Add androidTargetSdkVersion as an option to update the Android SDK (#298)

* Add androidTargetSdkVersion as an option to update the Android SDK API level

* Fix build script

* Update default value

* Add JAVA_HOME

* Use Unity_path

* Update src/model/android-versioning.test.ts

Co-authored-by: Webber Takken <webber@takken.io>

* Correct JAVA_HOME

* Use unity_path

* Update JAVA_HOME to use path found from 2020.3

* Dynamically determine JAVA_HOME

* Update path determination

Co-authored-by: Webber Takken <webber@takken.io>

action.yml

@@ -98,6 +98,10 @@ inputs:
     required: false
     default: ''
     description: 'The android keyaliasPass'
+  androidTargetSdkVersion:
+    required: false
+    default: ''
+    description: 'The android target API level.'
   customParameters:
     required: false
     default: ''

dist/default-build-script/Assets/Editor/UnityBuilderAction/Input/AndroidSettings.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using UnityEditor;
 
 namespace UnityBuilderAction.Input
@@ -16,6 +17,8 @@ namespace UnityBuilderAction.Input
         PlayerSettings.Android.keyaliasName = keyaliasName;
       if (options.TryGetValue("androidKeyaliasPass", out string keyaliasPass) && !string.IsNullOrEmpty(keyaliasPass))
         PlayerSettings.Android.keyaliasPass = keyaliasPass;
+      if (options.TryGetValue("androidTargetSdkVersion", out string androidTargetSdkVersion) && !string.IsNullOrEmpty(androidTargetSdkVersion))
+        PlayerSettings.Android.targetSdkVersion = (AndroidSdkVersions) Enum.Parse(typeof(AndroidSdkVersions), androidTargetSdkVersion);
     }
   }
 }

dist/steps/build.sh

@@ -63,14 +63,24 @@ else
 fi
 
 #
-# Create Android keystore, if needed
+# Prepare Android keystore and SDK, if needed
 #
 
-if [[ -z $ANDROID_KEYSTORE_NAME || -z $ANDROID_KEYSTORE_BASE64 ]]; then
+if [[ "$BUILD_TARGET" == "Android" && -n "$ANDROID_KEYSTORE_NAME" && -n "$ANDROID_KEYSTORE_BASE64" ]]; then
-  echo "Not creating Android keystore."
+  echo "Creating Android keystore."
-else
   echo "$ANDROID_KEYSTORE_BASE64" | base64 --decode > "$UNITY_PROJECT_PATH/$ANDROID_KEYSTORE_NAME"
   echo "Created Android keystore."
+else
+  echo "Not creating Android keystore."
+fi
+
+if [[ "$BUILD_TARGET" == "Android" && -n "$ANDROID_SDK_MANAGER_PARAMETERS" ]]; then
+  echo "Updating Android SDK with parameters: $ANDROID_SDK_MANAGER_PARAMETERS"
+  export JAVA_HOME="$(awk -F'=' '/JAVA_HOME=/{print $2}' /usr/bin/unity-editor.d/*)"
+  "$(awk -F'=' '/ANDROID_HOME=/{print $2}' /usr/bin/unity-editor.d/*)/tools/bin/sdkmanager" "$ANDROID_SDK_MANAGER_PARAMETERS"
+  echo "Updated Android SDK."
+else
+  echo "Not updating Android SDK."
 fi
 
 #
@@ -130,6 +140,7 @@ unity-editor \
   -androidKeystorePass "$ANDROID_KEYSTORE_PASS" \
   -androidKeyaliasName "$ANDROID_KEYALIAS_NAME" \
   -androidKeyaliasPass "$ANDROID_KEYALIAS_PASS" \
+  -androidTargetSdkVersion "$ANDROID_TARGET_SDK_VERSION" \
   $CUSTOM_PARAMETERS
 
 # Catch exit code

src/model/android-versioning.test.ts

@@ -28,4 +28,14 @@ describe('Android Versioning', () => {
       expect(AndroidVersioning.determineVersionCode('1.2.3', 2)).toBe(2);
     });
   });
+
+  describe('determineSdkManagerParameters', () => {
+    it('defaults to blank', () => {
+      expect(AndroidVersioning.determineSdkManagerParameters('AndroidApiLevelAuto')).toBe('');
+    });
+
+    it('uses the specified api level', () => {
+      expect(AndroidVersioning.determineSdkManagerParameters('AndroidApiLevel30')).toBe('platforms;android-30');
+    });
+  });
 });

src/model/android-versioning.ts

@@ -34,4 +34,9 @@ export default class AndroidVersioning {
     core.info(`Using android versionCode ${versionCode}`);
     return versionCode;
   }
+
+  static determineSdkManagerParameters(targetSdkVersion) {
+    const parsedVersion = Number.parseInt(targetSdkVersion.slice(-2), 10);
+    return Number.isNaN(parsedVersion) ? '' : `platforms;android-${parsedVersion}`;
+  }
 }

src/model/build-parameters.test.ts

@@ -1,5 +1,6 @@
 import Versioning from './versioning';
 import UnityVersioning from './unity-versioning';
+import AndroidVersioning from './android-versioning';
 import BuildParameters from './build-parameters';
 import Input from './input';
 import Platform from './platform';
@@ -10,6 +11,10 @@ const determineUnityVersion = jest
   .spyOn(UnityVersioning, 'determineUnityVersion')
   .mockImplementation(() => '2019.2.11f1');
 
