Errors trying to compile examples/hello_world for Android #1896

paulotten · 2022-08-09T22:56:47Z

Describe the bug

See 7ba710e

Trying to compile examples/hello_world for Android I get the following errors:

PS C:\coding\rust\egui\examples\hello_world> cargo apk run --lib
   Compiling arboard v2.1.1
   Compiling glutin v0.28.0
error[E0433]: failed to resolve: use of undeclared type `PlatformClipboard`
  --> C:\Users\Main\.cargo\registry\src\jackfan.us.kg-1ecc6299db9ec823\arboard-2.1.1\src\lib.rs:69:28
   |
69 |         Ok(Clipboard { platform: PlatformClipboard::new()? })
   |                                  ^^^^^^^^^^^^^^^^^ use of undeclared type `PlatformClipboard`

error[E0412]: cannot find type `PlatformClipboard` in this scope
  --> C:\Users\Main\.cargo\registry\src\jackfan.us.kg-1ecc6299db9ec823\arboard-2.1.1\src\lib.rs:63:23
   |
63 |     pub(crate) platform: PlatformClipboard,
   |                          ^^^^^^^^^^^^^^^^^ not found in this scope

Some errors have detailed explanations: E0412, E0433.
For more information about an error, try `rustc --explain E0412`.
error: could not compile `arboard` due to 2 previous errors
warning: build failed, waiting for other jobs to finish...
error[E0599]: no method named `set_suspend_callback` found for reference `&EventLoopWindowTarget<T>` in the current scope
  --> C:\Users\Main\.cargo\registry\src\jackfan.us.kg-1ecc6299db9ec823\glutin-0.28.0\src\api\android\mod.rs:76:12
   |
76 |         el.set_suspend_callback(Some(Box::new(move |suspended| {
   |            ^^^^^^^^^^^^^^^^^^^^ method not found in `&EventLoopWindowTarget<T>`

error[E0615]: attempted to take value of method `SwapBuffersWithDamageKHR` on type `&api::egl::egl::Egl`
   --> C:\Users\Main\.cargo\registry\src\jackfan.us.kg-1ecc6299db9ec823\glutin-0.28.0\src\api\egl\mod.rs:621:17
    |
621 |         if !egl.SwapBuffersWithDamageKHR.is_loaded() {
    |                 ^^^^^^^^^^^^^^^^^^^^^^^^ method, not a field
    |
help: use parentheses to call the method
    |
621 |         if !egl.SwapBuffersWithDamageKHR(_, _, _, _).is_loaded() {
    |                                         ++++++++++++

error[E0615]: attempted to take value of method `SwapBuffersWithDamageKHR` on type `&api::egl::egl::Egl`
   --> C:\Users\Main\.cargo\registry\src\jackfan.us.kg-1ecc6299db9ec823\glutin-0.28.0\src\api\egl\mod.rs:664:13
    |
664 |         egl.SwapBuffersWithDamageKHR.is_loaded()
    |             ^^^^^^^^^^^^^^^^^^^^^^^^ method, not a field
    |
help: use parentheses to call the method
    |
664 |         egl.SwapBuffersWithDamageKHR(_, _, _, _).is_loaded()
    |                                     ++++++++++++

Some errors have detailed explanations: E0599, E0615.
For more information about an error, try `rustc --explain E0599`.
error: could not compile `glutin` due to 3 previous errors
Error: Command `cargo build --target aarch64-linux-android --lib` had a non-zero exit code.

To Reproduce
Steps to reproduce the behavior:

Checkout https://github.com/paulotten/egui/tree/android

Follow Android steps in https://github.com/paulotten/egui/blob/android/examples/hello_world/README.md

Expected behavior

Code compiles.

Screenshots

See output above.

