Update Android build setup

.github/workflows/build.yml

@@ -89,11 +89,11 @@ jobs:
         with:
           submodules: "recursive"
 
-      - name: set up JDK 11
-        uses: actions/setup-java@v3
+      - name: set up JDK
+        uses: actions/setup-java@v4
         with:
-          java-version: "11"
-          distribution: "temurin"
+          java-version: "21"
+          distribution: "zulu"
           cache: gradle
       - name: ccache
         uses: hendrikmuhs/[email protected]

app/android/AndroidManifest.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-- Copyright (c) 2019-2023, Arm Limited and Contributors
+- Copyright (c) 2019-2024, Arm Limited and Contributors
 -
 - SPDX-License-Identifier: Apache-2.0
 -
@@ -19,12 +19,10 @@
 -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 	xmlns:tools="http://schemas.android.com/tools"
-	package="com.khronos.vulkan_samples"
 	android:versionCode="1"
 	android:versionName="1.0">
 
 	<application android:label="@string/app_name"
-		android:allowBackup="false"
 		android:debuggable="true"
 		android:icon="@mipmap/ic_launcher"
 		android:roundIcon="@mipmap/ic_launcher_round"

bldsys/cmake/android_sync_folder.cmake

@@ -1,5 +1,5 @@
 #[[
- Copyright (c) 2019-2023, Arm Limited and Contributors
+ Copyright (c) 2019-2024, Arm Limited and Contributors
 
  SPDX-License-Identifier: Apache-2.0
 

bldsys/cmake/template/gradle/app.build.gradle.in

@@ -2,18 +2,18 @@ plugins {
 	id 'com.android.application'
 }
 
-ext.vvl_version='1.3.275.0'
+ext.vvl_version='1.3.296.0'
 apply from: "./download_vvl.gradle"
 
 android {
-	compileSdk 33
-	buildToolsVersion "33.0.0"
-	ndkVersion "25.2.9519653"
+	ndkVersion '27.2.12479018'
+	compileSdk 35
 
 	defaultConfig {
-		applicationId "com.khronos.vulkan_samples"
+		applicationId 'com.khronos.vulkan_samples'
+	namespace "com.khronos.vulkan_samples"
 		@MIN_SDK_VERSION@
-		targetSdk 33
+		targetSdk 35
 		versionCode 1
 		versionName "1.0"
 
@@ -43,8 +43,8 @@ android {
 	}
 
 	compileOptions {
-		sourceCompatibility JavaVersion.VERSION_1_8
-		targetCompatibility JavaVersion.VERSION_1_8
+		sourceCompatibility JavaVersion.VERSION_21
+		targetCompatibility JavaVersion.VERSION_21
 	}
 
 	sourceSets {
@@ -64,21 +64,21 @@ android {
 		}
 	}
 
-	lintOptions {
-		checkReleaseBuilds false
+	lint {
 		abortOnError false
+		checkReleaseBuilds false
 	}
-
+	
 	buildFeatures {
 		viewBinding true
 		prefab true
 	}
 }
 
 dependencies {
-	implementation 'androidx.appcompat:appcompat:1.6.1'
-	implementation 'com.google.android.material:material:1.8.0'
-	implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
-	implementation 'androidx.core:core:1.9.0'
-	implementation 'androidx.games:games-activity:2.0.0'
+	implementation 'androidx.appcompat:appcompat:1.7.0'
+	implementation 'com.google.android.material:material:1.12.0'
+	implementation 'androidx.constraintlayout:constraintlayout:2.2.0'
+	implementation 'androidx.core:core:1.15.0'
+	implementation 'androidx.games:games-activity:3.0.5'
 }

bldsys/cmake/template/gradle/build.gradle.in

@@ -1,8 +1,8 @@
 plugins {
-	id 'com.android.application' version '7.4.2' apply false
-	id 'com.android.library' version '7.4.2' apply false
+	id 'com.android.application' version '8.7.2' apply false
+	id 'com.android.library' version '8.7.2' apply false
 }
 
