Add option to modify the number of cores

src/emulator-manager.ts

@@ -10,6 +10,7 @@ export async function launchEmulator(
   target: string,
   arch: string,
   profile: string,
+  cores: string,
   sdcardPathOrSize: string,
   avdName: string,
   emulatorOptions: string,
@@ -23,6 +24,10 @@ export async function launchEmulator(
     `sh -c \\"echo no | avdmanager create avd --force -n "${avdName}" --abi '${target}/${arch}' --package 'system-images;android-${apiLevel};${target};${arch}' ${profileOption} ${sdcardPathOrSizeOption}"`
   );
 
+  if (cores) {
+    await exec.exec(`sh -c \\"printf 'hw.cpu.ncore=${cores}\n' >> ~/.android/avd/"${avdName}".avd"/config.ini`);
+  }
+
   // start emulator
   console.log('Starting emulator.');
 

src/main.ts

@@ -39,6 +39,10 @@ async function run() {
     const profile = core.getInput('profile');
     console.log(`Hardware profile: ${profile}`);
 
+    // Number of cores to use for emulator
+    const cores = core.getInput('cores');
+    console.log(`Cores: ${cores}`);
+
     // SD card path or size used for creating the AVD
     const sdcardPathOrSize = core.getInput('sdcard-path-or-size');
     console.log(`SD card path or size: ${sdcardPathOrSize}`);
@@ -98,7 +102,7 @@ async function run() {
     await installAndroidSdk(apiLevel, target, arch, emulatorBuild, ndkVersion, cmakeVersion);
 
     // launch an emulator
-    await launchEmulator(apiLevel, target, arch, profile, sdcardPathOrSize, avdName, emulatorOptions, disableAnimations);
+    await launchEmulator(apiLevel, target, arch, profile, cores, sdcardPathOrSize, avdName, emulatorOptions, disableAnimations);
 
     // execute the custom script
     try {