Desktop (please complete the following information):

OS: Compiling for Android from Windows

The text was updated successfully, but these errors were encountered:

paulotten · 2022-08-09T23:03:55Z

   Compiling arboard v2.1.1
[...]
error[E0433]: failed to resolve: use of undeclared type `PlatformClipboard`
  --> C:\Users\Main\.cargo\registry\src\jackfan.us.kg-1ecc6299db9ec823\arboard-2.1.1\src\lib.rs:69:28
   |
69 |         Ok(Clipboard { platform: PlatformClipboard::new()? })
   |                                  ^^^^^^^^^^^^^^^^^ use of undeclared type `PlatformClipboard`

error[E0412]: cannot find type `PlatformClipboard` in this scope
  --> C:\Users\Main\.cargo\registry\src\jackfan.us.kg-1ecc6299db9ec823\arboard-2.1.1\src\lib.rs:63:23
   |
63 |     pub(crate) platform: PlatformClipboard,
   |                          ^^^^^^^^^^^^^^^^^ not found in this scope

Some errors have detailed explanations: E0412, E0433.
For more information about an error, try `rustc --explain E0412`.
error: could not compile `arboard` due to 2 previous errors

These errors appear to be related to 1Password/arboard#56. I seems like arboard doesn't provide clipboard support on Android.

I can get rid of these errors by disabling the clipboard feature for eframe when compiling for Android. paulotten@68cdf23

paulotten · 2022-08-09T23:10:30Z

   Compiling glutin v0.28.0
[...]
error[E0599]: no method named `set_suspend_callback` found for reference `&EventLoopWindowTarget<T>` in the current scope
  --> C:\Users\Main\.cargo\registry\src\jackfan.us.kg-1ecc6299db9ec823\glutin-0.28.0\src\api\android\mod.rs:76:12
   |
76 |         el.set_suspend_callback(Some(Box::new(move |suspended| {
   |            ^^^^^^^^^^^^^^^^^^^^ method not found in `&EventLoopWindowTarget<T>`

error[E0615]: attempted to take value of method `SwapBuffersWithDamageKHR` on type `&api::egl::egl::Egl`
   --> C:\Users\Main\.cargo\registry\src\jackfan.us.kg-1ecc6299db9ec823\glutin-0.28.0\src\api\egl\mod.rs:621:17
    |
621 |         if !egl.SwapBuffersWithDamageKHR.is_loaded() {
    |                 ^^^^^^^^^^^^^^^^^^^^^^^^ method, not a field
    |
help: use parentheses to call the method
    |
621 |         if !egl.SwapBuffersWithDamageKHR(_, _, _, _).is_loaded() {
    |                                         ++++++++++++

error[E0615]: attempted to take value of method `SwapBuffersWithDamageKHR` on type `&api::egl::egl::Egl`
   --> C:\Users\Main\.cargo\registry\src\jackfan.us.kg-1ecc6299db9ec823\glutin-0.28.0\src\api\egl\mod.rs:664:13
    |
664 |         egl.SwapBuffersWithDamageKHR.is_loaded()
    |             ^^^^^^^^^^^^^^^^^^^^^^^^ method, not a field
    |
help: use parentheses to call the method
    |
664 |         egl.SwapBuffersWithDamageKHR(_, _, _, _).is_loaded()
    |                                     ++++++++++++

Some errors have detailed explanations: E0599, E0615.
For more information about an error, try `rustc --explain E0599`.
error: could not compile `glutin` due to 3 previous errors

These errors appear to be related to rust-windowing/glutin#1307. The fix for this was merged in May and should be included in glutin 0.29.0. Currently eframe is using glutin 0.28.0. So it looks like an update is needed.

paulotten · 2022-08-09T23:32:05Z

Updating to glutin = { version = "0.29.0" } results in the following error when building for Windows

   Compiling glutin v0.29.0
error[E0425]: cannot find value `BUFFER_AGE_EXT` in module `ffi::egl`
   --> C:\Users\Main\.cargo\registry\src\jackfan.us.kg-1ecc6299db9ec823\glutin-0.29.0\src\api\egl\mod.rs:584:27
    |
584 |                 ffi::egl::BUFFER_AGE_EXT as i32,
    |                           ^^^^^^^^^^^^^^ not found in `ffi::egl`

For more information about this error, try `rustc --explain E0425`.
error: could not compile `glutin` due to previous error

rust-windowing/glutin#1436 appears related, though possibly lacking a satisfactory solution.

paulotten · 2022-08-10T01:32:01Z

Updating to glutin = { version = "0.29.0" } results in the following error when building for Windows

   Compiling glutin v0.29.0
error[E0425]: cannot find value `BUFFER_AGE_EXT` in module `ffi::egl`
   --> C:\Users\Main\.cargo\registry\src\jackfan.us.kg-1ecc6299db9ec823\glutin-0.29.0\src\api\egl\mod.rs:584:27
    |
584 |                 ffi::egl::BUFFER_AGE_EXT as i32,
    |                           ^^^^^^^^^^^^^^ not found in `ffi::egl`

For more information about this error, try `rustc --explain E0425`.
error: could not compile `glutin` due to previous error

rust-windowing/glutin#1436 appears related, though possibly lacking a satisfactory solution.

