diff --git a/Cargo.toml b/Cargo.toml
index edcef36..4a8ad72 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,5 +9,6 @@ exclude = [
"examples/agdk-winit-wgpu",
"examples/agdk-egui",
"examples/na-mainloop",
- "examples/na-winit-wgpu"
+ "examples/na-winit-wgpu",
+ "examples/na-subclass-jni"
]
diff --git a/examples/na-subclass-jni/.gitignore b/examples/na-subclass-jni/.gitignore
new file mode 100644
index 0000000..ebd37e1
--- /dev/null
+++ b/examples/na-subclass-jni/.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/na-subclass-jni/.idea/.gitignore b/examples/na-subclass-jni/.idea/.gitignore
new file mode 100644
index 0000000..26d3352
--- /dev/null
+++ b/examples/na-subclass-jni/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/examples/na-subclass-jni/.idea/compiler.xml b/examples/na-subclass-jni/.idea/compiler.xml
new file mode 100644
index 0000000..fb7f4a8
--- /dev/null
+++ b/examples/na-subclass-jni/.idea/compiler.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/examples/na-subclass-jni/.idea/gradle.xml b/examples/na-subclass-jni/.idea/gradle.xml
new file mode 100644
index 0000000..526b4c2
--- /dev/null
+++ b/examples/na-subclass-jni/.idea/gradle.xml
@@ -0,0 +1,20 @@
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/examples/na-subclass-jni/.idea/misc.xml b/examples/na-subclass-jni/.idea/misc.xml
new file mode 100644
index 0000000..c461621
--- /dev/null
+++ b/examples/na-subclass-jni/.idea/misc.xml
@@ -0,0 +1,19 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/examples/na-subclass-jni/.idea/vcs.xml b/examples/na-subclass-jni/.idea/vcs.xml
new file mode 100644
index 0000000..fdf1fc8
--- /dev/null
+++ b/examples/na-subclass-jni/.idea/vcs.xml
@@ -0,0 +1,7 @@
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/examples/na-subclass-jni/Cargo.toml b/examples/na-subclass-jni/Cargo.toml
new file mode 100644
index 0000000..e5d6811
--- /dev/null
+++ b/examples/na-subclass-jni/Cargo.toml
@@ -0,0 +1,186 @@
+[package]
+name = "na-subclass-jni"
+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"
+native-activity = { path="../../native-activity" }
+jni = "0.19"
+
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+
+[lib]
+#name="na_subclass_jni"
+crate_type=["cdylib"]
+
+
+####################
+# cargo apk config #
+####################
+
+[package.metadata.android]
+# Specifies the package property of the manifest.
+package = "com.foo.bar"
+
+# Specifies the array of targets to build for.
+build_targets = [ "aarch64-linux-android" ]
+
+# Path to your application's resources folder.
+# If not specified, resources will not be included in the APK.
+#resources = "path/to/resources_folder"
+
+# Path to the folder containing your application's assets.
+# If not specified, assets will not be included in the APK.
+#assets = "path/to/assets_folder"
+
+# Name for final APK file.
+# Defaults to package name.
+#apk_name = "myapp"
+
+# Folder containing extra shared libraries intended to be dynamically loaded at runtime.
+# Files matching `libs_folder/${android_abi}/*.so` are added to the apk
+# according to the specified build_targets.
+#runtime_libs = "path/to/libs_folder"
+
+# See https://developer.android.com/guide/topics/manifest/uses-sdk-element
+#
+# Defaults to a `min_sdk_version` of 23 and `target_sdk_version` of 30 (or lower if the detected NDK doesn't support this).
+[package.metadata.android.sdk]
+min_sdk_version = 28
+target_sdk_version = 31
+#max_sdk_version = 31
+
+# See https://developer.android.com/guide/topics/manifest/uses-feature-element
+#
+# Note: there can be multiple .uses_feature entries.
+[[package.metadata.android.uses_feature]]
+name = "android.hardware.vulkan.level"
+required = true
+version = 1
+
+# See https://developer.android.com/guide/topics/manifest/uses-permission-element
+#
+# Note: there can be multiple .uses_permission entries.
