display open pgp key id in account details and allow to delete

8 files changed, 176 insertions, 62 deletions

diff --git a/src/main/java/de/pixart/messenger/crypto/PgpEngine.java b/src/main/java/de/pixart/messenger/crypto/PgpEngine.java
index c906c7514..1979acbb9 100644
--- a/src/main/java/de/pixart/messenger/crypto/PgpEngine.java
+++ b/src/main/java/de/pixart/messenger/crypto/PgpEngine.java
@@ -304,10 +304,6 @@ public class PgpEngine {
         }
     }
 
-    public PendingIntent getIntentForKey(Contact contact) {
-        return getIntentForKey(contact.getPgpKeyId());
-    }
-
     public PendingIntent getIntentForKey(long pgpKeyId) {
         Intent params = new Intent();
         params.setAction(OpenPgpApi.ACTION_GET_KEY);
diff --git a/src/main/java/de/pixart/messenger/entities/Account.java b/src/main/java/de/pixart/messenger/entities/Account.java
index e9fb800cc..18e991367 100644
--- a/src/main/java/de/pixart/messenger/entities/Account.java
+++ b/src/main/java/de/pixart/messenger/entities/Account.java
@@ -554,7 +554,11 @@ public class Account extends AbstractEntity {
     public boolean setPgpSignId(long pgpID) {
         synchronized (this.keys) {
             try {
-                keys.put(KEY_PGP_ID, pgpID);
+                if (pgpID == 0) {
+                    keys.remove(KEY_PGP_ID);
+                } else {
+                    keys.put(KEY_PGP_ID, pgpID);
+                }
             } catch (JSONException e) {
                 return false;
             }
diff --git a/src/main/java/de/pixart/messenger/ui/ContactDetailsActivity.java b/src/main/java/de/pixart/messenger/ui/ContactDetailsActivity.java
index 1c54d2ff3..a38ae7e59 100644
--- a/src/main/java/de/pixart/messenger/ui/ContactDetailsActivity.java
+++ b/src/main/java/de/pixart/messenger/ui/ContactDetailsActivity.java
@@ -37,7 +37,6 @@ import java.util.concurrent.atomic.AtomicInteger;
 
 import de.pixart.messenger.Config;
 import de.pixart.messenger.R;
-import de.pixart.messenger.crypto.PgpEngine;
 import de.pixart.messenger.crypto.axolotl.AxolotlService;
 import de.pixart.messenger.crypto.axolotl.FingerprintStatus;
 import de.pixart.messenger.crypto.axolotl.XmppAxolotlSession;
@@ -555,7 +554,7 @@ public class ContactDetailsActivity extends OmemoActivity implements OnAccountUp
                         .findViewById(R.id.button_remove);
                 removeButton.setVisibility(View.VISIBLE);
                 key.setText(CryptoHelper.prettifyFingerprint(otrFingerprint));
-                if (otrFingerprint != null && otrFingerprint.equals(messageFingerprint)) {
+                if (otrFingerprint != null && otrFingerprint.equalsIgnoreCase(messageFingerprint)) {
                     keyType.setText(R.string.otr_fingerprint_selected_message);
                     keyType.setTextColor(ContextCompat.getColor(this, R.color.accent));
                 } else {
@@ -613,14 +612,7 @@ public class ContactDetailsActivity extends OmemoActivity implements OnAccountUp
 
