Fix emulator port issue by removing explicit port assignment

- Remove default port from action.yml to avoid forcing port 5554
- Allow emulator to auto-assign port instead of explicit -port parameter
- Keep default port for ADB commands but don't force emulator port

Author: katie-managexr

action.yml

@@ -41,7 +41,6 @@ inputs:
     default: '600'
   emulator-port:
     description: 'Port to run emulator on, allows to run multiple emulators on the same physical machine'
-    default: '5554'
   emulator-options:
     description: 'command-line options used when launching the emulator - e.g. `-no-window -no-snapshot -camera-back emulated`'
     default: '-no-window -gpu swiftshader_indirect -no-snapshot -noaudio -no-boot-anim'

lib/emulator-manager.js

@@ -72,7 +72,7 @@ function launchEmulator(systemImageApiLevel, target, arch, profile, cores, ramSi
             }
             // start emulator
             console.log('Starting emulator.');
-            yield exec.exec(`sh -c \\"${process.env.ANDROID_HOME}/emulator/emulator -port ${port} -avd "${avdName}" ${emulatorOptions} &"`, [], {
+            yield exec.exec(`sh -c \\"${process.env.ANDROID_HOME}/emulator/emulator -avd "${avdName}" ${emulatorOptions} &"`, [], {
                 listeners: {
                     stderr: (data) => {
                         if (data.toString().includes('invalid command-line parameter')) {

lib/main.js

@@ -108,9 +108,16 @@ function run() {
             const emulatorBootTimeout = parseInt(core.getInput('emulator-boot-timeout'), 10);
             console.log(`Emulator boot timeout: ${emulatorBootTimeout}`);
             // Emulator port to use
-            port = parseInt(core.getInput('emulator-port'), 10);
-            (0, input_validator_1.checkPort)(port);
-            console.log(`emulator port: ${port}`);
+            const emulatorPortInput = core.getInput('emulator-port');
+            if (emulatorPortInput) {
+                port = parseInt(emulatorPortInput, 10);
+                (0, input_validator_1.checkPort)(port);
+                console.log(`emulator port: ${port}`);
+            }
+            else {
+                port = input_validator_1.MIN_PORT; // Use default port when none specified
+                console.log(`emulator port: ${port} (default)`);
+            }
             // emulator options
             const emulatorOptions = core.getInput('emulator-options').trim();
             console.log(`emulator options: ${emulatorOptions}`);

src/emulator-manager.ts

@@ -66,7 +66,7 @@ export async function launchEmulator(
     // start emulator
     console.log('Starting emulator.');
 
-    await exec.exec(`sh -c \\"${process.env.ANDROID_HOME}/emulator/emulator -port ${port} -avd "${avdName}" ${emulatorOptions} &"`, [], {
+    await exec.exec(`sh -c \\"${process.env.ANDROID_HOME}/emulator/emulator -avd "${avdName}" ${emulatorOptions} &"`, [], {
       listeners: {
         stderr: (data: Buffer) => {
           if (data.toString().includes('invalid command-line parameter')) {

src/main.ts

@@ -101,9 +101,15 @@ async function run() {
     console.log(`Emulator boot timeout: ${emulatorBootTimeout}`);
 
     // Emulator port to use
-    port = parseInt(core.getInput('emulator-port'), 10);
-    checkPort(port);
-    console.log(`emulator port: ${port}`);
+    const emulatorPortInput = core.getInput('emulator-port');
+    if (emulatorPortInput) {
+      port = parseInt(emulatorPortInput, 10);
+      checkPort(port);
+      console.log(`emulator port: ${port}`);
+    } else {
+      port = MIN_PORT; // Use default port when none specified
+      console.log(`emulator port: ${port} (default)`);
+    }
 
     // emulator options
     const emulatorOptions = core.getInput('emulator-options').trim();