Advanced screen, warning fragment

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyAdvActivity.java

@@ -61,10 +61,11 @@ public class ViewKeyAdvActivity extends BaseActivity implements
     protected Uri mDataUri;
 
     public static final String EXTRA_SELECTED_TAB = "selected_tab";
-    public static final int TAB_SHARE = 0;
-    public static final int TAB_IDENTITIES = 1;
-    public static final int TAB_SUBKEYS = 2;
-    public static final int TAB_CERTS = 3;
+    public static final int TAB_START = 0;
+    public static final int TAB_SHARE = 1;
+    public static final int TAB_IDENTITIES = 2;
+    public static final int TAB_SUBKEYS = 3;
+    public static final int TAB_CERTS = 4;
 
     // view
     private ViewPager mViewPager;
@@ -126,31 +127,35 @@ public class ViewKeyAdvActivity extends BaseActivity implements
         mViewPager.setAdapter(mTabAdapter);
 
         // keep track which of these are action mode enabled!
-        mTabsWithActionMode = new boolean[4];
+        mTabsWithActionMode = new boolean[5];
+
+        mTabAdapter.addTab(ViewKeyAdvStartFragment.class,
+                null, getString(R.string.key_view_tab_start));
+        mTabsWithActionMode[0] = false;
 
         Bundle shareBundle = new Bundle();
         shareBundle.putParcelable(ViewKeyAdvShareFragment.ARG_DATA_URI, dataUri);
         mTabAdapter.addTab(ViewKeyAdvShareFragment.class,
                 shareBundle, getString(R.string.key_view_tab_share));
-        mTabsWithActionMode[0] = false;
+        mTabsWithActionMode[1] = false;
 
         Bundle userIdsBundle = new Bundle();
         userIdsBundle.putParcelable(ViewKeyAdvUserIdsFragment.ARG_DATA_URI, dataUri);
         mTabAdapter.addTab(ViewKeyAdvUserIdsFragment.class,
                 userIdsBundle, getString(R.string.section_user_ids));
-        mTabsWithActionMode[1] = true;
+        mTabsWithActionMode[2] = true;
 
         Bundle keysBundle = new Bundle();
         keysBundle.putParcelable(ViewKeyAdvSubkeysFragment.ARG_DATA_URI, dataUri);
         mTabAdapter.addTab(ViewKeyAdvSubkeysFragment.class,
                 keysBundle, getString(R.string.key_view_tab_keys));
-        mTabsWithActionMode[2] = true;
+        mTabsWithActionMode[3] = true;
 
         Bundle certsBundle = new Bundle();
         certsBundle.putParcelable(ViewKeyAdvCertsFragment.ARG_DATA_URI, dataUri);
         mTabAdapter.addTab(ViewKeyAdvCertsFragment.class,
                 certsBundle, getString(R.string.key_view_tab_certs));
-        mTabsWithActionMode[3] = false;
+        mTabsWithActionMode[4] = false;
 
         // update layout after operations
         mSlidingTabLayout.setViewPager(mViewPager);
@@ -158,7 +163,7 @@ public class ViewKeyAdvActivity extends BaseActivity implements
 
         // switch to tab selected by extra
         Intent intent = getIntent();
-        int switchToTab = intent.getIntExtra(EXTRA_SELECTED_TAB, TAB_SHARE);
+        int switchToTab = intent.getIntExtra(EXTRA_SELECTED_TAB, TAB_START);
         mViewPager.setCurrentItem(switchToTab);
 
     }

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyAdvStartFragment.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2015 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.ui;
+
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import org.markdown4j.Markdown4jProcessor;
+import org.sufficientlysecure.htmltextview.HtmlTextView;
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.util.Log;
+
+import java.io.IOException;
+
+public class ViewKeyAdvStartFragment extends Fragment {
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.view_key_adv_start_fragment, container, false);
+
+        HtmlTextView textView = (HtmlTextView)
+                view.findViewById(R.id.view_key_adv_start_text);
+
+        // load markdown from raw resource
+        try {
+            String html = new Markdown4jProcessor().process(
+                    getActivity().getResources().openRawResource(R.raw.advanced));
+            textView.setHtmlFromString(html, new HtmlTextView.LocalImageGetter());
+        } catch (IOException e) {
+            Log.e(Constants.TAG, "IOException", e);
+        }
+
+        return view;
+    }
+
+}

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>