diff --git a/Graphics/get-material-icons.sh b/Graphics/get-material-icons.sh
index 8e905ed69..0ebeb46af 100755
--- a/Graphics/get-material-icons.sh
+++ b/Graphics/get-material-icons.sh
@@ -1,3 +1,9 @@
+# https://google.github.io/material-design-icons/
 cd ./android-icon-copier/
 python copy OpenKeychain action white search 24
-python copy OpenKeychain navigation white arrow_back 24
\ No newline at end of file
+python copy OpenKeychain navigation white arrow_back 24
+python copy OpenKeychain navigation white close 24
+python copy OpenKeychain navigation white check 24
+python copy OpenKeychain navigation black expand_less 24
+python copy OpenKeychain navigation black expand_more 24
+python copy OpenKeychain navigation white refresh 24
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/AccountSettingsActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/AccountSettingsActivity.java
index 2751db370..e5edd6a0f 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/AccountSettingsActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/AccountSettingsActivity.java
@@ -27,7 +27,6 @@ import android.view.View;
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.R;
 import org.sufficientlysecure.keychain.ui.BaseActivity;
-import org.sufficientlysecure.keychain.ui.util.ActionBarHelper;
 import org.sufficientlysecure.keychain.provider.ProviderHelper;
 import org.sufficientlysecure.keychain.remote.AccountSettings;
 import org.sufficientlysecure.keychain.operations.results.OperationResult;
@@ -45,14 +44,18 @@ public class AccountSettingsActivity extends BaseActivity {
         super.onCreate(savedInstanceState);
 
         // Inflate a "Done" custom action bar
-        ActionBarHelper.setOneButtonView(getSupportActionBar(),
-                R.string.api_settings_save, R.drawable.ic_action_done,
+        setFullScreenDialogDoneClose(R.string.api_settings_save,
                 new View.OnClickListener() {
                     @Override
                     public void onClick(View v) {
-                        // "Done"
                         save();
                     }
+                },
+                new View.OnClickListener() {
+                    @Override
+                    public void onClick(View v) {
+                        finish();
+                    }
                 });
 
 
@@ -129,9 +132,4 @@ public class AccountSettingsActivity extends BaseActivity {
         }
     }
 
-    @Override
-    public void onBackPressed() {
-        save();
-        super.onBackPressed();
-    }
 }
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/RemoteServiceActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/RemoteServiceActivity.java
index 447f02b55..cbc593b0a 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/RemoteServiceActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/RemoteServiceActivity.java
@@ -40,7 +40,6 @@ import org.sufficientlysecure.keychain.remote.AccountSettings;
 import org.sufficientlysecure.keychain.remote.AppSettings;
 import org.sufficientlysecure.keychain.ui.BaseActivity;
 import org.sufficientlysecure.keychain.ui.SelectPublicKeyFragment;
-import org.sufficientlysecure.keychain.ui.util.ActionBarHelper;
 import org.sufficientlysecure.keychain.ui.util.Notify;
 import org.sufficientlysecure.keychain.util.Log;
 
@@ -123,8 +122,8 @@ public class RemoteServiceActivity extends BaseActivity {
                 mAppSettingsFragment.setAppSettings(settings);
 
                 // Inflate a "Done"/"Cancel" custom action bar view
-                ActionBarHelper.setTwoButtonView(getSupportActionBar(),
-                        R.string.api_register_allow, R.drawable.ic_action_done,
+                setFullScreenDialogTwoButtons(
+                        R.string.api_register_allow, R.drawable.ic_check_white_24dp,
                         new View.OnClickListener() {
                             @Override
                             public void onClick(View v) {
@@ -137,7 +136,7 @@ public class RemoteServiceActivity extends BaseActivity {
                                 RemoteServiceActivity.this.setResult(RESULT_OK, resultData);
                                 RemoteServiceActivity.this.finish();
                             }
-                        }, R.string.api_register_disallow, R.drawable.ic_action_cancel,
+                        }, R.string.api_register_disallow, R.drawable.ic_close_white_24dp,
                         new View.OnClickListener() {
                             @Override
                             public void onClick(View v) {
@@ -179,8 +178,7 @@ public class RemoteServiceActivity extends BaseActivity {
                 mAccSettingsFragment.setAccSettings(settings);
 
                 // Inflate a "Done"/"Cancel" custom action bar view
-                ActionBarHelper.setTwoButtonView(getSupportActionBar(),
-                        R.string.api_settings_save, R.drawable.ic_action_done,
+                setFullScreenDialogDoneClose(R.string.api_settings_save,
                         new View.OnClickListener() {
                             @Override
                             public void onClick(View v) {
@@ -208,7 +206,7 @@ public class RemoteServiceActivity extends BaseActivity {
                                     RemoteServiceActivity.this.finish();
                                 }
                             }
-                        }, R.string.api_settings_cancel, R.drawable.ic_action_cancel,
+                        },
                         new View.OnClickListener() {
                             @Override
                             public void onClick(View v) {
@@ -216,8 +214,7 @@ public class RemoteServiceActivity extends BaseActivity {
                                 RemoteServiceActivity.this.setResult(RESULT_CANCELED);
                                 RemoteServiceActivity.this.finish();
                             }
-                        }
-                );
+                        });
 
                 break;
             }
@@ -264,8 +261,7 @@ public class RemoteServiceActivity extends BaseActivity {
                 initToolbar();
 
                 // Inflate a "Done"/"Cancel" custom action bar view
-                ActionBarHelper.setTwoButtonView(getSupportActionBar(),
-                        R.string.btn_okay, R.drawable.ic_action_done,
+                setFullScreenDialogDoneClose(R.string.btn_okay,
                         new View.OnClickListener() {
                             @Override
                             public void onClick(View v) {
@@ -277,16 +273,15 @@ public class RemoteServiceActivity extends BaseActivity {
                                 RemoteServiceActivity.this.setResult(RESULT_OK, resultData);
                                 RemoteServiceActivity.this.finish();
                             }
-                        }, R.string.btn_do_not_save, R.drawable.ic_action_cancel, new View.OnClickListener() {
+                        },
+                        new View.OnClickListener() {
                             @Override
                             public void onClick(View v) {
                                 // cancel
                                 RemoteServiceActivity.this.setResult(RESULT_CANCELED);
                                 RemoteServiceActivity.this.finish();
                             }
-                        }
-                );
-
+                        });
 
                 // set text on view
                 TextView textView = (TextView) findViewById(R.id.api_select_pub_keys_text);
@@ -323,8 +318,7 @@ public class RemoteServiceActivity extends BaseActivity {
                 initToolbar();
 
