<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>

<uses-permission android:name="android.permission.INTERNET"/>

<uses-permission android:name="com.android.launcher.permission.READ_SETTINGS" />

<uses-permission android:name="android.permission.WAKE_LOCK"/>

<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />

<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />

<uses-permission android:name="android.permission.GET_TASKS" />

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

<uses-permission android:name="android.permission.WRITE_SETTINGS" />

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical"

    tools:context="com.example.baidumap.MainActivity" >

    <com.baidu.mapapi.map.MapView

        android:id="@+id/bmapView"

        android:layout_width="match_parent"

        android:layout_height="match_parent"

        android:clickable="true" />

</LinearLayout>

public class MainActivity extends Activity {

    private MapView mMapView = null;

    private BaiduMap mBaiduMap;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        //在使用SDK各组件之前初始化context信息，传入ApplicationContext

        //注意该方法要再setContentView方法之前实现

        SDKInitializer.initialize(getApplicationContext());

        setContentView(R.layout.activity_main);

        //初始化控件

        initView();

    }

    private void initView() {

        //获取地图控件引用

        mMapView = (MapView) findViewById(R.id.bmapView);

        //获取百度地图

        mBaiduMap = mMapView.getMap();

        //普通地图

        mBaiduMap.setMapType(BaiduMap.MAP_TYPE_NORMAL);

        //开启交通图

        mBaiduMap.setTrafficEnabled(true);    

        //卫星地图

        //mBaiduMap.setMapType(BaiduMap.MAP_TYPE_SATELLITE); 

    }

    @Override

    protected void onDestroy() {

        super.onDestroy();

        //在activity执行onDestroy时执行mMapView.onDestroy()，实现地图生命周期管理

        mMapView.onDestroy();

    }

    @Override

    protected void onResume() {

        super.onResume();

        //在activity执行onResume时执行mMapView. onResume ()，实现地图生命周期管理

        mMapView.onResume();

        }

    @Override

    protected void onPause() {

        super.onPause();

        //在activity执行onPause时执行mMapView. onPause ()，实现地图生命周期管理

        mMapView.onPause();

    }

}