Rename folder structure from OpenPGP Keychain to OpenKeychain

12 files changed, 1661 insertions, 0 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/AsyncTaskResultWrapper.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/AsyncTaskResultWrapper.java
new file mode 100644
index 000000000..5f2aec4fe
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/AsyncTaskResultWrapper.java
@@ -0,0 +1,46 @@
+/*
+ * 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.adapter;
+
+/**
+ * The AsyncTaskResultWrapper is used to wrap a result from a AsyncTask (for example: Loader).
+ * You can pass the result and an exception in it if an error occurred.
+ * Concept found at:
+ * https://stackoverflow.com/questions/19593577/how-to-handle-errors-in-custom-asynctaskloader
+ *
+ * @param <T> - Typ of the result which is wrapped
+ */
+public class AsyncTaskResultWrapper<T> {
+
+    private final T mResult;
+    private final Exception mError;
+
+    public AsyncTaskResultWrapper(T result, Exception error) {
+        this.mResult = result;
+        this.mError = error;
+    }
+
+    public T getResult() {
+        return mResult;
+    }
+
+    public Exception getError() {
+        return mError;
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/HighlightQueryCursorAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/HighlightQueryCursorAdapter.java
new file mode 100644
index 000000000..a3ed08a4c
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/HighlightQueryCursorAdapter.java
@@ -0,0 +1,65 @@
+/*
+ * 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.adapter;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.support.v4.widget.CursorAdapter;
+import android.text.Spannable;
+import android.text.style.ForegroundColorSpan;
+import org.sufficientlysecure.keychain.R;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public abstract class HighlightQueryCursorAdapter extends CursorAdapter {
+
+    private String mCurQuery;
+
+    public HighlightQueryCursorAdapter(Context context, Cursor c, int flags) {
+        super(context, c, flags);
+        mCurQuery = null;
+    }
+
+    public void setSearchQuery(String searchQuery) {
+        mCurQuery = searchQuery;
+    }
+
+    public String getSearchQuery() {
+        return mCurQuery;
+    }
+
+    protected Spannable highlightSearchQuery(String text) {
+        Spannable highlight = Spannable.Factory.getInstance().newSpannable(text);
+
+        if (mCurQuery != null) {
+            Pattern pattern = Pattern.compile("(?i)" + mCurQuery);
+            Matcher matcher = pattern.matcher(text);
+            if (matcher.find()) {
+                highlight.setSpan(
+                        new ForegroundColorSpan(mContext.getResources().getColor(R.color.emphasis)),
+                        matcher.start(),
+                        matcher.end(),
+                        Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
+            }
+            return highlight;
+        } else {
+            return highlight;
+        }
+    }
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysAdapter.java
new file mode 100644
index 000000000..f322ea980
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysAdapter.java
@@ -0,0 +1,186 @@
+/*
+ * Copyright (C) 2013 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.adapter;
+
+import android.annotation.SuppressLint;
+import android.app.Activity;
+import android.content.Context;
+import android.graphics.Color;
+import android.os.Build;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.CheckBox;
+import android.widget.LinearLayout;
+import android.widget.LinearLayout.LayoutParams;
+import android.widget.TextView;
+
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class ImportKeysAdapter extends ArrayAdapter<ImportKeysListEntry> {
+    protected LayoutInflater mInflater;
+    protected Activity mActivity;
+
+    protected List<ImportKeysListEntry> mData;
+
+    static class ViewHolder {
+        public TextView mainUserId;
+        public TextView mainUserIdRest;
+        public TextView keyId;
+        public TextView fingerprint;
+        public TextView algorithm;
+        public TextView status;
+    }
+
+    public ImportKeysAdapter(Activity activity) {
+        super(activity, -1);
+        mActivity = activity;
+        mInflater = (LayoutInflater) activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+    }
+
+    @SuppressLint("NewApi")
+    public void setData(List<ImportKeysListEntry> data) {
+        clear();
+        if (data != null) {
+            this.mData = data;
+
+            // add data to extended ArrayAdapter
+            if (Build.VERSION.SDK_INT >= 11) {
+                addAll(data);
+            } else {
+                for (ImportKeysListEntry entry : data) {
+                    add(entry);
+                }
+            }
+        }
+    }
+
+    public List<ImportKeysListEntry> getData() {
+        return mData;
+    }
+
+    public ArrayList<ImportKeysListEntry> getSelectedData() {
+        ArrayList<ImportKeysListEntry> selectedData = new ArrayList<ImportKeysListEntry>();
+        for (ImportKeysListEntry entry : mData) {
+            if (entry.isSelected()) {
+                selectedData.add(entry);
+            }
+        }
+        return selectedData;
+    }
+
+    @Override
+    public boolean hasStableIds() {
+        return true;
+    }
+
+    public View getView(int position, View convertView, ViewGroup parent) {
+        ImportKeysListEntry entry = mData.get(position);
+        ViewHolder holder;
+        if (convertView == null) {
+            holder = new ViewHolder();
+            convertView = mInflater.inflate(R.layout.import_keys_list_entry, null);
+            holder.mainUserId = (TextView) convertView.findViewById(R.id.mainUserId);
+            holder.mainUserIdRest = (TextView) convertView.findViewById(R.id.mainUserIdRest);
+            holder.keyId = (TextView) convertView.findViewById(R.id.keyId);
+            holder.fingerprint = (TextView) convertView.findViewById(R.id.fingerprint);
+            holder.algorithm = (TextView) convertView.findViewById(R.id.algorithm);
+            holder.status = (TextView) convertView.findViewById(R.id.status);
+            convertView.setTag(holder);
+        } else {
