Fixing the android path tooling

lib/signing.js

@@ -18,26 +18,34 @@ Object.defineProperty(exports, "__esModule", { value: true });
 const exec = __importStar(require("@actions/exec"));
 const core = __importStar(require("@actions/core"));
 const io = __importStar(require("@actions/io"));
+const path = __importStar(require("path"));
+const fs = __importStar(require("fs"));
 function signApkFile(apkFile, signingKeyFile, alias, keyStorePassword, keyPassword) {
     return __awaiter(this, void 0, void 0, function* () {
         core.debug("Zipaligning APK file");
         // Find zipalign executable
-        const zipAlignPath = yield io.which('zipalign', true);
+        const buildToolsVersion = process.env.BUILD_TOOLS_VERSION || '29.0.2';
-        core.debug(`Found 'zipalign' @ ${zipAlignPath}`);
+        const androidHome = process.env.ANDROID_HOME;
+        const buildTools = path.join(androidHome, `build-tools/${buildToolsVersion}`);
+        if (!fs.existsSync(buildTools)) {
+            core.error(`Couldnt find the Android build tools @ ${buildTools}`);
+        }
+        const zipAlign = path.join(buildTools, 'zipalign');
+        core.debug(`Found 'zipalign' @ ${zipAlign}`);
         // Align the apk file
         const alignedApkFile = apkFile.replace('.apk', '-aligned.apk');
-        yield exec.exec(`"${zipAlignPath}"`, [
+        yield exec.exec(`"${zipAlign}"`, [
             '-v', '-p 4',
             apkFile,
             alignedApkFile
         ]);
         core.debug("Signing APK file");
         // find apksigner path
-        const apkSignerPath = yield io.which('apksigner', true);
+        const apkSigner = path.join(buildTools, 'apksigner');
-        core.debug(`Found 'apksigner' @ ${apkSignerPath}`);
+        core.debug(`Found 'apksigner' @ ${apkSigner}`);
         // apksigner sign --ks my-release-key.jks --out my-app-release.apk my-app-unsigned-aligned.apk
         const signedApkFile = apkFile.replace('.apk', '-signed.apk');
-        yield exec.exec(`"${apkSignerPath}"`, [
+        yield exec.exec(`"${apkSigner}"`, [
             'sign',
             '--ks', signingKeyFile,
             '--out', signedApkFile,

src/signing.ts

@@ -1,6 +1,8 @@
 import * as exec from '@actions/exec';
 import * as core from '@actions/core';
 import * as io from '@actions/io';
+import * as path from "path";
+import * as fs from "fs";
 
 export async function signApkFile(
     apkFile: string,
@@ -13,12 +15,19 @@ export async function signApkFile(
     core.debug("Zipaligning APK file");
 
     // Find zipalign executable
-    const zipAlignPath = await io.which('zipalign', true);
+    const buildToolsVersion = process.env.BUILD_TOOLS_VERSION || '29.0.2';
-    core.debug(`Found 'zipalign' @ ${zipAlignPath}`);
+    const androidHome = process.env.ANDROID_HOME;
+    const buildTools = path.join(androidHome!, `build-tools/${buildToolsVersion}`);
+    if (!fs.existsSync(buildTools)) {
+        core.error(`Couldnt find the Android build tools @ ${buildTools}`)
+    }
+
+    const zipAlign = path.join(buildTools, 'zipalign');
+    core.debug(`Found 'zipalign' @ ${zipAlign}`);
 
     // Align the apk file
     const alignedApkFile = apkFile.replace('.apk', '-aligned.apk');
-    await exec.exec(`"${zipAlignPath}"`, [
+    await exec.exec(`"${zipAlign}"`, [
         '-v', '-p 4',
         apkFile,
         alignedApkFile
@@ -27,12 +36,12 @@ export async function signApkFile(
     core.debug("Signing APK file");
 
     // find apksigner path
-    const apkSignerPath = await io.which('apksigner', true);
+    const apkSigner = path.join(buildTools, 'apksigner');
-    core.debug(`Found 'apksigner' @ ${apkSignerPath}`);
+    core.debug(`Found 'apksigner' @ ${apkSigner}`);
 
     // apksigner sign --ks my-release-key.jks --out my-app-release.apk my-app-unsigned-aligned.apk
     const signedApkFile = apkFile.replace('.apk', '-signed.apk');
-    await exec.exec(`"${apkSignerPath}"`, [
+    await exec.exec(`"${apkSigner}"`, [
         'sign',
         '--ks', signingKeyFile,
         '--out', signedApkFile,