Address book list

AndroidManifest.xml

@@ -29,6 +29,9 @@
         <activity
             android:name="i2p.bote.android.NewEmailActivity"
             android:parentActivityName="i2p.bote.android.EmailListActivity" />
+        <activity
+            android:name="i2p.bote.android.addressbook.AddressBookActivity"
+            android:parentActivityName="i2p.bote.android.EmailListActivity" />
         <activity
             android:name="i2p.bote.android.config.SettingsActivity"
             android:parentActivityName="i2p.bote.android.EmailListActivity" />

res/layout/listitem_contact.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:padding="5dp" >
+
+    <ImageView
+        android:id="@+id/contact_picture"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:src="@drawable/ic_launcher" />
+
+    <TextView
+        android:id="@+id/contact_name"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignTop="@+id/contact_picture"
+        android:layout_marginTop="13dp"
+        android:layout_marginLeft="15dp"
+        android:layout_toRightOf="@+id/contact_picture"
+        android:text="Contact name"
+        android:textAppearance="?android:attr/textAppearanceMedium" />
+
+</RelativeLayout>

res/menu/address_book_list.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:i2pandroid="http://schemas.android.com/apk/res-auto" >
+
+    <item
+        android:id="@+id/action_new_contact"
+        android:icon="@drawable/ic_social_add_person.png"
+        android:title="@string/action_new_contact"
+        i2pandroid:showAsAction="ifRoom"/>
+
+</menu>

res/menu/main.xml

@@ -1,6 +1,12 @@
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:i2pandroid="http://schemas.android.com/apk/res-auto" >
 
+    <item
+        android:id="@+id/action_address_book"
+        android:orderInCategory="50"
+        android:title="@string/action_address_book"
+        i2pandroid:showAsAction="never"/>
+
     <item
         android:id="@+id/action_settings"
         android:orderInCategory="100"

res/values/strings.xml

@@ -4,6 +4,7 @@
     <string name="app_name">I2P-Bote</string>
     <string name="action_new_email">New email</string>
     <string name="action_send_email">Send email</string>
+    <string name="action_address_book">Address book</string>
     <string name="action_settings">Settings</string>
 
     <string name="items_selected">%s selected</string>
@@ -39,6 +40,9 @@
     <string name="compose_email">Compose email</string>
     <string name="email_queued_for_sending">Email queued for sending</string>
 
+    <string name="address_book_empty">Address book is empty</string>
+    <string name="action_new_contact">New contact</string>
+
     <string name="pref_title_general">General</string>
     <string name="pref_summ_general">General settings and default identity settings</string>
     <string name="pref_title_autoMail">Auto-check mail</string>

src/i2p/bote/android/EmailListActivity.java

@@ -2,6 +2,7 @@ package i2p.bote.android;
 
 import net.i2p.client.I2PClient;
 import i2p.bote.I2PBote;
+import i2p.bote.android.addressbook.AddressBookActivity;
 import i2p.bote.android.config.SettingsActivity;
 import i2p.bote.android.util.MoveToDialogFragment;
 import i2p.bote.folder.EmailFolder;
@@ -163,6 +164,11 @@ public class EmailListActivity extends ActionBarActivity implements
         }
 
         switch (item.getItemId()) {
+        case R.id.action_address_book:
+            Intent ai = new Intent(this, AddressBookActivity.class);
+            startActivity(ai);
+            return true;
+
         case R.id.action_settings:
             Intent si = new Intent(this, SettingsActivity.class);
             startActivity(si);

src/i2p/bote/android/addressbook/AddressBookActivity.java

@@ -0,0 +1,27 @@
+package i2p.bote.android.addressbook;
+
+import i2p.bote.packet.dht.Contact;
+import android.os.Bundle;
+import android.support.v7.app.ActionBarActivity;
+
+public class AddressBookActivity extends ActionBarActivity implements
+        AddressBookFragment.OnContactSelectedListener {
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        // Enable ActionBar app icon to behave as action to go back
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+
+        if (savedInstanceState == null) {
+            AddressBookFragment f = new AddressBookFragment();
+            getSupportFragmentManager().beginTransaction()
+                .add(android.R.id.content, f).commit();
+        }
+    }
+
+    @Override
+    public void onContactSelected(Contact contact) {
+        // TODO
+    }
+}

