Use http for the fetching example

flutter_ffi_plugin/example/native/hub/src/sample_functions.rs

@@ -144,7 +144,7 @@ pub async fn run_debug_tests() {
     crate::debug_print!("System time: {current_time}");
 
     // Fetch data from a web API.
-    let url = "https://jsonplaceholder.typicode.com/todos/1";
+    let url = "http://jsonplaceholder.typicode.com/todos/1";
     let web_response = sample_crate::fetch_from_web_api(url).await;
     crate::debug_print!("Response from a web API: {web_response}");
 

flutter_ffi_plugin/example/native/sample_crate/Cargo.toml

@@ -6,10 +6,8 @@ edition = "2021"
 [target.'cfg(any(target_os = "windows", target_os = "macos", target_os = "linux"))'.dependencies]
 machineid-rs = "1.2.4"
 
-[target.'cfg(not(any(target_os = "android")))'.dependencies]
-reqwest = "0.11.22"
-
 [dependencies]
 num = "0.4"
 image = "0.24.3"
 chrono = "0.4.31"
+reqwest = { version = "0.11.22", default-features = false }

flutter_ffi_plugin/example/native/sample_crate/src/lib.rs

@@ -35,18 +35,7 @@ pub fn get_current_time() -> DateTime<offset::Local> {
 }
 
 // `reqwest` supports all platforms, including web.
-// However, compiling it for Android on Windows can be challenging
-// due to its dependency on the `openssl-sys` crate,
-// which requires the corresponding C library to be installed on the system.
-// Compiling `reqwest` for Android is possible with the right system setup,
-// but it's intentionally disabled in our sample crate
-// to ensure that the example app 'just works'.
-
-#[cfg(any(target_os = "android"))]
-pub async fn fetch_from_web_api(url: &str) -> String {
-    String::from("API fetching is disabled on this platform.")
-}
-#[cfg(not(any(target_os = "android")))]
+
 pub async fn fetch_from_web_api(url: &str) -> String {
     reqwest::get(url)
         .await