+            holder = (ViewHolder) convertView.getTag();
+        }
+        // main user id
+        String userId = entry.userIds.get(0);
+        String[] userIdSplit = PgpKeyHelper.splitUserId(userId);
+
+        // name
+        if (userIdSplit[0] != null) {
+            // show red user id if it is a secret key
+            if (entry.secretKey) {
+                userIdSplit[0] = mActivity.getString(R.string.secret_key) + " " + userIdSplit[0];
+                holder.mainUserId.setTextColor(Color.RED);
+            }
+            holder.mainUserId.setText(userIdSplit[0]);
+        } else {
+            holder.mainUserId.setText(R.string.user_id_no_name);
+        }
+
+        // email
+        if (userIdSplit[1] != null) {
+            holder.mainUserIdRest.setText(userIdSplit[1]);
+            holder.mainUserIdRest.setVisibility(View.VISIBLE);
+        } else {
+            holder.mainUserIdRest.setVisibility(View.GONE);
+        }
+
+        holder.keyId.setText(entry.keyIdHex);
+
+        if (entry.fingerPrintHex != null) {
+            holder.fingerprint.setText(PgpKeyHelper.colorizeFingerprint(entry.fingerPrintHex));
+            holder.fingerprint.setVisibility(View.VISIBLE);
+        } else {
+            holder.fingerprint.setVisibility(View.GONE);
+        }
+
+        holder.algorithm.setText("" + entry.bitStrength + "/" + entry.algorithm);
+
+        if (entry.revoked) {
+            holder.status.setText(R.string.revoked);
+        } else {
+            holder.status.setVisibility(View.GONE);
+        }
+
+        LinearLayout ll = (LinearLayout) convertView.findViewById(R.id.list);
+        ll.removeAllViews();
+        if (entry.userIds.size() == 1) {
+            ll.setVisibility(View.GONE);
+        } else {
+            boolean first = true;
+            boolean second = true;
+            for (String uid : entry.userIds) {
+                if (first) {
+                    first = false;
+                    continue;
+                }
+                if (!second) {
+                    View sep = new View(mActivity);
+                    sep.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, 1));
+                    sep.setBackgroundResource(android.R.drawable.divider_horizontal_dark);
+                    ll.addView(sep);
+                }
+                TextView uidView = (TextView) mInflater.inflate(
+                        R.layout.import_keys_list_entry_user_id, null);
+                uidView.setText(uid);
+                ll.addView(uidView);
+                second = false;
+            }
+        }
+
+        CheckBox cBox = (CheckBox) convertView.findViewById(R.id.selected);
+        cBox.setChecked(entry.isSelected());
+
+        return convertView;
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysListEntry.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysListEntry.java
new file mode 100644
index 000000000..5631d40ea
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysListEntry.java
@@ -0,0 +1,274 @@
+/*
+ * Copyright (C) 2013 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.adapter;
+
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.util.SparseArray;
+
+import org.spongycastle.openpgp.PGPKeyRing;
+import org.spongycastle.openpgp.PGPPublicKey;
+import org.spongycastle.openpgp.PGPSecretKeyRing;
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
+import org.sufficientlysecure.keychain.util.IterableIterator;
+import org.sufficientlysecure.keychain.util.Log;
+
+import java.io.IOException;
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.Date;
+
+public class ImportKeysListEntry implements Serializable, Parcelable {
+    private static final long serialVersionUID = -7797972103284992662L;
+
+    public ArrayList<String> userIds;
+    public long keyId;
+    public String keyIdHex;
+    public boolean revoked;
+    public Date date; // TODO: not displayed
+    public String fingerPrintHex;
+    public int bitStrength;
+    public String algorithm;
+    public boolean secretKey;
+
+    private boolean mSelected;
+
+    private byte[] mBytes = new byte[]{};
+
+    public ImportKeysListEntry(ImportKeysListEntry b) {
+        this.userIds = b.userIds;
+        this.keyId = b.keyId;
+        this.revoked = b.revoked;
+        this.date = b.date;
+        this.fingerPrintHex = b.fingerPrintHex;
+        this.keyIdHex = b.keyIdHex;
+        this.bitStrength = b.bitStrength;
+        this.algorithm = b.algorithm;
+        this.secretKey = b.secretKey;
+        this.mSelected = b.mSelected;
+        this.mBytes = b.mBytes;
+    }
+
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeStringList(userIds);
+        dest.writeLong(keyId);
+        dest.writeByte((byte) (revoked ? 1 : 0));
+        dest.writeSerializable(date);
+        dest.writeString(fingerPrintHex);
+        dest.writeString(keyIdHex);
+        dest.writeInt(bitStrength);
+        dest.writeString(algorithm);
+        dest.writeByte((byte) (secretKey ? 1 : 0));
+        dest.writeByte((byte) (mSelected ? 1 : 0));
+        dest.writeInt(mBytes.length);
+        dest.writeByteArray(mBytes);
+    }
+
+    public static final Creator<ImportKeysListEntry> CREATOR = new Creator<ImportKeysListEntry>() {
+        public ImportKeysListEntry createFromParcel(final Parcel source) {
+            ImportKeysListEntry vr = new ImportKeysListEntry();
+            vr.userIds = new ArrayList<String>();
+            source.readStringList(vr.userIds);
+            vr.keyId = source.readLong();
+            vr.revoked = source.readByte() == 1;
+            vr.date = (Date) source.readSerializable();
+            vr.fingerPrintHex = source.readString();
+            vr.keyIdHex = source.readString();
+            vr.bitStrength = source.readInt();
+            vr.algorithm = source.readString();
+            vr.secretKey = source.readByte() == 1;
+            vr.mSelected = source.readByte() == 1;
+            vr.mBytes = new byte[source.readInt()];
+            source.readByteArray(vr.mBytes);
+
+            return vr;
+        }
+
+        public ImportKeysListEntry[] newArray(final int size) {
+            return new ImportKeysListEntry[size];
+        }
+    };
+
+    public String getKeyIdHex() {
+        return keyIdHex;
+    }
+
+    public byte[] getBytes() {
+        return mBytes;
+    }
