Troubleshooting

crates/scaffold-tauri-app/templates/end-user-happ/src-tauri/src/lib.rs.hbs

@@ -87,13 +87,9 @@ async fn setup(handle: AppHandle) -> anyhow::Result<()> {
 }
 
 fn internal_ip() -> String {
-    if cfg!(mobile) {
-        std::option_env!("INTERNAL_IP")
-            .expect("Environment variable INTERNAL_IP was not set")
-            .to_string()
-    } else {
-        String::from("localhost")
-    }
+    std::option_env!("INTERNAL_IP")
+        .expect("Environment variable INTERNAL_IP was not set")
+        .to_string()
 }
 
 fn bootstrap_url() -> Url2 {

docs/documentation/troubleshooting.md

@@ -40,6 +40,41 @@ pnpm tauri icon <PATH_TO_YOUR_ICON_IN_PNG_FORMAT>
 ```
 :::
 
+### `Error Have you installed the Android SDK?` 
+
+If you get this error:
+
+```
+Error Have you installed the Android SDK? The `ANDROID_HOME` environment variable isn't set, and is required: environment variable not found: environment variable not found
+npm run tauri android dev exited with code 1
+```
+
+It means you are trying to run your app in an Android device, but you are not inside your `androidDev` devShell, which is the one that includes the Android development environment and tooling.
+
+Enter the `androidDev` devShell with:
+
+```bash
+nix develop .#androidDev
+```
+
+And try again.
+
+### `Error Android Studio project directory src-tauri/gen/android doesn't exist.`
+
+If you get this error: 
+
+```
+ Error Android Studio project directory src-tauri/gen/android doesn't exist. Please run `tauri android init` and try again.
+```
+
+It means you haven't initialized your project for Android developm̀ent yet. You can do so by running:
+
+```bash
+npm run tauri android init
+```
+
+And then try running your command again.
+
 ## NixOS Issues
 
 ### Connect to devices