                 // Inflate a "Done" custom action bar view
-                ActionBarHelper.setOneButtonView(getSupportActionBar(),
-                        R.string.btn_okay, R.drawable.ic_action_done,
+                setFullScreenDialogClose(
                         new View.OnClickListener() {
 
                             @Override
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/BaseActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/BaseActivity.java
index c38d126d7..7423e6828 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/BaseActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/BaseActivity.java
@@ -17,14 +17,21 @@
 
 package org.sufficientlysecure.keychain.ui;
 
+import android.app.Activity;
 import android.os.Bundle;
+import android.support.v7.app.ActionBar;
 import android.support.v7.app.ActionBarActivity;
 import android.support.v7.widget.Toolbar;
+import android.view.Gravity;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
 
 import org.sufficientlysecure.keychain.R;
 
 /**
- * Sets action bar
+ * Setups Toolbar
  */
 public abstract class BaseActivity extends ActionBarActivity {
     protected Toolbar mToolbar;
@@ -49,4 +56,75 @@ public abstract class BaseActivity extends ActionBarActivity {
     protected void setActionBarIcon(int iconRes) {
         mToolbar.setNavigationIcon(iconRes);
     }
+
+    /**
+     * Inflate custom design to look like a full screen dialog, as specified in Material Design Guidelines
+     * see http://www.google.com/design/spec/components/dialogs.html#dialogs-full-screen-dialogs
+     */
+    protected void setFullScreenDialogDoneClose(int doneText, View.OnClickListener doneOnClickListener,
+                                                View.OnClickListener cancelOnClickListener) {
+        setActionBarIcon(R.drawable.ic_close_white_24dp);
+
+        // Inflate the custom action bar view
+        final LayoutInflater inflater = (LayoutInflater) getSupportActionBar().getThemedContext()
+                .getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
+        final View customActionBarView = inflater.inflate(R.layout.full_screen_dialog, null);
+
+        TextView firstTextView = ((TextView) customActionBarView.findViewById(R.id.full_screen_dialog_done_text));
+        firstTextView.setText(doneText);
+        customActionBarView.findViewById(R.id.full_screen_dialog_done).setOnClickListener(
+                doneOnClickListener);
+
+        getSupportActionBar().setDisplayShowCustomEnabled(true);
+        getSupportActionBar().setDisplayShowTitleEnabled(true);
+        getSupportActionBar().setCustomView(customActionBarView, new ActionBar.LayoutParams(
+                ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT,
+                Gravity.END));
+        mToolbar.setNavigationOnClickListener(cancelOnClickListener);
+    }
+
+    /**
+     * Close button only
+     */
+    protected void setFullScreenDialogClose(View.OnClickListener cancelOnClickListener) {
+        setActionBarIcon(R.drawable.ic_close_white_24dp);
+        getSupportActionBar().setDisplayShowTitleEnabled(true);
+        mToolbar.setNavigationOnClickListener(cancelOnClickListener);
+    }
+
+    /**
+     * Inflate custom design with two buttons using drawables.
+     * This does not conform to the Material Design Guidelines, but we deviate here as this is used
+     * to indicate "Allow access"/"Disallow access" to the API, which must be clearly indicated
+     */
+    protected void setFullScreenDialogTwoButtons(int firstText, int firstDrawableId, View.OnClickListener firstOnClickListener,
+                                                 int secondText, int secondDrawableId, View.OnClickListener secondOnClickListener) {
+
+        // Inflate the custom action bar view
+        final LayoutInflater inflater = (LayoutInflater) getSupportActionBar().getThemedContext()
+                .getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
+        final View customActionBarView = inflater.inflate(
+                R.layout.full_screen_dialog_2, null);
+
+        TextView firstTextView = ((TextView) customActionBarView.findViewById(R.id.actionbar_done_text));
+        firstTextView.setText(firstText);
+        firstTextView.setCompoundDrawablesWithIntrinsicBounds(firstDrawableId, 0, 0, 0);
+        customActionBarView.findViewById(R.id.actionbar_done).setOnClickListener(
+                firstOnClickListener);
+        TextView secondTextView = ((TextView) customActionBarView.findViewById(R.id.actionbar_cancel_text));
+        secondTextView.setText(secondText);
+        secondTextView.setCompoundDrawablesWithIntrinsicBounds(secondDrawableId, 0, 0, 0);
+        customActionBarView.findViewById(R.id.actionbar_cancel).setOnClickListener(
+                secondOnClickListener);
+
+        // Show the custom action bar view and hide the normal Home icon and title.
+        getSupportActionBar().setDisplayShowTitleEnabled(false);
+        getSupportActionBar().setDisplayShowHomeEnabled(false);
+        getSupportActionBar().setDisplayHomeAsUpEnabled(false);
+        getSupportActionBar().setDisplayShowCustomEnabled(true);
+        getSupportActionBar().setCustomView(customActionBarView, new ActionBar.LayoutParams(
+                ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
+    }
+
+
 }
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyFragment.java
index 2e2d26bf0..25ca6e8fd 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyFragment.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyFragment.java
@@ -29,7 +29,6 @@ import android.os.Messenger;
 import android.support.v4.app.LoaderManager;
 import android.support.v4.content.CursorLoader;
 import android.support.v4.content.Loader;
-import android.support.v7.app.ActionBarActivity;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.View.OnClickListener;
@@ -66,7 +65,6 @@ import org.sufficientlysecure.keychain.ui.dialog.EditSubkeyDialogFragment;
 import org.sufficientlysecure.keychain.ui.dialog.EditSubkeyExpiryDialogFragment;
 import org.sufficientlysecure.keychain.ui.dialog.EditUserIdDialogFragment;
 import org.sufficientlysecure.keychain.ui.dialog.SetPassphraseDialogFragment;
-import org.sufficientlysecure.keychain.ui.util.ActionBarHelper;
 import org.sufficientlysecure.keychain.ui.util.Notify;
 import org.sufficientlysecure.keychain.util.Log;
 
@@ -148,10 +146,8 @@ public class EditKeyFragment extends LoaderFragment implements
     @Override
     public void onActivityCreated(Bundle savedInstanceState) {
         super.onActivityCreated(savedInstanceState);
-
-        // Inflate a "Done"/"Cancel" custom action bar view
-        ActionBarHelper.setTwoButtonView(((ActionBarActivity) getActivity()).getSupportActionBar(),
-                R.string.btn_save, R.drawable.ic_action_save,
+        ((EditKeyActivity) getActivity()).setFullScreenDialogDoneClose(
+                R.string.btn_save,
                 new OnClickListener() {
                     @Override
                     public void onClick(View v) {
@@ -162,16 +158,13 @@ public class EditKeyFragment extends LoaderFragment implements
                             saveInDatabase(mCurrentPassphrase);
                         }
                     }
-                }, R.string.menu_key_edit_cancel, R.drawable.ic_action_cancel,
-                new OnClickListener() {
+                }, new OnClickListener() {
                     @Override
                     public void onClick(View v) {
-                        // cancel
                         getActivity().setResult(Activity.RESULT_CANCELED);
                         getActivity().finish();
                     }
-                }
-        );
+                });
 
