fix some issues

.travis.yml

@@ -17,5 +17,5 @@ script:
   - wget https://raw.github.com/paulp/sbt-extras/master/sbt
   - chmod u+x ./sbt
   - cp local.sbt.example local.sbt
-  - ./sbt android:package-release
+  - ./sbt android:package-debug
   - ./sbt deploy

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

@@ -71,8 +71,6 @@ object ShadowVpnService {
 
   var sRunningInstance: WeakReference[ShadowVpnService] = null
 
-  var sConn: ParcelFileDescriptor = null
-
 }
 
 class ShadowVpnService extends VpnService {
@@ -87,6 +85,7 @@ class ShadowVpnService extends VpnService {
   val MSG_HOST_CHANGE: Int = 4
   val MSG_STOP_SELF: Int = 5
   val VPN_MTU = 1500
+  var conn: ParcelFileDescriptor = null
 
   def getPid(name: String): Int = {
     try {
@@ -243,13 +242,13 @@ class ShadowVpnService extends VpnService {
         && i != 172 && i != 192 && i != 10) builder.addRoute(i + ".0.0.0", 8)
     }
 
-    ShadowVpnService.sConn = builder.establish()
-    if (ShadowVpnService.sConn == null) {
+    conn = builder.establish()
+    if (conn == null) {
       stopSelf()
       return
     }
 
-    val fd = ShadowVpnService.sConn.getFd
+    val fd = conn.getFd
 
     val cmd = (BASE + "tun2socks --netif-ipaddr 172.16.0.2  --udpgw-remote-server-addr 158.255.208.201:7300 " +
       "--netif-netmask 255.255.255.0 --socks-server-addr 127.0.0.1:%d --tunfd %d --tunmtu %d --pid " + BASE + "tun2socks.pid")
@@ -315,6 +314,10 @@ class ShadowVpnService extends VpnService {
     ed.putBoolean("isRunning", false)
     ed.putBoolean("isConnecting", false)
     ed.commit
+    if (conn != null) {
+      conn.close()
+      conn = null
+    }
     super.onDestroy()
     markServiceStopped()
   }

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

@@ -362,28 +362,29 @@ class Shadowsocks extends UnifiedSherlockPreferenceActivity with CompoundButton.
   protected override def onResume() {
     super.onResume()
     val settings: SharedPreferences = PreferenceManager.getDefaultSharedPreferences(this)
-    if (isServiceStarted) {
-      switchButton.setChecked(true)
-      if (ShadowVpnService.isServiceStarted) {
-        val style = new Style.Builder()
-          .setBackgroundColorValue(Style.holoBlueLight)
-          .setDuration(Style.DURATION_INFINITE)
-          .build()
-        switchButton.setEnabled(false)
-        Crouton.makeText(Shadowsocks.this, R.string.vpn_status, style).show()
+    if (getIntent.getAction != Shadowsocks.REQUEST_CONNECT) {
+      if (isServiceStarted) {
+        switchButton.setChecked(true)
+        if (ShadowVpnService.isServiceStarted) {
+          val style = new Style.Builder()
+            .setBackgroundColorValue(Style.holoBlueLight)
+            .setDuration(Style.DURATION_INFINITE)
+            .build()
+          switchButton.setEnabled(false)
+          Crouton.makeText(Shadowsocks.this, R.string.vpn_status, style).show()
+        }
+      } else {
+        switchButton.setChecked(false)
+        if (settings.getBoolean("isRunning", false)) {
+          new Thread {
+            override def run() {
+              crash_recovery()
+              handler.sendEmptyMessage(MSG_CRASH_RECOVER)
+            }
+          }.start()
+        }
       }
     }
-    else {
-      if (settings.getBoolean("isRunning", false)) {
-        new Thread {
-          override def run() {
-            crash_recovery()
-            handler.sendEmptyMessage(MSG_CRASH_RECOVER)
-          }
-        }.start()
-      }
-      switchButton.setChecked(false)
-    }
     setPreferenceEnabled()
     switchButton.setOnCheckedChangeListener(this)
     PreferenceManager.getDefaultSharedPreferences(this).registerOnSharedPreferenceChangeListener(this)
@@ -517,10 +518,6 @@ class Shadowsocks extends UnifiedSherlockPreferenceActivity with CompoundButton.
 
   def serviceStop() {
     if (ShadowVpnService.isServiceStarted) {
-      if (ShadowVpnService.sConn != null) {
-        ShadowVpnService.sConn.close()
-        ShadowVpnService.sConn = null
-      }
       stopService(new Intent(this, classOf[ShadowVpnService]))
     }
     if (ShadowsocksService.isServiceStarted) {