+#[[package.metadata.android.uses_permission]]
+#name = "android.permission.WRITE_EXTERNAL_STORAGE"
+#max_sdk_version = 18
+
+# See https://developer.android.com/guide/topics/manifest/queries-element#provider
+#[[package.metadata.android.queries.provider]]
+#authorities = "org.khronos.openxr.runtime_broker;org.khronos.openxr.system_runtime_broker"
+# Note: The `name` attribute is normally not required for a queries provider, but is non-optional
+# as a workaround for aapt throwing errors about missing `android:name` attribute.
+# This will be made optional if/when cargo-apk migrates to aapt2.
+#name = "org.khronos.openxr"
+
+# See https://developer.android.com/guide/topics/manifest/queries-element#intent
+#[[package.metadata.android.queries.intent]]
+#actions = ["android.intent.action.SEND"]
+
+# See https://developer.android.com/guide/topics/manifest/queries-element#intent
+# Note: there can be several .data entries.
+#[[package.metadata.android.queries.intent.data]]
+#mime_type = "image/jpeg"
+
+# See https://developer.android.com/guide/topics/manifest/queries-element#package
+#[[package.metadata.android.queries.package]]
+#name = "org.freedesktop.monado.openxr_runtime.in_process"
+
+# See https://developer.android.com/guide/topics/manifest/application-element
+#[package.metadata.android.application]
+
+# See https://developer.android.com/guide/topics/manifest/application-element#debug
+#
+# Defaults to false.
+#debuggable = false
+
+# See https://developer.android.com/guide/topics/manifest/application-element#theme
+#
+# Example shows setting the theme of an application to fullscreen.
+#theme = "@android:style/Theme.DeviceDefault.NoActionBar.Fullscreen"
+
+# Virtual path your application's icon for any mipmap level.
+# If not specified, an icon will not be included in the APK.
+#icon = "@mipmap/ic_launcher"
+
+# See https://developer.android.com/guide/topics/manifest/application-element#label
+#
+# Defaults to the compiled artifact's name.
+label = "Application Name"
+
+# See https://developer.android.com/guide/topics/manifest/meta-data-element
+#
+# Note: there can be several .meta_data entries.
+# Note: the `resource` attribute is currently not supported.
+#[[package.metadata.android.application.meta_data]]
+#name = "com.samsung.android.vr.application.mode"
+#value = "vr_only"
+
+# See https://developer.android.com/guide/topics/manifest/activity-element
+[package.metadata.android.application.activity]
+
+# See https://developer.android.com/guide/topics/manifest/activity-element#nm
+#
+# The name of the class that implements the activity, a subclass of Activity
+#
+# Defaults to "android.app.NativeActivity"
+# name = "android.app.MyActivity"
+
+# See https://developer.android.com/guide/topics/manifest/activity-element#config
+#
+# Defaults to "orientation|keyboardHidden|screenSize".
+#config_changes = "orientation"
+
+# See https://developer.android.com/guide/topics/manifest/activity-element#label
+#
+# Defaults to the application's label.
+#label = "Activity Name"
+
+# See https://developer.android.com/guide/topics/manifest/activity-element#lmode
+#
+# Defaults to "standard".
+#launch_mode = "singleTop"
+
+# See https://developer.android.com/guide/topics/manifest/activity-element#screen
+#
+# Defaults to "unspecified".
+#orientation = "landscape"
+
+# See https://developer.android.com/guide/topics/manifest/activity-element#exported
+#
+# Unset by default, or "true" when targeting Android >= 31 (S and up).
+#exported = "true"
+
+# See https://developer.android.com/guide/topics/manifest/meta-data-element
+#
+# Note: there can be several .meta_data entries.
+# Note: the `resource` attribute is currently not supported.
+#[[package.metadata.android.application.activity.meta_data]]
+#name = "com.oculus.vr.focusaware"
+#value = "true"
+
+# See https://developer.android.com/guide/topics/manifest/intent-filter-element
+#
+# Note: there can be several .intent_filter entries.
+#[[package.metadata.android.application.activity.intent_filter]]
+# See https://developer.android.com/guide/topics/manifest/action-element
+#actions = ["android.intent.action.VIEW", "android.intent.action.WEB_SEARCH"]
+# See https://developer.android.com/guide/topics/manifest/category-element
+#categories = ["android.intent.category.DEFAULT", "android.intent.category.BROWSABLE"]
+
+# See https://developer.android.com/guide/topics/manifest/data-element
+#
+# Note: there can be several .data entries.
+# Note: not specifying an attribute excludes it from the final data specification.