+
+    public void setBytes(byte[] bytes) {
+        this.mBytes = bytes;
+    }
+
+    public boolean isSelected() {
+        return mSelected;
+    }
+
+    public void setSelected(boolean selected) {
+        this.mSelected = selected;
+    }
+
+    public long getKeyId() {
+        return keyId;
+    }
+
+    public void setKeyId(long keyId) {
+        this.keyId = keyId;
+    }
+
+    public void setKeyIdHex(String keyIdHex) {
+        this.keyIdHex = keyIdHex;
+    }
+
+    public boolean isRevoked() {
+        return revoked;
+    }
+
+    public void setRevoked(boolean revoked) {
+        this.revoked = revoked;
+    }
+
+    public Date getDate() {
+        return date;
+    }
+
+    public void setDate(Date date) {
+        this.date = date;
+    }
+
+    public String getFingerPrintHex() {
+        return fingerPrintHex;
+    }
+
+    public void setFingerPrintHex(String fingerPrintHex) {
+        this.fingerPrintHex = fingerPrintHex;
+    }
+
+    public int getBitStrength() {
+        return bitStrength;
+    }
+
+    public void setBitStrength(int bitStrength) {
+        this.bitStrength = bitStrength;
+    }
+
+    public String getAlgorithm() {
+        return algorithm;
+    }
+
+    public void setAlgorithm(String algorithm) {
+        this.algorithm = algorithm;
+    }
+
+    public boolean isSecretKey() {
+        return secretKey;
+    }
+
+    public void setSecretKey(boolean secretKey) {
+        this.secretKey = secretKey;
+    }
+
+    public ArrayList<String> getUserIds() {
+        return userIds;
+    }
+
+    public void setUserIds(ArrayList<String> userIds) {
+        this.userIds = userIds;
+    }
+
+    /**
+     * Constructor for later querying from keyserver
+     */
+    public ImportKeysListEntry() {
+        // keys from keyserver are always public keys
+        secretKey = false;
+        // do not select by default
+        mSelected = false;
+        userIds = new ArrayList<String>();
+    }
+
+    /**
+     * Constructor based on key object, used for import from NFC, QR Codes, files
+     */
+    @SuppressWarnings("unchecked")
+    public ImportKeysListEntry(PGPKeyRing pgpKeyRing) {
+        // save actual key object into entry, used to import it later
+        try {
+            this.mBytes = pgpKeyRing.getEncoded();
+        } catch (IOException e) {
+            Log.e(Constants.TAG, "IOException on pgpKeyRing.getEncoded()", e);
+        }
+
+        // selected is default
+        this.mSelected = true;
+
+        if (pgpKeyRing instanceof PGPSecretKeyRing) {
+            secretKey = true;
+        } else {
+            secretKey = false;
+        }
+
+        userIds = new ArrayList<String>();
+        for (String userId : new IterableIterator<String>(pgpKeyRing.getPublicKey().getUserIDs())) {
+            userIds.add(userId);
+        }
+
+        this.keyId = pgpKeyRing.getPublicKey().getKeyID();
+        this.keyIdHex = PgpKeyHelper.convertKeyIdToHex(keyId);
+
+        this.revoked = pgpKeyRing.getPublicKey().isRevoked();
+        this.fingerPrintHex = PgpKeyHelper.convertFingerprintToHex(pgpKeyRing.getPublicKey()
+                .getFingerprint());
+        this.bitStrength = pgpKeyRing.getPublicKey().getBitStrength();
+        final int algorithm = pgpKeyRing.getPublicKey().getAlgorithm();
+        this.algorithm = getAlgorithmFromId(algorithm);
+    }
+
+    /**
+     * Based on <a href="http://tools.ietf.org/html/rfc2440#section-9.1">OpenPGP Message Format</a>
+     */
+    private static final SparseArray<String> ALGORITHM_IDS = new SparseArray<String>() {{
+        put(-1, "unknown"); // TODO: with resources
+        put(0, "unencrypted");
+        put(PGPPublicKey.RSA_GENERAL, "RSA");
+        put(PGPPublicKey.RSA_ENCRYPT, "RSA");
+        put(PGPPublicKey.RSA_SIGN, "RSA");
+        put(PGPPublicKey.ELGAMAL_ENCRYPT, "ElGamal");
+        put(PGPPublicKey.ELGAMAL_GENERAL, "ElGamal");
+        put(PGPPublicKey.DSA, "DSA");
+        put(PGPPublicKey.EC, "ECC");
+        put(PGPPublicKey.ECDSA, "ECC");
+        put(PGPPublicKey.ECDH, "ECC");
+    }};
+
+    /**
+     * Based on <a href="http://tools.ietf.org/html/rfc2440#section-9.1">OpenPGP Message Format</a>
+     */
+    public static String getAlgorithmFromId(int algorithmId) {
+        return (ALGORITHM_IDS.get(algorithmId) != null ?
+                    ALGORITHM_IDS.get(algorithmId) :
+                    ALGORITHM_IDS.get(-1));
+    }
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysListLoader.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysListLoader.java
new file mode 100644
index 000000000..c9983213c
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysListLoader.java
@@ -0,0 +1,167 @@
+/*
+ * Copyright (C) 2012-2013 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.adapter;
+
+import android.content.Context;
+import android.support.v4.content.AsyncTaskLoader;
+import org.spongycastle.openpgp.PGPKeyRing;
+import org.spongycastle.openpgp.PGPObjectFactory;
+import org.spongycastle.openpgp.PGPUtil;
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.util.InputData;
+import org.sufficientlysecure.keychain.util.Log;
+import org.sufficientlysecure.keychain.util.PositionAwareInputStream;
+
+import java.io.BufferedInputStream;
+import java.io.InputStream;
+import java.util.ArrayList;
+
+public class ImportKeysListLoader
+        extends AsyncTaskLoader<AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>> {
+
+    public static class FileHasNoContent extends Exception {
+
+    }
+
+    public static class NonPgpPart extends Exception {
+        private int mCount;
+
+        public NonPgpPart(int count) {
+            this.mCount = count;
+        }
+
+        public int getCount() {
+            return mCount;
+        }
+    }
+
+    Context mContext;
+
+    InputData mInputData;
+
+    ArrayList<ImportKeysListEntry> mData = new ArrayList<ImportKeysListEntry>();
+    AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> mEntryListWrapper;
+
+    public ImportKeysListLoader(Context context, InputData inputData) {
+        super(context);
+        this.mContext = context;
+        this.mInputData = inputData;
+    }
+
+    @Override
+    public AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> loadInBackground() {
+
