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MainActivity.java
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MainActivity.java
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/***
Copyright (c) 2012 CommonsWare, LLC
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.
From _The Busy Coder's Guide to Android Development_
http://commonsware.com/Android
*/
package com.commonsware.android.mapsv2.nooyawk;
import android.os.Build;
import android.os.Bundle;
import android.widget.ArrayAdapter;
import java.util.ArrayList;
import com.actionbarsherlock.app.ActionBar;
import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
import com.google.android.gms.maps.CameraUpdate;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.LatLng;
public class MainActivity extends AbstractMapActivity implements
OnNavigationListener {
private static final String STATE_NAV="nav";
private static final int[] MAP_TYPE_NAMES= { R.string.normal,
R.string.hybrid, R.string.satellite, R.string.terrain };
private static final int[] MAP_TYPES= { GoogleMap.MAP_TYPE_NORMAL,
GoogleMap.MAP_TYPE_HYBRID, GoogleMap.MAP_TYPE_SATELLITE,
GoogleMap.MAP_TYPE_TERRAIN };
private GoogleMap map=null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (readyToGo()) {
setContentView(R.layout.activity_main);
SupportMapFragment mapFrag=
(SupportMapFragment)getSupportFragmentManager().findFragmentById(R.id.map);
initListNav();
map=mapFrag.getMap();
if (savedInstanceState == null) {
CameraUpdate center=
CameraUpdateFactory.newLatLng(new LatLng(40.76793169992044,
-73.98180484771729));
CameraUpdate zoom=CameraUpdateFactory.zoomTo(15);
map.moveCamera(center);
map.animateCamera(zoom);
}
}
}
@Override
public boolean onNavigationItemSelected(int itemPosition, long itemId) {
map.setMapType(MAP_TYPES[itemPosition]);
return(true);
}
@Override
public void onSaveInstanceState(Bundle savedInstanceState) {
super.onSaveInstanceState(savedInstanceState);
savedInstanceState.putInt(STATE_NAV,
getSupportActionBar().getSelectedNavigationIndex());
}
@Override
public void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
getSupportActionBar().setSelectedNavigationItem(savedInstanceState.getInt(STATE_NAV));
}
private void initListNav() {
ArrayList<String> items=new ArrayList<String>();
ArrayAdapter<String> nav=null;
ActionBar bar=getSupportActionBar();
for (int type : MAP_TYPE_NAMES) {
items.add(getString(type));
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
nav=
new ArrayAdapter<String>(
bar.getThemedContext(),
android.R.layout.simple_spinner_item,
items);
}
else {
nav=
new ArrayAdapter<String>(
this,
android.R.layout.simple_spinner_item,
items);
}
nav.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
bar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
bar.setListNavigationCallbacks(nav, this);
}
}