I've created a PR for glutin.

For now I can work around this by updating glutin_egl_sys to 0.1.6 in Cargo.lock.

More errors now (still building for Windows):

   Compiling eframe v0.18.0 (C:\coding\rust\egui\eframe)
error[E0308]: mismatched types
  --> eframe\src\native\run.rs:44:29
   |
44 |             .build_windowed(window_builder, event_loop)
   |                             ^^^^^^^^^^^^^^ expected struct `glutin::window::WindowBuilder`, found struct `winit::window::WindowBuilder`
   |
   = note: perhaps two different versions of crate `winit` are being used?

error[E0308]: mismatched types
  --> eframe\src\native\run.rs:44:45
   |
44 |             .build_windowed(window_builder, event_loop)
   |                                             ^^^^^^^^^^ expected struct `glutin::event_loop::EventLoopWindowTarget`, found struct `winit::event_loop::EventLoop`
   |
   = note: expected reference `&glutin::event_loop::EventLoopWindowTarget<_>`
              found reference `&winit::event_loop::EventLoop<run::RequestRepaintEvent>`

error[E0308]: mismatched types
   --> eframe\src\native\run.rs:236:17
    |
236 |                 gl_window.window(),
    |                 ^^^^^^^^^^^^^^^^^^ expected struct `winit::window::Window`, found struct `glutin::window::Window`
    |
    = note: expected reference `&winit::window::Window`
               found reference `&glutin::window::Window`
    = note: perhaps two different versions of crate `winit` are being used?

error[E0308]: mismatched types
   --> eframe\src\native\run.rs:263:51
    |
263 |                 integration.warm_up(app.as_mut(), gl_window.window());
    |                                                   ^^^^^^^^^^^^^^^^^^ expected struct `winit::window::Window`, found struct `glutin::window::Window`
    |
    = note: expected reference `&winit::window::Window`
               found reference `&glutin::window::Window`
    = note: perhaps two different versions of crate `winit` are being used?

error[E0308]: mismatched types
   --> eframe\src\native\run.rs:287:13
    |
286 |         fn window(&self) -> &winit::window::Window {
    |                             ---------------------- expected `&winit::window::Window` because of return type
287 |             self.gl_window.window()
    |             ^^^^^^^^^^^^^^^^^^^^^^^ expected struct `winit::window::Window`, found struct `glutin::window::Window`
    |
    = note: expected reference `&winit::window::Window`
               found reference `&glutin::window::Window`
    = note: perhaps two different versions of crate `winit` are being used?

error[E0308]: mismatched types
   --> eframe\src\native\run.rs:292:39
    |
292 |                 .save(&mut *self.app, self.gl_window.window());
    |                                       ^^^^^^^^^^^^^^^^^^^^^^^ expected struct `winit::window::Window`, found struct `glutin::window::Window`
    |
    = note: expected reference `&winit::window::Window`
               found reference `&glutin::window::Window`
    = note: perhaps two different versions of crate `winit` are being used?

error[E0308]: mismatched types
   --> eframe\src\native\run.rs:325:50
    |
325 |             } = integration.update(app.as_mut(), window);
    |                                                  ^^^^^^ expected struct `winit::window::Window`, found struct `glutin::window::Window`
    |
    = note: expected reference `&winit::window::Window`
               found reference `&glutin::window::Window`
    = note: perhaps two different versions of crate `winit` are being used?

error[E0308]: mismatched types
   --> eframe\src\native\run.rs:327:48
    |
327 |             integration.handle_platform_output(window, platform_output);
    |                                                ^^^^^^ expected struct `winit::window::Window`, found struct `glutin::window::Window`
    |
    = note: expected reference `&winit::window::Window`
               found reference `&glutin::window::Window`
    = note: perhaps two different versions of crate `winit` are being used?

error[E0308]: mismatched types
   --> eframe\src\native\run.rs:341:54
    |
341 |             integration.post_rendering(app.as_mut(), window);
    |                                                      ^^^^^^ expected struct `winit::window::Window`, found struct `glutin::window::Window`
    |
    = note: expected reference `&winit::window::Window`
               found reference `&glutin::window::Window`
    = note: perhaps two different versions of crate `winit` are being used?