+        mEntryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(mData, null);
+
+        if (mInputData == null) {
+            Log.e(Constants.TAG, "Input data is null!");
+            return mEntryListWrapper;
+        }
+
+        generateListOfKeyrings(mInputData);
+
+        return mEntryListWrapper;
+    }
+
+    @Override
+    protected void onReset() {
+        super.onReset();
+
+        // Ensure the loader is stopped
+        onStopLoading();
+    }
+
+    @Override
+    protected void onStartLoading() {
+        forceLoad();
+    }
+
+    @Override
+    protected void onStopLoading() {
+        cancelLoad();
+    }
+
+    @Override
+    public void deliverResult(AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> data) {
+        super.deliverResult(data);
+    }
+
+    /**
+     * Reads all PGPKeyRing objects from input
+     *
+     * @param inputData
+     * @return
+     */
+    private void generateListOfKeyrings(InputData inputData) {
+
+        boolean isEmpty = true;
+        int nonPgpCounter = 0;
+
+        PositionAwareInputStream progressIn = new PositionAwareInputStream(
+                inputData.getInputStream());
+
+        // need to have access to the bufferedInput, so we can reuse it for the possible
+        // PGPObject chunks after the first one, e.g. files with several consecutive ASCII
+        // armor blocks
+        BufferedInputStream bufferedInput = new BufferedInputStream(progressIn);
+        try {
+
+            // read all available blocks... (asc files can contain many blocks with BEGIN END)
+            while (bufferedInput.available() > 0) {
+                isEmpty = false;
+                InputStream in = PGPUtil.getDecoderStream(bufferedInput);
+                PGPObjectFactory objectFactory = new PGPObjectFactory(in);
+
+                // go through all objects in this block
+                Object obj;
+                while ((obj = objectFactory.nextObject()) != null) {
+                    Log.d(Constants.TAG, "Found class: " + obj.getClass());
+
+                    if (obj instanceof PGPKeyRing) {
+                        PGPKeyRing newKeyring = (PGPKeyRing) obj;
+                        addToData(newKeyring);
+                    } else {
+                        Log.e(Constants.TAG, "Object not recognized as PGPKeyRing!");
+                        nonPgpCounter++;
+                    }
+                }
+            }
+        } catch (Exception e) {
+            Log.e(Constants.TAG, "Exception on parsing key file!", e);
+            mEntryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(mData, e);
+            nonPgpCounter = 0;
+        }
+
+        if (isEmpty) {
+            Log.e(Constants.TAG, "File has no content!", new FileHasNoContent());
+            mEntryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>
+                    (mData, new FileHasNoContent());
+        }
+
+        if (nonPgpCounter > 0) {
+            mEntryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>
+                    (mData, new NonPgpPart(nonPgpCounter));
+        }
+    }
+
+    private void addToData(PGPKeyRing keyring) {
+        ImportKeysListEntry item = new ImportKeysListEntry(keyring);
+        mData.add(item);
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysListServerLoader.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysListServerLoader.java
new file mode 100644
index 000000000..259e14319
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysListServerLoader.java
@@ -0,0 +1,130 @@
+/*
+ * 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.adapter;
+
+import android.content.Context;
+import android.support.v4.content.AsyncTaskLoader;
+
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.util.HkpKeyServer;
+import org.sufficientlysecure.keychain.util.KeyServer;
+import org.sufficientlysecure.keychain.util.Log;
+
+import java.util.ArrayList;
+
+public class ImportKeysListServerLoader
+        extends AsyncTaskLoader<AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>> {
+    Context mContext;
+
+    String mServerQuery;
+    String mKeyServer;
+
+    private ArrayList<ImportKeysListEntry> mEntryList = new ArrayList<ImportKeysListEntry>();
+    private AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> mEntryListWrapper;
+
+    public ImportKeysListServerLoader(Context context, String serverQuery, String keyServer) {
+        super(context);
+        mContext = context;
+        mServerQuery = serverQuery;
+        mKeyServer = keyServer;
+    }
+
+    @Override
+    public AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> loadInBackground() {
+
+        mEntryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(mEntryList, null);
+
+        if (mServerQuery == null) {
+            Log.e(Constants.TAG, "mServerQuery is null!");
+            return mEntryListWrapper;
+        }
+
+        if (mServerQuery.startsWith("0x") && mServerQuery.length() == 42) {
+            Log.d(Constants.TAG, "This search is based on a unique fingerprint. Enforce a fingerprint check!");
+            queryServer(mServerQuery, mKeyServer, true);
+        } else {
+            queryServer(mServerQuery, mKeyServer, false);
+        }
+
+        return mEntryListWrapper;
+    }
+
+    @Override
+    protected void onReset() {
+        super.onReset();
+
+        // Ensure the loader is stopped
+        onStopLoading();
+    }
+
+    @Override
+    protected void onStartLoading() {
+        forceLoad();
+    }
+
+    @Override
+    protected void onStopLoading() {
+        cancelLoad();
+    }
+
+    @Override
+    public void deliverResult(AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> data) {
+        super.deliverResult(data);
+    }
+
+    /**
+     * Query keyserver
+     */
+    private void queryServer(String query, String keyServer, boolean enforceFingerprint) {
+        HkpKeyServer server = new HkpKeyServer(keyServer);
+        try {
+            ArrayList<ImportKeysListEntry> searchResult = server.search(query);
+
+            mEntryList.clear();
+            // add result to data
+            if (enforceFingerprint) {
+                String fingerprint = query.substring(2);
+                Log.d(Constants.TAG, "fingerprint: " + fingerprint);
+                // query must return only one result!