         Uri dataUri = getArguments().getParcelable(ARG_DATA_URI);
         SaveKeyringParcel saveKeyringParcel = getArguments().getParcelable(ARG_SAVE_KEYRING_PARCEL);
@@ -393,8 +386,8 @@ public class EditKeyFragment extends LoaderFragment implements
 
                     // cache new returned passphrase!
                     mSaveKeyringParcel.mNewUnlock = new ChangeUnlockParcel(
-                        data.getString(SetPassphraseDialogFragment.MESSAGE_NEW_PASSPHRASE),
-                        null
+                            data.getString(SetPassphraseDialogFragment.MESSAGE_NEW_PASSPHRASE),
+                            null
                     );
                 }
             }
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/LogDisplayActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/LogDisplayActivity.java
index 21113fb2f..0de7bb391 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/LogDisplayActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/LogDisplayActivity.java
@@ -22,7 +22,6 @@ import android.os.Bundle;
 import android.view.View;
 
 import org.sufficientlysecure.keychain.R;
-import org.sufficientlysecure.keychain.ui.util.ActionBarHelper;
 
 public class LogDisplayActivity extends BaseActivity {
 
@@ -31,8 +30,7 @@ public class LogDisplayActivity extends BaseActivity {
         super.onCreate(savedInstanceState);
 
         // Inflate a "Done" custom action bar
-        ActionBarHelper.setOneButtonView(getSupportActionBar(),
-                R.string.btn_okay, R.drawable.ic_action_done,
+        setFullScreenDialogClose(
                 new View.OnClickListener() {
                     @Override
                     public void onClick(View v) {
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/QrCodeViewActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/QrCodeViewActivity.java
index 74ca19106..ef1d797be 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/QrCodeViewActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/QrCodeViewActivity.java
@@ -26,7 +26,6 @@ import android.widget.ImageView;
 
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.R;
-import org.sufficientlysecure.keychain.ui.util.ActionBarHelper;
 import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
 import org.sufficientlysecure.keychain.provider.KeychainContract;
 import org.sufficientlysecure.keychain.provider.ProviderHelper;
@@ -44,8 +43,7 @@ public class QrCodeViewActivity extends BaseActivity {
         super.onCreate(savedInstanceState);
 
         // Inflate a "Done" custom action bar
-        ActionBarHelper.setOneButtonView(getSupportActionBar(),
-                R.string.btn_okay, R.drawable.ic_action_done,
+        setFullScreenDialogClose(
                 new View.OnClickListener() {
                     @Override
                     public void onClick(View v) {
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SelectPublicKeyActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SelectPublicKeyActivity.java
index 33c4abba3..0e3374833 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SelectPublicKeyActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SelectPublicKeyActivity.java
@@ -24,7 +24,6 @@ import android.view.View;
 
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.R;
-import org.sufficientlysecure.keychain.ui.util.ActionBarHelper;
 
 public class SelectPublicKeyActivity extends BaseActivity {
 
@@ -46,21 +45,19 @@ public class SelectPublicKeyActivity extends BaseActivity {
         super.onCreate(savedInstanceState);
 
         // Inflate a "Done"/"Cancel" custom action bar view
-        ActionBarHelper.setTwoButtonView(getSupportActionBar(), R.string.btn_okay, R.drawable.ic_action_done,
+        setFullScreenDialogDoneClose(R.string.btn_okay,
                 new View.OnClickListener() {
                     @Override
                     public void onClick(View v) {
-                        // ok
                         okClicked();
                     }
-                }, R.string.btn_do_not_save, R.drawable.ic_action_cancel, new View.OnClickListener() {
+                },
+                new View.OnClickListener() {
                     @Override
                     public void onClick(View v) {
-                        // cancel
                         cancelClicked();
                     }
-                }
-        );
+                });
 
         setDefaultKeyMode(DEFAULT_KEYS_SEARCH_LOCAL);
 
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SettingsKeyServerActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SettingsKeyServerActivity.java
index 60346c16d..080dc2495 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SettingsKeyServerActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SettingsKeyServerActivity.java
@@ -27,7 +27,6 @@ import android.view.ViewGroup;
 import android.widget.TextView;
 
 import org.sufficientlysecure.keychain.R;
-import org.sufficientlysecure.keychain.ui.util.ActionBarHelper;
 import org.sufficientlysecure.keychain.ui.widget.Editor;
 import org.sufficientlysecure.keychain.ui.widget.Editor.EditorListener;
 import org.sufficientlysecure.keychain.ui.widget.KeyServerEditor;
@@ -51,21 +50,19 @@ public class SettingsKeyServerActivity extends BaseActivity implements OnClickLi
         super.onCreate(savedInstanceState);
 
         // Inflate a "Done"/"Cancel" custom action bar view
-        ActionBarHelper.setTwoButtonView(getSupportActionBar(), R.string.btn_okay, R.drawable.ic_action_done,
+        setFullScreenDialogDoneClose(R.string.btn_save,
                 new View.OnClickListener() {
                     @Override
                     public void onClick(View v) {
-                        // ok
                         okClicked();
                     }
-                }, R.string.btn_do_not_save, R.drawable.ic_action_cancel, new View.OnClickListener() {
+                },
+                new View.OnClickListener() {
                     @Override
                     public void onClick(View v) {
-                        // cancel
                         cancelClicked();
                     }
-                }
-        );
+                });
 
         mInflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyAdvancedActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyAdvancedActivity.java
index 4e3c6d2a6..471f55c47 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyAdvancedActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyAdvancedActivity.java
@@ -25,7 +25,6 @@ import android.view.View;
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.R;
 import org.sufficientlysecure.keychain.provider.ProviderHelper;
-import org.sufficientlysecure.keychain.ui.util.ActionBarHelper;
 import org.sufficientlysecure.keychain.util.ExportHelper;
 import org.sufficientlysecure.keychain.util.Log;
 
@@ -42,8 +41,7 @@ public class ViewKeyAdvancedActivity extends BaseActivity {
         mProviderHelper = new ProviderHelper(this);
 