+const determineSdkManagerParameters = jest
+  .spyOn(AndroidVersioning, 'determineSdkManagerParameters')
+  .mockImplementation(() => 'platforms;android-30');
+
 afterEach(() => {
   jest.clearAllMocks();
 });
@@ -44,6 +49,11 @@ describe('BuildParameters', () => {
       await expect(BuildParameters.create()).resolves.toEqual(expect.objectContaining({ androidVersionCode: 1003037 }));
     });
 
+    it('determines the android sdk manager parameters only once', async () => {
+      await BuildParameters.create();
+      expect(determineSdkManagerParameters).toHaveBeenCalledTimes(1);
+    });
+
     it('returns the platform', async () => {
       const mockValue = 'somePlatform';
       jest.spyOn(Input, 'targetPlatform', 'get').mockReturnValue(mockValue);
@@ -154,6 +164,14 @@ describe('BuildParameters', () => {
       );
     });
 
+    it('returns the android target sdk version', async () => {
+      const mockValue = 'AndroidApiLevelAuto';
+      jest.spyOn(Input, 'androidTargetSdkVersion', 'get').mockReturnValue(mockValue);
+      await expect(BuildParameters.create()).resolves.toEqual(
+        expect.objectContaining({ androidTargetSdkVersion: mockValue }),
+      );
+    });
+
     it('returns the custom parameters', async () => {
       const mockValue = '-profile SomeProfile -someBoolean -someValue exampleValue';
       jest.spyOn(Input, 'customParameters', 'get').mockReturnValue(mockValue);

src/model/build-parameters.ts

@@ -21,6 +21,8 @@ class BuildParameters {
   public androidKeystorePass!: string;
   public androidKeyaliasName!: string;
   public androidKeyaliasPass!: string;
+  public androidTargetSdkVersion!: string;
+  public androidSdkManagerParameters!: string;
   public customParameters!: string;
   public sshAgent!: string;
   public gitPrivateToken!: string;
@@ -43,6 +45,8 @@ class BuildParameters {
 
     const androidVersionCode = AndroidVersioning.determineVersionCode(buildVersion, Input.androidVersionCode);
 
+    const androidSdkManagerParameters = AndroidVersioning.determineSdkManagerParameters(Input.androidTargetSdkVersion);
+
     return {
       version: unityVersion,
       customImage: Input.customImage,
@@ -61,6 +65,8 @@ class BuildParameters {
       androidKeystorePass: Input.androidKeystorePass,
       androidKeyaliasName: Input.androidKeyaliasName,
       androidKeyaliasPass: Input.androidKeyaliasPass,
+      androidTargetSdkVersion: Input.androidTargetSdkVersion,
+      androidSdkManagerParameters,
       customParameters: Input.customParameters,
       sshAgent: Input.sshAgent,
       gitPrivateToken: Input.gitPrivateToken,

src/model/docker.ts

@@ -35,6 +35,8 @@ class Docker {
       androidKeystorePass,
       androidKeyaliasName,
       androidKeyaliasPass,
+      androidTargetSdkVersion,
+      androidSdkManagerParameters,
       customParameters,
       sshAgent,
       gitPrivateToken,
@@ -64,6 +66,8 @@ class Docker {
         --env ANDROID_KEYSTORE_PASS="${androidKeystorePass}" \
         --env ANDROID_KEYALIAS_NAME="${androidKeyaliasName}" \
         --env ANDROID_KEYALIAS_PASS="${androidKeyaliasPass}" \
+        --env ANDROID_TARGET_SDK_VERSION="${androidTargetSdkVersion}" \
+        --env ANDROID_SDK_MANAGER_PARAMETERS="${androidSdkManagerParameters}" \
         --env CUSTOM_PARAMETERS="${customParameters}" \
         --env CHOWN_FILES_TO="${chownFilesTo}" \
         --env GITHUB_REF \

src/model/input.test.ts

@@ -226,6 +226,19 @@ describe('Input', () => {
     });
   });
 
+  describe('androidTargetSdkVersion', () => {
+    it('returns the default value', () => {
+      expect(Input.androidTargetSdkVersion).toStrictEqual('');
+    });
+
+    it('takes input from the users workflow', () => {
+      const mockValue = 'secret';
+      const spy = jest.spyOn(core, 'getInput').mockReturnValue(mockValue);
+      expect(Input.androidTargetSdkVersion).toStrictEqual(mockValue);
+      expect(spy).toHaveBeenCalledTimes(1);
+    });
+  });
+
   describe('allowDirtyBuild', () => {
     it('returns the default value', () => {
       expect(Input.allowDirtyBuild).toStrictEqual(false);

src/model/input.ts

@@ -75,6 +75,10 @@ class Input {
     return core.getInput('androidKeyaliasPass') || '';
   }
 
+  static get androidTargetSdkVersion() {
+    return core.getInput('androidTargetSdkVersion') || '';
+  }
+
   static get allowDirtyBuild() {
     const input = core.getInput('allowDirtyBuild') || false;