fixing some layout problems

OpenPGP-Keychain/res/layout/key_list_item.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="?android:attr/listPreferredItemHeight"
+    android:layout_marginRight="?android:attr/scrollbarSize"
+    android:orientation="vertical"
+    android:paddingLeft="8dp"
+    android:singleLine="true" >
+
+    <TextView
+        android:id="@+id/mainUserId"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Main User ID"
+        android:textAppearance="?android:attr/textAppearanceMedium" />
+
+    <TextView
+        android:id="@+id/mainUserIdRest"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="&lt;user@example.com>"
+        android:textAppearance="?android:attr/textAppearanceSmall" />
+
+</LinearLayout>