                 @Override
                 public void onClick(View v) {
-                    PgpEngine pgp = ContactDetailsActivity.this.xmppConnectionService.getPgpEngine();
-                    try {
-                        startIntentSenderForResult(
-                                pgp.getIntentForKey(contact).getIntentSender(), 0, null, 0,
-                                0, 0);
-                    } catch (Throwable e) {
-                        Toast.makeText(ContactDetailsActivity.this, R.string.openpgp_error, Toast.LENGTH_SHORT).show();
-                    }
+                    launchOpenKeyChain(contact.getPgpKeyId());
                 }
             };
             view.setOnClickListener(openKey);
diff --git a/src/main/java/de/pixart/messenger/ui/ConversationFragment.java b/src/main/java/de/pixart/messenger/ui/ConversationFragment.java
index 4ba88d49a..342e52451 100644
--- a/src/main/java/de/pixart/messenger/ui/ConversationFragment.java
+++ b/src/main/java/de/pixart/messenger/ui/ConversationFragment.java
@@ -516,6 +516,8 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
                             if (message.getEncryption() == Message.ENCRYPTION_PGP
                                     || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
                                 fingerprint = "pgp";
+                            } else if (message.getEncryption() == Message.ENCRYPTION_OTR) {
+                                fingerprint = "otr";
                             } else {
                                 fingerprint = message.getFingerprint();
                             }
diff --git a/src/main/java/de/pixart/messenger/ui/EditAccountActivity.java b/src/main/java/de/pixart/messenger/ui/EditAccountActivity.java
index ab1cbc836..320823120 100644
--- a/src/main/java/de/pixart/messenger/ui/EditAccountActivity.java
+++ b/src/main/java/de/pixart/messenger/ui/EditAccountActivity.java
@@ -36,6 +36,8 @@ import android.widget.TableRow;
 import android.widget.TextView;
 import android.widget.Toast;
 
+import org.openintents.openpgp.util.OpenPgpUtils;
+
 import java.util.Arrays;
 import java.util.List;
 import java.util.Set;
@@ -93,13 +95,18 @@ public class EditAccountActivity extends OmemoActivity implements OnAccountUpdat
     private TextView mSessionEst;
     private TextView mOtrFingerprint;
     private TextView mAxolotlFingerprint;
+    private TextView mPgpFingerprint;
     private TextView mOwnFingerprintDesc;
+    private TextView mOtrFingerprintDesc;
+ 	private TextView getmPgpFingerprintDesc;
     private TextView mAccountJidLabel;
     private ImageView mAvatar;
     private RelativeLayout mOtrFingerprintBox;
     private RelativeLayout mAxolotlFingerprintBox;
+    private RelativeLayout mPgpFingerprintBox;
     private ImageButton mOtrFingerprintToClipboardButton;
     private ImageButton mAxolotlFingerprintToClipboardButton;
+    private ImageButton mPgpDeleteFingerprintButton;
     private LinearLayout keys;
     private LinearLayout keysCard;
     private LinearLayout mNamePort;
@@ -512,7 +519,12 @@ public class EditAccountActivity extends OmemoActivity implements OnAccountUpdat
         this.mServerInfoHttpUpload = (TextView) findViewById(R.id.server_info_http_upload);
         this.mPushRow = (TableRow) findViewById(R.id.push_row);
         this.mServerInfoPush = (TextView) findViewById(R.id.server_info_push);
+        this.mPgpFingerprintBox = (RelativeLayout) findViewById(R.id.pgp_fingerprint_box);
+        this.mPgpFingerprint = (TextView) findViewById(R.id.pgp_fingerprint);
+        this.getmPgpFingerprintDesc = (TextView) findViewById(R.id.pgp_fingerprint_desc);
+        this.mPgpDeleteFingerprintButton = (ImageButton) findViewById(R.id.action_delete_pgp);
         this.mOtrFingerprint = (TextView) findViewById(R.id.otr_fingerprint);
+        this.mOtrFingerprintDesc = (TextView) findViewById(R.id.otr_fingerprint_desc);
         this.mOtrFingerprintBox = (RelativeLayout) findViewById(R.id.otr_fingerprint_box);
         this.mOtrFingerprintToClipboardButton = (ImageButton) findViewById(R.id.action_copy_to_clipboard);
         this.mAxolotlFingerprint = (TextView) findViewById(R.id.axolotl_fingerprint);
@@ -932,8 +944,36 @@ public class EditAccountActivity extends OmemoActivity implements OnAccountUpdat
             } else {
                 this.mServerInfoPush.setText(R.string.server_info_unavailable);
             }
+            final long pgpKeyId = this.mAccount.getPgpId();
+            if (pgpKeyId != 0 && Config.supportOpenPgp()) {
+                OnClickListener openPgp = new OnClickListener() {
+                    @Override
+                    public void onClick(View view) {
+                        launchOpenKeyChain(pgpKeyId);
+                    }
+                };
+                OnClickListener delete = new OnClickListener() {
+                    @Override
+                    public void onClick(View view) {
+                        showDeletePgpDialog();
+                    }
+                };
+                this.mPgpFingerprintBox.setVisibility(View.VISIBLE);
+                this.mPgpFingerprint.setText(OpenPgpUtils.convertKeyIdToHex(pgpKeyId));
+                this.mPgpFingerprint.setOnClickListener(openPgp);
+                if ("pgp".equals(messageFingerprint)) {
+                    this.getmPgpFingerprintDesc.setTextColor(ContextCompat.getColor(this, R.color.accent));
+                }
+                this.getmPgpFingerprintDesc.setOnClickListener(openPgp);
+                this.mPgpDeleteFingerprintButton.setOnClickListener(delete);
+            } else {
+                this.mPgpFingerprintBox.setVisibility(View.GONE);
+            }
             final String otrFingerprint = this.mAccount.getOtrFingerprint();
             if (otrFingerprint != null && Config.supportOtr()) {
+                if ("otr".equals(messageFingerprint)) {
+                    this.mOtrFingerprintDesc.setTextColor(ContextCompat.getColor(this, R.color.accent));
+                }
                 this.mOtrFingerprintBox.setVisibility(View.VISIBLE);
                 this.mOtrFingerprint.setText(CryptoHelper.prettifyFingerprint(otrFingerprint));
                 this.mOtrFingerprintToClipboardButton
@@ -1022,6 +1062,24 @@ public class EditAccountActivity extends OmemoActivity implements OnAccountUpdat
         }
     }
 
