Merge branch 'master' into improve-file-more

Conflicts:
	.gitmodules
	OpenKeychain/build.gradle
	OpenKeychain/src/main/AndroidManifest.xml
	OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/CachedPublicKeyRing.java
	OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/DecryptFileFragment.java
	OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/DecryptMessageFragment.java
	OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EncryptAsymmetricFragment.java
	OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EncryptFileFragment.java
	OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EncryptMessageFragment.java

5 files changed, 403 insertions, 150 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/ChangeExpiryDialogFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/ChangeExpiryDialogFragment.java
new file mode 100644
index 000000000..d5354a9f6
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/ChangeExpiryDialogFragment.java
@@ -0,0 +1,187 @@
+/*
+ * Copyright (C) 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.dialog;
+
+import android.app.DatePickerDialog;
+import android.app.Dialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.os.Message;
+import android.os.Messenger;
+import android.os.RemoteException;
+import android.support.v4.app.DialogFragment;
+import android.text.format.DateUtils;
+import android.widget.DatePicker;
+
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.util.Log;
+
+import java.util.Calendar;
+import java.util.Date;
+import java.util.GregorianCalendar;
+import java.util.TimeZone;
+
+public class ChangeExpiryDialogFragment extends DialogFragment {
+    private static final String ARG_MESSENGER = "messenger";
+    private static final String ARG_CREATION_DATE = "creation_date";
+    private static final String ARG_EXPIRY_DATE = "expiry_date";
+
+    public static final int MESSAGE_NEW_EXPIRY_DATE = 1;
+    public static final String MESSAGE_DATA_EXPIRY_DATE = "expiry_date";
+
+    private Messenger mMessenger;
+    private Calendar mCreationCal;
+    private Calendar mExpiryCal;
+
+    private int mDatePickerResultCount = 0;
+    private DatePickerDialog.OnDateSetListener mExpiryDateSetListener =
+            new DatePickerDialog.OnDateSetListener() {
+                public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
+                    // Note: Ignore results after the first one - android sends multiples.
+                    if (mDatePickerResultCount++ == 0) {
+                        Calendar selectedCal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+                        selectedCal.set(year, monthOfYear, dayOfMonth);
+                        if (mExpiryCal != null) {
+                            long numDays = (selectedCal.getTimeInMillis() / 86400000)
+                                    - (mExpiryCal.getTimeInMillis() / 86400000);
+                            if (numDays > 0) {
+                                Bundle data = new Bundle();
+                                data.putSerializable(MESSAGE_DATA_EXPIRY_DATE, selectedCal.getTime());
+                                sendMessageToHandler(MESSAGE_NEW_EXPIRY_DATE, data);
+                            }
+                        } else {
+                            Bundle data = new Bundle();
+                            data.putSerializable(MESSAGE_DATA_EXPIRY_DATE, selectedCal.getTime());
+                            sendMessageToHandler(MESSAGE_NEW_EXPIRY_DATE, data);
+                        }
+                    }
+                }
+            };
+
+    public class ExpiryDatePickerDialog extends DatePickerDialog {
+
+        public ExpiryDatePickerDialog(Context context, OnDateSetListener callBack,
+                                      int year, int monthOfYear, int dayOfMonth) {
+            super(context, callBack, year, monthOfYear, dayOfMonth);
+        }
+
+        // set permanent title
+        public void setTitle(CharSequence title) {
+            super.setTitle(getContext().getString(R.string.expiry_date_dialog_title));
+        }
+    }
+
+    /**
+     * Creates new instance of this dialog fragment
+     */
+    public static ChangeExpiryDialogFragment newInstance(Messenger messenger,
+                                                         Date creationDate, Date expiryDate) {
+        ChangeExpiryDialogFragment frag = new ChangeExpiryDialogFragment();
+        Bundle args = new Bundle();
+        args.putParcelable(ARG_MESSENGER, messenger);
+        args.putSerializable(ARG_CREATION_DATE, creationDate);
+        args.putSerializable(ARG_EXPIRY_DATE, expiryDate);
+
+        frag.setArguments(args);
+
+        return frag;
+    }
+
+    /**
+     * Creates dialog
+     */
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        mMessenger = getArguments().getParcelable(ARG_MESSENGER);
+        Date creationDate = (Date) getArguments().getSerializable(ARG_CREATION_DATE);
+        Date expiryDate = (Date) getArguments().getSerializable(ARG_EXPIRY_DATE);
+
+        mCreationCal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+        mCreationCal.setTime(creationDate);
+        mExpiryCal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+        mExpiryCal.setTime(expiryDate);
+
+        /*
+         * Using custom DatePickerDialog which overrides the setTitle because
+         * the DatePickerDialog title is buggy (unix warparound bug).
+         * See: https://code.google.com/p/android/issues/detail?id=49066
+         */
+        DatePickerDialog dialog = new ExpiryDatePickerDialog(getActivity(),
+                mExpiryDateSetListener, mExpiryCal.get(Calendar.YEAR), mExpiryCal.get(Calendar.MONTH),
+                mExpiryCal.get(Calendar.DAY_OF_MONTH));
+        mDatePickerResultCount = 0;
+        dialog.setCancelable(true);
+        dialog.setButton(Dialog.BUTTON_NEGATIVE,
+                getActivity().getString(R.string.btn_no_date),
+                new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int which) {
+                        // Note: Ignore results after the first one - android sends multiples.
+                        if (mDatePickerResultCount++ == 0) {
+                            // none expiry dates corresponds to a null message
+                            Bundle data = new Bundle();
+                            data.putSerializable(MESSAGE_DATA_EXPIRY_DATE, null);
