Move run-android to private-cli

Reviewed By: mkonicek

Differential Revision: D2544567

fb-gh-sync-id: 3c62f6c30b5be7f480d8f44a48fb551fc30d477e

private-cli/src/runAndroid/runAndroid.js

@@ -0,0 +1,145 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+'use strict';
+
+const chalk = require('chalk');
+const child_process = require('child_process');
+const fs = require('fs');
+const path = require('path');
+const parseCommandLine = require('../../../packager/parseCommandLine');
+const isPackagerRunning = require('../util/isPackagerRunning');
+const Promise = require('promise');
+
+/**
+ * Starts the app on the Android simulator.
+ */
+function runAndroid(argv, config) {
+  return new Promise((resolve, reject) => {
+    _runAndroid(argv, config, resolve, reject);
+  });
+}
+
+function _runAndroid(argv, config, resolve, reject) {
+  const args = parseCommandLine([{
+    command: 'install-debug',
+    type: 'string',
+    required: false,
+  }], argv);
+
+  if (!checkAndroid()) {
+    console.log(chalk.red('Android project not found. Maybe run react-native android first?'));
+    return;
+  }
+
+  resolve(isPackagerRunning().then(result => {
+    if (result === 'running') {
+      console.log(chalk.bold('JS server already running.'));
+    } else if (result === 'unrecognized') {
+      console.warn(chalk.yellow('JS server not recognized, continuing with build...'));
+    } else {
+      // result == 'not_running'
+      console.log(chalk.bold('Starting JS server...'));
+      startServerInNewWindow();
+    }
+    buildAndRun(args);
+  }));
+}
+
+// Verifies this is an Android project
+function checkAndroid() {
+  return fs.existsSync('android/gradlew');
+}
+
+// Builds the app and runs it on a connected emulator / device.
+function buildAndRun(args, reject) {
+  process.chdir('android');
+  try {
+    const cmd = process.platform.startsWith('win')
+      ? 'gradlew.bat'
+      : './gradlew';
+
+    const gradleArgs = ['installDebug'];
+    if (args['install-debug']) {
+      gradleArgs.push(args['install-debug']);
+    }
+
+    console.log(chalk.bold(
+      'Building and installing the app on the device (cd android && ' + cmd +
+      ' ' + gradleArgs.join(' ') + ')...'
+    ));
+
+    child_process.execFileSync(cmd, gradleArgs, {
+      stdio: [process.stdin, process.stdout, process.stderr],
+    });
+  } catch (e) {
+    console.log(chalk.red(
+      'Could not install the app on the device, see the error above.'
+    ));
+    // stderr is automatically piped from the gradle process, so the user
+    // should see the error already, there is no need to do
+    // `console.log(e.stderr)`
+    reject();
+    return;
+  }
+
+  try {
+    const packageName = fs.readFileSync(
+      'app/src/main/AndroidManifest.xml',
+      'utf8'
+    ).match(/package="(.+?)"/)[1];
+
+    const adbPath = process.env.ANDROID_HOME
+      ? process.env.ANDROID_HOME + '/platform-tools/adb'
+      : 'adb';
+
+    const adbArgs = [
+      'shell', 'am', 'start', '-n', packageName + '/.MainActivity'
+    ];
+
+    console.log(chalk.bold(
+      'Starting the app (' + adbPath + ' ' + adbArgs.join(' ') + ')...'
+    ));
+
+    child_process.spawnSync(adbPath, adbArgs, {stdio: 'inherit'});
+  } catch (e) {
+    console.log(chalk.red(
+      'adb invocation failed. Do you have adb in your PATH?'
+    ));
+    // stderr is automatically piped from the gradle process, so the user
+    // should see the error already, there is no need to do
+    // `console.log(e.stderr)`
+    reject();
+    return;
+  }
+}
+
+function startServerInNewWindow() {
+  const launchPackagerScript = path.resolve(
+    __dirname, '..', '..', '..', 'packager', 'launchPackager.command'
+  );
+
+  if (process.platform === 'darwin') {
+    child_process.spawnSync('open', [launchPackagerScript]);
+  } else if (process.platform === 'linux') {
+    child_process.spawn(
+      'xterm',
+      ['-e', 'sh', launchPackagerScript],
+      {detached: true}
+    );
+  } else {
+    console.error(chalk.yellow(
+      'Starting packager in new window is not supported on Windows yet. ' +
+      'See https://github.com/facebook/react-native/issues/3469 on how to ' +
+      'start it manually.'
+    ));
+    throw new Error('Windows is not yet supported');
+  }
+}
+
+module.exports = runAndroid;

private-cli/src/util/isPackagerRunning.js

@@ -0,0 +1,31 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+'use strict';
+
+const fetch = require('node-fetch');
+
+/**
+ * Indicates whether or not the packager is running. It ruturns a promise that
+ * when fulfilled can returns one out of these possible values:
+ *   - `running`: the packager is running
+ *   - `not_running`: the packager nor any process is running on the expected
+ *                    port.
+ *   - `unrecognized`: one other process is running on the port ew expect the
+ *                     packager to be running.
+ */
+function isPackagerRunning() {
+  return fetch('http://localhost:8081/status').then(
+    res => res.text().then(body =>
+      body === 'packager-status:running' ? 'running' : 'unrecognized'
+    ),
+    () => 'not_running'
+  );
+}
+
+module.exports = isPackagerRunning;