content: package com.amapv2.apis.basic;
  
  import android.os.Bundle;
  import android.support.v4.app.FragmentActivity;
  import android.support.v4.app.FragmentTransaction;
  
  import com.amap.api.maps.AMap;
  import com.amap.api.maps.AMapOptions;
  import com.amap.api.maps.SupportMapFragment;
  import com.amap.api.maps.model.CameraPosition;
  import com.amapv2.apis.util.Constants;
  
  /**
   * 通过Java代码添加一个SupportMapFragment对象
   */
  public class MapOptionActivity extends FragmentActivity {
  
  	private static final String MAP_FRAGMENT_TAG = "map";
  	static final CameraPosition LUJIAZUI = new CameraPosition.Builder()
  			.target(Constants.SHANGHAI).zoom(18).bearing(0).tilt(30).build();
  	private AMap aMap;
  	private SupportMapFragment aMapFragment;
  
  	@Override
  	protected void onCreate(Bundle savedInstanceState) {
  		super.onCreate(savedInstanceState);
          /*
           * 设置离线地图存储目录，在下载离线地图或初始化地图设置;
           * 使用过程中可自行设置, 若自行设置了离线地图存储的路径，
           * 则需要在离线地图下载和使用地图页面都进行路径设置
           * */
  	    //Demo中为了其他界面可以使用下载的离线地图，使用默认位置存储，屏蔽了自定义设置
  //        MapsInitializer.sdcardDir =OffLineMapUtils.getSdCacheDir(this);
  		init();
  	}
  
  	/**
  	 * 初始化AMap对象
  	 */
  	private void init() {
  		AMapOptions aOptions = new AMapOptions();
  		aOptions.zoomGesturesEnabled(false);// 禁止通过手势缩放地图
  		aOptions.scrollGesturesEnabled(false);// 禁止通过手势移动地图
  		aOptions.tiltGesturesEnabled(false);// 禁止通过手势倾斜地图
  		aOptions.camera(LUJIAZUI);
  		if (aMapFragment == null) {
  			aMapFragment = SupportMapFragment.newInstance(aOptions);
  			FragmentTransaction fragmentTransaction = getSupportFragmentManager()
  					.beginTransaction();
  			fragmentTransaction.add(android.R.id.content, aMapFragment,
  					MAP_FRAGMENT_TAG);
  			fragmentTransaction.commit();
  		}
  
  	}
  
  	@Override
  	protected void onResume() {
  		super.onResume();
  		initMap();
  	}
  
  	/**
  	 * 初始化AMap对象
  	 */
  	private void initMap() {
  		if (aMap == null) {
  			aMap = aMapFragment.getMap();// amap对象初始化成功
  		}
  	}
  }
  