+                if (searchResult.size() > 0) {
+                    ImportKeysListEntry uniqueEntry = searchResult.get(0);
+                    /*
+                     * set fingerprint explicitly after query
+                     * to enforce a check when the key is imported by KeychainIntentService
+                     */
+                    uniqueEntry.setFingerPrintHex(fingerprint);
+                    uniqueEntry.setSelected(true);
+                    mEntryList.add(uniqueEntry);
+                }
+            } else {
+                mEntryList.addAll(searchResult);
+            }
+            mEntryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(mEntryList, null);
+        } catch (KeyServer.InsufficientQuery e) {
+            Log.e(Constants.TAG, "InsufficientQuery", e);
+            mEntryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(mEntryList, e);
+        } catch (KeyServer.QueryException e) {
+            Log.e(Constants.TAG, "QueryException", e);
+            mEntryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(mEntryList, e);
+        } catch (KeyServer.TooManyResponses e) {
+            Log.e(Constants.TAG, "TooManyResponses", e);
+            mEntryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(mEntryList, e);
+        }
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyValueSpinnerAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyValueSpinnerAdapter.java
new file mode 100644
index 000000000..5b5d316b6
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyValueSpinnerAdapter.java
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2013 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.adapter;
+
+import android.content.Context;
+import android.widget.ArrayAdapter;
+
+import java.util.Comparator;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.SortedSet;
+import java.util.TreeSet;
+
+public class KeyValueSpinnerAdapter extends ArrayAdapter<String> {
+    private final HashMap<Integer, String> mData;
+    private final int[] mKeys;
+    private final String[] mValues;
+
+    static <K, V extends Comparable<? super V>> SortedSet<Map.Entry<K, V>> entriesSortedByValues(
+            Map<K, V> map) {
+        SortedSet<Map.Entry<K, V>> sortedEntries = new TreeSet<Map.Entry<K, V>>(
+                new Comparator<Map.Entry<K, V>>() {
+                    @Override
+                    public int compare(Map.Entry<K, V> e1, Map.Entry<K, V> e2) {
+                        return e1.getValue().compareTo(e2.getValue());
+                    }
+                });
+        sortedEntries.addAll(map.entrySet());
+        return sortedEntries;
+    }
+
+    public KeyValueSpinnerAdapter(Context context, HashMap<Integer, String> objects) {
+        // To make the drop down a simple text box
+        super(context, android.R.layout.simple_spinner_item);
+        mData = objects;
+
+        // To make the drop down view a radio button list
+        setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+
+        SortedSet<Map.Entry<Integer, String>> sorted = entriesSortedByValues(objects);
+
+        // Assign hash keys with a position so that we can present and retrieve them
+        int i = 0;
+        mKeys = new int[mData.size()];
+        mValues = new String[mData.size()];
+        for (Map.Entry<Integer, String> entry : sorted) {
+            mKeys[i] = entry.getKey();
+            mValues[i] = entry.getValue();
+            i++;
+        }
+    }
+
+    public int getCount() {
+        return mData.size();
+    }
+
+    /**
+     * Returns the value
+     */
+    @Override
+    public String getItem(int position) {
+        // return the value based on the position. This is displayed in the list.
+        return mValues[position];
+    }
+
+    /**
+     * Returns item key
+     */
+    public long getItemId(int position) {
+        // Return an id to represent the item.
+
+        return mKeys[position];
+    }
+
+    /**
+     * Find position from key
+     */
+    public int getPosition(long itemId) {
+        for (int i = 0; i < mKeys.length; i++) {
+            if ((int) itemId == mKeys[i]) {
+                return i;
+            }
+        }
+        return -1;
+    }
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/PagerTabStripAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/PagerTabStripAdapter.java
new file mode 100644
index 000000000..fd864eb09
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/PagerTabStripAdapter.java
@@ -0,0 +1,70 @@
+/*
+ * 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.adapter;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentPagerAdapter;
+import android.support.v7.app.ActionBarActivity;
+
+import java.util.ArrayList;
+
+public class PagerTabStripAdapter extends FragmentPagerAdapter {
+    private final Context mContext;
+    private final ArrayList<TabInfo> mTabs = new ArrayList<TabInfo>();
+
+    static final class TabInfo {
+        public final Class<?> clss;
+        public final Bundle args;
+        public final String title;
+
+        TabInfo(Class<?> clss, Bundle args, String title) {
+            this.clss = clss;
+            this.args = args;
+            this.title = title;
+        }
+    }
+
+    public PagerTabStripAdapter(ActionBarActivity activity) {
+        super(activity.getSupportFragmentManager());
+        mContext = activity;
+    }
+
+    public void addTab(Class<?> clss, Bundle args, String title) {
+        TabInfo info = new TabInfo(clss, args, title);
+        mTabs.add(info);
+        notifyDataSetChanged();
+    }
+
+    @Override
+    public int getCount() {
+        return mTabs.size();
+    }
+
+    @Override
+    public Fragment getItem(int position) {
+        TabInfo info = mTabs.get(position);
+        return Fragment.instantiate(mContext, info.clss.getName(), info.args);
+    }
+
+    @Override
+    public CharSequence getPageTitle(int position) {
+        return mTabs.get(position).title;
+    }
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/SelectKeyCursorAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/SelectKeyCursorAdapter.java
new file mode 100644
index 000000000..fbbb9caa4
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/SelectKeyCursorAdapter.java
@@ -0,0 +1,165 @@
+/*
+ * 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.adapter;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CheckBox;
+import android.widget.ListView;
+import android.widget.TextView;
+import org.sufficientlysecure.keychain.Id;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
+import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
+import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
+
+
+public class SelectKeyCursorAdapter extends HighlightQueryCursorAdapter {
+
+    protected int mKeyType;
+
+    private LayoutInflater mInflater;
+    private ListView mListView;
+
+    private int mIndexUserId;
+    private int mIndexMasterKeyId;
+    private int mIndexProjectionValid;
+    private int mIndexProjectionAvailable;
+
+    public static final String PROJECTION_ROW_AVAILABLE = "available";
+    public static final String PROJECTION_ROW_VALID = "valid";
+
+    public SelectKeyCursorAdapter(Context context, Cursor c, int flags, ListView listView,
+                                  int keyType) {
+        super(context, c, flags);
+
+        mInflater = LayoutInflater.from(context);
+        mListView = listView;
+        mKeyType = keyType;
+        initIndex(c);
+    }
+
+    @Override
+    public Cursor swapCursor(Cursor newCursor) {
+        initIndex(newCursor);
+
+        return super.swapCursor(newCursor);
+    }
+
+    /**
+     * Get column indexes for performance reasons just once in constructor and swapCursor. For a
+     * performance comparison see http://stackoverflow.com/a/17999582
+     *
+     * @param cursor
+     */
+    private void initIndex(Cursor cursor) {
+        if (cursor != null) {
+            mIndexUserId = cursor.getColumnIndexOrThrow(UserIds.USER_ID);
+            mIndexMasterKeyId = cursor.getColumnIndexOrThrow(KeyRings.MASTER_KEY_ID);
+            mIndexProjectionValid = cursor.getColumnIndexOrThrow(PROJECTION_ROW_VALID);
+            mIndexProjectionAvailable = cursor.getColumnIndexOrThrow(PROJECTION_ROW_AVAILABLE);
+        }
+    }
+
+    public String getUserId(int position) {
+        mCursor.moveToPosition(position);
+        return mCursor.getString(mIndexUserId);
+    }
+
+    public long getMasterKeyId(int position) {
+        mCursor.moveToPosition(position);
+        return mCursor.getLong(mIndexMasterKeyId);
+    }
+
+    @Override
+    public void bindView(View view, Context context, Cursor cursor) {
+        boolean valid = cursor.getInt(mIndexProjectionValid) > 0;
+
+        TextView mainUserId = (TextView) view.findViewById(R.id.mainUserId);
+        TextView mainUserIdRest = (TextView) view.findViewById(R.id.mainUserIdRest);
+        TextView keyId = (TextView) view.findViewById(R.id.keyId);
+        TextView status = (TextView) view.findViewById(R.id.status);
+
+        String userId = cursor.getString(mIndexUserId);
+        String[] userIdSplit = PgpKeyHelper.splitUserId(userId);
+
+        if (userIdSplit[0] != null) {
+            mainUserId.setText(highlightSearchQuery(userIdSplit[0]));
+        } else {
+            mainUserId.setText(R.string.user_id_no_name);
+        }
+        if (userIdSplit[1] != null) {
+            mainUserIdRest.setText(highlightSearchQuery(userIdSplit[1]));
+        } else {
+            mainUserIdRest.setText("");
+        }
+
+        // TODO: needed to key id to no?