+                            sendMessageToHandler(MESSAGE_NEW_EXPIRY_DATE, data);
+                        }
+                    }
+                }
+        );
+
+        // setCalendarViewShown() is supported from API 11 onwards.
+        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
+            // Hide calendarView in tablets because of the unix warparound bug.
+            dialog.getDatePicker().setCalendarViewShown(false);
+        }
+        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
+            // will crash with IllegalArgumentException if we set a min date
+            // that is not before expiry
+            if (mCreationCal != null && mCreationCal.before(mExpiryCal)) {
+                dialog.getDatePicker().setMinDate(mCreationCal.getTime().getTime()
+                        + DateUtils.DAY_IN_MILLIS);
+            } else {
+                // When created date isn't available
+                dialog.getDatePicker().setMinDate(mExpiryCal.getTime().getTime()
+                        + DateUtils.DAY_IN_MILLIS);
+            }
+        }
+
+        return dialog;
+    }
+
+    /**
+     * Send message back to handler which is initialized in a activity
+     *
+     * @param what Message integer you want to send
+     */
+    private void sendMessageToHandler(Integer what, Bundle data) {
+        Message msg = Message.obtain();
+        msg.what = what;
+        if (data != null) {
+            msg.setData(data);
+        }
+
+        try {
+            mMessenger.send(msg);
+        } catch (RemoteException e) {
+            Log.w(Constants.TAG, "Exception sending message, Is handler present?", e);
+        } catch (NullPointerException e) {
+            Log.w(Constants.TAG, "Messenger is null!", e);
+        }
+    }
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/EditSubkeyDialogFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/EditSubkeyDialogFragment.java
new file mode 100644
index 000000000..9fef88a78
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/EditSubkeyDialogFragment.java
@@ -0,0 +1,110 @@
+/*
+ * Copyright (C) 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.dialog;
+
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.os.Message;
+import android.os.Messenger;
+import android.os.RemoteException;
+import android.support.v4.app.DialogFragment;
+
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.util.Log;
+
+public class EditSubkeyDialogFragment extends DialogFragment {
+    private static final String ARG_MESSENGER = "messenger";
+
+    public static final int MESSAGE_CHANGE_EXPIRY = 1;
+    public static final int MESSAGE_REVOKE = 2;
+
+    private Messenger mMessenger;
+
+    /**
+     * Creates new instance of this dialog fragment
+     */
+    public static EditSubkeyDialogFragment newInstance(Messenger messenger) {
+        EditSubkeyDialogFragment frag = new EditSubkeyDialogFragment();
+        Bundle args = new Bundle();
+        args.putParcelable(ARG_MESSENGER, messenger);
+
+        frag.setArguments(args);
+
+        return frag;
+    }
+
+    /**
+     * Creates dialog
+     */
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        mMessenger = getArguments().getParcelable(ARG_MESSENGER);
+
+        CustomAlertDialogBuilder builder = new CustomAlertDialogBuilder(getActivity());
+        CharSequence[] array = getResources().getStringArray(R.array.edit_key_edit_subkey);
+
+        builder.setTitle(R.string.edit_key_edit_subkey_title);
+        builder.setItems(array, new DialogInterface.OnClickListener() {
+
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                switch (which) {
+                    case 0:
+                        sendMessageToHandler(MESSAGE_CHANGE_EXPIRY, null);
+                        break;
+                    case 1:
+                        sendMessageToHandler(MESSAGE_REVOKE, null);
+                        break;
+                    default:
+                        break;
+                }
+            }
+        });
+        builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int id) {
+                dismiss();
+            }
+        });
+
+        return builder.show();
+    }
+
+    /**
+     * Send message back to handler which is initialized in a activity
+     *
+     * @param what Message integer you want to send
+     */
+    private void sendMessageToHandler(Integer what, Bundle data) {
+        Message msg = Message.obtain();
+        msg.what = what;
+        if (data != null) {
+            msg.setData(data);
+        }
+
+        try {
+            mMessenger.send(msg);
+        } catch (RemoteException e) {
+            Log.w(Constants.TAG, "Exception sending message, Is handler present?", e);
+        } catch (NullPointerException e) {
+            Log.w(Constants.TAG, "Messenger is null!", e);
+        }
+    }
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/PassphraseDialogFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/PassphraseDialogFragment.java
index 59e4d8dee..ef2659cf8 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/PassphraseDialogFragment.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/PassphraseDialogFragment.java
@@ -33,8 +33,8 @@ import android.support.v4.app.FragmentActivity;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.View;
-import android.view.WindowManager.LayoutParams;
 import android.view.inputmethod.EditorInfo;
+import android.view.inputmethod.InputMethodManager;
 import android.widget.Button;
 import android.widget.EditText;
 import android.widget.TextView;
@@ -44,8 +44,8 @@ import android.widget.Toast;
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.R;
 import org.sufficientlysecure.keychain.compatibility.DialogFragmentWorkaround;
-import org.sufficientlysecure.keychain.pgp.WrappedSecretKey;
-import org.sufficientlysecure.keychain.pgp.WrappedSecretKeyRing;
+import org.sufficientlysecure.keychain.pgp.CanonicalizedSecretKey;
+import org.sufficientlysecure.keychain.pgp.CanonicalizedSecretKeyRing;
 import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
 import org.sufficientlysecure.keychain.provider.ProviderHelper;
 import org.sufficientlysecure.keychain.service.PassphraseCacheService;
@@ -62,7 +62,6 @@ public class PassphraseDialogFragment extends DialogFragment implements OnEditor
 
