feat: list installed avd and connected devices (#66)

Author: itsspriyansh

src/commands/android/constants.ts

@@ -42,6 +42,17 @@ export const AVAILABLE_SUBCOMMANDS: AvailableSubcommands = {
       }
     ]
   },
+  list: {
+    description: 'List connected devices or installed AVDs',
+    flags: [{
+      name: 'device',
+      description: 'List connected devices (real devices and AVDs)'
+    },
+    {
+      name: 'avd',
+      description: 'List installed AVDs'
+    }]
+  },
   install: {
     description: 'Install APK or AVD on a device',
     flags: [

src/commands/android/subcommands/index.ts

@@ -10,6 +10,7 @@ import {checkJavaInstallation, getSdkRootFromEnv, getSubcommandHelp} from '../ut
 import {connect} from './connect';
 import {showHelp} from './help';
 import {install} from './install';
+import {list} from './list';
 
 export class AndroidSubcommand {
   sdkRoot: string;
@@ -76,6 +77,8 @@ export class AndroidSubcommand {
       return await connect(this.options, this.sdkRoot, this.platform);
     } else if (this.subcommand === 'install') {
       return await install(this.options, this.sdkRoot, this.platform);
+    } else if (this.subcommand === 'list') {
+      return await list(this.options, this.sdkRoot, this.platform);
     }
 
     return false;

src/commands/android/subcommands/list/avd.ts

@@ -0,0 +1,38 @@
+import colors from 'ansi-colors';
+
+import Logger from '../../../../logger';
+import {Platform} from '../../interfaces';
+import {getBinaryLocation} from '../../utils/common';
+import {execBinarySync} from '../../utils/sdk';
+import {showMissingBinaryHelp} from '../common';
+
+export async function listInstalledAVDs(sdkRoot: string, platform: Platform): Promise<boolean> {
+  try {
+    const avdmanagerLocation = getBinaryLocation(sdkRoot, platform, 'avdmanager', true);
+    if (!avdmanagerLocation) {
+      showMissingBinaryHelp('avdmanager');
+
+      return false;
+    }
+
+    const installedAVDs = execBinarySync(avdmanagerLocation, 'avd', platform, 'list avd');
+    if (!installedAVDs) {
+      Logger.log(`\n${colors.red('Failed to list installed AVDs!')} Please try again.`);
+
+      return false;
+    }
+
+    if (installedAVDs.split('\n').length < 3) {
+      Logger.log(colors.red('No installed AVDs found!'));
+    } else {
+      Logger.log(installedAVDs);
+    }
+
+    return true;
+  } catch (err) {
+    Logger.log(colors.red('Error occurred while listing installed AVDs.'));
+    console.error(err);
+
+    return false;
+  }
+}

src/commands/android/subcommands/list/device.ts

@@ -0,0 +1,30 @@
+import colors from 'ansi-colors';
+
+import Logger from '../../../../logger';
+import {Platform} from '../../interfaces';
+import ADB from '../../utils/appium-adb';
+import {getBinaryLocation} from '../../utils/common';
+import {showConnectedEmulators, showConnectedRealDevices, showMissingBinaryHelp} from '../common';
+
+export async function listConnectedDevices(sdkRoot: string, platform: Platform): Promise<boolean> {
+  const adbLocation = getBinaryLocation(sdkRoot, platform, 'adb', true);
+  if (adbLocation === '') {
+    showMissingBinaryHelp('adb');
+
+    return false;
+  }
+
+  const adb = await ADB.createADB({allowOfflineDevices: true});
+  const devices = await adb.getConnectedDevices();
+
+  if (!devices.length) {
+    Logger.log(colors.yellow('No connected devices found.\n'));
+
+    return true;
+  }
+
+  await showConnectedRealDevices();
+  await showConnectedEmulators();
+
+  return true;
+}

src/commands/android/subcommands/list/index.ts

@@ -0,0 +1,44 @@
+import inquirer from 'inquirer';
+
+import Logger from '../../../../logger';
+import {Options, Platform} from '../../interfaces';
+import {verifyOptions} from '../common';
+import {listInstalledAVDs} from './avd';
+import {listConnectedDevices} from './device';
+
+export async function list(options: Options, sdkRoot: string, platform: Platform): Promise<boolean> {
+  const optionsVerified = verifyOptions('list', options);
+  if (!optionsVerified) {
+    return false;
+  }
+
+  let subcommandFlag = optionsVerified.subcommandFlag;
+  if (subcommandFlag === '') {
+    subcommandFlag = await promptForFlag();
+  }
+
+  if (subcommandFlag === 'avd') {
+    return await listInstalledAVDs(sdkRoot, platform);
+  } else if (subcommandFlag === 'device') {
+    return await listConnectedDevices(sdkRoot, platform);
+  }
+
+  return false;
+}
+
+async function promptForFlag(): Promise<string> {
+  const flagAnswer = await inquirer.prompt({
+    type: 'list',
+    name: 'flag',
+    message: 'Select what do you want to list:',
+    choices: ['Connected devices', 'Installed AVDs']
+  });
+  Logger.log();
+
+  const flag = flagAnswer.flag;
+  if (flag === 'Connected devices') {
+    return 'device';
+  }
+
+  return 'avd';
+}