com.google.android.demos.jamendo.app.ArtistActivity.java Source code

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Here is the source code for com.google.android.demos.jamendo.app.ArtistActivity.java

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/*-
 * Copyright (C) 2009 Google Inc.
 *
 * 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 com.google.android.demos.jamendo.app;

import com.google.android.demos.jamendo.R;
import com.google.android.demos.jamendo.provider.JamendoContract;
import com.google.android.demos.jamendo.provider.JamendoContract.Albums;
import com.google.android.demos.jamendo.provider.JamendoContract.Artists;
import com.google.android.demos.jamendo.widget.ListSeparatorAdapter;
import com.google.android.demos.jamendo.widget.SimpleFeedAdapter;

import android.content.ContentUris;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.support.v4.widget.CursorAdapter;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListAdapter;

public class ArtistActivity extends JamendoActivity {

    private static final Uri BASE_URI = Uri.parse("http://www.jamendo.com/artist");

    @Override
    protected CursorAdapter createHeaderAdapter() {
        String[] from = { Artists.IMAGE, Artists.NAME };
        int[] to = { R.id.icon, R.id.text1 };
        SimpleFeedAdapter adapter = new SimpleFeedAdapter(this, R.layout.jamendo_header, from, to);
        adapter.setDefaultImageUrl(JamendoApp.DEFAULT_ARTIST_AVATAR);
        return adapter;
    }

    @Override
    protected ListAdapter createSeparatorAdapter() {
        return new ListSeparatorAdapter(R.string.list_title_albums);
    }

    /** {@inheritDoc} */
    public Loader<Cursor> onCreateLoader(int loaderId, Bundle args) {
        switch (loaderId) {
        case LOADER_HEADER: {
            Uri uri = getIntent().getData();
            String[] projection = { Artists._ID, Artists.IDSTR, Artists.IMAGE, Artists.NAME };
            String selection = String.format("%s=?", JamendoContract.PARAM_IMAGE_SIZE);
            String[] selectionArgs = { getDimensionPixelSizeAsString(R.dimen.image_size) };
            String sortOrder = null;
            return new CursorLoader(this, uri, projection, selection, selectionArgs, sortOrder);
        }
        case LOADER_LIST: {
            Uri uri = Albums.CONTENT_URI;
            String[] projection = { Albums._ID, Albums.IMAGE, Albums.NAME };
            Uri data = getIntent().getData();
            Long artistId = null;
            String artistIdStr = null;
            try {
                artistId = Long.valueOf(ContentUris.parseId(data));
            } catch (NumberFormatException e) {
                artistIdStr = data.getLastPathSegment();
            }
            String selection = String.format("%s=?&%s=?", artistId != null ? Artists.ID : Artists.IDSTR,
                    JamendoContract.PARAM_IMAGE_SIZE);
            String[] selectionArgs = { artistId != null ? artistId.toString() : artistIdStr,
                    getDimensionPixelSizeAsString(R.dimen.image_size) };
            String sortOrder = Albums.Order.RELEASEDATE.descending();
            return new CursorLoader(this, uri, projection, selection, selectionArgs, sortOrder);
        }
        default:
            return null;
        }
    }

    @Override
    protected SimpleFeedAdapter createListAdapter() {
        String[] from = { Albums.IMAGE, Albums.NAME };
        int[] to = { R.id.icon, R.id.text1 };
        return new SimpleFeedAdapter(this, R.layout.jamendo_list_item_1, from, to);
    }

    /** {@inheritDoc} */
    public void onItemClick(AdapterView<?> l, View v, int position, long id) {
        Uri uri = ContentUris.withAppendedId(Albums.CONTENT_URI, id);
        Intent intent = new Intent(Intent.ACTION_VIEW, uri);
        startActivity(intent);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.artist_options_menu, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case R.id.menu_share:
            share();
            return true;
        default:
            return super.onOptionsItemSelected(item);
        }
    }

    private void share() {
        Cursor cursor = mHeaderAdapter.getCursor();
        if (cursor != null && cursor.moveToFirst()) {
            String idstr = cursor.getString(cursor.getColumnIndexOrThrow(Artists.IDSTR));
            String artistName = cursor.getString(cursor.getColumnIndexOrThrow(Artists.NAME));
            Uri uri = BASE_URI.buildUpon().appendPath(idstr).build();
            Intent intent = new Intent(Intent.ACTION_SEND);
            intent.setType("text/plain");
            intent.putExtra(Intent.EXTRA_SUBJECT, artistName);
            intent.putExtra(Intent.EXTRA_TEXT, String.valueOf(uri));
            intent = Intent.createChooser(intent, null);
            startActivity(intent);
        }
    }
}