     private Messenger mMessenger;
     private EditText mPassphraseEditText;
-    private boolean mCanKB;
 
     /**
      * Shows passphrase dialog to cache a new passphrase the user enters for using it later for
@@ -102,10 +101,10 @@ public class PassphraseDialogFragment extends DialogFragment implements OnEditor
         // check if secret key has a passphrase
         if (!(secretKeyId == Constants.key.symmetric || secretKeyId == Constants.key.none)) {
             try {
-                if (!new ProviderHelper(context).getWrappedSecretKeyRing(secretKeyId).hasPassphrase()) {
+                if (!new ProviderHelper(context).getCanonicalizedSecretKeyRing(secretKeyId).hasPassphrase()) {
                     throw new PgpGeneralException("No passphrase! No passphrase dialog needed!");
                 }
-            } catch(ProviderHelper.NotFoundException e) {
+            } catch (ProviderHelper.NotFoundException e) {
                 throw new PgpGeneralException("Error: Key not found!", e);
             }
         }
@@ -120,11 +119,6 @@ public class PassphraseDialogFragment extends DialogFragment implements OnEditor
         return frag;
     }
 
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-    }
-
     /**
      * Creates dialog
      */
@@ -138,7 +132,7 @@ public class PassphraseDialogFragment extends DialogFragment implements OnEditor
 
         alert.setTitle(R.string.title_authentication);
 
