MainActivity.java

/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * 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.example.mapdemo;

import android.app.ListActivity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ListAdapter;
import android.widget.ListView;

import com.example.mapdemo.view.FeatureView;
import com.pinecone.technology.mcommerce.learning.android.chapter12.ShowLocationActivity;

/**
 * The main activity of the API library demo gallery.
 * <p>
 * The main layout lists the demonstrated features, with buttons to launch them.
 */
public final class MainActivity extends ListActivity {

	/**
	 * A simple POJO that holds the details about the demo that are used by the
	 * List Adapter.
	 */
	private static class DemoDetails {
		/**
		 * The resource id of the title of the demo.
		 */
		private final int titleId;

		/**
		 * The resources id of the description of the demo.
		 */
		private final int descriptionId;

		/**
		 * The demo activity's class.
		 */
		private final Class<? extends FragmentActivity> activityClass;

		public DemoDetails(int titleId, int descriptionId,
				Class<? extends FragmentActivity> activityClass) {
			super();
			this.titleId = titleId;
			this.descriptionId = descriptionId;
			this.activityClass = activityClass;
		}
	}

	/**
	 * A custom array adapter that shows a {@link FeatureView} containing
	 * details about the demo.
	 */
	private static class CustomArrayAdapter extends ArrayAdapter<DemoDetails> {

		/**
		 * @param demos
		 *            An array containing the details of the demos to be
		 *            displayed.
		 */
		public CustomArrayAdapter(Context context, DemoDetails[] demos) {
			super(context, R.layout.feature, R.id.title, demos);
		}

		@Override
		public View getView(int position, View convertView, ViewGroup parent) {
			FeatureView featureView;
			if (convertView instanceof FeatureView) {
				featureView = (FeatureView) convertView;
			} else {
				featureView = new FeatureView(getContext());
			}

			DemoDetails demo = getItem(position);

			featureView.setTitleId(demo.titleId);
			featureView.setDescriptionId(demo.descriptionId);

			return featureView;
		}
	}

	private static final DemoDetails[] demos = {
			new DemoDetails(R.string.map01, R.string.map01_description,
					ShowLocationActivity.class),
			new DemoDetails(R.string.basic_map, R.string.basic_description,
					BasicMapActivity.class),
			new DemoDetails(R.string.camera_demo, R.string.camera_description,
					CameraDemoActivity.class),
			new DemoDetails(R.string.events_demo, R.string.events_description,
					EventsDemoActivity.class),
			new DemoDetails(R.string.layers_demo, R.string.layers_description,
					LayersDemoActivity.class),
			new DemoDetails(R.string.locationsource_demo,
					R.string.locationsource_description,
					LocationSourceDemoActivity.class),
			new DemoDetails(R.string.my_location_demo,
					R.string.my_location_description,
					MyLocationDemoActivity.class),
			new DemoDetails(R.string.uisettings_demo,
					R.string.uisettings_description,
					UiSettingsDemoActivity.class),
			new DemoDetails(R.string.groundoverlay_demo,
					R.string.groundoverlay_description,
					GroundOverlayDemoActivity.class),
			new DemoDetails(R.string.marker_demo, R.string.marker_description,
					MarkerDemoActivity.class),
			new DemoDetails(R.string.polygon_demo,
					R.string.polygon_description, PolygonDemoActivity.class),
			new DemoDetails(R.string.polyline_demo,
					R.string.polyline_description, PolylineDemoActivity.class),
			new DemoDetails(R.string.circle_demo, R.string.circle_description,
					CircleDemoActivity.class),
			new DemoDetails(R.string.tile_overlay_demo,
					R.string.tile_overlay_description,
					TileOverlayDemoActivity.class),
			new DemoDetails(R.string.options_demo,
					R.string.options_description, OptionsDemoActivity.class),
			new DemoDetails(R.string.multi_map_demo,
					R.string.multi_map_description, MultiMapDemoActivity.class),
			new DemoDetails(R.string.retain_map,
					R.string.retain_map_description, RetainMapActivity.class),
			new DemoDetails(R.string.raw_mapview_demo,
					R.string.raw_mapview_description,
					RawMapViewDemoActivity.class),
			new DemoDetails(R.string.programmatic_demo,
					R.string.programmatic_description,
					ProgrammaticDemoActivity.class),
			new DemoDetails(R.string.save_state_demo,
					R.string.save_state_description,
					SaveStateDemoActivity.class),
			new DemoDetails(R.string.snapshot_demo,
					R.string.snapshot_description, SnapshotDemoActivity.class) };

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

		ListAdapter adapter = new CustomArrayAdapter(this, demos);

		setListAdapter(adapter);
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.activity_main, menu);
		return true;
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		// Handle item selection
		if (item.getItemId() == R.id.menu_legal) {
			startActivity(new Intent(this, LegalInfoActivity.class));
			return true;
		}
		return super.onOptionsItemSelected(item);
	}

	@Override
	protected void onListItemClick(ListView l, View v, int position, long id) {
		DemoDetails demo = (DemoDetails) getListAdapter().getItem(position);
		startActivity(new Intent(this, demo.activityClass));
	}
}