Advanced screen, warning fragment

OpenKeychain/src/main/res/layout/view_key_adv_start_fragment.xml

@@ -0,0 +1,23 @@
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:padding="16dp">
+
+    <ImageView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_above="@+id/view_key_adv_start_text"
+        android:layout_centerHorizontal="true"
+        android:layout_gravity="center_horizontal|top"
+        android:src="@drawable/ic_beaker_grey600_48dp" />
+
+    <org.sufficientlysecure.htmltextview.HtmlTextView
+        android:id="@+id/view_key_adv_start_text"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true"
+        android:layout_centerHorizontal="true"
+        android:layout_centerVertical="true" />
+
+</RelativeLayout>

OpenKeychain/src/main/res/raw/advanced.md

@@ -0,0 +1,9 @@
+[//]: # (NOTE: Please put every sentence in its own line, Transifex puts every line in its own translation field!)
+
+Advanced screen allows you to
+* share key in non-recommended ways
+* edit identities
+* edit subkeys
+* examine certificates in detail
+
+Only proceed if you know what you are doing!

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

@@ -37,7 +37,7 @@
     <string name="title_help">"Help"</string>
     <string name="title_log_display">"Log"</string>
     <string name="title_exchange_keys">"Exchange Keys"</string>
-    <string name="title_advanced_key_info">"Extended Information"</string>
+    <string name="title_advanced_key_info">"Advanced"</string>
     <string name="title_delete_secret_key">"Delete YOUR key '%s'?"</string>
     <string name="title_manage_my_keys">"Manage my keys"</string>
 
@@ -126,7 +126,7 @@
     <string name="menu_select_all">"Select all"</string>
     <string name="menu_export_all_keys">"Export all keys"</string>
     <string name="menu_update_all_keys">"Update all keys"</string>
-    <string name="menu_advanced">"Extended information"</string>
+    <string name="menu_advanced">"Advanced"</string>
     <string name="menu_certify_fingerprint">"Confirm with fingerprint"</string>
     <string name="menu_certify_fingerprint_phrases">"Confirm with phrases"</string>
     <string name="menu_share_log">"Share log"</string>
@@ -598,10 +598,8 @@
     <string name="intent_send_decrypt">"Decrypt with OpenKeychain"</string>
 
     <!-- Remote API -->
-    <string name="api_settings_show_info">"Show extended information"</string>
-    <string name="api_settings_hide_info">"Hide extended information"</string>
-    <string name="api_settings_show_advanced">"Show extended settings"</string>
-    <string name="api_settings_hide_advanced">"Hide extended settings"</string>
+    <string name="api_settings_show_info">"Show advanced information"</string>
+    <string name="api_settings_hide_info">"Hide advanced information"</string>
     <string name="api_settings_no_key">"No key selected"</string>
     <string name="api_settings_select_key">"Select key"</string>
     <string name="api_settings_create_key">"Create new key"</string>
@@ -614,7 +612,7 @@
     <string name="api_settings_package_name">"Package Name"</string>
     <string name="api_settings_package_certificate">"SHA-256 of Package Certificate"</string>
     <string name="api_settings_accounts">"Accounts (old API)"</string>
-    <string name="api_settings_advanced">"Extended Information"</string>
+    <string name="api_settings_advanced">"Advanced"</string>
     <string name="api_settings_allowed_keys">"Allowed Keys"</string>
     <string name="api_settings_settings">"Settings"</string>
     <string name="api_settings_key">"Account key:"</string>
@@ -677,6 +675,7 @@
     <string name="key_view_action_share_nfc">"Share over NFC"</string>
     <string name="key_view_action_upload">"Upload to keyserver"</string>
     <string name="key_view_tab_main">"Main Info"</string>
+    <string name="key_view_tab_start">"Start"</string>
     <string name="key_view_tab_share">"Share"</string>
     <string name="key_view_tab_keys">"Subkeys"</string>
     <string name="key_view_tab_certs">"Certificates"</string>