refine VPN mode

.travis.yml

@@ -20,18 +20,7 @@ before_install:
 - export PATH=${PATH}:${ANDROID_NDK_HOME}:${ANDROID_HOME}/tools:${ANDROID_HOME}/platform-tools
 - echo "y" | android update sdk --filter tools,platform-tools,build-tools-20.0.0,android-19,extra-google-m2repository --no-ui --no-https -a
 - echo "y" | android update sdk --filter extra-android-m2repository --no-ui --no-https -a
-install:
-- gem install --version 0.8.9 faraday
-- gem install travis-artifacts
 script:
 - ./build-ndk.sh
 - cp local.properties.travis local.properties
-- sbt clean android:package-release
-after_success:
-- ./deploy target/android-bin shadowsocks-release.apk
-env:
-  global:
-  - "ARTIFACTS_AWS_REGION=us-east-1"
-  - "ARTIFACTS_S3_BUCKET=travis-nightly"
-  - secure: "GkAdnMh07id2VKhpCW16lE73A0LK2Jsk3hzkFvdx76JKW8FjLgaimLJ2T/+i\nxFfDw8XBinLE09dqg8JxSNS6JbLHLcav8P3yJIlzFh1NqfJABU9U4I8atb6P\nITSdSo9nb3LX6sB8SOU0nqXb5U+nj7jiekQqiBhmEmu6iDmMtfU="
-  - secure: "eCh5BjCFccp+sB/FIrjsmxJU4475D4qiWvDV++khcIHLel6lgUjDX18ImBlJ\n+IdiCKxvR6EpRDV1Cs4gJ2jZEAV0PbojQMoQOXbs1FLggM8RRq/Re1qWQFq7\nWkBRjjr8w8ddjJZHRo459cTUvgvD7krhp07coabAnEahDaGWSUo="
+- sbt android:package-release

src/main/AndroidManifest.xml

@@ -1,7 +1,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.github.shadowsocks"
-    android:versionCode="68"
-    android:versionName="2.2.0">
+    android:versionCode="69"
+    android:versionName="2.2.1">
 
   <uses-permission android:name="android.permission.INTERNET"/>
   <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>

src/main/res/values-zh/strings.xml

@@ -44,7 +44,6 @@
   <string name="forward_stop">后台服务已停止。</string>
   <string name="service_failed">请检查你的网络状态后并重试。</string>
   <string name="stop">停止服务</string>
-  <string name="vpn_status">推荐通过通知栏关闭 VPN 服务</string>
   <string name="vpn_error">无法启动 VPN 服务：\"%s\"。看来和你的设备存在兼容性问题，请使用 Root 模式。</string>
   <string name="ok_iknow">确定</string>
   <string name="port_alert">端口号应大于1024</string>

src/main/res/values/strings.xml

@@ -57,7 +57,6 @@
   <string name="forward_stop">Shadowsocks stopped.</string>
   <string name="service_failed">Please check your network status and try again.</string>
   <string name="stop">Stop the service</string>
-  <string name="vpn_status">Recommend to disable the VPN service through the notification bar.</string>
   <string name="vpn_error">Unable to start VPN service: "%s". It seems to be a compatibility issue with your device. Please consider using ROOT mode instead.</string>
 
   <!-- alert category -->

src/main/scala/com/github/shadowsocks/Shadowsocks.scala

@@ -919,7 +919,6 @@ class Shadowsocks
     if (isVpnEnabled) {
       val style = new Style.Builder().setBackgroundColorValue(Style.holoBlueLight).build()
       val config = new Configuration.Builder().setDuration(Configuration.DURATION_LONG).build()
-      Crouton.makeText(Shadowsocks.this, R.string.vpn_status, style).setConfiguration(config).show()
       changeSwitch(checked = false)
     }
     true

src/main/scala/com/github/shadowsocks/ShadowsocksNatService.scala

@@ -220,12 +220,12 @@ class ShadowsocksNatService extends Service with BaseService {
   }
 
   def notifyForegroundAlert(title: String, info: String, rate: Int) {
-    val openIntent: Intent = new Intent(this, classOf[Shadowsocks])
-    openIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
-    val contentIntent: PendingIntent = PendingIntent.getActivity(this, 0, openIntent, 0)
-    val closeIntent: Intent = new Intent(Action.CLOSE)
-    val actionIntent: PendingIntent = PendingIntent.getBroadcast(this, 0, closeIntent, 0)
-    val builder: NotificationCompat.Builder = new NotificationCompat.Builder(this)
+    val openIntent = new Intent(this, classOf[Shadowsocks])
+    openIntent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT)
+    val contentIntent = PendingIntent.getActivity(this, 0, openIntent, 0)
+    val closeIntent = new Intent(Action.CLOSE)
+    val actionIntent = PendingIntent.getBroadcast(this, 0, closeIntent, 0)
+    val builder = new NotificationCompat.Builder(this)
 
     val icon = getResources.getDrawable(R.drawable.ic_stat_shadowsocks)
     if (rate >= 0) {
@@ -309,14 +309,6 @@ class ShadowsocksNatService extends Service with BaseService {
     }
   }
 