+    private void showDeletePgpDialog() {
+        AlertDialog.Builder builder = new AlertDialog.Builder(this);
+        builder.setTitle(R.string.unpublish_pgp);
+        builder.setMessage(R.string.unpublish_pgp_message);
+        builder.setNegativeButton(R.string.cancel, null);
+        builder.setPositiveButton(R.string.confirm, new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialogInterface, int i) {
+                mAccount.setPgpSignId(0);
+                mAccount.unsetPgpSignature();
+                xmppConnectionService.databaseBackend.updateAccount(mAccount);
+                xmppConnectionService.sendPresence(mAccount);
+                refreshUiReal();
+            }
+        });
+        builder.create().show();
+    }
+
     private void showOsOptimizationWarning(boolean showBatteryWarning, boolean showDataSaverWarning) {
         this.mOsOptimizations.setVisibility(showBatteryWarning || showDataSaverWarning ? View.VISIBLE : View.GONE);
         if (showDataSaverWarning) {
diff --git a/src/main/java/de/pixart/messenger/ui/XmppActivity.java b/src/main/java/de/pixart/messenger/ui/XmppActivity.java
index 0ea105f59..2187a467b 100644
--- a/src/main/java/de/pixart/messenger/ui/XmppActivity.java
+++ b/src/main/java/de/pixart/messenger/ui/XmppActivity.java
@@ -69,6 +69,7 @@ import java.util.concurrent.atomic.AtomicInteger;
 
 import de.pixart.messenger.Config;
 import de.pixart.messenger.R;
+import de.pixart.messenger.crypto.PgpEngine;
 import de.pixart.messenger.entities.Account;
 import de.pixart.messenger.entities.Contact;
 import de.pixart.messenger.entities.Conversation;
@@ -1074,6 +1075,17 @@ public abstract class XmppActivity extends Activity {
         }
     }
 
