Create key with fragments

4 files changed, 464 insertions, 212 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyActivity.java
index 3cf89f6a4..40e8af72d 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyActivity.java
@@ -17,233 +17,65 @@
 
 package org.sufficientlysecure.keychain.ui;
 
-import android.app.ProgressDialog;
-import android.content.Context;
-import android.content.Intent;
-import android.net.Uri;
 import android.os.Bundle;
-import android.os.Message;
-import android.os.Messenger;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentTransaction;
 import android.support.v7.app.ActionBarActivity;
-import android.text.Editable;
-import android.text.TextWatcher;
-import android.util.Patterns;
-import android.view.View;
-import android.widget.ArrayAdapter;
-import android.widget.AutoCompleteTextView;
-import android.widget.Button;
-import android.widget.CheckBox;
-import android.widget.EditText;
-import android.widget.Spinner;
 
-import com.devspark.appmsg.AppMsg;
-
-import org.spongycastle.bcpg.sig.KeyFlags;
-import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.R;
-import org.sufficientlysecure.keychain.helper.ContactHelper;
-import org.sufficientlysecure.keychain.service.KeychainIntentService;
-import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler;
-import org.sufficientlysecure.keychain.service.SaveKeyringParcel;
-
-import java.util.regex.Matcher;
 
 public class CreateKeyActivity extends ActionBarActivity {
 
-    AutoCompleteTextView mNameEdit;
-    AutoCompleteTextView mEmailEdit;
-    EditText mPassphraseEdit;
-    View mCreateButton;
-    CheckBox mUploadCheckbox;
+    public static final String EXTRA_NAME = "name";
+    public static final String EXTRA_EMAIL = "email";
+
+    public static final int ANIM_NO = 0;
+    public static final int ANIM_TO_RIGHT = 1;
+    public static final int ANIM_TO_LEFT = 2;
 
     @Override
-    protected void onCreate(Bundle savedInstanceState) {
+    public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
         setContentView(R.layout.create_key_activity);
 
-        mNameEdit = (AutoCompleteTextView) findViewById(R.id.name);
-        mEmailEdit = (AutoCompleteTextView) findViewById(R.id.email);
-        mPassphraseEdit = (EditText) findViewById(R.id.passphrase);
-        mCreateButton = findViewById(R.id.create_key_button);
-        mUploadCheckbox = (CheckBox) findViewById(R.id.create_key_upload);
-
-        mEmailEdit.setThreshold(1); // Start working from first character
-        mEmailEdit.setAdapter(
-                new ArrayAdapter<String>
-                        (this, android.R.layout.simple_spinner_dropdown_item,
-                                ContactHelper.getPossibleUserEmails(this)
-                        )
-        );
-        mEmailEdit.addTextChangedListener(new TextWatcher() {
-            @Override
-            public void beforeTextChanged(CharSequence charSequence, int i, int i2, int i3) {
-            }
-
-            @Override
-            public void onTextChanged(CharSequence charSequence, int i, int i2, int i3) {
-            }
-
-            @Override
-            public void afterTextChanged(Editable editable) {
-                String email = editable.toString();
-                if (email.length() > 0) {
-                    Matcher emailMatcher = Patterns.EMAIL_ADDRESS.matcher(email);
-                    if (emailMatcher.matches()) {
-                        mEmailEdit.setCompoundDrawablesWithIntrinsicBounds(0, 0,
-                                R.drawable.uid_mail_ok, 0);
-                    } else {
-                        mEmailEdit.setCompoundDrawablesWithIntrinsicBounds(0, 0,
-                                R.drawable.uid_mail_bad, 0);
-                    }
-                } else {
-                    // remove drawable if email is empty
-                    mEmailEdit.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
-                }
-            }
-        });
-
-        mNameEdit.setThreshold(1); // Start working from first character
-        mNameEdit.setAdapter(
-                new ArrayAdapter<String>
-                        (this, android.R.layout.simple_spinner_dropdown_item,
-                                ContactHelper.getPossibleUserNames(this)
-                        )
-        );
-
-        mCreateButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                createKeyCheck();
-            }
-        });
-
+        // pass extras into fragment
+        CreateKeyInputFragment frag =
+                CreateKeyInputFragment.newInstance(
+                        getIntent().getStringExtra(EXTRA_NAME),
+                        getIntent().getStringExtra(EXTRA_EMAIL)
+                );
+        loadFragment(null, frag, ANIM_NO);
     }
 
