Class AndroidRobot

src/android.ts:75–517

type AndroidDeviceType = "tv" | "mobile";

export class AndroidRobot implements Robot {

	public constructor(private deviceId: string) {
	}

	public adb(...args: string[]): Buffer {
		return execFileSync(getAdbPath(), ["-s", this.deviceId, ...args], {
			maxBuffer: MAX_BUFFER_SIZE,
			timeout: TIMEOUT,
		});
	}

	public silentAdb(...args: string[]): Buffer {
		return execFileSync(getAdbPath(), ["-s", this.deviceId, ...args], {
			maxBuffer: MAX_BUFFER_SIZE,
			timeout: TIMEOUT,
			stdio: ["pipe", "pipe", "pipe"],
		});
	}

	public getSystemFeatures(): string[] {
		return this.adb("shell", "pm", "list", "features")
			.toString()
			.split("\n")
			.map(line => line.trim())
			.filter(line => line.startsWith("feature:"))
			.map(line => line.substring("feature:".length));
	}

	public async getScreenSize(): Promise<ScreenSize> {
		const screenSize = this.adb("shell", "wm", "size")
			.toString()
			.split(" ")
			.pop();

		if (!screenSize) {
			throw new Error("Failed to get screen size");
		}

		const scale = 1;
		const [width, height] = screenSize.split("x").map(Number);
		return { width, height, scale };
	}

	public async listApps(): Promise<InstalledApp[]> {
		// only apps that have a launcher activity are returned
		return this.adb("shell", "cmd", "package", "query-activities", "-a", "android.intent.action.MAIN", "-c", "android.intent.category.LAUNCHER")
			.toString()
			.split("\n")
			.map(line => line.trim())
			.filter(line => line.startsWith("packageName="))
			.map(line => line.substring("packageName=".length))
			.filter((value, index, self) => self.indexOf(value) === index)
			.map(packageName => ({
				packageName,
				appName: packageName,
			}));
	}