+        keyId.setText(R.string.no_key);
+        long masterKeyId = cursor.getLong(mIndexMasterKeyId);
+        keyId.setText(PgpKeyHelper.convertKeyIdToHexShort(masterKeyId));
+
+        // TODO: needed to set unknown_status?
+        status.setText(R.string.unknown_status);
+        if (valid) {
+            if (mKeyType == Id.type.public_key) {
+                status.setText(R.string.can_encrypt);
+            } else {
+                status.setText(R.string.can_sign);
+            }
+        } else {
+            if (cursor.getInt(mIndexProjectionAvailable) > 0) {
+                // has some CAN_ENCRYPT keys, but col(ROW_VALID) = 0, so must be revoked or
+                // expired
+                status.setText(R.string.expired);
+            } else {
+                status.setText(R.string.no_key);
+            }
+        }
+
+        CheckBox selected = (CheckBox) view.findViewById(R.id.selected);
+        if (mKeyType == Id.type.public_key) {
+            selected.setVisibility(View.VISIBLE);
+
+            if (!valid) {
+                mListView.setItemChecked(cursor.getPosition(), false);
+            }
+
+            selected.setChecked(mListView.isItemChecked(cursor.getPosition()));
+            selected.setEnabled(valid);
+        } else {
+            selected.setVisibility(View.GONE);
+        }
+
+        status.setText(status.getText() + " ");
+
+        view.setEnabled(valid);
+        mainUserId.setEnabled(valid);
+        mainUserIdRest.setEnabled(valid);
+        keyId.setEnabled(valid);
+        status.setEnabled(valid);
+    }
+
+    @Override
+    public View newView(Context context, Cursor cursor, ViewGroup parent) {
+        return mInflater.inflate(R.layout.select_key_item, null);
+    }
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/TabsAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/TabsAdapter.java
new file mode 100644
index 000000000..9ddfa90be
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/TabsAdapter.java
@@ -0,0 +1,101 @@
+/*
+ * 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.adapter;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentStatePagerAdapter;
+import android.support.v4.app.FragmentTransaction;
+import android.support.v4.view.ViewPager;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.ActionBarActivity;
+
+import java.util.ArrayList;
+
+public class TabsAdapter extends FragmentStatePagerAdapter implements ActionBar.TabListener,
+        ViewPager.OnPageChangeListener {
+    private final Context mContext;
+    private final ActionBar mActionBar;
+    private final ViewPager mViewPager;
+    private final ArrayList<TabInfo> mTabs = new ArrayList<TabInfo>();
+
+    static final class TabInfo {
+        public final Class<?> clss;
+        public final Bundle args;
+
+        TabInfo(Class<?> clss, Bundle args) {
+            this.clss = clss;
+            this.args = args;
+        }
+    }
+
+    public TabsAdapter(ActionBarActivity activity, ViewPager pager) {
+        super(activity.getSupportFragmentManager());
+        mContext = activity;
+        mActionBar = activity.getSupportActionBar();
+        mViewPager = pager;
+        mViewPager.setAdapter(this);
+        mViewPager.setOnPageChangeListener(this);
+    }
+
+    public void addTab(ActionBar.Tab tab, Class<?> clss, Bundle args, boolean selected) {
+        TabInfo info = new TabInfo(clss, args);
+        tab.setTag(info);
+        tab.setTabListener(this);
+        mTabs.add(info);
+        mActionBar.addTab(tab, selected);
+        notifyDataSetChanged();
+    }
+
+    @Override
+    public int getCount() {
+        return mTabs.size();
+    }
+
+    @Override
+    public Fragment getItem(int position) {
+        TabInfo info = mTabs.get(position);
+        return Fragment.instantiate(mContext, info.clss.getName(), info.args);
+    }
+
+    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
+    }
+
+    public void onPageSelected(int position) {
+        mActionBar.setSelectedNavigationItem(position);
+    }
+
+    public void onPageScrollStateChanged(int state) {
+    }
+
+    public void onTabSelected(ActionBar.Tab tab, FragmentTransaction ft) {
+        Object tag = tab.getTag();
+        for (int i = 0; i < mTabs.size(); i++) {
+            if (mTabs.get(i) == tag) {
+                mViewPager.setCurrentItem(i);
+            }
+        }
+    }
+
+    public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction ft) {
+    }
+
+    public void onTabReselected(ActionBar.Tab tab, FragmentTransaction ft) {
+    }
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ViewKeyKeysAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ViewKeyKeysAdapter.java
new file mode 100644
index 000000000..64b735bfa
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ViewKeyKeysAdapter.java
@@ -0,0 +1,175 @@
+/*
+ * 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.adapter;
+
+import android.content.Context;
+import android.content.res.ColorStateList;
+import android.database.Cursor;
+import android.support.v4.widget.CursorAdapter;
+import android.text.format.DateFormat;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.helper.OtherHelper;
+import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
+import org.sufficientlysecure.keychain.provider.KeychainContract.Keys;
+
+import java.util.Date;
+
+public class ViewKeyKeysAdapter extends CursorAdapter {
+    private LayoutInflater mInflater;
+
+    private int mIndexKeyId;
+    private int mIndexAlgorithm;
+    private int mIndexKeySize;
+    private int mIndexRank;
+    private int mIndexCanCertify;
+    private int mIndexCanEncrypt;
+    private int mIndexCanSign;