         // Inflate a "Done" custom action bar
-        ActionBarHelper.setOneButtonView(getSupportActionBar(),
-                R.string.btn_okay, R.drawable.ic_action_done,
+        setFullScreenDialogClose(
                 new View.OnClickListener() {
                     @Override
                     public void onClick(View v) {
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/SubkeysAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/SubkeysAdapter.java
index 431cdc845..5ba09be7e 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/SubkeysAdapter.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/SubkeysAdapter.java
@@ -164,7 +164,7 @@ public class SubkeysAdapter extends CursorAdapter {
                 ? mSaveKeyringParcel.getSubkeyChange(keyId)
                 : null;
 
-        if (change.mDummyStrip) {
+        if (change != null && change.mDummyStrip) {
             algorithmStr.append(", ");
             final SpannableString boldStripped = new SpannableString(
                     context.getString(R.string.key_stripped)
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/util/ActionBarHelper.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/util/ActionBarHelper.java
deleted file mode 100644
index edd12ec73..000000000
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/util/ActionBarHelper.java
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * Copyright (C) 2013-2014 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.util;
-
-import android.app.Activity;
-import android.support.v7.app.ActionBar;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.View.OnClickListener;
-import android.view.ViewGroup;
-import android.widget.TextView;
-
-import org.sufficientlysecure.keychain.R;
-
-public class ActionBarHelper {
-
-    /**
-     * Sets custom view on ActionBar for Done/Cancel activities
-     *
-     * @param actionBar
-     * @param firstText
-     * @param firstDrawableId
-     * @param firstOnClickListener
-     * @param secondText
-     * @param secondDrawableId
-     * @param secondOnClickListener
-     */
-    public static void setTwoButtonView(ActionBar actionBar,
-                                int firstText, int firstDrawableId, OnClickListener firstOnClickListener,
-                                int secondText, int secondDrawableId, OnClickListener secondOnClickListener) {
-
-        // Inflate the custom action bar view
-        final LayoutInflater inflater = (LayoutInflater) actionBar.getThemedContext()
-                .getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
-        final View customActionBarView = inflater.inflate(
-                R.layout.actionbar_custom_view_done_cancel, null);
-
-        TextView firstTextView = ((TextView) customActionBarView.findViewById(R.id.actionbar_done_text));
-        firstTextView.setText(firstText);
-        firstTextView.setCompoundDrawablesWithIntrinsicBounds(firstDrawableId, 0, 0, 0);
-        customActionBarView.findViewById(R.id.actionbar_done).setOnClickListener(
-                firstOnClickListener);
-        TextView secondTextView = ((TextView) customActionBarView.findViewById(R.id.actionbar_cancel_text));
-        secondTextView.setText(secondText);
-        secondTextView.setCompoundDrawablesWithIntrinsicBounds(secondDrawableId, 0, 0, 0);
-        customActionBarView.findViewById(R.id.actionbar_cancel).setOnClickListener(
-                secondOnClickListener);
-
-        // Show the custom action bar view and hide the normal Home icon and title.
-        actionBar.setDisplayShowTitleEnabled(false);
-        actionBar.setDisplayShowHomeEnabled(false);
-        actionBar.setDisplayShowCustomEnabled(true);
-        actionBar.setCustomView(customActionBarView, new ActionBar.LayoutParams(
-                ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
-    }
-
-    /**
-     * Sets custom view on ActionBar for Done activities
-     *
-     * @param actionBar
-     * @param firstText
-     * @param firstOnClickListener
-     */
-    public static void setOneButtonView(ActionBar actionBar, int firstText, int firstDrawableId,
-                                        OnClickListener firstOnClickListener) {
-        // Inflate a "Done" custom action bar view to serve as the "Up" affordance.
-        final LayoutInflater inflater = (LayoutInflater) actionBar.getThemedContext()
-                .getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
-        final View customActionBarView = inflater
-                .inflate(R.layout.actionbar_custom_view_done, null);
-
-        TextView firstTextView = ((TextView) customActionBarView.findViewById(R.id.actionbar_done_text));
-        firstTextView.setText(firstText);
-        firstTextView.setCompoundDrawablesWithIntrinsicBounds(firstDrawableId, 0, 0, 0);
-        customActionBarView.findViewById(R.id.actionbar_done).setOnClickListener(
-                firstOnClickListener);
-
-        // Show the custom action bar view and hide the normal Home icon and title.
-        actionBar.setDisplayShowTitleEnabled(false);
-        actionBar.setDisplayShowHomeEnabled(false);
-        actionBar.setDisplayShowCustomEnabled(true);
-        actionBar.setCustomView(customActionBarView);
-    }
-}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/FoldableLinearLayout.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/FoldableLinearLayout.java
index b456b61ab..34e7b639a 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/FoldableLinearLayout.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/FoldableLinearLayout.java
@@ -33,17 +33,16 @@ import org.sufficientlysecure.keychain.R;
 /**
  * Class representing a LinearLayout that can fold and hide it's content when pressed
  * To use just add the following to your xml layout
-
- <org.sufficientlysecure.keychain.ui.widget.FoldableLinearLayout
-     android:layout_width="wrap_content"
-     android:layout_height="wrap_content"
-     custom:foldedLabel="@string/TEXT_TO_DISPLAY_WHEN_FOLDED"
-     custom:unFoldedLabel="@string/TEXT_TO_DISPLAY_WHEN_UNFOLDED">
-
-    <include layout="@layout/ELEMENTS_TO_BE_FOLDED"/>
-
- </org.sufficientlysecure.keychain.ui.widget.FoldableLinearLayout>
-
+ * <p/>
+ * <org.sufficientlysecure.keychain.ui.widget.FoldableLinearLayout
+ * android:layout_width="wrap_content"
+ * android:layout_height="wrap_content"
+ * custom:foldedLabel="@string/TEXT_TO_DISPLAY_WHEN_FOLDED"
+ * custom:unFoldedLabel="@string/TEXT_TO_DISPLAY_WHEN_UNFOLDED">
+ * <p/>
+ * <include layout="@layout/ELEMENTS_TO_BE_FOLDED"/>
+ * <p/>
+ * </org.sufficientlysecure.keychain.ui.widget.FoldableLinearLayout>
  */
 public class FoldableLinearLayout extends LinearLayout {
 
