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Experimental Android support for eframe
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| Original file line number | Diff line number | Diff line change |
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| [package] | ||
| name = "hello_android" | ||
| version = "0.1.0" | ||
| authors = ["Emil Ernerfeldt <emil.ernerfeldt@gmail.com>"] | ||
| license = "MIT OR Apache-2.0" | ||
| edition = "2021" | ||
| rust-version = "1.76" | ||
| publish = false | ||
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| # `unsafe_code` is required for `#[no_mangle]`, disable workspace lints to workaround lint error. | ||
| # [lints] | ||
| # workspace = true | ||
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| [lib] | ||
| crate-type = ["cdylib"] | ||
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| [dependencies] | ||
| eframe = { workspace = true, features = [ | ||
| "default", | ||
| "android-native-activity", | ||
| ] } | ||
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| # For image support: | ||
| egui_extras = { workspace = true, features = ["default", "image"] } | ||
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| log = { workspace = true } | ||
| winit = { workspace = true } | ||
| android_logger = "0.14" | ||
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| [package.metadata.android] | ||
| build_targets = [ "armv7-linux-androideabi", "aarch64-linux-android" ] |
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| Hello world example for Android. | ||
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| Use `cargo-apk` to build and run. Requires a patch to workaround [an upstream bug](https://github.com/rust-mobile/cargo-subcommand/issues/29). | ||
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| One-time setup: | ||
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| ```sh | ||
| cargo install \ | ||
| --git https://github.com/parasyte/cargo-apk.git \ | ||
| --rev 282639508eeed7d73f2e1eaeea042da2716436d5 \ | ||
| cargo-apk | ||
| ``` | ||
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| Build and run: | ||
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| ```sh | ||
| cargo apk run -p hello_android | ||
| ``` | ||
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|  |
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| @@ -0,0 +1,65 @@ | ||
| #![cfg(target_os = "android")] | ||
| #![allow(rustdoc::missing_crate_level_docs)] // it's an example | ||
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| use android_logger::Config; | ||
| use eframe::egui; | ||
| use log::LevelFilter; | ||
| use winit::platform::android::activity::AndroidApp; | ||
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| #[no_mangle] | ||
| fn android_main(app: AndroidApp) { | ||
| // Log to android output | ||
| android_logger::init_once(Config::default().with_max_level(LevelFilter::Info)); | ||
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| 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); | ||
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| Ok(Box::<MyApp>::default()) | ||
| }), | ||
| ) | ||
| .unwrap() | ||
| } | ||
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| struct MyApp { | ||
| name: String, | ||
| age: u32, | ||
| } | ||
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| impl Default for MyApp { | ||
| fn default() -> Self { | ||
| Self { | ||
| name: "Arthur".to_owned(), | ||
| age: 42, | ||
| } | ||
| } | ||
| } | ||
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| 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)); | ||
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| ui.image(egui::include_image!( | ||
| "../../../crates/egui/assets/ferris.png" | ||
| )); | ||
| }); | ||
| } | ||
| } |