百度地图3.1.0(一)Hello BaiduMap

1：在工程里新建libs文件夹，将开发包里的baidumapapi_vX_X_X.jar拷贝到libs根目录下，将libBaiduMapSDK_vX_X_X.so拷贝到libs\armeabi目录下

如图所示：

 

2：在AndroidManifest中添加开发密钥、所需权限等信息

<application  
    <meta-data  
        android:name="com.baidu.lbsapi.API_KEY"  
        android:value="开发者 key" />  
</application>

<uses-permission android:name="android.permission.GET_ACCOUNTS" />  
<uses-permission android:name="android.permission.USE_CREDENTIALS" />  
<uses-permission android:name="android.permission.MANAGE_ACCOUNTS" />  
<uses-permission android:name="android.permission.AUTHENTICATE_ACCOUNTS" />  
<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.CHANGE_WIFI_STATE" />  
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />  
<uses-permission android:name="android.permission.READ_PHONE_STATE" />  
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />  
<uses-permission android:name="android.permission.BROADCAST_STICKY" />  
<uses-permission android:name="android.permission.WRITE_SETTINGS" />  
<uses-permission android:name="android.permission.READ_PHONE_STATE" />

3：在布局xml文件中添加地图控件

<com.baidu.mapapi.map.MapView  
    android:id="@+id/bmapView"  
    android:layout_width="fill_parent"  
    android:layout_height="fill_parent"  
    android:clickable="true" />

4：在应用程序创建时初始化 SDK引用的Context 全局变量

public class MainActivity extends Activity {  
    @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);  
    }  
}

//在SDK各功能组件使用之前都需要调用SDKInitializer.initialize(getApplicationContext());，百度建议该方法放在Application的初始化方法中

5：创建地图Activity，管理地图生命周期

package com.example.testbaidu_v_3_1;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.widget.Toast;

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

public class MainActivity extends ActionBarActivity {

    private MapView mMapView = null;
    private SDKReceiver mReceiver;

    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);
        // 获取地图控件引用
        mMapView = (MapView) findViewById(R.id.bmapView);

        //看baidu的Demo，发现它注册这个广播，用来监听SDKInitializer的初始化
        IntentFilter iFilter = new IntentFilter();
        iFilter.addAction(SDKInitializer.SDK_BROADTCAST_ACTION_STRING_PERMISSION_CHECK_ERROR);
        iFilter.addAction(SDKInitializer.SDK_BROADCAST_ACTION_STRING_NETWORK_ERROR);
        mReceiver = new SDKReceiver();
        registerReceiver(mReceiver, iFilter);
    }

    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();
        unregisterReceiver(mReceiver);
    }

    @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();
    }

    public class SDKReceiver extends BroadcastReceiver {
        public void onReceive(Context context, Intent intent) {
            String s = intent.getAction();
            if (s.equals(SDKInitializer.SDK_BROADTCAST_ACTION_STRING_PERMISSION_CHECK_ERROR)) {
                Toast.makeText(MainActivity.this,
                        "key 验证出错! 请在 AndroidManifest.xml 文件中检查 key 设置",
                        Toast.LENGTH_SHORT).show();
                ;
            } else if (s
                    .equals(SDKInitializer.SDK_BROADCAST_ACTION_STRING_NETWORK_ERROR)) {
                Toast.makeText(MainActivity.this, "网络出错", Toast.LENGTH_SHORT)
                        .show();
            }
        }
    }

}

运行程序，即可在您的应用中显示如下地图