react-native/local-cli/run-android.js

81 lines
3.0 KiB
JavaScript

/**
* 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';
var chalk = require('chalk');
var child_process = require('child_process');
var fs = require('fs');
var http = require('http');
var runPackager = require('./run-packager.js');
function checkAndroid() {
return fs.existsSync('android/gradlew');
}
function buildAndRun() {
process.chdir('android');
try {
var cmd = process.platform.startsWith('win') ? 'gradlew.bat' : './gradlew';
var gradleArgs = ['installDebug'].concat(process.argv.slice(3));
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)
return;
}
try {
var packageName = fs.readFileSync('app/src/main/AndroidManifest.xml', 'utf8').match(/package="(.+?)"/)[1];
var adbPath = process.env.ANDROID_HOME ? process.env.ANDROID_HOME + '/platform-tools/adb' : 'adb';
var adbArgs = ['shell', 'am', 'start', '-n', packageName + '/.MainActivity'];
console.log(chalk.bold('Starting the app (' + adbPath + ' ' + adbArgs.join(' ') + ')...'));
child_process.spawnSync(adbPath, adbArgs, {
stdio: [process.stdin, process.stdout, process.stderr]
});
} catch (e) {
console.log(chalk.red('adb invocation failed. Do you have adb in your PATH?'));
// stderr is automatically piped from the adb process, so the user should see the error already,
// there is no need to do console.log(e.stderr)
return;
}
}
module.exports = function() {
if (!checkAndroid()) {
console.log(chalk.red('Android project not found. Maybe run react-native android first?'));
return;
}
// is packager running?
var statusReq = http.get('http://localhost:8081/status', function(res) {
var response = '';
res.on('data', function(chunk) {
response += chunk;
});
res.on('end', function() {
if (response === 'packager-status:running') {
console.log(chalk.bold('JS server already running.'));
} else {
console.log(chalk.yellow('[warn] JS server not recognized, continuing with build...'));
}
buildAndRun();
// make sure we don't wait around for the packager process
process.exit();
});
});
statusReq.on('error', function() {
// start packager first so it warms up
console.log(chalk.bold('Starting JS server...'));
runPackager(true);
buildAndRun();
});
};