Android: Update to SDK 35 (#16513)

android/app/build.gradle

@@ -6,7 +6,7 @@ android {
 		applicationId 'net.minetest.minetest'
 		minSdkVersion 21
 		compileSdk 34
-		targetSdkVersion 34
+		targetSdkVersion 35
 		versionName "${versionMajor}.${versionMinor}.${versionPatch}"
 		versionCode versionMajor * 1000000 + versionMinor * 10000 + versionPatch * 100 + versionBuild
 	}

android/build.gradle

@@ -15,8 +15,8 @@ buildscript {
 		mavenCentral()
 	}
 	dependencies {
-		classpath 'com.android.tools.build:gradle:8.5.1'
-		classpath 'de.undercouch:gradle-download-task:4.1.1'
+		classpath 'com.android.tools.build:gradle:8.12.3'
+		classpath 'de.undercouch:gradle-download-task:5.6.0'
 		// NOTE: Do not place your application dependencies here; they belong
 		// in the individual module build.gradle files
 	}
@@ -30,5 +30,5 @@ allprojects {
 }
 
 task clean(type: Delete) {
-	delete rootProject.buildDir
+	delete rootProject.layout.buildDirectory
 }

android/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

android/native/build.gradle

@@ -68,5 +68,5 @@ if (new File(depsDir, 'armeabi-v7a').exists()) {
 preBuild.dependsOn getDeps
 
 clean {
-	delete new File(buildDir.parent, 'deps')
+	delete depsDir
 }

doc/android.md

@@ -77,30 +77,28 @@ some shader settings cannot be used on OpenGL ES.
 Changing the graphic driver setting to OpenGL will not work.
 
 ## Building Requirements
-In order to build, your PC has to be set up to build Luanti in the usual
-manner (see the regular Luanti documentation for how to get this done).
-In addition to what is required for Luanti in general, you will need the
-following software packages. The version number in parenthesis denotes the
-version that was tested at the time this README was drafted; newer/older
-versions may or may not work.
 
-* Android SDK 29
-* Android NDK r21
-* Android Studio 3 [optional]
+In order to build, you will need the following development tools:
+
+* Java JDK
+* Android SDK
+* `gettext` command line tools
+* Android Studio [optional]
 
 Additionally, you'll need to have an Internet connection available on the
 build system, as the Android build will download some source packages.
 
 ## Build
+
 The new build system Luanti Android is fully functional and is designed to
 speed up and simplify the work, as well as adding the possibility of
 cross-platform build.
-You can use `./gradlew assemblerelease` or `./gradlew assembledebug` from the
+You can use `./gradlew assembleRelease` or `./gradlew assembleDebug` from the
 command line or use Android Studio and click the build button.
 
 When using gradlew, the newest NDK will be downloaded and installed
-automatically. Or you can create a `local.properties` file and specify
-`sdk.dir` and `ndk.dir` yourself.
+automatically. You have to create a `local.properties` file and specify
+`sdk.dir` yourself if you want to use an existing installation.
 
 * In order to make a release build you'll have to have a keystore setup to sign
   the resulting apk package. How this is done is not part of this README. There