src/i2p/bote/android/addressbook/AddressBookFragment.java

@@ -0,0 +1,139 @@
+package i2p.bote.android.addressbook;
+
+import i2p.bote.I2PBote;
+import i2p.bote.android.R;
+import i2p.bote.android.util.BetterAsyncTaskLoader;
+import i2p.bote.fileencryption.PasswordException;
+import i2p.bote.packet.dht.Contact;
+
+import java.util.SortedSet;
+
+import android.app.Activity;
+import android.content.Context;
+import android.os.Bundle;
+import android.support.v4.app.ListFragment;
+import android.support.v4.app.LoaderManager;
+import android.support.v4.content.Loader;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.ListView;
+
+public class AddressBookFragment extends ListFragment implements
+        LoaderManager.LoaderCallbacks<SortedSet<Contact>> {
+    OnContactSelectedListener mCallback;
+    private ContactAdapter mAdapter;
+
+    // Container Activity must implement this interface
+    public interface OnContactSelectedListener {
+        public void onContactSelected(Contact contact);
+    }
+
+    @Override
+    public void onAttach(Activity activity) {
+        super.onAttach(activity);
+
+        // This makes sure that the container activity has implemented
+        // the callback interface. If not, it throws an exception
+        try {
+            mCallback = (OnContactSelectedListener) activity;
+        } catch (ClassCastException e) {
+            throw new ClassCastException(activity.toString()
+                    + " must implement OnContactSelectedListener");
+        }
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setHasOptionsMenu(true);
+    }
+
+    @Override
+    public void onActivityCreated(Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        mAdapter = new ContactAdapter(getActivity());
+
+        setListAdapter(mAdapter);
+
+        setListShown(false);
+        setEmptyText(getResources().getString(
+                R.string.address_book_empty));
+        getLoaderManager().initLoader(0, null, this);
+    }
+
+    @Override
+    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+        inflater.inflate(R.menu.address_book_list, menu);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+        case R.id.action_new_contact:
+            // TODO
+            return true;
+        default:
+            return super.onOptionsItemSelected(item);
+        }
+    }
+
+    @Override
+    public void onListItemClick(ListView parent, View view, int pos, long id) {
+        mCallback.onContactSelected(mAdapter.getItem(pos));
+    }
+
+    // LoaderManager.LoaderCallbacks<SortedSet<Contact>>
+
+    public Loader<SortedSet<Contact>> onCreateLoader(int id, Bundle args) {
+        return new AddressBookLoader(getActivity());
+    }
+
+    private static class AddressBookLoader extends BetterAsyncTaskLoader<SortedSet<Contact>> {
+        public AddressBookLoader(Context context) {
+            super(context);
+        }
+
+        @Override
+        public SortedSet<Contact> loadInBackground() {
+            SortedSet<Contact> contacts = null;
+            try {
+                contacts = I2PBote.getInstance().getAddressBook().getAll();
+            } catch (PasswordException e) {
+                // TODO handle, but should not get here
+                e.printStackTrace();
+            }
+            return contacts;
+        }
+
+        @Override
+        protected void onStartMonitoring() {
+        }
+
+        @Override
+        protected void onStopMonitoring() {
+        }
+
+        @Override
+        protected void releaseResources(SortedSet<Contact> data) {
+        }
+    }
+
+    @Override
+    public void onLoadFinished(Loader<SortedSet<Contact>> loader,
+            SortedSet<Contact> data) {
+        mAdapter.setData(data);
+
+        if (isResumed()) {
+            setListShown(true);
+        } else {
+            setListShownNoAnimation(true);
+        }
+    }
+
+    @Override
+    public void onLoaderReset(Loader<SortedSet<Contact>> loader) {
+        mAdapter.setData(null);
+    }
+}

src/i2p/bote/android/addressbook/ContactAdapter.java

@@ -0,0 +1,50 @@
+package i2p.bote.android.addressbook;
+
+import i2p.bote.android.R;
+import i2p.bote.android.util.BoteHelper;
+import i2p.bote.packet.dht.Contact;
+
+import java.util.SortedSet;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+public class ContactAdapter extends ArrayAdapter<Contact> {
+    private final LayoutInflater mInflater;
+
+    public ContactAdapter(Context context) {
+        super(context, android.R.layout.simple_list_item_2);
+        mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+    }
+
+    public void setData(SortedSet<Contact> contacts) {
+        clear();
+        if (contacts != null) {
+            for (Contact contact : contacts) {
+                add(contact);
+            }
+        }
+    }
+
+    @Override
+    public View getView(int position, View convertView, ViewGroup parent) {
+        View v = mInflater.inflate(R.layout.listitem_contact, parent, false);
+        Contact contact = getItem(position);
+
+        ImageView picture = (ImageView) v.findViewById(R.id.contact_picture);
+        TextView name = (TextView) v.findViewById(R.id.contact_name);
+
+        String pic = contact.getPictureBase64();
+        if (pic != null)
+            picture.setImageBitmap(BoteHelper.decodePicture(pic));
+
+        name.setText(contact.getName());
+
+        return v;
+    }
+}

src/i2p/bote/android/util/BoteHelper.java

@@ -91,8 +91,7 @@ public class BoteHelper extends GeneralHelper {
                 // Address is in address book
                 String pic = c.getPictureBase64();
                 if (pic != null) {
-                    byte[] decodedPic = Base64.decode(pic, Base64.DEFAULT);
-                    return BitmapFactory.decodeByteArray(decodedPic, 0, decodedPic.length);
+                    return decodePicture(pic);
                 }
             } else {
                 // Address is an identity
@@ -100,8 +99,7 @@ public class BoteHelper extends GeneralHelper {
                 if (i != null) {
                     String pic = i.getPictureBase64();
                     if (pic != null) {
-                        byte[] decodedPic = Base64.decode(pic, Base64.DEFAULT);
-                        return BitmapFactory.decodeByteArray(decodedPic, 0, decodedPic.length);
+                        return decodePicture(pic);
                     }
                 }
             }
@@ -110,4 +108,9 @@ public class BoteHelper extends GeneralHelper {
         // Address not found anywhere, or found and has no picture
         return null;
     }
+
+    public static Bitmap decodePicture(String picB64) {
+        byte[] decodedPic = Base64.decode(picB64, Base64.DEFAULT);
+        return BitmapFactory.decodeByteArray(decodedPic, 0, decodedPic.length);
+    }
 }