error[E0308]: mismatched types
   --> eframe\src\native\run.rs:365:54
    |
365 |             integration.maybe_autosave(app.as_mut(), window);
    |                                                      ^^^^^^ expected struct `winit::window::Window`, found struct `glutin::window::Window`
    |
    = note: expected reference `&winit::window::Window`
               found reference `&glutin::window::Window`
    = note: perhaps two different versions of crate `winit` are being used?

error[E0308]: mismatched types
   --> eframe\src\native\run.rs:392:55
    |
392 | ...                   self.gl_window.resize(*physical_size);
    |                                             ^^^^^^^^^^^^^^ expected struct `glutin::dpi::PhysicalSize`, found struct `winit::dpi::PhysicalSize`
    |
    = note: expected struct `glutin::dpi::PhysicalSize<u32>`
               found struct `winit::dpi::PhysicalSize<u32>`
    = note: perhaps two different versions of crate `winit` are being used?

error[E0308]: mismatched types
   --> eframe\src\native\run.rs:398:51
    |
398 | ...                   self.gl_window.resize(**new_inner_size);
    |                                             ^^^^^^^^^^^^^^^^ expected struct `glutin::dpi::PhysicalSize`, found struct `winit::dpi::PhysicalSize`
    |
    = note: expected struct `glutin::dpi::PhysicalSize<u32>`
               found struct `winit::dpi::PhysicalSize<u32>`
    = note: perhaps two different versions of crate `winit` are being used?

For more information about this error, try `rustc --explain E0308`.
error: could not compile `eframe` due to 12 previous errors

paulotten · 2022-08-10T01:37:33Z

note: perhaps two different versions of crate winit are being used?

rustc may to be right on this. https://crates.io/crates/glutin/0.29.0/dependencies reports winit ^0.27.1. https://crates.io/crates/eframe/0.18.0/dependencies reports ^0.26.1.

paulotten · 2022-08-10T01:58:23Z

Updating winit to 0.27.1 get me compiling successfully for both Windows and Android!

On Android I'm just getting a black screen when the app runs though.

I've also picked up a deprecated warning.

warning: use of deprecated associated function `winit::event_loop::EventLoop::<T>::with_user_event`: Use `EventLoopBuilder::<T>::with_user_event().build()` instead.
   --> eframe\src\native\run.rs:427:37
    |
427 |         let event_loop = EventLoop::with_user_event();
    |                                     ^^^^^^^^^^^^^^^
    |
    = note: `#[warn(deprecated)]` on by default

warning: `eframe` (lib) generated 1 warning

I'll look into both of these more.

paulotten · 2022-08-10T02:00:39Z

So I seem to be duplicating #1877. Maybe I should wait on that?

paulotten · 2022-08-10T02:06:21Z

I've also picked up a deprecated warning.

Fixed. d9d4f7e

paulotten · 2022-08-10T15:31:10Z

On Android I'm just getting a black screen when the app runs though.

adb shows the following error:

08-10 11:08:53.546 25253 25293 I RustStdoutStderr: thread '<unnamed>' panicked at 'Cannot get the native window, it's null and will always be null before Event::Resumed and after Event::Suspended. Make sure you only call this function between those events.', C:\Users\Main\.cargo\registry\src\jackfan.us.kg-1ecc6299db9ec823\winit-0.27.1\src\platform_impl\android\mod.rs:840:13

MarijnS95 · 2024-01-10T20:04:28Z

This looks like a stale issue now that upstream glutin has been fixed for Android (and also completely refactored to be more suitable) :)

paulotten added the bug Something is broken label Aug 9, 2022

paulotten mentioned this issue Aug 9, 2022

BUFFER_AGE_EXT not found in module ffi::egl rust-windowing/glutin#1436

Closed

paulotten mentioned this issue Aug 10, 2022

Update to winit 0.27.1 and glutin 0.29.0 #1877

Closed

emilk added the android label Jan 11, 2024

emilk closed this as completed Jan 11, 2024

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Errors trying to compile examples/hello_world for Android #1896

Errors trying to compile examples/hello_world for Android #1896

paulotten commented Aug 9, 2022 •

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MarijnS95 commented Jan 10, 2024

Errors trying to compile examples/hello_world for Android #1896

Errors trying to compile examples/hello_world for Android #1896

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