@@ -75,6 +74,7 @@ public class FoldableLinearLayout extends LinearLayout {
 
     /**
      * Load given attributes to inner variables,
+     *
      * @param context
      * @param attrs
      */
@@ -87,8 +87,8 @@ public class FoldableLinearLayout extends LinearLayout {
             a.recycle();
         }
         // If any attribute isn't found then set a default one
-        mFoldedLabel = (mFoldedLabel == null) ? context.getString(R.id.none) : mFoldedLabel;
-        mUnFoldedLabel = (mUnFoldedLabel == null) ? context.getString(R.id.none) : mUnFoldedLabel;
+        mFoldedLabel = (mFoldedLabel == null) ? context.getString(R.string.none) : mFoldedLabel;
+        mUnFoldedLabel = (mUnFoldedLabel == null) ? context.getString(R.string.none) : mUnFoldedLabel;
     }
 
     @Override
@@ -138,7 +138,7 @@ public class FoldableLinearLayout extends LinearLayout {
 
     private void initialiseInnerViews() {
         mFoldableIcon = (ImageView) mFoldableLayout.findViewById(R.id.foldableIcon);
-        mFoldableIcon.setImageResource(R.drawable.ic_action_expand);
+        mFoldableIcon.setImageResource(R.drawable.ic_expand_more_black_24dp);
         mFoldableTextView = (TextView) mFoldableLayout.findViewById(R.id.foldableText);
         mFoldableTextView.setText(mFoldedLabel);
 
@@ -151,7 +151,7 @@ public class FoldableLinearLayout extends LinearLayout {
             public void onClick(View view) {
                 mFolded = !mFolded;
                 if (mFolded) {
-                    mFoldableIcon.setImageResource(R.drawable.ic_action_collapse);
+                    mFoldableIcon.setImageResource(R.drawable.ic_expand_less_black_24dp);
                     mFoldableContainer.setVisibility(View.VISIBLE);
                     AlphaAnimation animation = new AlphaAnimation(0f, 1f);
                     animation.setDuration(mShortAnimationDuration);
@@ -159,12 +159,13 @@ public class FoldableLinearLayout extends LinearLayout {
                     mFoldableTextView.setText(mUnFoldedLabel);
 
                 } else {
-                    mFoldableIcon.setImageResource(R.drawable.ic_action_expand);
+                    mFoldableIcon.setImageResource(R.drawable.ic_expand_more_black_24dp);
                     AlphaAnimation animation = new AlphaAnimation(1f, 0f);
                     animation.setDuration(mShortAnimationDuration);
                     animation.setAnimationListener(new Animation.AnimationListener() {
                         @Override
-                        public void onAnimationStart(Animation animation) { }
+                        public void onAnimationStart(Animation animation) {
+                        }
 
                         @Override
                         public void onAnimationEnd(Animation animation) {
@@ -173,7 +174,8 @@ public class FoldableLinearLayout extends LinearLayout {
                         }
 
                         @Override
-                        public void onAnimationRepeat(Animation animation) { }
+                        public void onAnimationRepeat(Animation animation) {
+                        }
                     });
                     mFoldableContainer.startAnimation(animation);
                     mFoldableTextView.setText(mFoldedLabel);
@@ -185,6 +187,7 @@ public class FoldableLinearLayout extends LinearLayout {
 