-    private void createKeyCheck() {
-        if (isEditTextNotEmpty(this, mNameEdit)
-                && isEditTextNotEmpty(this, mEmailEdit)
-                && isEditTextNotEmpty(this, mPassphraseEdit)) {
-            createKey();
+    public void loadFragment(Bundle savedInstanceState, Fragment fragment, int animation) {
+        // However, if we're being restored from a previous state,
+        // then we don't need to do anything and should return or else
+        // we could end up with overlapping fragments.
+        if (savedInstanceState != null) {
+            return;
         }
-    }
-
-    private void createKey() {
-        Intent intent = new Intent(this, KeychainIntentService.class);
-        intent.setAction(KeychainIntentService.ACTION_SAVE_KEYRING);
-
-        // Message is received after importing is done in KeychainIntentService
-        KeychainIntentServiceHandler saveHandler = new KeychainIntentServiceHandler(
-                this,
-                getString(R.string.progress_importing),
-                ProgressDialog.STYLE_HORIZONTAL) {
-            public void handleMessage(Message message) {
-                // handle messages by standard KeychainIntentServiceHandler first
-                super.handleMessage(message);
-
-                // TODO
-//                if (mUploadCheckbox.isChecked()) {
-//                    uploadKey();
-//                } else {
-                    if (message.arg1 == KeychainIntentServiceHandler.MESSAGE_OKAY) {
-                        CreateKeyActivity.this.setResult(RESULT_OK);
-                        CreateKeyActivity.this.finish();
-                    }
-//                }
-            }
-        };
-
-        // fill values for this action
-        Bundle data = new Bundle();
-
-        SaveKeyringParcel parcel = new SaveKeyringParcel();
-        parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(Constants.choice.algorithm.rsa, 4096, KeyFlags.CERTIFY_OTHER, null));
-        parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(Constants.choice.algorithm.rsa, 4096, KeyFlags.SIGN_DATA, null));
-        parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(Constants.choice.algorithm.rsa, 4096, KeyFlags.ENCRYPT_COMMS | KeyFlags.ENCRYPT_STORAGE, null));
-        String userId = mNameEdit.getText().toString() + " <" + mEmailEdit.getText().toString() + ">";
-        parcel.mAddUserIds.add(userId);
-        parcel.mNewPassphrase = mPassphraseEdit.getText().toString();
-
-        // get selected key entries
-        data.putParcelable(KeychainIntentService.SAVE_KEYRING_PARCEL, parcel);
-
-        intent.putExtra(KeychainIntentService.EXTRA_DATA, data);
-
-        // Create a new Messenger for the communication back
-        Messenger messenger = new Messenger(saveHandler);
-        intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger);
 
