Implemented an Addressbook picker for Destination in tunnel wizard

res/layout/fragment_wizard_page_single_text_field_picker.xml

+<!--
+  Copyright 2013 str4d
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+  
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+  -->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    style="@style/WizardPageContainer">
+
+    <TextView style="@style/WizardPageTitle" />
+
+    <ScrollView android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1"
+        android:paddingLeft="16dp"
+        android:paddingRight="16dp"
+        android:scrollbarStyle="outsideOverlay">
+
+        <RelativeLayout android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+            <EditText
+                android:id="@+id/wizard_text_field"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_alignParentLeft="true"
+                android:layout_marginBottom="16dp"
+                android:layout_toLeftOf="@+id/wizard_text_field_pick"
+                android:inputType="text"
+                android:saveEnabled="false" />
+
+            <Button android:id="@+id/wizard_text_field_pick"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_alignParentRight="true"
+                android:text="@string/label_browse" />
+
+            <TextView android:id="@+id/wizard_text_field_feedback"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_below="@+id/wizard_text_field" />
+
+            <TextView style="@style/WizardFormLabel"
+                android:id="@+id/wizard_text_field_desc"
+                android:layout_below="@+id/wizard_text_field_feedback" />
+
+        </RelativeLayout>
+    </ScrollView>
+</LinearLayout>

res/values/strings.xml

@@ -26,6 +26,7 @@
     <string name="label_nonanon_info">Non Anonymous Information</string>
     <string name="label_website_nonanon">Web Site (non-anon)</string>
     <string name="label_faq_nonanon">FAQ (non-anon)</string>
+    <string name="label_browse">Browse</string>
 
     <string name="drawer_open">Open nav</string>
     <string name="drawer_close">Close nav</string>

src/net/i2p/android/router/activity/AddressbookActivity.java

@@ -3,8 +3,11 @@ package net.i2p.android.router.activity;
 import net.i2p.android.router.R;
 import net.i2p.android.router.fragment.AddressbookFragment;
 import net.i2p.android.router.fragment.WebFragment;
+import android.app.Activity;
 import android.app.SearchManager;
 import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
 import android.os.Bundle;
 import android.support.v4.app.Fragment;
 import android.support.v4.view.MenuItemCompat;
@@ -61,15 +64,21 @@ public class AddressbookActivity extends I2PActivityBase
     // AddressbookFragment.OnAddressSelectedListener
 
     public void onAddressSelected(CharSequence host) {
-        WebFragment f = new WebFragment();
-        Bundle args = new Bundle();
-        args.putString(WebFragment.HTML_URI, "http://" + host + '/');
-        f.setArguments(args);
-        getSupportFragmentManager().beginTransaction()
-            .replace(R.id.main_fragment, f)
-            .addToBackStack(null)
-            .commit();
-        
+        if (getIntent().getAction() == Intent.ACTION_PICK) {
+            Intent result = new Intent();
+            result.setData(Uri.parse("http://" + host));
+            setResult(Activity.RESULT_OK, result);
+            finish();
+        } else {
+            WebFragment f = new WebFragment();
+            Bundle args = new Bundle();
+            args.putString(WebFragment.HTML_URI, "http://" + host + '/');
+            f.setArguments(args);
+            getSupportFragmentManager().beginTransaction()
+                .replace(R.id.main_fragment, f)
+                .addToBackStack(null)
+                .commit();
+        }
     }
 
     // SearchView.OnQueryTextListener

src/net/i2p/android/wizard/model/I2PDestinationPage.java

@@ -2,6 +2,9 @@ package net.i2p.android.wizard.model;
 
 import java.util.Locale;
 
+import android.support.v4.app.Fragment;
+
+import net.i2p.android.wizard.ui.I2PDestinationFragment;
 import net.i2p.data.DataFormatException;
 import net.i2p.data.Destination;
 
@@ -17,6 +20,11 @@ public class I2PDestinationPage extends SingleTextFieldPage {
         super(callbacks, title);
     }
 
