Fix #441

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

@@ -153,7 +153,7 @@ class ProfileManagerActivity extends AppCompatActivity with OnMenuItemClickListe
     profilesList.setLayoutManager(new LinearLayoutManager(this))
     profilesList.setItemAnimator(new DefaultItemAnimator)
     profilesList.setAdapter(profilesAdapter)
-    removedSnackbar = Snackbar.make(findViewById(android.R.id.content), R.string.removed, Snackbar.LENGTH_LONG)
+    removedSnackbar = Snackbar.make(profilesList, R.string.removed, Snackbar.LENGTH_LONG)
       .setAction(R.string.undo, ((v: View) => profilesAdapter.undoRemoves): OnClickListener)
     removedSnackbar.getView.addOnAttachStateChangeListener(new OnAttachStateChangeListener {
       def onViewDetachedFromWindow(v: View) = profilesAdapter.commitRemoves

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

@@ -293,12 +293,6 @@ class Shadowsocks
     }
   }
 
-  def isTextEmpty(s: String, msg: String): Boolean = {
-    if (s != null && s.length > 0) return false
-    Snackbar.make(getWindow.getDecorView.findViewById(android.R.id.content), msg, Snackbar.LENGTH_LONG).show
-    true
-  }
-
   def cancelStart() {
     clearDialog()
     changeSwitch(checked = false)
@@ -554,7 +548,9 @@ class Shadowsocks
 
   def checkText(key: String): Boolean = {
     val text = ShadowsocksApplication.settings.getString(key, "")
-    !isTextEmpty(text, getString(R.string.proxy_empty))
+    if (text != null && text.length > 0) return true
+    Snackbar.make(findViewById(android.R.id.content), getString(R.string.proxy_empty), Snackbar.LENGTH_LONG).show
+    false
   }
 
   /** Called when connect button is clicked. */
@@ -598,7 +594,7 @@ class Shadowsocks
           handler.postDelayed(() => fabProgressCircle.hide(), 1000)
           fab.setEnabled(true)
           changeSwitch(checked = false)
-          if (m != null) Snackbar.make(getWindow.getDecorView.findViewById(android.R.id.content),
+          if (m != null) Snackbar.make(findViewById(android.R.id.content),
             getString(R.string.vpn_error).formatLocal(Locale.ENGLISH, m), Snackbar.LENGTH_LONG).show
           setPreferenceEnabled(enabled = true)
         case State.STOPPING =>

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

@@ -5,9 +5,9 @@ import java.util.Locale
 import android.content.{DialogInterface, Intent}
 import android.net.Uri
 import android.os.{Build, Bundle}
-import android.preference.{SwitchPreference, Preference, PreferenceFragment}
+import android.preference.{Preference, PreferenceFragment, SwitchPreference}
 import android.support.v7.app.AlertDialog
-import android.webkit.{WebViewClient, WebView}
+import android.webkit.{WebView, WebViewClient}
 import com.github.shadowsocks.utils.Key
 
 // TODO: Move related logic here

src/main/scala/com/github/shadowsocks/widget/AutoPaddingBehavior.scala

@@ -0,0 +1,30 @@
+package com.github.shadowsocks.widget
+
+import android.content.Context
+import android.support.design.widget.CoordinatorLayout
+import android.support.design.widget.CoordinatorLayout.Behavior
+import android.support.design.widget.Snackbar.SnackbarLayout
+import android.util.AttributeSet
+import android.view.View
+
+/**
+  * @author Mygod
+  */
+class AutoPaddingBehavior(context: Context, attrs: AttributeSet) extends Behavior[View] {
+  override def layoutDependsOn(parent: CoordinatorLayout, child: View, dependency: View) =
+    dependency.isInstanceOf[SnackbarLayout]
+
+  override def onDependentViewChanged(parent: CoordinatorLayout, child: View, dependency: View) =
+    dependency match {
+      case sl: SnackbarLayout =>
+        child.setPadding(0, 0, 0, dependency.getHeight)
+        true
+      case _ => super.onDependentViewChanged(parent, child, dependency)
+    }
+
+  override def onDependentViewRemoved(parent: CoordinatorLayout, child: View, dependency: View) =
+    dependency match {
+      case sl: SnackbarLayout => child.setPadding(0, 0, 0, 0)
+      case _ => super.onDependentViewRemoved(parent, child, dependency)
+    }
+}