-        saveHandler.showProgressDialog(this);
-
-        startService(intent);
-    }
-
-    private void uploadKey() {
-        // Send all information needed to service to upload key in other thread
-        Intent intent = new Intent(this, KeychainIntentService.class);
-
-        intent.setAction(KeychainIntentService.ACTION_UPLOAD_KEYRING);
-
-        // set data uri as path to keyring
-        // TODO
-//        Uri blobUri = KeychainContract.KeyRingData.buildPublicKeyRingUri(mDataUri);
-//        intent.setData(blobUri);
-
-        // fill values for this action
-        Bundle data = new Bundle();
-
-        Spinner keyServer = (Spinner) findViewById(R.id.upload_key_keyserver);
-        String server = (String) keyServer.getSelectedItem();
-        data.putString(KeychainIntentService.UPLOAD_KEY_SERVER, server);
-
-        intent.putExtra(KeychainIntentService.EXTRA_DATA, data);
-
-        // Message is received after uploading is done in KeychainIntentService
-        KeychainIntentServiceHandler saveHandler = new KeychainIntentServiceHandler(this,
-                getString(R.string.progress_exporting), ProgressDialog.STYLE_HORIZONTAL) {
-            public void handleMessage(Message message) {
-                // handle messages by standard KeychainIntentServiceHandler first
-                super.handleMessage(message);
-
-                if (message.arg1 == KeychainIntentServiceHandler.MESSAGE_OKAY) {
-                    AppMsg.makeText(CreateKeyActivity.this, R.string.key_send_success,
-                            AppMsg.STYLE_INFO).show();
-
-                    CreateKeyActivity.this.setResult(RESULT_OK);
-                    CreateKeyActivity.this.finish();
-                }
-            }
-        };
-
-        // Create a new Messenger for the communication back
-        Messenger messenger = new Messenger(saveHandler);
-        intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger);
-
-        // show progress dialog
-        saveHandler.showProgressDialog(this);
-
-        // start service with intent
-        startService(intent);
-    }
-
-    /**
-     * Checks if text of given EditText is not empty. If it is empty an error is
-     * set and the EditText gets the focus.
-     *
-     * @param context
-     * @param editText
-     * @return true if EditText is not empty
-     */
-    private static boolean isEditTextNotEmpty(Context context, EditText editText) {
-        boolean output = true;
-        if (editText.getText().toString().length() == 0) {
-            editText.setError(context.getString(R.string.create_key_empty));
-            editText.requestFocus();
-            output = false;
-        } else {
-            editText.setError(null);
+        // Add the fragment to the 'fragment_container' FrameLayout
+        // NOTE: We use commitAllowingStateLoss() to prevent weird crashes!
+        FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
+
+        switch (animation) {
+            case ANIM_NO:
+                transaction.setCustomAnimations(0, 0);
+                break;
+            case ANIM_TO_LEFT:
+                transaction.setCustomAnimations(R.anim.frag_slide_in_from_left, R.anim.frag_slide_out_to_right);
+                break;
+            case ANIM_TO_RIGHT:
+                transaction.setCustomAnimations(R.anim.frag_slide_out_to_left, R.anim.frag_slide_in_from_right);
+                transaction.addToBackStack("back");
+                break;
         }
-
-        return output;
+        transaction.replace(R.id.create_key_fragment_container, fragment)
+                .commitAllowingStateLoss();
+        // do it immediately!
+        getSupportFragmentManager().executePendingTransactions();
     }
+
 }
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyFinalFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyFinalFragment.java
new file mode 100644
index 000000000..dffdfe448
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyFinalFragment.java
@@ -0,0 +1,220 @@
+/*
+ * 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;
+
+import android.app.Activity;
+import android.app.ProgressDialog;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.Message;
+import android.os.Messenger;
+import android.support.v4.app.Fragment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CheckBox;
+import android.widget.Spinner;
+import android.widget.TextView;
+
+import com.devspark.appmsg.AppMsg;
+
+import org.spongycastle.bcpg.sig.KeyFlags;
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.service.KeychainIntentService;
+import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler;
+import org.sufficientlysecure.keychain.service.SaveKeyringParcel;