+    protected void launchOpenKeyChain(long keyId) {
+        PgpEngine pgp = XmppActivity.this.xmppConnectionService.getPgpEngine();
+        try {
+            startIntentSenderForResult(
+                    pgp.getIntentForKey(keyId).getIntentSender(), 0, null, 0,
+                    0, 0);
+        } catch (Throwable e) {
+            Toast.makeText(XmppActivity.this, R.string.openpgp_error, Toast.LENGTH_SHORT).show();
+        }
+    }
+
     @Override
     public void onResume() {
         super.onResume();
diff --git a/src/main/res/layout/activity_edit_account.xml b/src/main/res/layout/activity_edit_account.xml
index 8feb6c2af..78f1ccf6e 100644
--- a/src/main/res/layout/activity_edit_account.xml
+++ b/src/main/res/layout/activity_edit_account.xml
@@ -213,13 +213,13 @@
                 <Button
                     android:id="@+id/os_optimization_disable"
                     style="?android:attr/borderlessButtonStyle"
-                    android:layout_marginRight="-8dp"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:layout_alignParentBottom="true"
                     android:layout_alignParentEnd="true"
                     android:layout_alignParentRight="true"
                     android:layout_below="@+id/os_optimization_body"
+                    android:layout_marginRight="-8dp"
                     android:text="@string/disable"
                     android:textColor="@color/accent" />
             </RelativeLayout>
@@ -251,19 +251,19 @@
                         <TextView
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
+                            android:ellipsize="end"
+                            android:singleLine="true"
                             android:text="@string/server_info_session_established"
                             android:textColor="@color/black87"
-                            android:textSize="?attr/TextSizeBody"
-                            android:singleLine="true"
-                            android:ellipsize="end" />
+                            android:textSize="?attr/TextSizeBody" />
 
                         <TextView
                             android:id="@+id/session_est"
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
                             android:layout_gravity="right"
-                            android:textColor="@color/black87"
                             android:paddingLeft="4dp"
+                            android:textColor="@color/black87"
                             android:textSize="?attr/TextSizeBody"
                             tools:ignore="RtlHardcoded" />
                     </TableRow>
@@ -285,19 +285,19 @@
                         <TextView
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
+                            android:ellipsize="end"
+                            android:singleLine="true"
                             android:text="@string/server_info_pep"
                             android:textColor="@color/black87"
-                            android:textSize="?attr/TextSizeBody"
-                            android:singleLine="true"
-                            android:ellipsize="end" />
+                            android:textSize="?attr/TextSizeBody" />
 
                         <TextView
                             android:id="@+id/server_info_pep"
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
                             android:layout_gravity="right"
-                            android:textColor="@color/black87"
                             android:paddingLeft="4dp"
+                            android:textColor="@color/black87"
                             android:textSize="?attr/TextSizeBody"
                             tools:ignore="RtlHardcoded" />
                     </TableRow>
@@ -309,19 +309,19 @@
                         <TextView
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
+                            android:ellipsize="end"
+                            android:singleLine="true"
                             android:text="@string/server_info_blocking"
                             android:textColor="@color/black87"
-                            android:textSize="?attr/TextSizeBody"
-                            android:singleLine="true"
-                            android:ellipsize="end" />
+                            android:textSize="?attr/TextSizeBody" />
 
                         <TextView
                             android:id="@+id/server_info_blocking"
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
                             android:layout_gravity="right"
-                            android:textColor="@color/black87"
                             android:paddingLeft="4dp"
+                            android:textColor="@color/black87"
                             android:textSize="?attr/TextSizeBody"
                             tools:ignore="RtlHardcoded" />
                     </TableRow>
@@ -333,19 +333,19 @@
                         <TextView
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
+                            android:ellipsize="end"
+                            android:singleLine="true"
                             android:text="@string/server_info_stream_management"
                             android:textColor="@color/black87"
-                            android:textSize="?attr/TextSizeBody"
-                            android:singleLine="true"
-                            android:ellipsize="end" />
+                            android:textSize="?attr/TextSizeBody" />
 
                         <TextView
                             android:id="@+id/server_info_sm"
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
                             android:layout_gravity="right"
-                            android:textColor="@color/black87"
                             android:paddingLeft="4dp"
+                            android:textColor="@color/black87"
                             android:textSize="?attr/TextSizeBody"
                             tools:ignore="RtlHardcoded" />
                     </TableRow>
@@ -357,19 +357,19 @@
                         <TextView
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
+                            android:ellipsize="end"
+                            android:singleLine="true"
                             android:text="@string/server_info_roster_version"
                             android:textColor="@color/black87"
-                            android:textSize="?attr/TextSizeBody"
-                            android:singleLine="true"
-                            android:ellipsize="end" />
+                            android:textSize="?attr/TextSizeBody" />
 
