kludge to limit ourselves to /bin/sh
+ i=0
+ for arg in "$@" ; do
+ CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+ CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
+
+ if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
+ eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+ else
+ eval `echo args$i`="\"$arg\""
+ fi
+ 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" ;;
+ esac
+fi
+
+# Escape application args
+save () {
+ for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+ echo " "
+}
+APP_ARGS=`save "$@"`
+
+# 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 "$JAVACMD" "$@"
diff --git a/examples/agdk-oboe/gradlew.bat b/examples/agdk-oboe/gradlew.bat
new file mode 100644
index 0000000..107acd3
--- /dev/null
+++ b/examples/agdk-oboe/gradlew.bat
@@ -0,0 +1,89 @@
+@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
+@rem Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+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 execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+: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 %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/examples/agdk-oboe/settings.gradle b/examples/agdk-oboe/settings.gradle
new file mode 100644
index 0000000..78d4714
--- /dev/null
+++ b/examples/agdk-oboe/settings.gradle
@@ -0,0 +1,16 @@
+pluginManagement {
+ repositories {
+ gradlePluginPortal()
+ google()
+ mavenCentral()
+ }
+}
+dependencyResolutionManagement {
+ repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+ repositories {
+ google()
+ mavenCentral()
+ }
+}
+//rootProject.name = "Rust Template"
+include ':app'
diff --git a/examples/agdk-oboe/src/audio.rs b/examples/agdk-oboe/src/audio.rs
new file mode 100644
index 0000000..ae45a35
--- /dev/null
+++ b/examples/agdk-oboe/src/audio.rs
@@ -0,0 +1,220 @@
+use atomic_float::AtomicF32;
+use std::{
+ f32::consts::PI,
+ marker::PhantomData,
+ sync::{atomic::Ordering, Arc},
+};
+
+use oboe::{
+ AudioDeviceDirection, AudioDeviceInfo, AudioFeature, AudioOutputCallback, AudioOutputStream,
+ AudioOutputStreamSafe, AudioStream, AudioStreamAsync, AudioStreamBase, AudioStreamBuilder,
+ DataCallbackResult, DefaultStreamValues, Mono, Output, PerformanceMode, SharingMode, Stereo,
+};
+
+/// Sine-wave generator stream
+#[derive(Default)]
+pub struct SineGen {
+ stream: Option>>,
+}
+
+impl SineGen {
+ /// Create and start audio stream
+ pub fn try_start(&mut self) {
+ if self.stream.is_none() {
+ let param = Arc::new(SineParam::default());
+
+ let mut stream = AudioStreamBuilder::default()
+ .set_performance_mode(PerformanceMode::LowLatency)
+ .set_sharing_mode(SharingMode::Shared)
+ .set_format::()
+ .set_channel_count::()
+ .set_callback(SineWave::::new(¶m))
+ .open_stream()
+ .unwrap();
+
+ log::debug!("start stream: {:?}", stream);
+
+ param.set_sample_rate(stream.get_sample_rate() as _);
+
+ stream.start().unwrap();
+
+ self.stream = Some(stream);
+ }
+ }
+
+ /// Pause audio stream
+ pub fn try_pause(&mut self) {
+ if let Some(stream) = &mut self.stream {
+ log::debug!("pause stream: {:?}", stream);
+ stream.pause().unwrap();
+ }
+ }
+
+ /// Stop and remove audio stream
+ pub fn try_stop(&mut self) {
+ if let Some(stream) = &mut self.stream {
+ log::debug!("stop stream: {:?}", stream);
+ stream.stop().unwrap();
+ self.stream = None;
+ }
+ }
+}
+
+pub struct SineParam {
+ frequency: AtomicF32,
+ gain: AtomicF32,
+ sample_rate: AtomicF32,
+ delta: AtomicF32,
+}
+
+impl Default for SineParam {
+ fn default() -> Self {
+ Self {
+ frequency: AtomicF32::new(440.0),
+ gain: AtomicF32::new(0.5),
+ sample_rate: AtomicF32::new(0.0),
+ delta: AtomicF32::new(0.0),
+ }
+ }
+}
+
+impl SineParam {
+ fn set_sample_rate(&self, sample_rate: f32) {
+ let frequency = self.frequency.load(Ordering::Acquire);
+ let delta = frequency * 2.0 * PI / sample_rate;
+
+ self.delta.store(delta, Ordering::Release);
+ self.sample_rate.store(sample_rate, Ordering::Relaxed);
+
+ println!(
+ "Prepare sine wave generator: samplerate={}, time delta={}",
+ sample_rate, delta
+ );
+ }
+
+ fn set_frequency(&self, frequency: f32) {
+ let sample_rate = self.sample_rate.load(Ordering::Relaxed);
+ let delta = frequency * 2.0 * PI / sample_rate;
+
+ self.delta.store(delta, Ordering::Relaxed);
+ self.frequency.store(frequency, Ordering::Relaxed);
+ }
+
+ fn set_gain(&self, gain: f32) {
+ self.gain.store(gain, Ordering::Relaxed);
+ }
+}
+
+pub struct SineWave {
+ param: Arc,
+ phase: f32,
+ marker: PhantomData<(F, C)>,
+}
+
+impl Drop for SineWave {
+ fn drop(&mut self) {
+ println!("drop SineWave generator");
+ }
+}
+
+impl SineWave {