+
+public class CreateKeyFinalFragment extends Fragment {
+
+    CreateKeyActivity mCreateKeyActivity;
+
+    TextView mNameEdit;
+    TextView mEmailEdit;
+    CheckBox mUploadCheckbox;
+    View mBackButton;
+    View mCreateButton;
+
+    public static final String ARG_NAME = "name";
+    public static final String ARG_EMAIL = "email";
+    public static final String ARG_PASSPHRASE = "passphrase";
+
+    String mName;
+    String mEmail;
+    String mPassphrase;
+
+    /**
+     * Creates new instance of this fragment
+     */
+    public static CreateKeyFinalFragment newInstance(String name, String email, String passphrase) {
+        CreateKeyFinalFragment frag = new CreateKeyFinalFragment();
+
+        Bundle args = new Bundle();
+        args.putString(ARG_NAME, name);
+        args.putString(ARG_EMAIL, email);
+        args.putString(ARG_PASSPHRASE, passphrase);
+
+        frag.setArguments(args);
+
+        return frag;
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.create_key_final_fragment, container, false);
+
+        mNameEdit = (TextView) view.findViewById(R.id.name);
+        mEmailEdit = (TextView) view.findViewById(R.id.email);
+        mUploadCheckbox = (CheckBox) view.findViewById(R.id.create_key_upload);
+        mBackButton = view.findViewById(R.id.create_key_back_button);
+        mCreateButton = view.findViewById(R.id.create_key_create_button);
+
+        // get args
+        mName = getArguments().getString(ARG_NAME);
+        mEmail = getArguments().getString(ARG_EMAIL);
+        mPassphrase = getArguments().getString(ARG_PASSPHRASE);
+
+        // set values
+        mNameEdit.setText(mName);
+        mEmailEdit.setText(mEmail);
+
+        mCreateButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                createKey();
+            }
+        });
+
+        mBackButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                CreateKeyInputFragment frag =
+                        CreateKeyInputFragment.newInstance(mName, mEmail);
+                mCreateKeyActivity.loadFragment(null, frag, CreateKeyActivity.ANIM_TO_LEFT);
+            }
+        });
+
+        return view;
+    }
+
+    @Override
+    public void onActivityCreated(Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+
+        mCreateKeyActivity = (CreateKeyActivity) getActivity();
+    }
+
+    private void createKey() {
+        Intent intent = new Intent(getActivity(), KeychainIntentService.class);
+        intent.setAction(KeychainIntentService.ACTION_SAVE_KEYRING);
+
+        // Message is received after importing is done in KeychainIntentService
+        KeychainIntentServiceHandler saveHandler = new KeychainIntentServiceHandler(
+                getActivity(),
+                getString(R.string.progress_importing),
+                ProgressDialog.STYLE_HORIZONTAL) {
+            public void handleMessage(Message message) {
+                // handle messages by standard KeychainIntentServiceHandler first
+                super.handleMessage(message);
+
+                // TODO
+//                if (mUploadCheckbox.isChecked()) {
+//                    uploadKey();
+//                } else {
+                if (message.arg1 == KeychainIntentServiceHandler.MESSAGE_OKAY) {
+                    getActivity().setResult(Activity.RESULT_OK);
+                    getActivity().finish();
+                }
+//                }
+            }
+        };
+
+        // fill values for this action
+        Bundle data = new Bundle();
+
+        SaveKeyringParcel parcel = new SaveKeyringParcel();
+        parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(Constants.choice.algorithm.rsa, 4096, KeyFlags.CERTIFY_OTHER, null));
+        parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(Constants.choice.algorithm.rsa, 4096, KeyFlags.SIGN_DATA, null));
+        parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(Constants.choice.algorithm.rsa, 4096, KeyFlags.ENCRYPT_COMMS | KeyFlags.ENCRYPT_STORAGE, null));
+        String userId = mName + " <" + mEmail + ">";
+        parcel.mAddUserIds.add(userId);
+        parcel.mNewPassphrase = mPassphrase;
+
+        // get selected key entries
+        data.putParcelable(KeychainIntentService.SAVE_KEYRING_PARCEL, parcel);
+
+        intent.putExtra(KeychainIntentService.EXTRA_DATA, data);
+
+        // Create a new Messenger for the communication back
+        Messenger messenger = new Messenger(saveHandler);
+        intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger);
+
+        saveHandler.showProgressDialog(getActivity());
+
+        getActivity().startService(intent);
+    }
+
+    private void uploadKey() {
