zng_view/
platform.rs

1//! Platform specific types.
2
3/// Android backend.
4///
5/// See [`winit::platform::android`](https://docs.rs/winit/latest/winit/platform/android/) for more details
6/// on how to select a backend "Activity".
7#[cfg(target_os = "android")]
8pub mod android {
9    pub use winit::platform::android::activity;
10
11    #[cfg(target_os = "android")]
12    static ANDROID_APP: parking_lot::RwLock<Option<activity::AndroidApp>> = parking_lot::RwLock::new(None);
13
14    /// Sets the [`android_app`] instance for this process and the Android paths.
15    ///
16    /// This must be called just after `zng::env::init!` and before `run_same_process*`.
17    #[cfg(target_os = "android")]
18    pub fn init_android_app(app: activity::AndroidApp) {
19        let internal = app.internal_data_path().unwrap_or_default();
20        let external = app.external_data_path().unwrap_or_default();
21        zng_env::init_android_paths(internal, external);
22        *ANDROID_APP.write() = Some(app);
23    }
24
25    /// Gets the `AndroidApp` instance for this process.
26    ///
27    /// Panics if called before [`init_android_app`].
28    #[cfg(target_os = "android")]
29    pub fn android_app() -> activity::AndroidApp {
30        ANDROID_APP
31            .read()
32            .clone()
33            .expect("android_app is only available after `init_android_app` call")
34    }
35}
zng_view/platform.rs

zng_view/
platform.rs