+    private int mIndexRevokedKey;
+    private int mIndexExpiry;
+
+    private ColorStateList mDefaultTextColor;
+
+    public ViewKeyKeysAdapter(Context context, Cursor c, int flags) {
+        super(context, c, flags);
+
+        mInflater = LayoutInflater.from(context);
+
+        initIndex(c);
+    }
+
+    @Override
+    public Cursor swapCursor(Cursor newCursor) {
+        initIndex(newCursor);
+
+        return super.swapCursor(newCursor);
+    }
+
+    /**
+     * Get column indexes for performance reasons just once in constructor and swapCursor. For a
+     * performance comparison see http://stackoverflow.com/a/17999582
+     *
+     * @param cursor
+     */
+    private void initIndex(Cursor cursor) {
+        if (cursor != null) {
+            mIndexKeyId = cursor.getColumnIndexOrThrow(Keys.KEY_ID);
+            mIndexAlgorithm = cursor.getColumnIndexOrThrow(Keys.ALGORITHM);
+            mIndexKeySize = cursor.getColumnIndexOrThrow(Keys.KEY_SIZE);
+            mIndexRank = cursor.getColumnIndexOrThrow(Keys.RANK);
+            mIndexCanCertify = cursor.getColumnIndexOrThrow(Keys.CAN_CERTIFY);
+            mIndexCanEncrypt = cursor.getColumnIndexOrThrow(Keys.CAN_ENCRYPT);
+            mIndexCanSign = cursor.getColumnIndexOrThrow(Keys.CAN_SIGN);
+            mIndexRevokedKey = cursor.getColumnIndexOrThrow(Keys.IS_REVOKED);
+            mIndexExpiry = cursor.getColumnIndexOrThrow(Keys.EXPIRY);
+        }
+    }
+
+    @Override
+    public void bindView(View view, Context context, Cursor cursor) {
+        TextView keyId = (TextView) view.findViewById(R.id.keyId);
+        TextView keyDetails = (TextView) view.findViewById(R.id.keyDetails);
+        TextView keyExpiry = (TextView) view.findViewById(R.id.keyExpiry);
+        ImageView masterKeyIcon = (ImageView) view.findViewById(R.id.ic_masterKey);
+        ImageView certifyIcon = (ImageView) view.findViewById(R.id.ic_certifyKey);
+        ImageView encryptIcon = (ImageView) view.findViewById(R.id.ic_encryptKey);
+        ImageView signIcon = (ImageView) view.findViewById(R.id.ic_signKey);
+        ImageView revokedKeyIcon = (ImageView) view.findViewById(R.id.ic_revokedKey);
+
+        String keyIdStr = PgpKeyHelper.convertKeyIdToHexShort(cursor.getLong(mIndexKeyId));
+        String algorithmStr = PgpKeyHelper.getAlgorithmInfo(cursor.getInt(mIndexAlgorithm),
+                cursor.getInt(mIndexKeySize));
+
+        keyId.setText(keyIdStr);
+        keyDetails.setText("(" + algorithmStr + ")");
+
+        if (cursor.getInt(mIndexRank) == 0) {
+            masterKeyIcon.setVisibility(View.INVISIBLE);
+        } else {
+            masterKeyIcon.setVisibility(View.VISIBLE);
+        }
+
+        if (cursor.getInt(mIndexCanCertify) != 1) {
+            certifyIcon.setVisibility(View.GONE);
+        } else {
+            certifyIcon.setVisibility(View.VISIBLE);
+        }
+
+        if (cursor.getInt(mIndexCanEncrypt) != 1) {
+            encryptIcon.setVisibility(View.GONE);
+        } else {
+            encryptIcon.setVisibility(View.VISIBLE);
+        }
+
+        if (cursor.getInt(mIndexCanSign) != 1) {
+            signIcon.setVisibility(View.GONE);
+        } else {
+            signIcon.setVisibility(View.VISIBLE);
+        }
+
+        boolean valid = true;
+        if (cursor.getInt(mIndexRevokedKey) > 0) {
+            revokedKeyIcon.setVisibility(View.VISIBLE);
+
+            valid = false;
+        } else {
+            keyId.setTextColor(mDefaultTextColor);
+            keyDetails.setTextColor(mDefaultTextColor);
+            keyExpiry.setTextColor(mDefaultTextColor);
+
+            revokedKeyIcon.setVisibility(View.GONE);
+        }
+
+        if (!cursor.isNull(mIndexExpiry)) {
+            Date expiryDate = new Date(cursor.getLong(mIndexExpiry) * 1000);
+
+            valid = valid && expiryDate.after(new Date());
+            keyExpiry.setText("(" +
+                    context.getString(R.string.label_expiry) + ": " +
+                    DateFormat.getDateFormat(context).format(expiryDate) + ")");
+
+            keyExpiry.setVisibility(View.VISIBLE);
+        } else {
+            keyExpiry.setVisibility(View.GONE);
+        }
+        // if key is expired or revoked, strike through text
+        if (!valid) {
+            keyId.setText(OtherHelper.strikeOutText(keyId.getText()));
+            keyDetails.setText(OtherHelper.strikeOutText(keyDetails.getText()));
+            keyExpiry.setText(OtherHelper.strikeOutText(keyExpiry.getText()));
+        }
+        keyId.setEnabled(valid);
+        keyDetails.setEnabled(valid);
+        keyExpiry.setEnabled(valid);
+    }
+
+    @Override
+    public View newView(Context context, Cursor cursor, ViewGroup parent) {
+        View view = mInflater.inflate(R.layout.view_key_keys_item, null);
+        if (mDefaultTextColor == null) {
+            TextView keyId = (TextView) view.findViewById(R.id.keyId);
+            mDefaultTextColor = keyId.getTextColors();
+        }
+        return view;
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ViewKeyUserIdsAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ViewKeyUserIdsAdapter.java
new file mode 100644
index 000000000..09137f745
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ViewKeyUserIdsAdapter.java
@@ -0,0 +1,181 @@
+/*
+ * 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.adapter;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.support.v4.widget.CursorAdapter;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.AdapterView;
+import android.widget.CheckBox;
+import android.widget.CompoundButton;
+import android.widget.ImageView;
