LayersDemo.java

package baidumapsdk.demo;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.CheckBox;
import android.widget.RadioButton;

import com.baidu.mapapi.map.BaiduMap;
import com.baidu.mapapi.map.MapView;

/**
 * 演示地图图层显示的控制方法
 */
public class LayersDemo extends Activity {

	/**
	 * MapView 是地图主控件
	 */
	private MapView mMapView;
	private BaiduMap mBaiduMap;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_layers);
		mMapView = (MapView) findViewById(R.id.bmapView);
		mBaiduMap = mMapView.getMap();
	}

	/**
	 * 设置底图显示模式
	 * 
	 * @param view
	 */
	public void setMapMode(View view) {
		boolean checked = ((RadioButton) view).isChecked();
		switch (view.getId()) {
		case R.id.normal:
			if (checked)
				mBaiduMap.setMapType(BaiduMap.MAP_TYPE_NORMAL);
			break;
		case R.id.statellite:
			if (checked)
				mBaiduMap.setMapType(BaiduMap.MAP_TYPE_SATELLITE);
			break;
		}
	}

	/**
	 * 设置是否显示交通图
	 * 
	 * @param view
	 */
	public void setTraffic(View view) {
		mBaiduMap.setTrafficEnabled(((CheckBox) view).isChecked());
	}

	@Override
	protected void onPause() {
		// MapView的生命周期与Activity同步，当activity挂起时需调用MapView.onPause()
		mMapView.onPause();
		super.onPause();
	}

	@Override
	protected void onResume() {
		// MapView的生命周期与Activity同步，当activity恢复时需调用MapView.onResume()
		mMapView.onResume();
		super.onResume();
	}

	@Override
	protected void onDestroy() {
		// MapView的生命周期与Activity同步，当activity销毁时需调用MapView.destroy()
		mMapView.onDestroy();
		super.onDestroy();
	}

}