INNER CODE UNIT · Rust

Err

jub0t/Concat · src/crates/concat-android/src/lib.rs:142

            if let Err(error) = pick(&app) {
                log::error!("could not show the document picker: {error}");
                if let Some(pending) = PENDING.lock().ok().and_then(|mut slot| slot.take()) {
                    pending(Vec::new());
                }
            }
        }));
    }

    fn pick(app: &AndroidApp) -> jni::errors::Result<()> {
        // SAFETY: the pointer is the activity's JavaVM, live for the
        // process; `from_raw` also seeds `JavaVM::singleton`, which the
        // native callback below reaches for.
        let vm = unsafe { JavaVM::from_raw(app.vm_as_ptr().cast()) };
        vm.attach_current_thread(|env| {
            // SAFETY: the activity pointer is a live reference the app
            // holds for as long as it runs; it is only read here.
            let activity = unsafe { JObject::from_raw(env, app.activity_as_ptr().cast()) };

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