+ pub fn new(param: &Arc) -> Self {
+ println!("init SineWave generator");
+ Self {
+ param: param.clone(),
+ phase: 0.0,
+ marker: PhantomData,
+ }
+ }
+}
+
+impl Iterator for SineWave {
+ type Item = f32;
+
+ fn next(&mut self) -> Option {
+ let delta = self.param.delta.load(Ordering::Relaxed);
+ let gain = self.param.gain.load(Ordering::Relaxed);
+
+ let frame = gain * self.phase.sin();
+
+ self.phase += delta;
+ while self.phase > 2.0 * PI {
+ self.phase -= 2.0 * PI;
+ }
+
+ Some(frame)
+ }
+}
+
+impl AudioOutputCallback for SineWave {
+ type FrameType = (f32, Mono);
+
+ fn on_audio_ready(
+ &mut self,
+ stream: &mut dyn AudioOutputStreamSafe,
+ frames: &mut [f32],
+ ) -> DataCallbackResult {
+ for frame in frames {
+ *frame = self.next().unwrap();
+ }
+ DataCallbackResult::Continue
+ }
+}
+
+impl AudioOutputCallback for SineWave {
+ type FrameType = (f32, Stereo);
+
+ fn on_audio_ready(
+ &mut self,
+ stream: &mut dyn AudioOutputStreamSafe,
+ frames: &mut [(f32, f32)],
+ ) -> DataCallbackResult {
+ for frame in frames {
+ frame.0 = self.next().unwrap();
+ frame.1 = frame.0;
+ }
+ DataCallbackResult::Continue
+ }
+}
+
+/// Print device's audio info
+pub fn audio_probe() {
+ if let Err(error) = DefaultStreamValues::init() {
+ eprintln!("Unable to init default stream values due to: {}", error);
+ }
+
+ println!("Default stream values:");
+ println!(" Sample rate: {}", DefaultStreamValues::get_sample_rate());
+ println!(
+ " Frames per burst: {}",
+ DefaultStreamValues::get_frames_per_burst()
+ );
+ println!(
+ " Channel count: {}",
+ DefaultStreamValues::get_channel_count()
+ );
+
+ println!("Audio features:");
+ println!(" Low latency: {}", AudioFeature::LowLatency.has().unwrap());
+ println!(" Output: {}", AudioFeature::Output.has().unwrap());
+ println!(" Pro: {}", AudioFeature::Pro.has().unwrap());
+ println!(" Microphone: {}", AudioFeature::Microphone.has().unwrap());
+ println!(" Midi: {}", AudioFeature::Midi.has().unwrap());
+
+ let devices = AudioDeviceInfo::request(AudioDeviceDirection::InputOutput).unwrap();
+
+ println!("Audio Devices:");
+
+ for device in devices {
+ println!("{{");
+ println!(" Id: {}", device.id);
+ println!(" Type: {:?}", device.device_type);
+ println!(" Direction: {:?}", device.direction);
+ println!(" Address: {}", device.address);
+ println!(" Product name: {}", device.product_name);
+ println!(" Channel counts: {:?}", device.channel_counts);
+ println!(" Sample rates: {:?}", device.sample_rates);
+ println!(" Formats: {:?}", device.formats);
+ println!("}}");
+ }
+}
\ No newline at end of file
diff --git a/examples/agdk-oboe/src/lib.rs b/examples/agdk-oboe/src/lib.rs
new file mode 100644
index 0000000..979daa8
--- /dev/null
+++ b/examples/agdk-oboe/src/lib.rs
@@ -0,0 +1,80 @@
+use android_activity::{AndroidApp, PollEvent, MainEvent};
+use log::info;
+
+mod audio;
+use audio::*;
+
+#[no_mangle]
+fn android_main(app: AndroidApp) {
+ android_logger::init_once(
+ android_logger::Config::default().with_min_level(log::Level::Info)
+ );
+
+ let mut quit = false;
+ let mut redraw_pending = true;
+ let mut render_state: Option<()> = Default::default();
+
+ let mut sine = SineGen::default();
+
+ while !quit {
+ app.poll_events(Some(std::time::Duration::from_millis(500)) /* timeout */, |event| {
+ match event {
+ PollEvent::Wake => { info!("Early wake up"); },
+ PollEvent::Timeout => {
+ info!("Timed out");
+ // Real app would probably rely on vblank sync via graphics API...
+ redraw_pending = true;
+ },
+ PollEvent::Main(main_event) => {
+ info!("Main event: {:?}", main_event);
+ match main_event {
+ MainEvent::SaveState { saver, .. } => {
+ saver.store("foo://bar".as_bytes());
+ },
+ MainEvent::Pause => {
+ sine.try_stop();
+ },
+ MainEvent::Resume { loader, .. } => {
+ if let Some(state) = loader.load() {
+ if let Ok(uri) = String::from_utf8(state) {
+ info!("Resumed with saved state = {uri:#?}");
+ }
+ }
+
+ audio_probe();
+ sine.try_start();
+ },
+ MainEvent::InitWindow { .. } => {
+ render_state = Some(());
+ redraw_pending = true;
+ },
+ MainEvent::TerminateWindow { .. } => {
+ render_state = None;
+ }
+ MainEvent::WindowResized { .. } => { redraw_pending = true; },
+ MainEvent::RedrawNeeded { ..} => { redraw_pending = true; },
+ MainEvent::LowMemory => {},
+
+ MainEvent::Destroy => { quit = true },
+ _ => { /* ... */}
+ }
+ },
+ _ => {}
+ }
+
+ if redraw_pending {
+ if let Some(_rs) = render_state {
+ redraw_pending = false;
+
+ // Handle input
+ app.input_events(|event| {
+ info!("Input Event: {event:?}");
+
+ });
+
+ info!("Render...");
+ }
+ }
+ });
+ }
+}
\ No newline at end of file