tryInstallAppOnDevice.ts

import execa from 'execa';
import fs from 'fs';
import {logger, CLIError} from '@react-native-community/cli-tools';

import adb from './adb';
import type {AndroidProject, Flags} from './';

function tryInstallAppOnDevice(
  args: Flags,
  adbPath: string,
  device: string,
  androidProject: AndroidProject,
  selectedTask?: string,
) {
  try {
    // "app" is usually the default value for Android apps with only 1 app
    const {appName, sourceDir} = androidProject;

    const defaultVariant = 'debug';

    // handle if selected task from interactive mode, or mode from arguments, includes build flavour as well, eg. installProductionDebug should create ['production','debug'] array
    const variantFromSelectedTask = (selectedTask ?? args.mode)
      ?.replace('install', '')
      .split(/(?=[A-Z])/);

    // create path to output file, eg. `production/debug`
    const variantPath =
      variantFromSelectedTask?.join('/')?.toLowerCase() ?? defaultVariant;
    // create output file name, eg. `production-debug`
    const variantAppName =
      variantFromSelectedTask?.join('-')?.toLowerCase() ?? defaultVariant;

    let pathToApk;
    if (!args.binaryPath) {
      const buildDirectory = `${sourceDir}/${appName}/build/outputs/apk/${variantPath}`;
      const apkFile = getInstallApkName(
        appName,
        adbPath,
        variantAppName,
        device,
        buildDirectory,
      );
      pathToApk = `${buildDirectory}/${apkFile}`;
    } else {
      pathToApk = args.binaryPath;
    }

    const installArgs = ['-s', device, 'install', '-r', '-d'];
    if (args.user !== undefined) {
      installArgs.push('--user', `${args.user}`);
    }
    const adbArgs = [...installArgs, pathToApk];
    logger.info(`Installing the app on the device "${device}"...`);
    logger.debug(`Running command "cd android && adb ${adbArgs.join(' ')}"`);
    execa.sync(adbPath, adbArgs, {stdio: 'inherit'});
  } catch (error) {
    throw new CLIError(
      'Failed to install the app on the device.',
      error as any,
    );
  }
}

function getInstallApkName(
  appName: string,
  adbPath: string,
  variant: string,
  device: string,
  buildDirectory: string,
) {
  const availableCPUs = adb.getAvailableCPUs(adbPath, device);

  // check if there is an apk file like app-armeabi-v7a-debug.apk
  for (const availableCPU of availableCPUs.concat('universal')) {
    const apkName = `${appName}-${availableCPU}-${variant}.apk`;
    if (fs.existsSync(`${buildDirectory}/${apkName}`)) {
      return apkName;
    }
  }

  // check if there is a default file like app-debug.apk
  const apkName = `${appName}-${variant}.apk`;
  if (fs.existsSync(`${buildDirectory}/${apkName}`)) {
    return apkName;
  }

  throw new Error('Could not find the correct install APK file.');
}

export default tryInstallAppOnDevice;