Update Gradle version; fix deprecation warnings

Author: simonrob

.idea/compiler.xml

@@ -71,12 +71,19 @@ dependencies {
 	//noinspection GradleDependency - upgrading to 1.12.0 and beyond requires API 19; we want to keep a lower minimum
 	implementation 'com.google.android.material:material:1.11.0' // for overall UI appearance
 	//noinspection GradleDependency - upgrading to 1.4.0 and beyond requires API 21; we want to keep a lower minimum
-	implementation 'androidx.exifinterface:exifinterface:1.3.7' // for auto-selection of export resolution
+	implementation 'androidx.exifinterface:exifinterface:1.3.7'
+	// for auto-selection of export resolution
 	//noinspection GradleDependency - upgrading to 1.13.0 and beyond requires API 19; we want to keep a lower minimum
 	implementation 'androidx.core:core:1.12.0' // for FileProvider
+	//noinspection GradleDependency - upgrading to 1.1.0 and beyond requires API 21; we want to keep a lower minimum
 	implementation 'androidx.documentfile:documentfile:1.0.1' // for Storage Access Framework
 
 	androidTestImplementation 'androidx.test.espresso:espresso-core:3.6.1'
 	androidTestImplementation 'androidx.test.ext:junit:1.2.1'
 	androidTestImplementation 'androidx.test.uiautomator:uiautomator:2.3.0'
 }
+java {
+	toolchain {
+		languageVersion = JavaLanguageVersion.of(17)
+	}
+}

.idea/misc.xml

@@ -7,7 +7,7 @@ buildscript {
 	dependencies {
 		// distributionSha256Sum in gradle-wrapper.properties is also required for F-Droid (see distributionUrl version number)
 		// see: https://gradle.org/release-checksums/
-		classpath 'com.android.tools.build:gradle:8.9.1'
+		classpath 'com.android.tools.build:gradle:8.10.0'
 	}
 }
 
@@ -26,5 +26,5 @@ allprojects {
 }
 
 tasks.register('clean', Delete) {
-	delete rootProject.buildDir
+	delete rootProject.layout.buildDirectory
 }