-  override def onStartCommand(intent: Intent, flags: Int, startId: Int): Int = {
-    Service.START_STICKY
-  }
-
-  override def onTaskRemoved(intent: Intent) {
-    stopRunner()
-  }
-
   def killProcesses() {
     Console.runRootCommand(Utils.getIptables + " -t nat -F OUTPUT")
 
@@ -564,13 +556,6 @@ class ShadowsocksNatService extends Service with BaseService {
       timer = null
     }
 
-    // clean up context
-    stopForegroundCompat(1)
-    if (receiver != null) {
-      unregisterReceiver(receiver)
-      receiver = null
-    }
-
     // reset NAT
     killProcesses()
 
@@ -578,6 +563,13 @@ class ShadowsocksNatService extends Service with BaseService {
     if (callbackCount == 0) {
       stopSelf()
     }
+
+    // clean up context
+    if (receiver != null) {
+      unregisterReceiver(receiver)
+      receiver = null
+    }
+    stopForegroundCompat(1)
   }
 
   override def stopBackgroundService() {

src/main/scala/com/github/shadowsocks/ShadowsocksVpnService.scala

@@ -118,13 +118,8 @@ class ShadowsocksVpnService extends VpnService with BaseService {
 
   def startVpn() {
 
-    val openIntent: Intent = new Intent(this, classOf[Shadowsocks])
-    openIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
-    val configIntent = PendingIntent.getActivity(this, 0, openIntent, 0)
-
     val builder = new Builder()
     builder
-      .setConfigureIntent(configIntent)
       .setSession(config.profileName)
       .setMtu(VPN_MTU)
       .addAddress(PRIVATE_VLAN.format("1"), 24)
@@ -221,17 +216,13 @@ class ShadowsocksVpnService extends VpnService with BaseService {
   }
 
   def notifyAlert(title: String, info: String) {
-    val openIntent: Intent = new Intent(this, classOf[Shadowsocks])
-    openIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
-    val contentIntent: PendingIntent = PendingIntent.getActivity(this, 0, openIntent, 0)
-    val builder: NotificationCompat.Builder = new NotificationCompat.Builder(this)
+    val builder = new NotificationCompat.Builder(this)
     builder
       .setSmallIcon(R.drawable.ic_stat_shadowsocks)
       .setWhen(0)
       .setTicker(title)
       .setContentTitle(getString(R.string.app_name))
       .setContentText(info)
-      .setContentIntent(contentIntent)
       .setAutoCancel(true)
     notificationManager.notify(1, builder.build)
   }
@@ -255,14 +246,6 @@ class ShadowsocksVpnService extends VpnService with BaseService {
       .asInstanceOf[NotificationManager]
   }
 
-  override def onStartCommand(intent: Intent, flags: Int, startId: Int): Int = {
-    Service.START_STICKY
-  }
-
-  override def onTaskRemoved(intent: Intent) {
-    stopRunner()
-  }
-
   override def onRevoke() {
     stopRunner()
   }
@@ -363,12 +346,6 @@ class ShadowsocksVpnService extends VpnService with BaseService {
       .set(Fields.SESSION_CONTROL, "stop")
       .build())
 
-    // clean up the context
-    if (receiver != null) {
-      unregisterReceiver(receiver)
-      receiver = null
-    }
-
     // reset VPN
     killProcesses()
 
@@ -378,13 +355,28 @@ class ShadowsocksVpnService extends VpnService with BaseService {
       conn = null
     }
 
-    // reset notifications
-    notificationManager.cancel(1)
-
     // stop the service if no callback registered
     if (callbackCount == 0) {
       stopSelf()
     }
+
+    // clean up the context
+    if (receiver != null) {
+      unregisterReceiver(receiver)
+      receiver = null
+    }
+
+    // reset notifications
+    notificationManager.cancel(1)
+  }
+
+  override def onStartCommand(intent: Intent, flags: Int, startId: Int): Int =
+  {
+    Service.START_STICKY
+  }
+
+  override def onTaskRemoved(intent: Intent) {
+    stopRunner()
   }
 
   override def stopBackgroundService() {