egui/examples/hello_android/src/lib.rs

66 lines
1.7 KiB
Rust

#![cfg(target_os = "android")]
#![allow(rustdoc::missing_crate_level_docs)] // it's an example
use android_logger::Config;
use eframe::egui;
use log::LevelFilter;
use winit::platform::android::activity::AndroidApp;
#[no_mangle]
fn android_main(app: AndroidApp) {
// Log to android output
android_logger::init_once(Config::default().with_max_level(LevelFilter::Info));
let options = eframe::NativeOptions {
android_app: Some(app),
..Default::default()
};
eframe::run_native(
"My egui App",
options,
Box::new(|cc| {
// This gives us image support:
egui_extras::install_image_loaders(&cc.egui_ctx);
Ok(Box::<MyApp>::default())
}),
)
.unwrap()
}
struct MyApp {
name: String,
age: u32,
}
impl Default for MyApp {
fn default() -> Self {
Self {
name: "Arthur".to_owned(),
age: 42,
}
}
}
impl eframe::App for MyApp {
fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
egui::CentralPanel::default().show(ctx, |ui| {
ui.heading("My egui Application");
ui.horizontal(|ui| {
let name_label = ui.label("Your name: ");
ui.text_edit_singleline(&mut self.name)
.labelled_by(name_label.id);
});
ui.add(egui::Slider::new(&mut self.age, 0..=120).text("age"));
if ui.button("Increment").clicked() {
self.age += 1;
}
ui.label(format!("Hello '{}', age {}", self.name, self.age));
ui.image(egui::include_image!(
"../../../crates/egui/assets/ferris.png"
));
});
}
}