     /**
      * Adds provided child view to foldableContainer View
+     *
      * @param child
      */
     @Override
diff --git a/OpenKeychain/src/main/res/drawable-hdpi/ic_action_collapse.png b/OpenKeychain/src/main/res/drawable-hdpi/ic_action_collapse.png
deleted file mode 100644
index e9d2dcb46..000000000
Binary files a/OpenKeychain/src/main/res/drawable-hdpi/ic_action_collapse.png and /dev/null differ
diff --git a/OpenKeychain/src/main/res/drawable-hdpi/ic_action_expand.png b/OpenKeychain/src/main/res/drawable-hdpi/ic_action_expand.png
deleted file mode 100644
index 29f4de211..000000000
Binary files a/OpenKeychain/src/main/res/drawable-hdpi/ic_action_expand.png and /dev/null differ
diff --git a/OpenKeychain/src/main/res/drawable-hdpi/ic_check_white_24dp.png b/OpenKeychain/src/main/res/drawable-hdpi/ic_check_white_24dp.png
new file mode 100644
index 000000000..f42a0e2d2
Binary files /dev/null and b/OpenKeychain/src/main/res/drawable-hdpi/ic_check_white_24dp.png differ
diff --git a/OpenKeychain/src/main/res/drawable-hdpi/ic_close_white_24dp.png b/OpenKeychain/src/main/res/drawable-hdpi/ic_close_white_24dp.png
new file mode 100644
index 000000000..0fd15563a
Binary files /dev/null and b/OpenKeychain/src/main/res/drawable-hdpi/ic_close_white_24dp.png differ
diff --git a/OpenKeychain/src/main/res/drawable-hdpi/ic_expand_less_black_24dp.png b/OpenKeychain/src/main/res/drawable-hdpi/ic_expand_less_black_24dp.png
new file mode 100644
index 000000000..35e3b426f
Binary files /dev/null and b/OpenKeychain/src/main/res/drawable-hdpi/ic_expand_less_black_24dp.png differ
diff --git a/OpenKeychain/src/main/res/drawable-hdpi/ic_expand_more_black_24dp.png b/OpenKeychain/src/main/res/drawable-hdpi/ic_expand_more_black_24dp.png
new file mode 100644
index 000000000..ed993f35d
Binary files /dev/null and b/OpenKeychain/src/main/res/drawable-hdpi/ic_expand_more_black_24dp.png differ
diff --git a/OpenKeychain/src/main/res/drawable-hdpi/ic_refresh_white_24dp.png b/OpenKeychain/src/main/res/drawable-hdpi/ic_refresh_white_24dp.png
new file mode 100644
index 000000000..cd16fdd50
Binary files /dev/null and b/OpenKeychain/src/main/res/drawable-hdpi/ic_refresh_white_24dp.png differ
diff --git a/OpenKeychain/src/main/res/drawable-mdpi/ic_action_collapse.png b/OpenKeychain/src/main/res/drawable-mdpi/ic_action_collapse.png
deleted file mode 100644
index 4ac28f270..000000000
Binary files a/OpenKeychain/src/main/res/drawable-mdpi/ic_action_collapse.png and /dev/null differ
diff --git a/OpenKeychain/src/main/res/drawable-mdpi/ic_action_expand.png b/OpenKeychain/src/main/res/drawable-mdpi/ic_action_expand.png
deleted file mode 100644
index bb46bb315..000000000
Binary files a/OpenKeychain/src/main/res/drawable-mdpi/ic_action_expand.png and /dev/null differ
diff --git a/OpenKeychain/src/main/res/drawable-mdpi/ic_check_white_24dp.png b/OpenKeychain/src/main/res/drawable-mdpi/ic_check_white_24dp.png
new file mode 100644
index 000000000..e91f9048b
Binary files /dev/null and b/OpenKeychain/src/main/res/drawable-mdpi/ic_check_white_24dp.png differ
diff --git a/OpenKeychain/src/main/res/drawable-mdpi/ic_close_white_24dp.png b/OpenKeychain/src/main/res/drawable-mdpi/ic_close_white_24dp.png
new file mode 100644
index 000000000..e80681aeb
Binary files /dev/null and b/OpenKeychain/src/main/res/drawable-mdpi/ic_close_white_24dp.png differ
diff --git a/OpenKeychain/src/main/res/drawable-mdpi/ic_expand_less_black_24dp.png b/OpenKeychain/src/main/res/drawable-mdpi/ic_expand_less_black_24dp.png
new file mode 100644
index 000000000..a5ab2c5d3
Binary files /dev/null and b/OpenKeychain/src/main/res/drawable-mdpi/ic_expand_less_black_24dp.png differ
diff --git a/OpenKeychain/src/main/res/drawable-mdpi/ic_expand_more_black_24dp.png b/OpenKeychain/src/main/res/drawable-mdpi/ic_expand_more_black_24dp.png
new file mode 100644
index 000000000..73fc3b422
Binary files /dev/null and b/OpenKeychain/src/main/res/drawable-mdpi/ic_expand_more_black_24dp.png differ
diff --git a/OpenKeychain/src/main/res/drawable-mdpi/ic_refresh_white_24dp.png b/OpenKeychain/src/main/res/drawable-mdpi/ic_refresh_white_24dp.png
new file mode 100644
index 000000000..235c84f1e
Binary files /dev/null and b/OpenKeychain/src/main/res/drawable-mdpi/ic_refresh_white_24dp.png differ
diff --git a/OpenKeychain/src/main/res/drawable-xhdpi/ic_action_collapse.png b/OpenKeychain/src/main/res/drawable-xhdpi/ic_action_collapse.png
deleted file mode 100644
index 60ac6b066..000000000
Binary files a/OpenKeychain/src/main/res/drawable-xhdpi/ic_action_collapse.png and /dev/null differ
diff --git a/OpenKeychain/src/main/res/drawable-xhdpi/ic_action_expand.png b/OpenKeychain/src/main/res/drawable-xhdpi/ic_action_expand.png
deleted file mode 100644
index 76937f57a..000000000
Binary files a/OpenKeychain/src/main/res/drawable-xhdpi/ic_action_expand.png and /dev/null differ
diff --git a/OpenKeychain/src/main/res/drawable-xhdpi/ic_check_white_24dp.png b/OpenKeychain/src/main/res/drawable-xhdpi/ic_check_white_24dp.png
new file mode 100644
index 000000000..e5024472a
Binary files /dev/null and b/OpenKeychain/src/main/res/drawable-xhdpi/ic_check_white_24dp.png differ
diff --git a/OpenKeychain/src/main/res/drawable-xhdpi/ic_close_white_24dp.png b/OpenKeychain/src/main/res/drawable-xhdpi/ic_close_white_24dp.png
new file mode 100644
index 000000000..76e07f097
Binary files /dev/null and b/OpenKeychain/src/main/res/drawable-xhdpi/ic_close_white_24dp.png differ
diff --git a/OpenKeychain/src/main/res/drawable-xhdpi/ic_expand_less_black_24dp.png b/OpenKeychain/src/main/res/drawable-xhdpi/ic_expand_less_black_24dp.png
new file mode 100644
index 000000000..47c7b52a1
Binary files /dev/null and b/OpenKeychain/src/main/res/drawable-xhdpi/ic_expand_less_black_24dp.png differ
diff --git a/OpenKeychain/src/main/res/drawable-xhdpi/ic_expand_more_black_24dp.png b/OpenKeychain/src/main/res/drawable-xhdpi/ic_expand_more_black_24dp.png
new file mode 100644
index 000000000..45d30d999
Binary files /dev/null and b/OpenKeychain/src/main/res/drawable-xhdpi/ic_expand_more_black_24dp.png differ
diff --git a/OpenKeychain/src/main/res/drawable-xhdpi/ic_refresh_white_24dp.png b/OpenKeychain/src/main/res/drawable-xhdpi/ic_refresh_white_24dp.png
new file mode 100644
index 000000000..5f89fc257
Binary files /dev/null and b/OpenKeychain/src/main/res/drawable-xhdpi/ic_refresh_white_24dp.png differ
diff --git a/OpenKeychain/src/main/res/drawable-xxhdpi/ic_action_collapse.png b/OpenKeychain/src/main/res/drawable-xxhdpi/ic_action_collapse.png
deleted file mode 100644
index 76ec594dc..000000000
Binary files a/OpenKeychain/src/main/res/drawable-xxhdpi/ic_action_collapse.png and /dev/null differ
diff --git a/OpenKeychain/src/main/res/drawable-xxhdpi/ic_action_expand.png b/OpenKeychain/src/main/res/drawable-xxhdpi/ic_action_expand.png
deleted file mode 100644
index 22003198b..000000000
Binary files a/OpenKeychain/src/main/res/drawable-xxhdpi/ic_action_expand.png and /dev/null differ
diff --git a/OpenKeychain/src/main/res/drawable-xxhdpi/ic_check_white_24dp.png b/OpenKeychain/src/main/res/drawable-xxhdpi/ic_check_white_24dp.png
new file mode 100644
index 000000000..6e03d54cf
Binary files /dev/null and b/OpenKeychain/src/main/res/drawable-xxhdpi/ic_check_white_24dp.png differ
diff --git a/OpenKeychain/src/main/res/drawable-xxhdpi/ic_close_white_24dp.png b/OpenKeychain/src/main/res/drawable-xxhdpi/ic_close_white_24dp.png
new file mode 100644
index 000000000..0eb9d8b08
Binary files /dev/null and b/OpenKeychain/src/main/res/drawable-xxhdpi/ic_close_white_24dp.png differ
diff --git a/OpenKeychain/src/main/res/drawable-xxhdpi/ic_expand_less_black_24dp.png b/OpenKeychain/src/main/res/drawable-xxhdpi/ic_expand_less_black_24dp.png
new file mode 100644
index 000000000..0470e3f02
Binary files /dev/null and b/OpenKeychain/src/main/res/drawable-xxhdpi/ic_expand_less_black_24dp.png differ
diff --git a/OpenKeychain/src/main/res/drawable-xxhdpi/ic_expand_more_black_24dp.png b/OpenKeychain/src/main/res/drawable-xxhdpi/ic_expand_more_black_24dp.png
new file mode 100644
index 000000000..aadd04af6
Binary files /dev/null and b/OpenKeychain/src/main/res/drawable-xxhdpi/ic_expand_more_black_24dp.png differ
diff --git a/OpenKeychain/src/main/res/drawable-xxhdpi/ic_refresh_white_24dp.png b/OpenKeychain/src/main/res/drawable-xxhdpi/ic_refresh_white_24dp.png
new file mode 100644
index 000000000..72128fe69
Binary files /dev/null and b/OpenKeychain/src/main/res/drawable-xxhdpi/ic_refresh_white_24dp.png differ
diff --git a/OpenKeychain/src/main/res/drawable-xxxhdpi/ic_check_white_24dp.png b/OpenKeychain/src/main/res/drawable-xxxhdpi/ic_check_white_24dp.png
new file mode 100644
index 000000000..87892840e
Binary files /dev/null and b/OpenKeychain/src/main/res/drawable-xxxhdpi/ic_check_white_24dp.png differ
diff --git a/OpenKeychain/src/main/res/drawable-xxxhdpi/ic_close_white_24dp.png b/OpenKeychain/src/main/res/drawable-xxxhdpi/ic_close_white_24dp.png
new file mode 100644
index 000000000..7b2a480a0
Binary files /dev/null and b/OpenKeychain/src/main/res/drawable-xxxhdpi/ic_close_white_24dp.png differ
diff --git a/OpenKeychain/src/main/res/drawable-xxxhdpi/ic_expand_less_black_24dp.png b/OpenKeychain/src/main/res/drawable-xxxhdpi/ic_expand_less_black_24dp.png
new file mode 100644
index 000000000..08ae54533
Binary files /dev/null and b/OpenKeychain/src/main/res/drawable-xxxhdpi/ic_expand_less_black_24dp.png differ
diff --git a/OpenKeychain/src/main/res/drawable-xxxhdpi/ic_expand_more_black_24dp.png b/OpenKeychain/src/main/res/drawable-xxxhdpi/ic_expand_more_black_24dp.png
new file mode 100644
index 000000000..228b2a982
Binary files /dev/null and b/OpenKeychain/src/main/res/drawable-xxxhdpi/ic_expand_more_black_24dp.png differ
diff --git a/OpenKeychain/src/main/res/drawable-xxxhdpi/ic_refresh_white_24dp.png b/OpenKeychain/src/main/res/drawable-xxxhdpi/ic_refresh_white_24dp.png
new file mode 100644
index 000000000..d271d8e03
Binary files /dev/null and b/OpenKeychain/src/main/res/drawable-xxxhdpi/ic_refresh_white_24dp.png differ
diff --git a/OpenKeychain/src/main/res/layout/actionbar_custom_view_done.xml b/OpenKeychain/src/main/res/layout/actionbar_custom_view_done.xml
deleted file mode 100644
index b219038b2..000000000
--- a/OpenKeychain/src/main/res/layout/actionbar_custom_view_done.xml
+++ /dev/null
@@ -1,26 +0,0 @@
-<!--
-      Copyright 2013 The Android Open Source Project
-
-      Licensed under the Apache License, Version 2.0 (the "License");
-      you may not use this file except in compliance with the License.
-      You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-      Unless required by applicable law or agreed to in writing, software
-      distributed under the License is distributed on an "AS IS" BASIS,
-      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-      See the License for the specific language governing permissions and
-      limitations under the License.
--->
-
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:dividerPadding="12dp"
-    android:orientation="horizontal"
-    android:showDividers="end" >
-
-    <include layout="@layout/actionbar_include_done_button" />
-
-</LinearLayout>
\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/layout/actionbar_custom_view_done_cancel.xml b/OpenKeychain/src/main/res/layout/actionbar_custom_view_done_cancel.xml
deleted file mode 100644
index e9047e759..000000000
--- a/OpenKeychain/src/main/res/layout/actionbar_custom_view_done_cancel.xml
+++ /dev/null
@@ -1,28 +0,0 @@
-<!--
-      Copyright 2013 The Android Open Source Project
-
-      Licensed under the Apache License, Version 2.0 (the "License");
-      you may not use this file except in compliance with the License.
-      You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-      Unless required by applicable law or agreed to in writing, software
-      distributed under the License is distributed on an "AS IS" BASIS,
-      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-      See the License for the specific language governing permissions and
-      limitations under the License.
--->
-
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:dividerPadding="12dp"
-    android:orientation="horizontal"
-    android:showDividers="middle">
-
-    <include layout="@layout/actionbar_include_cancel_button" />
-
-    <include layout="@layout/actionbar_include_done_button" />
-
-</LinearLayout>
\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/layout/foldable_linearlayout.xml b/OpenKeychain/src/main/res/layout/foldable_linearlayout.xml
index 13cf7c225..d6165c1e0 100644
--- a/OpenKeychain/src/main/res/layout/foldable_linearlayout.xml
+++ b/OpenKeychain/src/main/res/layout/foldable_linearlayout.xml
@@ -17,7 +17,7 @@
                 android:layout_height="wrap_content"
                 android:layout_gravity="center_vertical"
                 android:layout_marginRight="10dp"
-                android:src="@drawable/ic_action_expand"/>
+                android:src="@drawable/ic_expand_more_black_24dp"/>
 