-        final WrappedSecretKeyRing secretRing;
+        final CanonicalizedSecretKeyRing secretRing;
         String userId;
 
         if (secretKeyId == Constants.key.symmetric || secretKeyId == Constants.key.none) {
@@ -147,12 +141,12 @@ public class PassphraseDialogFragment extends DialogFragment implements OnEditor
         } else {
             try {
                 ProviderHelper helper = new ProviderHelper(activity);
-                secretRing = helper.getWrappedSecretKeyRing(secretKeyId);
+                secretRing = helper.getCanonicalizedSecretKeyRing(secretKeyId);
                 // yes the inner try/catch block is necessary, otherwise the final variable
                 // above can't be statically verified to have been set in all cases because
                 // the catch clause doesn't return.
                 try {
-                    userId = secretRing.getPrimaryUserId();
+                    userId = secretRing.getPrimaryUserIdWithFallback();
                 } catch (PgpGeneralException e) {
                     userId = null;
                 }
@@ -165,7 +159,6 @@ public class PassphraseDialogFragment extends DialogFragment implements OnEditor
                     }
                 });
                 alert.setCancelable(false);
-                mCanKB = false;
                 return alert.create();
             }
 
@@ -189,7 +182,8 @@ public class PassphraseDialogFragment extends DialogFragment implements OnEditor
 
                 // Early breakout if we are dealing with a symmetric key
                 if (secretRing == null) {
-                    PassphraseCacheService.addCachedPassphrase(activity, Constants.key.symmetric, passphrase);
+                    PassphraseCacheService.addCachedPassphrase(activity, Constants.key.symmetric,
+                            passphrase, getString(R.string.passp_cache_notif_pwd));
                     // also return passphrase back to activity
                     Bundle data = new Bundle();
                     data.putString(MESSAGE_DATA_PASSPHRASE, passphrase);
@@ -197,9 +191,9 @@ public class PassphraseDialogFragment extends DialogFragment implements OnEditor
                     return;
                 }
 
-                WrappedSecretKey unlockedSecretKey = null;
+                CanonicalizedSecretKey unlockedSecretKey = null;
 
-                for(WrappedSecretKey clickSecretKey : secretRing.secretKeyIterator()) {
+                for (CanonicalizedSecretKey clickSecretKey : secretRing.secretKeyIterator()) {
                     try {
                         boolean unlocked = clickSecretKey.unlock(passphrase);
                         if (unlocked) {
@@ -228,10 +222,18 @@ public class PassphraseDialogFragment extends DialogFragment implements OnEditor
 
                 // cache the new passphrase
                 Log.d(Constants.TAG, "Everything okay! Caching entered passphrase");
-                PassphraseCacheService.addCachedPassphrase(activity, masterKeyId, passphrase);
+
+                try {
+                    PassphraseCacheService.addCachedPassphrase(activity, masterKeyId, passphrase,
+                            secretRing.getPrimaryUserIdWithFallback());
+                } catch (PgpGeneralException e) {
+                    Log.e(Constants.TAG, "adding of a passphrase failed", e);
+                }
+
                 if (unlockedSecretKey.getKeyId() != masterKeyId) {
                     PassphraseCacheService.addCachedPassphrase(
-                            activity, unlockedSecretKey.getKeyId(), passphrase);
+                            activity, unlockedSecretKey.getKeyId(), passphrase,
+                            unlockedSecretKey.getPrimaryUserIdWithFallback());
                 }
 
                 // also return passphrase back to activity
@@ -249,20 +251,30 @@ public class PassphraseDialogFragment extends DialogFragment implements OnEditor
             }
         });
 
-        mCanKB = true;
-        return alert.show();
-    }
+        // Hack to open keyboard.
+        // This is the only method that I found to work across all Android versions
+        // http://turbomanage.wordpress.com/2012/05/02/show-soft-keyboard-automatically-when-edittext-receives-focus/
+        // Notes: * onCreateView can't be used because we want to add buttons to the dialog
+        //        * opening in onActivityCreated does not work on Android 4.4
+        mPassphraseEditText.setOnFocusChangeListener(new View.OnFocusChangeListener() {
+            @Override
+            public void onFocusChange(View v, boolean hasFocus) {
+                mPassphraseEditText.post(new Runnable() {
+                    @Override
+                    public void run() {
+                        InputMethodManager imm = (InputMethodManager) getActivity()
+                                .getSystemService(Context.INPUT_METHOD_SERVICE);
+                        imm.showSoftInput(mPassphraseEditText, InputMethodManager.SHOW_IMPLICIT);
+                    }
+                });
+            }
+        });
+        mPassphraseEditText.requestFocus();
 
