add beginnings of ipc

app/src/main/assets/index.js

@@ -1,6 +1,18 @@
-console.log("hello world")
-
 var http = require('http')
+var net = require('net')
+
+var android = function () { // TODO: move to internal module
+    var port = Number(process.argv[process.argv.length - 1])
+    var sock = net.connect(port, '127.0.0.1')
+    return {
+        loadUrl: function (u) {
+            sock.write(u)
+        }
+    }
+}()
+
+console.log("hello world")
+console.log('argv', process.argv)
 
 var server = http.createServer(function (req, res) {
     res.setHeader('Content-Type', 'text/html')
@@ -15,4 +27,6 @@ var server = http.createServer(function (req, res) {
     `)
 })
 
-server.listen(10000)
+server.listen(0, function () {
+    android.loadUrl('http://localhost:' + server.address().port)
+})

app/src/main/java/com/mafintosh/nodeonandroid/MainActivity.java

@@ -1,32 +1,79 @@
 package com.mafintosh.nodeonandroid;
 
+import android.content.BroadcastReceiver;
+import android.content.Context;
 import android.content.Intent;
+import android.content.IntentFilter;
+import android.support.v4.content.LocalBroadcastManager;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
 import android.webkit.WebView;
 
+import java.io.BufferedInputStream;
+import java.io.BufferedOutputStream;
+import java.net.InetAddress;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.util.Arrays;
+
 public class MainActivity extends AppCompatActivity {
+    private WebView browser;
+    private NodeReceiver receiver;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
-        Intent i = new Intent(MainActivity.this, NodeService.class);
-        startService(i);
+        receiver = new NodeReceiver();
+        IntentFilter filter = new IntentFilter("com.mafintosh.nodeonandroid.ipc");
+        LocalBroadcastManager.getInstance(this).registerReceiver(receiver, filter);
 
-        WebView browser = (WebView) findViewById(R.id.webview);
+        browser = (WebView) findViewById(R.id.webview);
         browser.getSettings().setLoadWithOverviewMode(true);
         browser.getSettings().setUseWideViewPort(true);
         browser.getSettings().setJavaScriptEnabled(true);
 
-        try {
-            Thread.sleep(3000);
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
+        final Context me = this;
+
+        new Thread(
+                new Runnable() {
+                    @Override
+                    public void run() {
+                        try {
+                            ServerSocket server = new ServerSocket(0, 5, InetAddress.getByName("127.0.0.1"));
+
+                            Intent i = new Intent(MainActivity.this, NodeService.class);
+                            i.putExtra("ipc-port", "" + server.getLocalPort());
+                            startService(i);
+
+                            Socket socket = server.accept();
+                            BufferedInputStream inp = new BufferedInputStream(socket.getInputStream());
+                            BufferedOutputStream out = new BufferedOutputStream(socket.getOutputStream());
 
-        browser.loadUrl("http://localhost:10000");
+                            byte[] buf = new byte[65536];
 
+                            while (true) {
+                                int read = inp.read(buf);
+                                String u = new String(Arrays.copyOfRange(buf, 0, read));
+                                Intent in = new Intent("com.mafintosh.nodeonandroid.ipc");
+                                in.putExtra("loadUrl", u);
+                                LocalBroadcastManager.getInstance(me).sendBroadcast(in);
+                            }
+                        } catch (Exception err) {
+                            err.printStackTrace();
+                        }
+                    }
+                }
+        ).start();
+
+    }
+
+    private class NodeReceiver extends BroadcastReceiver {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            String loadUrl = intent.getStringExtra("loadUrl");
+            if (loadUrl != null) browser.loadUrl(loadUrl);
+        }
     }
 }

app/src/main/java/com/mafintosh/nodeonandroid/NodeService.java

@@ -4,9 +4,7 @@
 import android.content.Intent;
 import android.content.res.AssetManager;
 import android.os.IBinder;
-import android.os.Process;
 import android.support.annotation.Nullable;
-
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
@@ -16,15 +14,6 @@ public class NodeService extends Service {
     @Override
     public void onCreate() {
         super.onCreate();
-
-        new Thread(new Runnable() {
-            @Override
-            public void run() {
-            String jsPath = getCacheDir().getAbsolutePath() + "/index.js";
-            copyAssetFile(getAssets(), "index.js", jsPath);
-            startNode("node", jsPath);
-            }
-        }).start();
     }
 
     @Override
@@ -34,7 +23,18 @@ public void onDestroy() {
 
     @Override
     public int onStartCommand(Intent intent, int flags, int startId) {
-        return START_STICKY;
+        final String ipcPort = intent.getStringExtra("ipc-port");
+
+        new Thread(new Runnable() {
+            @Override
+            public void run() {
+                String jsPath = getCacheDir().getAbsolutePath() + "/index.js";
+                copyAssetFile(getAssets(), "index.js", jsPath);
+                startNode("node", jsPath, "" + ipcPort);
+            }
+        }).start();
+
+        return START_REDELIVER_INTENT;
     }
 
     @Nullable