-task clean(type: Delete) {
-	delete rootProject.buildDir
+tasks.register('clean', Delete) {
+	delete rootProject.layout.buildDirectory
 }

bldsys/cmake/template/gradle/download_vvl.gradle

@@ -36,7 +36,7 @@ apply plugin: 'com.android.application'
  */
 
 // get the validation layer version.
-def VVL_VER = "1.3.275.0"
+def VVL_VER = "1.3.296.0"
 if (ext.has("vvl_version")) {
     VVL_VER = ext.vvl_version
 }
@@ -76,5 +76,6 @@ dependencies {
 }
 
 project.afterEvaluate{
+    project.getTasks().getByName("mergeDebugJniLibFolders").dependsOn(unzip)
     project.getTasks().getByName("mergeReleaseJniLibFolders").dependsOn(unzip)
 }

bldsys/cmake/template/gradle/gradle-wrapper.properties.in

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.9-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

bldsys/cmake/template/gradle/gradlew

@@ -15,6 +15,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 
 ##############################################################################
 #
@@ -55,7 +57,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,13 +82,12 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${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"'
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
+APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s
+' "$PWD" ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
@@ -133,22 +134,29 @@ 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.
+    if ! command -v java >/dev/null 2>&1
+    then
+        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
 fi
 
 # Increase the maximum file descriptors if we can.
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
@@ -193,18 +201,28 @@ if "$cygwin" || "$msys" ; then
     done
 fi
 
-# Collect all arguments for the java command;
-#   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
-#     shell script including quotes and variable substitutions, so put them in
-#     double quotes to make sure that they get re-expanded; and
-#   * put everything else in single quotes, so that it's not re-expanded.
+
+# 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"'
+
+# Collect all arguments for the java command:
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#     and any embedded shellness will be escaped.
+#   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
+#     treated as '${Hostname}' itself on the command line.
 
 set -- \
         "-Dorg.gradle.appname=$APP_BASE_NAME" \
         -classpath "$CLASSPATH" \
         org.gradle.wrapper.GradleWrapperMain \
         "$@"
 
+# Stop when "xargs" is not available.
+if ! command -v xargs >/dev/null 2>&1
+then
+    die "xargs is not available"
+fi
+
 # Use "xargs" to parse quoted args.
 #
 # With -n1 it outputs one arg per line, with the quotes and backslashes removed.

bldsys/cmake/template/gradle/gradlew.bat

@@ -13,8 +13,10 @@
 @rem See the License for the specific language governing permissions and
 @rem limitations under the License.
 @rem
+@rem SPDX-License-Identifier: Apache-2.0
+@rem
 
-@if "%DEBUG%" == "" @echo off
+@if "%DEBUG%"=="" @echo off
 @rem ##########################################################################
 @rem
 @rem  Gradle startup script for Windows
@@ -25,7 +27,8 @@
 if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
-if "%DIRNAME%" == "" set DIRNAME=.
+if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
@@ -40,13 +43,13 @@ if defined JAVA_HOME goto findJavaFromJavaHome
 
 set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto execute
+if %ERRORLEVEL% equ 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.
+echo. 1>&2
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 
@@ -56,11 +59,11 @@ 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.
+echo. 1>&2
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 
@@ -75,13 +78,15 @@ set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
 :end
 @rem End local scope for the variables with windows NT shell
-if "%ERRORLEVEL%"=="0" goto mainEnd
+if %ERRORLEVEL% equ 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
+set EXIT_CODE=%ERRORLEVEL%
+if %EXIT_CODE% equ 0 set EXIT_CODE=1
+if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
+exit /b %EXIT_CODE%
 
 :mainEnd
 if "%OS%"=="Windows_NT" endlocal

docs/build.adoc

@@ -363,9 +363,12 @@ ____
 We use this environment in the CI https://github.com/KhronosGroupActions/android-ndk-build[Android NDK Repository]
 ____
 
-It is highly recommended to install https://d.android.com/studio[Android Studio] to build, run and trace the sample project.
-Android Studio uses the following plugins/tools to build samples:
+=== Android Studio (Recommended)
+
+It is highly recommended to install https://d.android.com/studio[Android Studio] to build, run and trace the sample project. Building via Android Studio requires at least Ladybug 2024.2.1.
 
+Android Studio uses the following plugins/tools to build samples:
+
 * Android Gradle Plugin
 * CMake Plugin, which installs and uses Ninja
 * NDK

framework/platform/android/android_platform.h

@@ -1,4 +1,4 @@
-/* Copyright (c) 2019-2023, Arm Limited and Contributors
+/* Copyright (c) 2019-2024, Arm Limited and Contributors
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -81,8 +81,7 @@ inline bool process_android_events(android_app *app)
 	int ident;
 	int events;
 
-	while ((ident = ALooper_pollAll(0, nullptr, &events,
-	                                (void **) &source)) >= 0)
+	while ((ident = ALooper_pollOnce(0, nullptr, &events, (void **) &source)) > ALOOPER_POLL_TIMEOUT)
 	{
 		if (source)
 		{