Android 调用百度地图API

<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();  
    }

}