refine VPN mode

Author: madeye

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/ShadowsocksVpnService.scala

@@ -118,13 +118,8 @@ class ShadowsocksVpnService extends VpnService with BaseService {
 
   def startVpn() {
 
-    val openIntent = new Intent(this, classOf[Shadowsocks])
-    openIntent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT)
-    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 = new Intent(this, classOf[Shadowsocks])
-    openIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
-    val contentIntent = PendingIntent.getActivity(this, 0, openIntent, 0)
     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)
   }