Replace tag manager with firebase config

mobile/src/main/scala/com/github/shadowsocks/BaseService.scala

@@ -127,9 +127,8 @@ trait BaseService extends Service {
   def connect() {
     profile.name = profile.getName  // save original name before it's (possibly) overwritten by IP addresses
     if (profile.host == "198.199.101.152") {
-      val holder = app.containerHolder
-      val container = holder.getContainer
-      val url = container.getString("proxy_url")
+      val config = app.remoteConfig
+      val url = config.getString("proxy_url")
       val sig = Utils.getSignature(this)
 
       val client = new OkHttpClient.Builder()
@@ -276,7 +275,7 @@ trait BaseService extends Service {
 
   override def onCreate() {
     super.onCreate()
-    app.refreshContainerHolder()
+    app.remoteConfig.fetch()
     app.updateAssets()
   }
 
@@ -301,23 +300,12 @@ trait BaseService extends Service {
     }
   }
 
-  def getBlackList: String = {
-    val default = getString(R.string.black_list)
-    try {
-      val container = app.containerHolder.getContainer
-      val update = container.getString("black_list_lite")
-      val list = if (update == null || update.isEmpty) default else update
-      "exclude = " + list + ";"
-    } catch {
-      case _: Exception => "exclude = " + default + ";"
-    }
-  }
-
   protected def buildPluginCommandLine(): ArrayBuffer[String] = {
     val result = ArrayBuffer(pluginPath)
     if (TcpFastOpen.sendEnabled) result += "--fast-open"
     result
   }
+
   protected final def buildShadowsocksConfig(file: String): String = {
     val config = new JSONObject()
       .put("server", profile.host)

mobile/src/main/scala/com/github/shadowsocks/MainActivity.scala

@@ -390,7 +390,6 @@ class MainActivity extends Activity with ServiceBoundContext with Drawer.OnDrawe
 
   protected override def onResume() {
     super.onResume()
-    app.refreshContainerHolder()
     state match {
       case State.STOPPING | State.CONNECTING =>
       case _ => hideCircle()

mobile/src/main/scala/com/github/shadowsocks/ShadowsocksApplication.scala

@@ -38,9 +38,12 @@ import com.github.shadowsocks.acl.DonaldTrump
 import com.github.shadowsocks.database.{DBHelper, Profile, ProfileManager}
 import com.github.shadowsocks.utils.CloseUtils._
 import com.github.shadowsocks.utils._
+import com.google.android.gms.tasks.OnCompleteListener
+import com.google.android.gms.tasks.Task
 import com.google.android.gms.analytics.{GoogleAnalytics, HitBuilders, StandardExceptionParser, Tracker}
 import com.google.android.gms.common.api.ResultCallback
-import com.google.android.gms.tagmanager.{ContainerHolder, TagManager}
+import com.google.firebase.remoteconfig.FirebaseRemoteConfig
+import com.google.firebase.FirebaseApp
 import com.j256.ormlite.logger.LocalLog
 import eu.chainfire.libsuperuser.Shell
 
@@ -61,8 +64,7 @@ object ShadowsocksApplication {
 class ShadowsocksApplication extends Application {
   import ShadowsocksApplication._
 
-  final val SIG_FUNC = "getSignature"
-  var containerHolder: ContainerHolder = _
+  lazy val remoteConfig = FirebaseRemoteConfig.getInstance()
   lazy val tracker: Tracker = GoogleAnalytics.getInstance(this).newTracker(R.xml.tracker)
   lazy val settings: SharedPreferences = PreferenceManager.getDefaultSharedPreferences(this)
   lazy val editor: SharedPreferences.Editor = settings.edit
@@ -149,35 +151,23 @@ class ShadowsocksApplication extends Application {
     if (!BuildConfig.DEBUG) java.lang.System.setProperty(LocalLog.LOCAL_LOG_LEVEL_PROPERTY, "ERROR")
     AppCompatDelegate.setCompatVectorFromResourcesEnabled(true)
     checkChineseLocale(getResources.getConfiguration)
-    val tm = TagManager.getInstance(this)
-    val pending = tm.loadContainerPreferNonDefault("GTM-NT8WS8", R.raw.gtm_default_container)
-    val callback = new ResultCallback[ContainerHolder] {
-      override def onResult(holder: ContainerHolder) {
-        if (!holder.getStatus.isSuccess) {
-          return
-        }
-        containerHolder = holder
-        val container = holder.getContainer
-        container.registerFunctionCallMacroCallback(SIG_FUNC,
-          (functionName: String, parameters: util.Map[String, AnyRef]) => {
-            if (functionName == SIG_FUNC) {
-              Utils.getSignature(getApplicationContext)
-            }
-            null
-          })
-      }
-    }
-    pending.setResultCallback(callback, 2, TimeUnit.SECONDS)
+
+    FirebaseApp.initializeApp(this)
+
+	remoteConfig.fetch(60)
+	  .addOnCompleteListener(new OnCompleteListener[Void]() {
+		def onComplete(task: Task[Void]) {
+		  if (task.isSuccessful()) {
+			remoteConfig.activateFetched()
+		  }
+		}
+	  })
+
     JobManager.create(this).addJobCreator(DonaldTrump)
 
     TcpFastOpen.enabled(settings.getBoolean(Key.tfo, TcpFastOpen.sendEnabled))
   }
 
-  def refreshContainerHolder() {
-    val holder = app.containerHolder
-    if (holder != null) holder.refresh()
-  }
-
   def crashRecovery() {
     val cmd = new ArrayBuffer[String]()