         <TextView
                 android:id="@+id/foldableText"
diff --git a/OpenKeychain/src/main/res/layout/full_screen_dialog.xml b/OpenKeychain/src/main/res/layout/full_screen_dialog.xml
new file mode 100644
index 000000000..5eb50da07
--- /dev/null
+++ b/OpenKeychain/src/main/res/layout/full_screen_dialog.xml
@@ -0,0 +1,10 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="wrap_content"
+    android:layout_height="match_parent"
+    android:dividerPadding="12dp"
+    android:orientation="horizontal"
+    android:showDividers="middle">
+
+    <include layout="@layout/full_screen_dialog_done_button" />
+
+</LinearLayout>
\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/layout/full_screen_dialog_2.xml b/OpenKeychain/src/main/res/layout/full_screen_dialog_2.xml
new file mode 100644
index 000000000..b1d5efe76
--- /dev/null
+++ b/OpenKeychain/src/main/res/layout/full_screen_dialog_2.xml
@@ -0,0 +1,12 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:dividerPadding="12dp"
+    android:orientation="horizontal"
+    android:showDividers="middle">
+
+    <include layout="@layout/full_screen_dialog_2_cancel_button" />
+
+    <include layout="@layout/full_screen_dialog_2_done_button" />
+
+</LinearLayout>
\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/layout/actionbar_include_cancel_button.xml b/OpenKeychain/src/main/res/layout/full_screen_dialog_2_cancel_button.xml
similarity index 56%
rename from OpenKeychain/src/main/res/layout/actionbar_include_cancel_button.xml
rename to OpenKeychain/src/main/res/layout/full_screen_dialog_2_cancel_button.xml
index ec27e394a..7c2c2a62d 100644
--- a/OpenKeychain/src/main/res/layout/actionbar_include_cancel_button.xml
+++ b/OpenKeychain/src/main/res/layout/full_screen_dialog_2_cancel_button.xml
@@ -1,19 +1,3 @@
-<!--
-      Copyright 2013 The Android Open Source Project
-
-      Licensed under the Apache License, Version 2.0 (the "License");
-      you may not use this file except in compliance with the License.
-      You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-      Unless required by applicable law or agreed to in writing, software
-      distributed under the License is distributed on an "AS IS" BASIS,
-      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-      See the License for the specific language governing permissions and
-      limitations under the License.
--->
-
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/actionbar_cancel"
     style="@style/Widget.AppCompat.ActionButton"
@@ -30,12 +14,14 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
-        android:drawableLeft="@drawable/ic_action_cancel"
+        android:drawableLeft="@drawable/ic_close_white_24dp"
         android:drawablePadding="8dp"
         android:gravity="center_vertical"
         android:paddingRight="20dp"
         android:filterTouchesWhenObscured="true"
         style="@style/Widget.AppCompat.Light.ActionBar.TabText"
+        android:textAllCaps="true"
+        android:textSize="14sp"
         android:text="Cancel (set in-code!)" />
 