-    @Override
-    public void onActivityCreated(Bundle arg0) {
-        super.onActivityCreated(arg0);
-        if (mCanKB) {
-            // request focus and open soft keyboard
-            mPassphraseEditText.requestFocus();
-            getDialog().getWindow().setSoftInputMode(LayoutParams.SOFT_INPUT_STATE_VISIBLE);
-
-            mPassphraseEditText.setOnEditorActionListener(this);
-        }
+        mPassphraseEditText.setImeActionLabel(getString(android.R.string.ok), EditorInfo.IME_ACTION_DONE);
+        mPassphraseEditText.setOnEditorActionListener(this);
+
+        return alert.show();
     }
 
     @Override
@@ -273,6 +285,27 @@ public class PassphraseDialogFragment extends DialogFragment implements OnEditor
         sendMessageToHandler(MESSAGE_CANCEL);
     }
 
+    @Override
+    public void onDismiss(DialogInterface dialog) {
+        super.onDismiss(dialog);
+        Log.d(Constants.TAG, "onDismiss");
+
+        // hide keyboard on dismiss
+        hideKeyboard();
+    }
+
+    private void hideKeyboard() {
+        InputMethodManager inputManager = (InputMethodManager) getActivity()
+                .getSystemService(Context.INPUT_METHOD_SERVICE);
+
+        //check if no view has focus:
+        View v = getActivity().getCurrentFocus();
+        if (v == null)
+            return;
+
+        inputManager.hideSoftInputFromWindow(v.getWindowToken(), 0);
+    }
+
     /**
      * Associate the "done" button on the soft keyboard with the okay button in the view
      */
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/SetPassphraseDialogFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/SetPassphraseDialogFragment.java
index 93da48b75..1386ed098 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/SetPassphraseDialogFragment.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/SetPassphraseDialogFragment.java
@@ -20,6 +20,7 @@ package org.sufficientlysecure.keychain.ui.dialog;
 import android.app.Activity;
 import android.app.AlertDialog;
 import android.app.Dialog;
+import android.content.Context;
 import android.content.DialogInterface;
 import android.os.Bundle;
 import android.os.Message;
@@ -32,6 +33,7 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.WindowManager.LayoutParams;
 import android.view.inputmethod.EditorInfo;
+import android.view.inputmethod.InputMethodManager;
 import android.widget.Button;
 import android.widget.CheckBox;
 import android.widget.CompoundButton;
@@ -164,18 +166,50 @@ public class SetPassphraseDialogFragment extends DialogFragment implements OnEdi
             }
         });
 
+        // Hack to open keyboard.
+        // This is the only method that I found to work across all Android versions
+        // http://turbomanage.wordpress.com/2012/05/02/show-soft-keyboard-automatically-when-edittext-receives-focus/
+        // Notes: * onCreateView can't be used because we want to add buttons to the dialog
+        //        * opening in onActivityCreated does not work on Android 4.4
+        mPassphraseEditText.setOnFocusChangeListener(new View.OnFocusChangeListener() {
+            @Override
+            public void onFocusChange(View v, boolean hasFocus) {
+                mPassphraseEditText.post(new Runnable() {
+                    @Override
+                    public void run() {
+                        InputMethodManager imm = (InputMethodManager) getActivity()
+                                .getSystemService(Context.INPUT_METHOD_SERVICE);
+                        imm.showSoftInput(mPassphraseEditText, InputMethodManager.SHOW_IMPLICIT);
+                    }
+                });
+            }
+        });
+        mPassphraseEditText.requestFocus();
+
+        mPassphraseAgainEditText.setImeActionLabel(getString(android.R.string.ok), EditorInfo.IME_ACTION_DONE);
+        mPassphraseAgainEditText.setOnEditorActionListener(this);
+
         return alert.show();
     }
 
     @Override
-    public void onActivityCreated(Bundle arg0) {
-        super.onActivityCreated(arg0);
+    public void onDismiss(DialogInterface dialog) {
+        super.onDismiss(dialog);
 
-        // request focus and open soft keyboard
-        mPassphraseEditText.requestFocus();
-        getDialog().getWindow().setSoftInputMode(LayoutParams.SOFT_INPUT_STATE_VISIBLE);
+        // hide keyboard on dismiss
+        hideKeyboard();
+    }
 