+    @Override
+    public Fragment createFragment() {
+        return I2PDestinationFragment.create(getKey());
+    }
+
     @Override
     public boolean isValid() {
         String data = mData.getString(SIMPLE_DATA_KEY);

src/net/i2p/android/wizard/ui/I2PDestinationFragment.java

+/*
+ * Copyright 2013 str4d
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.i2p.android.wizard.ui;
+
+import net.i2p.android.router.R;
+import net.i2p.android.router.activity.AddressbookActivity;
+import net.i2p.android.wizard.model.Page;
+import net.i2p.android.wizard.model.SingleTextFieldPage;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.inputmethod.InputMethodManager;
+import android.widget.Button;
+import android.widget.TextView;
+
+public class I2PDestinationFragment extends Fragment {
+    static final int REQUEST_ADDRESSBOOK_DOMAIN = 1;
+
+    private static final String ARG_KEY = "key";
+
+    private PageFragmentCallbacks mCallbacks;
+    private String mKey;
+    private SingleTextFieldPage mPage;
+    protected TextView mFieldView;
+    private TextView mFeedbackView;
+
+    public static I2PDestinationFragment create(String key) {
+        Bundle args = new Bundle();
+        args.putString(ARG_KEY, key);
+
+        I2PDestinationFragment fragment = new I2PDestinationFragment();
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    public I2PDestinationFragment() {
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        Bundle args = getArguments();
+        mKey = args.getString(ARG_KEY);
+        mPage = (SingleTextFieldPage) mCallbacks.onGetPage(mKey);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+            Bundle savedInstanceState) {
+        View rootView = inflater.inflate(R.layout.fragment_wizard_page_single_text_field_picker, container, false);
+        ((TextView) rootView.findViewById(android.R.id.title)).setText(mPage.getTitle());
+        ((TextView) rootView.findViewById(R.id.wizard_text_field_desc)).setText(mPage.getDesc());
+
+        Button b = (Button) rootView.findViewById(R.id.wizard_text_field_pick);
+        b.setOnClickListener(new View.OnClickListener() {
+
+            public void onClick(View view) {
+                Intent ai = new Intent(getActivity(), AddressbookActivity.class);
+                ai.setAction(Intent.ACTION_PICK);
+                ai.setData(Uri.parse("content://net.i2p.addressbook/domains"));
+                startActivityForResult(ai, REQUEST_ADDRESSBOOK_DOMAIN);
+            }
+        });
+
+        mFieldView = ((TextView) rootView.findViewById(R.id.wizard_text_field));
+        mFieldView.setHint(mPage.getTitle());
+        if (mPage.getData().getString(Page.SIMPLE_DATA_KEY) != null)
+            mFieldView.setText(mPage.getData().getString(Page.SIMPLE_DATA_KEY));
+        else if (mPage.getDefault() != null) {
+            mFieldView.setText(mPage.getDefault());
+            mPage.getData().putString(Page.SIMPLE_DATA_KEY, mPage.getDefault());
+        }
+
+        mFeedbackView = (TextView) rootView.findViewById(R.id.wizard_text_field_feedback);
+
+        return rootView;
+    }
+
+    @Override
+    public void onAttach(Activity activity) {
+        super.onAttach(activity);
+
+        if (!(activity instanceof PageFragmentCallbacks)) {
+            throw new ClassCastException("Activity must implement PageFragmentCallbacks");
+        }
+
+        mCallbacks = (PageFragmentCallbacks) activity;
+    }
+
+    @Override
+    public void onDetach() {
+        super.onDetach();
+        mCallbacks = null;
+    }
+
+    @Override
+    public void onViewCreated(View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+
+        mFieldView.addTextChangedListener(new TextWatcher() {
+            public void beforeTextChanged(CharSequence charSequence, int i, int i1,
+                    int i2) {
+            }
+
+            public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
+            }
+
+            public void afterTextChanged(Editable editable) {
+                mPage.getData().putString(Page.SIMPLE_DATA_KEY,
+                        (editable != null) ? editable.toString() : null);
+                mPage.notifyDataChanged();
+                if (mPage.showFeedback()) {
+                    mFeedbackView.setText(mPage.getFeedback());
+                }
+            }
+        });
+    }
+
+    @Override
+    public void setMenuVisibility(boolean menuVisible) {
+        super.setMenuVisibility(menuVisible);
+
+        // In a future update to the support library, this should override setUserVisibleHint
+        // instead of setMenuVisibility.
+        if (mFieldView != null) {
+            InputMethodManager imm = (InputMethodManager) getActivity().getSystemService(
+                    Context.INPUT_METHOD_SERVICE);
+            if (!menuVisible) {
+                imm.hideSoftInputFromWindow(getView().getWindowToken(), 0);
+            }
+        }
+    }
+
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+        if (requestCode == REQUEST_ADDRESSBOOK_DOMAIN) {
+            if (resultCode == Activity.RESULT_OK) {
+                Uri result = data.getData();
+                mFieldView.setText(result.getHost());
+            }
+        }
+    }
+}