home-automation: Add Android support

Author: tronical

.github/workflows/nightly_snapshot.yaml

@@ -674,6 +674,8 @@ jobs:
               run: cargo apk build -p usecases --target aarch64-linux-android --lib --release
             - name: Build material gallery
               run: cargo apk build -p material-gallery --target aarch64-linux-android --lib --release
+            - name: Build home automation demo
+              run: cargo apk build -p home-automation --target aarch64-linux-android --lib --release
             - name: "upload APK artifact"
               uses: actions/upload-artifact@v4
               with:
@@ -685,3 +687,4 @@ jobs:
                     target/release/apk/usecases_lib.apk
                     target/release/apk/usecases_lib.apk
                     target/release/apk/slint_material.apk
+                    target/release/apk/home_automation_lib.apk

demos/home-automation/rust/Cargo.toml

@@ -19,7 +19,7 @@ path = "lib.rs"
 name = "home_automation_lib"
 
 [dependencies]
-slint = { path = "../../../api/rs/slint" }
+slint = { path = "../../../api/rs/slint", features = ["backend-android-activity-06"] }
 chrono = "0.4"
 
 [features]

demos/home-automation/rust/lib.rs

@@ -48,3 +48,10 @@ pub fn main() {
 
     app.run().expect("AppWindow::run() failed");
 }
+
+#[cfg(target_os = "android")]
+#[unsafe(no_mangle)]
+fn android_main(android_app: slint::android::AndroidApp) {
+    slint::android::init(android_app).unwrap();
+    main();
+}