message.java

package io.starterkit.droid.activities;

import android.app.Activity;
import android.app.LoaderManager;
import android.content.CursorLoader;
import android.content.Loader;
import android.database.Cursor;
import android.os.Bundle;
import android.widget.CursorAdapter;
import android.widget.ListView;

import butterknife.ButterKnife;
import butterknife.InjectView;
import io.starterkit.droid.R;
import io.starterkit.droid.adapters.MessageAdapter;
import io.starterkit.droid.data.database.table.MessageTable;
import io.starterkit.droid.data.database.table.UserTable;
import io.starterkit.droid.data.provider.StarterProvider;
import io.starterkit.droid.utils.FlatUI;

public class MessagesActivity extends Activity implements LoaderManager.LoaderCallbacks<Cursor> {

    @InjectView(R.id.messages_messages_list) ListView mMessagesList;
    CursorAdapter mAdapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_messages);

        ButterKnife.inject(this);

        FlatUI.setActionBarTheme(this, FlatUI.DEEP, false, true);

        mAdapter = new MessageAdapter(this, null, 0);
        mMessagesList.setAdapter(mAdapter);
        getLoaderManager().initLoader(0, null, this);

    }

    @Override
    public Loader<Cursor> onCreateLoader(int i, Bundle bundle) {
        return new CursorLoader(
                this,
                StarterProvider.USER_JOIN_MESSAGE_CONTENT_URI,
                new String[]{ UserTable.USERNAME, UserTable.AVATAR_URL, MessageTable.BODY, MessageTable.LIKES },
                null,
                null,
                null
        );
    }

    @Override
    public void onLoadFinished(Loader<Cursor> cursorLoader, Cursor cursor) {
        cursor.moveToFirst();
        mAdapter.swapCursor(cursor);
    }

    @Override
    public void onLoaderReset(Loader<Cursor> loader) {
        mAdapter.swapCursor(null);
    }
}