                         <TextView
                             android:id="@+id/server_info_roster_version"
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
                             android:layout_gravity="right"
-                            android:textColor="@color/black87"
                             android:paddingLeft="4dp"
+                            android:textColor="@color/black87"
                             android:textSize="?attr/TextSizeBody"
                             tools:ignore="RtlHardcoded" />
                     </TableRow>
@@ -381,19 +381,19 @@
                         <TextView
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
+                            android:ellipsize="end"
+                            android:singleLine="true"
                             android:text="@string/server_info_carbon_messages"
                             android:textColor="@color/black87"
-                            android:textSize="?attr/TextSizeBody"
-                            android:singleLine="true"
-                            android:ellipsize="end" />
+                            android:textSize="?attr/TextSizeBody" />
 
                         <TextView
                             android:id="@+id/server_info_carbons"
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
                             android:layout_gravity="right"
-                            android:textColor="@color/black87"
                             android:paddingLeft="4dp"
+                            android:textColor="@color/black87"
                             android:textSize="?attr/TextSizeBody"
                             tools:ignore="RtlHardcoded" />
                     </TableRow>
@@ -405,19 +405,19 @@
                         <TextView
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
+                            android:ellipsize="end"
+                            android:singleLine="true"
                             android:text="@string/server_info_mam"
                             android:textColor="@color/black87"
-                            android:textSize="?attr/TextSizeBody"
-                            android:singleLine="true"
-                            android:ellipsize="end" />
+                            android:textSize="?attr/TextSizeBody" />
 
                         <TextView
                             android:id="@+id/server_info_mam"
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
                             android:layout_gravity="right"
-                            android:textColor="@color/black87"
                             android:paddingLeft="4dp"
+                            android:textColor="@color/black87"
                             android:textSize="?attr/TextSizeBody"
                             tools:ignore="RtlHardcoded" />
                     </TableRow>
@@ -429,19 +429,19 @@
                         <TextView
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
+                            android:ellipsize="end"
+                            android:singleLine="true"
                             android:text="@string/server_info_csi"
                             android:textColor="@color/black87"
-                            android:textSize="?attr/TextSizeBody"
-                            android:singleLine="true"
-                            android:ellipsize="end" />
+                            android:textSize="?attr/TextSizeBody" />
 
                         <TextView
                             android:id="@+id/server_info_csi"
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
                             android:layout_gravity="right"
-                            android:textColor="@color/black87"
                             android:paddingLeft="4dp"
+                            android:textColor="@color/black87"
                             android:textSize="?attr/TextSizeBody"
                             tools:ignore="RtlHardcoded" />
                     </TableRow>
@@ -454,19 +454,19 @@
                         <TextView
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
+                            android:ellipsize="end"
+                            android:singleLine="true"
                             android:text="@string/server_info_push"
                             android:textColor="@color/black87"
-                            android:textSize="?attr/TextSizeBody"
-                            android:singleLine="true"
-                            android:ellipsize="end" />
+                            android:textSize="?attr/TextSizeBody" />
 
                         <TextView
                             android:id="@+id/server_info_push"
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
                             android:layout_gravity="right"
-                            android:textColor="@color/black87"
                             android:paddingLeft="4dp"
+                            android:textColor="@color/black87"
                             android:textSize="?attr/TextSizeBody" />
                     </TableRow>
 
@@ -477,26 +477,26 @@
                         <TextView
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
+                            android:ellipsize="end"
+                            android:singleLine="true"
                             android:text="@string/server_info_http_upload"
                             android:textColor="@color/black87"
-                            android:textSize="?attr/TextSizeBody"
-                            android:singleLine="true"
-                            android:ellipsize="end" />
+                            android:textSize="?attr/TextSizeBody" />
 
                         <TextView
                             android:id="@+id/server_info_http_upload"
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
                             android:layout_gravity="right"
-                            android:textColor="@color/black87"
                             android:paddingLeft="4dp"
+                            android:textColor="@color/black87"
                             android:textSize="?attr/TextSizeBody" />
 