+#[[package.metadata.android.application.activity.intent_filter.data]]
+#scheme = "https"
+#host = "github.com"
+#port = "8080"
+#path = "/rust-windowing/android-ndk-rs/tree/master/cargo-apk"
+#path_prefix = "/rust-windowing/"
+#mime_type = "image/jpeg"
\ No newline at end of file
diff --git a/examples/na-subclass-jni/README.md b/examples/na-subclass-jni/README.md
new file mode 100644
index 0000000..b87e604
--- /dev/null
+++ b/examples/na-subclass-jni/README.md
@@ -0,0 +1,21 @@
+This is a minimal test application similar to `na-mainloop` that
+demonstrates running with a subclass of `NativeActivity` and overriding
+the `onNewIntent` `Activity` method and notifying rust whenever it's called.
+
+Note: unlike the `na-mainloop` example, this one can't be built via
+`cargo apk` since it needs to compile some Java code.
+
+# Gradle Build
+```
+rustup target add aarch64-linux-android
+
+cargo install cargo-ndk
+
+export ANDROID_NDK_HOME="path/to/ndk"
+cargo ndk -t arm64-v8a -o app/src/main/jniLibs/ build
+
+export ANDROID_HOME="path/to/sdk"
+./gradlew build
+./gradlew installDebug
+adb shell am start -n co.realfit.nasubclassjni/.MainActivity
+```
diff --git a/examples/na-subclass-jni/app/.gitignore b/examples/na-subclass-jni/app/.gitignore
new file mode 100644
index 0000000..42afabf
--- /dev/null
+++ b/examples/na-subclass-jni/app/.gitignore
@@ -0,0 +1 @@
+/build
\ No newline at end of file
diff --git a/examples/na-subclass-jni/app/build.gradle b/examples/na-subclass-jni/app/build.gradle
new file mode 100644
index 0000000..2533720
--- /dev/null
+++ b/examples/na-subclass-jni/app/build.gradle
@@ -0,0 +1,41 @@
+plugins {
+ id 'com.android.application'
+}
+
+android {
+ compileSdk 31
+
+ defaultConfig {
+ applicationId "co.realfit.nasubclassjni"
+ 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 {
+
+
+}
+
diff --git a/examples/na-subclass-jni/app/proguard-rules.pro b/examples/na-subclass-jni/app/proguard-rules.pro
new file mode 100644
index 0000000..481bb43
--- /dev/null
+++ b/examples/na-subclass-jni/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/na-subclass-jni/app/src/main/AndroidManifest.xml b/examples/na-subclass-jni/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..c672c1e
--- /dev/null
+++ b/examples/na-subclass-jni/app/src/main/AndroidManifest.xml
@@ -0,0 +1,34 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/examples/na-subclass-jni/app/src/main/java/co/realfit/nasubclassjni/MainActivity.java b/examples/na-subclass-jni/app/src/main/java/co/realfit/nasubclassjni/MainActivity.java
new file mode 100644
index 0000000..a99504e
--- /dev/null
+++ b/examples/na-subclass-jni/app/src/main/java/co/realfit/nasubclassjni/MainActivity.java
@@ -0,0 +1,27 @@
+package co.realfit.nasubclassjni;
+
+import android.app.NativeActivity;
+import android.content.Intent;
+import android.os.Bundle;
+
+public class MainActivity extends NativeActivity {
+
+ static {
+ System.loadLibrary("na_subclass_jni");
+ }
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+
+ }
+
+ @Override
+ protected void onNewIntent(Intent intent) {
+ super.onNewIntent(intent);
+
+ notifyOnNewIntent();
+ }
+
+ private native void notifyOnNewIntent();
+}
diff --git a/examples/na-subclass-jni/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/examples/na-subclass-jni/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
new file mode 100644
index 0000000..2b068d1
--- /dev/null
+++ b/examples/na-subclass-jni/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
@@ -0,0 +1,30 @@
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/examples/na-subclass-jni/app/src/main/res/drawable/ic_launcher_background.xml b/examples/na-subclass-jni/app/src/main/res/drawable/ic_launcher_background.xml
new file mode 100644
index 0000000..07d5da9
--- /dev/null
+++ b/examples/na-subclass-jni/app/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,170 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/examples/na-subclass-jni/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/examples/na-subclass-jni/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 0000000..eca70cf
--- /dev/null
+++ b/examples/na-subclass-jni/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,5 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/examples/na-subclass-jni/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/examples/na-subclass-jni/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
