Refine profile item layout

mobile/src/main/java/com/github/shadowsocks/ProfilesFragment.kt

@@ -157,8 +157,8 @@ class ProfilesFragment : ToolbarFragment(), Toolbar.OnMenuItemClickListener {
             }
             if (tx <= 0 && rx <= 0) traffic.visibility = View.GONE else {
                 traffic.visibility = View.VISIBLE
-                @SuppressLint("SetTextI18n")
-                traffic.text = "${TrafficMonitor.formatTraffic(tx)}↑\t${TrafficMonitor.formatTraffic(rx)}↓"
+                traffic.text = getString(R.string.traffic,
+                        TrafficMonitor.formatTraffic(tx), TrafficMonitor.formatTraffic(rx))
             }
 
             if (item.id == DataStore.profileId) {

mobile/src/main/res/layout/layout_profile.xml

@@ -3,6 +3,7 @@
 <LinearLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/content"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
@@ -11,13 +12,16 @@
     android:nextFocusRight="@+id/edit"
     android:orientation="vertical">
 
+    <Space
+        android:layout_width="match_parent"
+        android:layout_height="8dp"/>
+
     <LinearLayout
         android:id="@+id/container"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_marginTop="4dp"
-        android:paddingLeft="16dp"
-        android:paddingRight="4dp">
+        android:layout_marginLeft="16dp"
+        >
 
         <TextView
             android:id="@android:id/text1"
@@ -30,7 +34,8 @@
             android:maxLines="2"
             android:textAppearance="?android:attr/textAppearanceMedium"
             android:textColor="?android:attr/textColorPrimary"
-            android:textStyle="bold"/>
+            android:textStyle="bold"
+            tools:text="@string/profile_name"/>
 
         <android.support.v7.widget.AppCompatImageView
             android:id="@+id/share"
@@ -59,10 +64,8 @@
     <RelativeLayout
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_marginBottom="16dp"
-        android:layout_marginEnd="8dp"
-        android:paddingLeft="16dp"
-        android:paddingRight="4dp">
+        android:layout_marginLeft="16dp"
+        >
 
         <TextView
             android:id="@android:id/text2"
@@ -73,6 +76,7 @@
             android:layout_toStartOf="@+id/traffic"
             android:ellipsize="end"
             android:maxLines="2"
+            tools:text="@string/profile_plugin"
             android:textAppearance="?android:attr/textAppearanceSmall"
             android:textColor="?android:attr/textColorSecondary"/>
 
@@ -82,8 +86,13 @@
             android:layout_height="wrap_content"
             android:layout_alignParentEnd="true"
             android:layout_gravity="bottom"
+            android:layout_marginEnd="8dp"
             android:ellipsize="end"
+            tools:text="@string/traffic"
             android:textAppearance="?android:attr/textAppearanceSmall"
             android:textColor="?android:attr/textColorSecondary"/>
     </RelativeLayout>
+    <Space
+        android:layout_width="match_parent"
+        android:layout_height="8dp"/>
 </LinearLayout>

mobile/src/main/res/values/strings.xml

@@ -17,6 +17,7 @@
   <string name="port_transproxy">Transproxy port</string>
 
   <string name="remote_dns">Remote DNS</string>
+  <string name="traffic" translatable="false">%s↑\t%s↓</string>
   <string name="stat_summary">Sent: \t\t\t\t\t%3$s\t↑\t%1$s/s\nReceived: \t%4$s\t↓\t%2$s/s</string>
   <string name="speed">%s/s</string>
   <plurals name="bytes">