+import android.widget.TextView;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
+import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
+import org.sufficientlysecure.keychain.provider.KeychainContract.Certs;
+
+import java.util.ArrayList;
+
+public class ViewKeyUserIdsAdapter extends CursorAdapter implements AdapterView.OnItemClickListener {
+    private LayoutInflater mInflater;
+
+    private int mIndexUserId, mIndexRank;
+    private int mVerifiedId, mIsRevoked, mIsPrimary;
+
+    private final ArrayList<Boolean> mCheckStates;
+
+    public static final String[] USER_IDS_PROJECTION = new String[] {
+            UserIds._ID, UserIds.USER_ID, UserIds.RANK,
+            UserIds.VERIFIED, UserIds.IS_PRIMARY, UserIds.IS_REVOKED
+    };
+
+    public ViewKeyUserIdsAdapter(Context context, Cursor c, int flags, boolean showCheckBoxes) {
+        super(context, c, flags);
+
+        mInflater = LayoutInflater.from(context);
+
+        mCheckStates = showCheckBoxes ? new ArrayList<Boolean>() : null;
+
+        initIndex(c);
+    }
+    public ViewKeyUserIdsAdapter(Context context, Cursor c, int flags) {
+        this(context, c, flags, false);
+    }
+
+    @Override
+    public Cursor swapCursor(Cursor newCursor) {
+        initIndex(newCursor);
+        if (mCheckStates != null) {
+            mCheckStates.clear();
+            if (newCursor != null) {
+                int count = newCursor.getCount();
+                mCheckStates.ensureCapacity(count);
+                // initialize to true (use case knowledge: we usually want to sign all uids)
+                for(int i = 0; i < count; i++) {
+                    newCursor.moveToPosition(i);
+                    int verified = newCursor.getInt(mVerifiedId);
+                    mCheckStates.add(verified != Certs.VERIFIED_SECRET);
+                }
+            }
+        }
+
+        return super.swapCursor(newCursor);
+    }
+
+    /**
+     * Get column indexes for performance reasons just once in constructor and swapCursor. For a
+     * performance comparison see http://stackoverflow.com/a/17999582
+     *
+     * @param cursor
+     */
+    private void initIndex(Cursor cursor) {
+        if (cursor != null) {
+            mIndexUserId = cursor.getColumnIndexOrThrow(UserIds.USER_ID);
+            mIndexRank = cursor.getColumnIndexOrThrow(UserIds.RANK);
+            mVerifiedId = cursor.getColumnIndexOrThrow(UserIds.VERIFIED);
+            mIsRevoked = cursor.getColumnIndexOrThrow(UserIds.IS_REVOKED);
+            mIsPrimary = cursor.getColumnIndexOrThrow(UserIds.IS_PRIMARY);
+        }
+    }
+
+    @Override
+    public void bindView(View view, Context context, Cursor cursor) {
+
+        TextView vRank = (TextView) view.findViewById(R.id.rank);
+        TextView vUserId = (TextView) view.findViewById(R.id.userId);
+        TextView vAddress = (TextView) view.findViewById(R.id.address);
+        ImageView vVerified = (ImageView) view.findViewById(R.id.certified);
+
+        if(cursor.getInt(mIsPrimary) > 0) {
+            vRank.setText("+");
+        } else {
+            vRank.setText(Integer.toString(cursor.getInt(mIndexRank)));
+        }
+
+        String[] userId = PgpKeyHelper.splitUserId(cursor.getString(mIndexUserId));
+        if (userId[0] != null) {
+            vUserId.setText(userId[0]);
+        } else {
+            vUserId.setText(R.string.user_id_no_name);
+        }
+        vAddress.setText(userId[1]);
+
+        if(cursor.getInt(mIsRevoked) > 0) {
+            vRank.setText(" ");
+            vVerified.setImageResource(android.R.drawable.presence_away);
+        } else {
+            int verified = cursor.getInt(mVerifiedId);
+            // TODO introduce own resources for this :)
+            if(verified == Certs.VERIFIED_SECRET)
+                vVerified.setImageResource(android.R.drawable.presence_online);
+            else if(verified == Certs.VERIFIED_SELF)
+                vVerified.setImageResource(android.R.drawable.presence_invisible);
+            else
+                vVerified.setImageResource(android.R.drawable.presence_busy);
+        }
+
+        // don't care further if checkboxes aren't shown
+        if (mCheckStates == null) {
+            return;
+        }
+
+        final CheckBox vCheckBox = (CheckBox) view.findViewById(R.id.checkBox);
+        final int position = cursor.getPosition();
+        vCheckBox.setOnCheckedChangeListener(null);
+        vCheckBox.setChecked(mCheckStates.get(position));
+        vCheckBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
+                mCheckStates.set(position, b);
+            }
+        });
+        vCheckBox.setClickable(false);
+
+    }
+
+    public void onItemClick(AdapterView<?> adapter, View view, int position, long id) {
+        CheckBox box = ((CheckBox) view.findViewById(R.id.checkBox));
+        if(box != null) {
+            box.toggle();
+        }
+    }
+
+    public ArrayList<String> getSelectedUserIds() {
+        ArrayList<String> result = new ArrayList<String>();
+        for (int i = 0; i < mCheckStates.size(); i++) {
+            if (mCheckStates.get(i)) {
+                mCursor.moveToPosition(i);
+                result.add(mCursor.getString(mIndexUserId));
+            }
+        }
+        return result;
+    }
+
+    @Override
+    public View newView(Context context, Cursor cursor, ViewGroup parent) {
+        View view = mInflater.inflate(R.layout.view_key_userids_item, null);
+        // only need to do this once ever, since mShowCheckBoxes is final
+        view.findViewById(R.id.checkBox).setVisibility(mCheckStates != null ? View.VISIBLE : View.GONE);
+        return view;
+    }
+
+}