-        mPassphraseAgainEditText.setOnEditorActionListener(this);
+    private void hideKeyboard() {
+        InputMethodManager inputManager = (InputMethodManager) getActivity()
+                .getSystemService(Context.INPUT_METHOD_SERVICE);
+
+        //check if no view has focus:
+        View v = getActivity().getCurrentFocus();
+        if (v == null)
+            return;
+
+        inputManager.hideSoftInputFromWindow(v.getWindowToken(), 0);
     }
 
     /**
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/ShareQrCodeDialogFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/ShareQrCodeDialogFragment.java
deleted file mode 100644
index 24608784b..000000000
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/ShareQrCodeDialogFragment.java
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Copyright (C) 2012-2014 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.dialog;
-
-import android.app.Activity;
-import android.app.Dialog;
-import android.net.Uri;
-import android.os.Bundle;
-import android.support.v4.app.DialogFragment;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.widget.ImageView;
-import android.widget.TextView;
-
-import com.devspark.appmsg.AppMsg;
-
-import org.sufficientlysecure.keychain.Constants;
-import org.sufficientlysecure.keychain.R;
-import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
-import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
-import org.sufficientlysecure.keychain.provider.ProviderHelper;
-import org.sufficientlysecure.keychain.util.Log;
-import org.sufficientlysecure.keychain.util.QrCodeUtils;
-
-public class ShareQrCodeDialogFragment extends DialogFragment {
-    private static final String ARG_KEY_URI = "uri";
-
-    private ImageView mImage;
-    private TextView mText;
-
-    private static final int QR_CODE_SIZE = 1000;
-
-    /**
-     * Creates new instance of this dialog fragment
-     */
-    public static ShareQrCodeDialogFragment newInstance(Uri dataUri) {
-        ShareQrCodeDialogFragment frag = new ShareQrCodeDialogFragment();
-        Bundle args = new Bundle();
-        args.putParcelable(ARG_KEY_URI, dataUri);
-
-        frag.setArguments(args);
-
-        return frag;
-    }
-
-    /**
-     * Creates dialog
-     */
-    @Override
-    public Dialog onCreateDialog(Bundle savedInstanceState) {
-        final Activity activity = getActivity();
-
-        Uri dataUri = getArguments().getParcelable(ARG_KEY_URI);
-
-        CustomAlertDialogBuilder alert = new CustomAlertDialogBuilder(getActivity());
-        alert.setTitle(R.string.share_qr_code_dialog_title);
-
-        LayoutInflater inflater = activity.getLayoutInflater();
-        View view = inflater.inflate(R.layout.share_qr_code_dialog, null);
-        alert.setView(view);
-
-        mImage = (ImageView) view.findViewById(R.id.share_qr_code_dialog_image);
-        mText = (TextView) view.findViewById(R.id.share_qr_code_dialog_text);
-
-        ProviderHelper providerHelper = new ProviderHelper(getActivity());
-        String content;
-        try {
-            alert.setPositiveButton(R.string.btn_okay, null);
-
-            byte[] blob = (byte[]) providerHelper.getGenericData(
-                    KeyRings.buildUnifiedKeyRingUri(dataUri),
-                    KeyRings.FINGERPRINT, ProviderHelper.FIELD_TYPE_BLOB);
-            if (blob == null) {
-                Log.e(Constants.TAG, "key not found!");
-                AppMsg.makeText(getActivity(), R.string.error_key_not_found, AppMsg.STYLE_ALERT).show();
-                return null;
-            }
-
-            String fingerprint = PgpKeyHelper.convertFingerprintToHex(blob);
-            mText.setText(getString(R.string.share_qr_code_dialog_fingerprint_text) + " " + fingerprint);
-            content = Constants.FINGERPRINT_SCHEME + ":" + fingerprint;
-            setQrCode(content);
-        } catch (ProviderHelper.NotFoundException e) {
-            Log.e(Constants.TAG, "key not found!", e);
-            AppMsg.makeText(getActivity(), R.string.error_key_not_found, AppMsg.STYLE_ALERT).show();
-            return null;
-        }
-
-        return alert.show();
-    }
-
-    private void setQrCode(String data) {
-        mImage.setImageBitmap(QrCodeUtils.getQRCodeBitmap(data, QR_CODE_SIZE));
-    }
-
-}