+        // Send all information needed to service to upload key in other thread
+        Intent intent = new Intent(getActivity(), KeychainIntentService.class);
+
+        intent.setAction(KeychainIntentService.ACTION_UPLOAD_KEYRING);
+
+        // set data uri as path to keyring
+        // TODO
+//        Uri blobUri = KeychainContract.KeyRingData.buildPublicKeyRingUri(mDataUri);
+//        intent.setData(blobUri);
+
+        // fill values for this action
+        Bundle data = new Bundle();
+
+        Spinner keyServer = (Spinner) getActivity().findViewById(R.id.upload_key_keyserver);
+        String server = (String) keyServer.getSelectedItem();
+        data.putString(KeychainIntentService.UPLOAD_KEY_SERVER, server);
+
+        intent.putExtra(KeychainIntentService.EXTRA_DATA, data);
+
+        // Message is received after uploading is done in KeychainIntentService
+        KeychainIntentServiceHandler saveHandler = new KeychainIntentServiceHandler(getActivity(),
+                getString(R.string.progress_exporting), ProgressDialog.STYLE_HORIZONTAL) {
+            public void handleMessage(Message message) {
+                // handle messages by standard KeychainIntentServiceHandler first
+                super.handleMessage(message);
+
+                if (message.arg1 == KeychainIntentServiceHandler.MESSAGE_OKAY) {
+                    AppMsg.makeText(getActivity(), R.string.key_send_success,
+                            AppMsg.STYLE_INFO).show();
+
+                    getActivity().setResult(Activity.RESULT_OK);
+                    getActivity().finish();
+                }
+            }
+        };
+
+        // Create a new Messenger for the communication back
+        Messenger messenger = new Messenger(saveHandler);
+        intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger);
+
+        // show progress dialog
+        saveHandler.showProgressDialog(getActivity());
+
+        // start service with intent
+        getActivity().startService(intent);
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyInputFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyInputFragment.java
new file mode 100644
index 000000000..78e8af14e
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyInputFragment.java
@@ -0,0 +1,200 @@
+/*
+ * 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;
+
+import android.app.Activity;
+import android.app.ProgressDialog;
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.Message;
+import android.os.Messenger;
+import android.support.v4.app.Fragment;
+import android.text.Editable;
+import android.text.TextUtils;
+import android.text.TextWatcher;
+import android.util.Patterns;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.AutoCompleteTextView;
+import android.widget.EditText;
+import android.widget.Spinner;
+
+import com.devspark.appmsg.AppMsg;
+
+import org.spongycastle.bcpg.sig.KeyFlags;
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.helper.ContactHelper;
+import org.sufficientlysecure.keychain.service.KeychainIntentService;
+import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler;
+import org.sufficientlysecure.keychain.service.SaveKeyringParcel;
+
+import java.util.regex.Matcher;
+
+public class CreateKeyInputFragment extends Fragment {
+
+    CreateKeyActivity mCreateKeyActivity;
+
+    AutoCompleteTextView mNameEdit;
+    AutoCompleteTextView mEmailEdit;
+    EditText mPassphraseEdit;
+    View mCreateButton;
+
+    public static final String ARG_NAME = "name";
+    public static final String ARG_EMAIL = "email";
+
+    /**
+     * Creates new instance of this fragment
+     */
+    public static CreateKeyInputFragment newInstance(String name, String email) {
+        CreateKeyInputFragment frag = new CreateKeyInputFragment();
+
+        Bundle args = new Bundle();
+        args.putString(ARG_NAME, name);
+        args.putString(ARG_EMAIL, email);
+
+        frag.setArguments(args);
+
+        return frag;
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.create_key_input_fragment, container, false);
+
+        mNameEdit = (AutoCompleteTextView) view.findViewById(R.id.name);
+        mEmailEdit = (AutoCompleteTextView) view.findViewById(R.id.email);
+        mPassphraseEdit = (EditText) view.findViewById(R.id.passphrase);
+        // TODO: second passphrase field
+        mCreateButton = view.findViewById(R.id.create_key_button);
+
+        // initial values
+        String name = getArguments().getString(ARG_NAME);
+        String email = getArguments().getString(ARG_EMAIL);
+        mNameEdit.setText(name);
+        mEmailEdit.setText(email);
+
+        // focus non-empty edit fields
+        if (name != null && email != null) {
+            mPassphraseEdit.requestFocus();