new file mode 100644
index 0000000..eca70cf
--- /dev/null
+++ b/examples/na-subclass-jni/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/na-subclass-jni/app/src/main/res/mipmap-hdpi/ic_launcher.webp b/examples/na-subclass-jni/app/src/main/res/mipmap-hdpi/ic_launcher.webp
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diff --git a/examples/na-subclass-jni/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp b/examples/na-subclass-jni/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
new file mode 100644
index 0000000..aa7d642
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diff --git a/examples/na-subclass-jni/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp b/examples/na-subclass-jni/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/na-subclass-jni/build.gradle b/examples/na-subclass-jni/build.gradle
new file mode 100644
index 0000000..dfdcb16
--- /dev/null
+++ b/examples/na-subclass-jni/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/na-subclass-jni/gradle.properties b/examples/na-subclass-jni/gradle.properties
new file mode 100644
index 0000000..dab7c28
--- /dev/null
+++ b/examples/na-subclass-jni/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/na-subclass-jni/gradle/wrapper/gradle-wrapper.jar b/examples/na-subclass-jni/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..e708b1c
Binary files /dev/null and b/examples/na-subclass-jni/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/examples/na-subclass-jni/gradle/wrapper/gradle-wrapper.properties b/examples/na-subclass-jni/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..b53fece
--- /dev/null
+++ b/examples/na-subclass-jni/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/na-subclass-jni/gradlew b/examples/na-subclass-jni/gradlew
new file mode 100644
index 0000000..4f906e0
--- /dev/null
+++ b/examples/na-subclass-jni/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/na-subclass-jni/gradlew.bat b/examples/na-subclass-jni/gradlew.bat
new file mode 100644
index 0000000..107acd3
--- /dev/null
+++ b/examples/na-subclass-jni/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/na-subclass-jni/settings.gradle b/examples/na-subclass-jni/settings.gradle
new file mode 100644
index 0000000..78d4714
--- /dev/null
+++ b/examples/na-subclass-jni/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/na-subclass-jni/src/lib.rs b/examples/na-subclass-jni/src/lib.rs
new file mode 100644
index 0000000..5ffcbf6
--- /dev/null
+++ b/examples/na-subclass-jni/src/lib.rs
@@ -0,0 +1,96 @@
+
+use native_activity::{PollEvent, MainEvent};
+use log::Level;
+use log::{trace, info};
+use std::time::Duration;
+use serde::{Serialize, Deserialize};
+
+#[derive(Debug, Serialize, Deserialize)]
+struct AppState {
+ uri: String,
+}
+
+#[no_mangle]
+extern "C" fn android_main() {
+
+ android_logger::init_once(
+ android_logger::Config::default().with_min_level(Level::Info)
+ );
+
+ let mut quit = false;
+ let mut redraw_pending = true;
+ let mut render_state: Option<()> = Default::default();
+
+ let app = native_activity::android_app();
+ while !quit {
+ app.poll_events(Some(Duration::from_millis(500)) /* timeout */, |event| {
+ match event {
+ PollEvent::Wake => { trace!("Early wake up"); },
+ PollEvent::Timeout => {
+ trace!("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, .. } => {
+ let state = serde_json::to_vec(&AppState { uri: format!("foo://bar") }).unwrap();
+ saver.store(&state);
+ },
+ MainEvent::Pause => {},
+ MainEvent::Resume { loader, .. } => {
+ if let Some(state) = loader.load() {
+ let state: AppState = serde_json::from_slice(&state).unwrap();
+ info!("Resumed with saved state = {state:#?}");
+ }
+ },
+ 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 {
+ info!("Checking input: START");
+ if let Some(_rs) = render_state {
+ redraw_pending = false;
+
+ // Handle input
+ app.input_events(|event| {
+ info!("Input Event: {event:?}");
+
+ });
+
+ // Render...
+ }
+ info!("Checking input: DONE");
+ } else {
+ info!("No redraw pending");
+ }
+ });
+ }
+}
+
+
+#[allow(non_snake_case)]
+#[no_mangle]
+pub extern "C" fn Java_co_realfit_nasubclassjni_MainActivity_notifyOnNewIntent(
+ _env: jni::JNIEnv,
+ _class: jni::objects::JObject, // This is the JClass, not the instance,
+ _activity: jni::objects::JObject,
+) {
+ info!("onNewIntent was called!");
+}
\ No newline at end of file