 </FrameLayout>
\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/layout/actionbar_include_done_button.xml b/OpenKeychain/src/main/res/layout/full_screen_dialog_2_done_button.xml
similarity index 55%
rename from OpenKeychain/src/main/res/layout/actionbar_include_done_button.xml
rename to OpenKeychain/src/main/res/layout/full_screen_dialog_2_done_button.xml
index 2590f272c..cd24a1e6d 100644
--- a/OpenKeychain/src/main/res/layout/actionbar_include_done_button.xml
+++ b/OpenKeychain/src/main/res/layout/full_screen_dialog_2_done_button.xml
@@ -1,19 +1,3 @@
-<!--
-      Copyright 2013 The Android Open Source Project
-
-      Licensed under the Apache License, Version 2.0 (the "License");
-      you may not use this file except in compliance with the License.
-      You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-      Unless required by applicable law or agreed to in writing, software
-      distributed under the License is distributed on an "AS IS" BASIS,
-      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-      See the License for the specific language governing permissions and
-      limitations under the License.
--->
-
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/actionbar_done"
     style="@style/Widget.AppCompat.ActionButton"
@@ -30,12 +14,14 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
-        android:drawableLeft="@drawable/ic_action_done"
+        android:drawableLeft="@drawable/ic_check_white_24dp"
         android:drawablePadding="8dp"
         android:gravity="center_vertical"
         android:paddingRight="20dp"
         android:filterTouchesWhenObscured="true"
         style="@style/Widget.AppCompat.Light.ActionBar.TabText"
+        android:textAllCaps="true"
+        android:textSize="14sp"
         android:text="Done (set in-code!)" />
 
 </FrameLayout>
\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/layout/full_screen_dialog_done_button.xml b/OpenKeychain/src/main/res/layout/full_screen_dialog_done_button.xml
new file mode 100644
index 000000000..49018fee1
--- /dev/null
+++ b/OpenKeychain/src/main/res/layout/full_screen_dialog_done_button.xml
@@ -0,0 +1,25 @@
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/full_screen_dialog_done"
+    style="@style/Widget.AppCompat.ActionButton"
+    android:layout_width="wrap_content"
+    android:layout_height="match_parent">
+
+    <!--
+        android:filterTouchesWhenObscured="true" to prevent Touch-Event Hijacking
+        https://blog.lookout.com/blog/2010/12/09/android-touch-event-hijacking/
+    -->
+    <TextView
+        android:id="@+id/full_screen_dialog_done_text"
+        android:layout_width="wrap_content"
+        android:layout_height="match_parent"
+        android:layout_gravity="center"
+        android:gravity="center_vertical"
+        android:paddingRight="16dp"
+        android:paddingEnd="16dp"
+        style="@style/Widget.AppCompat.Light.ActionBar.TabText"
+        android:textAllCaps="true"
+        android:textSize="14sp"
+        android:filterTouchesWhenObscured="true"
+        android:text="Done (set in-code!)" />
+
+</FrameLayout>
\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/layout/full_screen_dialog_old.xml b/OpenKeychain/src/main/res/layout/full_screen_dialog_old.xml
new file mode 100644
index 000000000..ed375094f
--- /dev/null
+++ b/OpenKeychain/src/main/res/layout/full_screen_dialog_old.xml
@@ -0,0 +1,10 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:dividerPadding="12dp"
+    android:orientation="horizontal"
+    android:showDividers="end" >
+
+    <include layout="@layout/full_screen_dialog_2_done_button" />
+
+</LinearLayout>
\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/values/strings.xml b/OpenKeychain/src/main/res/values/strings.xml
index 95e224672..459bdf99c 100644
--- a/OpenKeychain/src/main/res/values/strings.xml
+++ b/OpenKeychain/src/main/res/values/strings.xml
@@ -20,7 +20,7 @@
     <string name="title_preferences">"Settings"</string>
     <string name="title_cloud_search_preferences">"Cloud Search Preferences"</string>
     <string name="title_api_registered_apps">"Apps"</string>
-    <string name="title_key_server_preference">"Keyserver Preference"</string>
+    <string name="title_key_server_preference">"Keyservers"</string>
     <string name="title_change_passphrase">"Change Passphrase"</string>
     <string name="title_share_fingerprint_with">"Share fingerprint with…"</string>
     <string name="title_share_key">"Share key with…"</string>
diff --git a/OpenKeychain/src/main/res/values/themes.xml b/OpenKeychain/src/main/res/values/themes.xml
index 602c85247..deab168d3 100644
--- a/OpenKeychain/src/main/res/values/themes.xml
+++ b/OpenKeychain/src/main/res/values/themes.xml
@@ -18,7 +18,7 @@
         <!-- Background for the actions section (e.g. voice, submit) -->
         <!--<item name="submitBackground">...</item>-->
         <!-- Close button icon -->
-        <!--<item name="closeIcon">...</item>-->
+        <item name="closeIcon">@drawable/ic_close_white_24dp</item>
         <!-- Search button icon -->
         <!--<item name="searchIcon">...</item>-->
         <!-- Go/commit button icon -->