4 files changed, 187 insertions, 3 deletions
diff --git a/app/java/src/MainActivity.java b/app/java/src/MainActivity.java
index 049ee29..bfad05a 100644
--- a/app/java/src/MainActivity.java
+++ b/app/java/src/MainActivity.java
@@ -14,11 +14,15 @@ import android.os.Bundle;
 
 import android.util.Log;
 
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 import android.view.TextureView;
 import android.view.View;
 
 import android.widget.Button;
 import android.widget.Toast;
+import android.provider.Settings;
 
 public class MainActivity extends Activity {
 
@@ -44,6 +48,9 @@ public class MainActivity extends Activity {
 
         this.buttonStart = (Button) findViewById(R.id.button_start);
         this.dnsProxyService = new Intent(this, DNSProxyService.class);
+
+        // if setting.get(USER_WIFI_LISTENER)
+        // startService(new Intent(this, WifiListenerService.class));
     }
 
     @Override
@@ -61,6 +68,28 @@ public class MainActivity extends Activity {
         unregisterReceiver(receiver);
     }
 
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        MenuInflater menuInflater = getMenuInflater();
+        menuInflater.inflate(R.menu.settings, menu);
+
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        int itemId = item.getItemId();
+
+        if (itemId == R.id.menu__settings) {
+            Intent intent = new Intent(MainActivity.this, SettingsActivity.class);
+            startActivity(intent);
+
+            return true;
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+
     /**
      * is called by "startActivityForResult" internally
      */
@@ -71,9 +100,6 @@ public class MainActivity extends Activity {
         }
     }
 
-    @Override
-    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {}
-
     /**
      * button_start is clicked
      */
diff --git a/app/java/src/SettingsActivity.java b/app/java/src/SettingsActivity.java
new file mode 100644
index 0000000..83e2661
--- /dev/null
+++ b/app/java/src/SettingsActivity.java
@@ -0,0 +1,41 @@
+package org.pihole.dnsproxy;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+
+import android.net.VpnService;
+
+import android.os.Bundle;
+
+import android.util.Log;
+
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.view.TextureView;
+import android.view.View;
+
+import android.widget.Button;
+import android.widget.Toast;
+import android.provider.Settings;
+
+public class SettingsActivity extends Activity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        setContentView(R.layout.settings);
+
+        // if (setting.get(USE_WIFI_LISTENER))
+        // requestPermissions(new String[]{
+        //     android.Manifest.permission.ACCESS_FINE_LOCATION,
+        // }, 1234);
+        // startService(WifiListenerService);
+    }
+}
diff --git a/app/java/src/WifiListenerReceiver.java b/app/java/src/WifiListenerReceiver.java
new file mode 100644
index 0000000..e8ebedf
--- /dev/null
+++ b/app/java/src/WifiListenerReceiver.java
@@ -0,0 +1,39 @@
+package org.pihole.dnsproxy;
+
+import android.provider.Settings;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+
+import android.net.NetworkInfo;
+import android.net.wifi.WifiManager;
+import android.net.wifi.WifiInfo;
+
+import android.os.Bundle;
+
+import android.util.Log;
+
+public class WifiListenerReceiver extends BroadcastReceiver
+{
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        NetworkInfo networkInfo = (NetworkInfo) intent.getParcelableExtra(WifiManager.EXTRA_NETWORK_INFO);
+        Intent dnsProxyService = new Intent(context, DNSProxyService.class);
+
+        // start
+        if (networkInfo.getState().equals(NetworkInfo.State.CONNECTED)) {
+            WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
+            WifiInfo wifiInfo = wifiManager.getConnectionInfo();
+
+            // if (wifiInfo.getSSID() == setting.get(LOCAL_HOME_WIFI_SSID))
+
+            context.startService(dnsProxyService.setAction(DNSProxyService.ACTION_START));
+        }
+
+        // stop
+        else if (networkInfo.getState().equals(NetworkInfo.State.DISCONNECTED) && DNSProxyService.isRunning()) {
+            context.startService(dnsProxyService.setAction(DNSProxyService.ACTION_STOP));
+        }
+    }
+}
diff --git a/app/java/src/WifiListenerService.java b/app/java/src/WifiListenerService.java
new file mode 100644
index 0000000..e25c325
--- /dev/null
+++ b/app/java/src/WifiListenerService.java
@@ -0,0 +1,78 @@
+package org.pihole.dnsproxy;
+
+import android.app.Notification;
+import android.app.NotificationChannel;
+import android.app.NotificationManager;
+import android.app.PendingIntent;
+import android.app.Service;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+
+import android.net.ConnectivityManager;
+import android.net.wifi.WifiManager;
+
+import android.os.IBinder;
+
+import android.util.Log;
+
+public class WifiListenerService extends Service
+{
+
+    public static String NOTIFICATION_CHANNEL_ID = "org.pihole.dnsproxy.service.wifiListener";
+
+    private BroadcastReceiver receiver;
+
+    @Override
+    public void onCreate () {
+        super.onCreate();
+
+        this.receiver = new WifiListenerReceiver();
+    }
+
+    @Override
+    public int onStartCommand(Intent intent, int flags, int startId) {
+        this.start();
+
+        return START_STICKY;
+    }
+
+    @Override
+    public void onDestroy() {
+        this.stop();
+
+        super.onDestroy();
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) { return null; }
+
+    public void start() {
+        // registerReceiver(this.receiver, new IntentFilter(WifiManager.WIFI_STATE_CHANGED_ACTION));
+        registerReceiver(this.receiver, new IntentFilter(WifiManager.NETWORK_STATE_CHANGED_ACTION));
+
+        NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
+
+        NotificationChannel channel = new NotificationChannel(
+            WifiListenerService.NOTIFICATION_CHANNEL_ID,
+            WifiListenerService.NOTIFICATION_CHANNEL_ID,
+            NotificationManager.IMPORTANCE_DEFAULT
+        );
+        manager.createNotificationChannel(channel);
+
+        Notification notification = new Notification.Builder(this, WifiListenerService.NOTIFICATION_CHANNEL_ID)
+            .setSmallIcon(R.drawable.logo)
+            .setContentTitle("Pihole DNS Proxy - WiFi Listener")
+            .setContentText("Listening for WiFi connection change")
+            .build();
+
+        startForeground(2, notification);
+    }
+
+    public void stop() {
+        unregisterReceiver(this.receiver);
+        stopForeground(true);
+    }
+}