                     </TableRow>
                 </TableLayout>
 
                 <RelativeLayout
-                    android:id="@+id/otr_fingerprint_box"
+                    android:id="@+id/pgp_fingerprint_box"
                     android:layout_width="wrap_content"
                     android:layout_height="match_parent"
                     android:layout_marginTop="32dp">
@@ -505,6 +505,52 @@
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
                         android:layout_alignParentLeft="true"
+                        android:layout_centerVertical="true"
+                        android:layout_toLeftOf="@+id/action_delete_pgp"
+                        android:orientation="vertical">
+
+                        <TextView
+                            android:id="@+id/pgp_fingerprint"
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:fontFamily="monospace"
+                            android:textColor="@color/primary"
+                            android:textSize="?attr/TextSizeBody"
+                            android:typeface="monospace" />
+
+                        <TextView
+                            android:id="@+id/pgp_fingerprint_desc"
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:text="@string/openpgp_key_id"
+                            android:textColor="@color/black54"
+                            android:textSize="?attr/TextSizeInfo" />
+                    </LinearLayout>
+
+                    <ImageButton
+                        android:id="@+id/action_delete_pgp"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_alignParentRight="true"
+                        android:layout_centerVertical="true"
+                        android:alpha="1.0"
+                        android:background="?android:selectableItemBackground"
+                        android:padding="@dimen/image_button_padding"
+                        android:src="?attr/icon_remove"
+                        android:visibility="visible" />
+                </RelativeLayout>
+
+                <RelativeLayout
+                    android:id="@+id/otr_fingerprint_box"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_marginTop="24dp">
+
+                    <LinearLayout
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_alignParentLeft="true"
+                        android:layout_centerVertical="true"
                         android:layout_toLeftOf="@+id/action_copy_to_clipboard"
                         android:orientation="vertical">
 
@@ -518,6 +564,7 @@
                             android:typeface="monospace" />
 
                         <TextView
+                            android:id="@+id/otr_fingerprint_desc"
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
                             android:text="@string/otr_fingerprint"
@@ -543,12 +590,13 @@
                     android:id="@+id/axolotl_fingerprint_box"
                     android:layout_width="wrap_content"
                     android:layout_height="match_parent"
-                    android:layout_marginTop="32dp">
+                    android:layout_marginTop="24dp">
 
                     <LinearLayout
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
                         android:layout_alignParentLeft="true"
+                        android:layout_centerVertical="true"
                         android:layout_toLeftOf="@+id/axolotl_actions"
                         android:orientation="vertical">
 
@@ -629,16 +677,16 @@
                     android:layout_height="wrap_content"
                     android:divider="?android:dividerHorizontal"
                     android:orientation="vertical"
-                    android:showDividers="middle">
-                </LinearLayout>
+                    android:showDividers="middle"></LinearLayout>
+
                 <Button
                     android:id="@+id/clear_devices"
                     style="?android:attr/borderlessButtonStyle"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
-                    android:text="@string/clear_other_devices"
                     android:layout_gravity="center_horizontal"
-                    android:textColor="@color/accent"/>
+                    android:text="@string/clear_other_devices"
+                    android:textColor="@color/accent" />
             </LinearLayout>
         </LinearLayout>
     </ScrollView>
diff --git a/src/main/res/values/strings.xml b/src/main/res/values/strings.xml
index 0dbf82efd..ad6d67d33 100644
--- a/src/main/res/values/strings.xml
+++ b/src/main/res/values/strings.xml
@@ -162,6 +162,8 @@
     <string name="mgmt_account_delete">Delete account</string>
     <string name="mgmt_account_publish_avatar">Publish avatar</string>
     <string name="mgmt_account_publish_pgp">Publish OpenPGP public key</string>
+    <string name="unpublish_pgp">Remove OpenPGP public key</string>
+    <string name="unpublish_pgp_message">Are you sure you want to remove your OpenPGP public key from your presence announcement?\nYour contacts will no longer be able to send you OpenPGP encrypted messages.</string>
     <string name="openpgp_has_been_published">OpenPGP public key has been published.</string>
     <string name="republish_pgp_keys">Remember to republish your OpenPGP public keys!</string>
     <string name="mgmt_account_are_you_sure">Are you sure?</string>