+        } else if (name != null) {
+            mEmailEdit.requestFocus();
+        }
+
+        mEmailEdit.setThreshold(1); // Start working from first character
+        mEmailEdit.setAdapter(
+                new ArrayAdapter<String>
+                        (getActivity(), android.R.layout.simple_spinner_dropdown_item,
+                                ContactHelper.getPossibleUserEmails(getActivity())
+                        )
+        );
+        mEmailEdit.addTextChangedListener(new TextWatcher() {
+            @Override
+            public void beforeTextChanged(CharSequence charSequence, int i, int i2, int i3) {
+            }
+
+            @Override
+            public void onTextChanged(CharSequence charSequence, int i, int i2, int i3) {
+            }
+
+            @Override
+            public void afterTextChanged(Editable editable) {
+                String email = editable.toString();
+                if (email.length() > 0) {
+                    Matcher emailMatcher = Patterns.EMAIL_ADDRESS.matcher(email);
+                    if (emailMatcher.matches()) {
+                        mEmailEdit.setCompoundDrawablesWithIntrinsicBounds(0, 0,
+                                R.drawable.uid_mail_ok, 0);
+                    } else {
+                        mEmailEdit.setCompoundDrawablesWithIntrinsicBounds(0, 0,
+                                R.drawable.uid_mail_bad, 0);
+                    }
+                } else {
+                    // remove drawable if email is empty
+                    mEmailEdit.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
+                }
+            }
+        });
+
+        mNameEdit.setThreshold(1); // Start working from first character
+        mNameEdit.setAdapter(
+                new ArrayAdapter<String>
+                        (getActivity(), android.R.layout.simple_spinner_dropdown_item,
+                                ContactHelper.getPossibleUserNames(getActivity())
+                        )
+        );
+
+        mCreateButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                createKeyCheck();
+            }
+        });
+
+        return view;
+    }
+
+    @Override
+    public void onActivityCreated(Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+
+        mCreateKeyActivity = (CreateKeyActivity) getActivity();
+    }
+
+
+    private void createKeyCheck() {
+        if (isEditTextNotEmpty(getActivity(), mNameEdit)
+                && isEditTextNotEmpty(getActivity(), mEmailEdit)
+                && isEditTextNotEmpty(getActivity(), mPassphraseEdit)) {
+
+            CreateKeyFinalFragment frag =
+                    CreateKeyFinalFragment.newInstance(
+                            mNameEdit.getText().toString(),
+                            mEmailEdit.getText().toString(),
+                            mPassphraseEdit.getText().toString()
+                    );
+            mCreateKeyActivity.loadFragment(null, frag, CreateKeyActivity.ANIM_TO_RIGHT);
+        }
+    }
+
+    /**
+     * Checks if text of given EditText is not empty. If it is empty an error is
+     * set and the EditText gets the focus.
+     *
+     * @param context
+     * @param editText
+     * @return true if EditText is not empty
+     */
+    private static boolean isEditTextNotEmpty(Context context, EditText editText) {
+        boolean output = true;
+        if (editText.getText().toString().length() == 0) {
+            editText.setError(context.getString(R.string.create_key_empty));
+            editText.requestFocus();
+            output = false;
+        } else {
+            editText.setError(null);
+        }
+
+        return output;
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/QrCodeActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/QrCodeActivity.java
index f4d395ae6..44416a25a 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/QrCodeActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/QrCodeActivity.java
@@ -100,7 +100,7 @@ public class QrCodeActivity extends ActionBarActivity {
         super.onResume();
 
         // custom activity transition to get zoom in effect
-        this.overridePendingTransition(R.anim.zoom_enter, android.R.anim.fade_out);
+        this.overridePendingTransition(R.anim.qr_code_zoom_enter, android.R.anim.fade_out);
     }
 
     @Override
@@ -108,7 +108,7 @@ public class QrCodeActivity extends ActionBarActivity {
         super.onPause();
 
         // custom activity transition to get zoom out effect
-        this.overridePendingTransition(0, R.anim.zoom_exit);
+        this.overridePendingTransition(0, R.anim.qr_code_zoom_exit);
     }
 
 }
\ No newline at end of file