Make it build for Android

gui/Cargo.toml

@@ -19,14 +19,41 @@ anyhow = "1.0.100"
 tokio = { version = "1.48.0", default-features = false, features = ["fs", "rt-multi-thread"] }
 xdg = "3.0.0"
 
+[target.'cfg(target_os = "android")'.dependencies]
+tokio = { version = "1.48.0", default-features = false, features = ["rt-multi-thread"] }
+
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 wasm-bindgen = "0.2.106"
 wasm-bindgen-futures = "0.4.56"
+web-sys = "0.3.83"
 
 [dependencies.slint]
 version = "1.14.1"
 default-features = false
-features = ["live-preview", "backend-winit-wayland", "renderer-femtovg", "compat-1-2"]
+features = [
+  "live-preview",
+  "backend-winit-wayland",
+  "renderer-femtovg",
+  "compat-1-2",
+  "backend-android-activity-06",
+]
 
 [build-dependencies]
 slint-build = "1.14.1"
+
+# See https://github.com/rust-mobile/cargo-apk?tab=readme-ov-file#manifest
+[package.metadata.android]
+package = "sh.nubo.Inkopslista"
+resources = "./android/resources"
+
+[package.metadata.android.signing.dev]
+path = "android/keystore/default.keystore"
+keystore_password = "123456"
+
+[package.metadata.android.signing.release]
+path = "android/keystore/default.keystore"
+keystore_password = "123456"
+
+[package.metadata.android.application]
+label = "Inköpslista"
+icon = "@drawable/icon"