Function findMainActivity

src/utils/manifest.ts:8–33

(manifestPath: string)

 * Returns the fully qualified class name (e.g. "com.example.MainActivity") or null.
 */
export function findMainActivity(manifestPath: string): string | null {
    const content = fs.readFileSync(manifestPath, "utf-8");

    // Find all <activity> blocks with their intent-filters
    // We use a simple regex approach since AndroidManifest is not deeply nested
    const activityRegex =
        /<activity[^>]*android:name="([^"]+)"[^]*?<\/activity>/g;

    let match: RegExpExecArray | null;
    while ((match = activityRegex.exec(content)) !== null) {
        const block = match[0];
        const activityName = match[1];

        // Check for MAIN + LAUNCHER intent filter
        const hasMainAction = block.includes("android.intent.action.MAIN");
        const hasLauncherCategory = block.includes(
            "android.intent.category.LAUNCHER",
        );

        if (hasMainAction && hasLauncherCategory) {
            return resolveActivityName(content, activityName);
        }
    }

    return null;
}

/**
 * Resolve a potentially relative activity name to fully qualified.