MainActivity.java

/*
 * Copyright (C) 2015 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.google.devplat.lmoroney.maps3_2;

import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;

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.MapFragment;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.model.CameraPosition;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;


public class MainActivity extends ActionBarActivity implements OnMapReadyCallback {

    GoogleMap m_map;
    boolean mapReady=false;

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

        Button btnMap = (Button) findViewById(R.id.btnMap);
        btnMap.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if(mapReady)
                    m_map.setMapType(GoogleMap.MAP_TYPE_NORMAL);
            }
        });

        Button btnSatellite = (Button) findViewById(R.id.btnSatellite);
        btnSatellite.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if(mapReady)
                    m_map.setMapType(GoogleMap.MAP_TYPE_SATELLITE);
            }
        });

        Button btnHybrid = (Button) findViewById(R.id.btnHybrid);
        btnHybrid.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if(mapReady)
                    m_map.setMapType(GoogleMap.MAP_TYPE_HYBRID);
            }
        });

        MapFragment mapFragment = (MapFragment) getFragmentManager().findFragmentById(R.id.map);
        mapFragment.getMapAsync(this);
    }

    @Override
    public void onMapReady(GoogleMap map){
        mapReady=true;
        m_map = map;
        LatLng newYork = new LatLng(40.7484,-73.9857);
        CameraPosition target = CameraPosition.builder().target(newYork).zoom(14).build();
        m_map.moveCamera(CameraUpdateFactory.newCameraPosition(target));

    }

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

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}