android使用高德地图api

使用高德地图获取当前定位和显示定位地图。

1、添加应用key
主要填写sha1安全码和包名
SHA1码：可在eclipse下，Window->Preferences->Android->Build，SHA1 fingerprint。
Package：自定义，后面开发时创建的包名要对应，例如：com.amap.navi.demo

2、创建工程
创建时包名要定义为com.amap.navi.demo。

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.amap.navi.demo"    android:versionCode="1"    android:versionName="1.0" >    <uses-sdk        android:minSdkVersion="8"        android:targetSdkVersion="21" />    <!--用于进行网络定位-->    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"></uses-permission>    <!--用于访问GPS定位-->    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"></uses-permission>    <!--获取运营商信息，用于支持提供运营商信息相关的接口-->    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission>    <!--用于访问wifi网络信息，wifi信息会用于进行网络定位-->    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"></uses-permission>    <!--这个权限用于获取wifi的获取权限，wifi信息会用来进行网络定位-->    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE"></uses-permission>    <!--用于访问网络，网络定位需要上网-->    <uses-permission android:name="android.permission.INTERNET"></uses-permission>    <!--用于读取手机当前的状态-->    <uses-permission android:name="android.permission.READ_PHONE_STATE"></uses-permission>    <!--写入扩展存储，向扩展卡写入数据，用于写入缓存定位数据-->    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission>    <application        android:allowBackup="true"        android:icon="@drawable/ic_launcher"        android:label="@string/app_name"        android:theme="@style/AppTheme" >        <meta-data            android:name="com.amap.api.v2.apikey"            android:value="a73068790b8a332ad8538002102b5edf"/>        <service android:name="com.amap.api.location.APSService" >        </service>        <activity            android:name=".MainActivity"            android:label="@string/app_name" >            <intent-filter>                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>    </application></manifest>

MainActivity.java

package com.amap.navi.demo;import java.io.IOException;import java.security.MessageDigest;import java.security.NoSuchAlgorithmException;import java.util.Locale;import com.amap.api.location.AMapLocation;import com.amap.api.location.AMapLocationClient;import com.amap.api.location.AMapLocationClientOption;import com.amap.api.location.AMapLocationClientOption.AMapLocationMode;import com.amap.api.location.AMapLocationListener;import com.amap.api.maps2d.AMap;import com.amap.api.maps2d.AMap.OnMapLoadedListener;import com.amap.api.maps2d.CameraUpdateFactory;import com.amap.api.maps2d.MapView;import com.amap.api.maps2d.model.BitmapDescriptorFactory;import com.amap.api.maps2d.model.LatLng;import com.amap.api.maps2d.model.MarkerOptions;import android.support.v7.app.ActionBarActivity;import android.annotation.SuppressLint;import android.os.Bundle;import android.util.Log;import android.view.Menu;import android.view.MenuItem;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.TextView;import android.widget.Toast;public class MainActivity extends ActionBarActivity{    //声明AMapLocationClient类对象    public AMapLocationClient mLocationClient = null;    public AMapLocationClientOption mLocationOption = null;    private TextView hellow = null;    private Button startlocation = null;    private Button stoplocation = null;    private MapView mMapView = null;    private AMap mMap = null;    private LatLng locLatlng;    @Override    protected void onCreate(Bundle savedInstanceState)    {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        hellow = (TextView)findViewById(R.id.hellow);        //控制按钮，开始和停止获取当前定位        startlocation = (Button)findViewById(R.id.startlocation);        stoplocation = (Button)findViewById(R.id.stoplocation);        mMapView = (MapView) findViewById(R.id.map);        mMapView.onCreate(savedInstanceState);        startlocation.setOnClickListener(locationlister);        stoplocation.setOnClickListener(locationlister);        mLocationClient = new AMapLocationClient(getApplicationContext());        mLocationClient.setLocationListener(mLocationListener);        mLocationOption = new AMapLocationClientOption();        mLocationOption.setLocationMode(AMapLocationMode.Hight_Accuracy);        mLocationOption.setOnceLocationLatest(true);        mLocationOption.setNeedAddress(true);        mLocationClient.setLocationOption(mLocationOption);        if (mMap == null) {            mMap = mMapView.getMap();        }        mMap.setOnMapLoadedListener(onmaploadedlistener);    }    public OnClickListener locationlister = new OnClickListener()    {        @SuppressLint("ShowToast")        @Override        public void onClick(View v)        {            switch (v.getId())            {            case R.id.startlocation:                mLocationClient.startLocation();                break;            case R.id.stoplocation:                mLocationClient.stopLocation();                mLocationClient.onDestroy();                break;            default:                break;            }        }    };    public AMapLocationListener mLocationListener = new AMapLocationListener()    {        @Override        public void onLocationChanged(AMapLocation amapLocation)        {String text = null;            // TODO Auto-generated method stub            if (amapLocation != null) {                if (amapLocation.getErrorCode() == 0) {                    //可在其中解析amapLocation获取相应内容。                    selflatitude = amapLocation.getLatitude();                    selflongitude = amapLocation.getLongitude();                    Toast.makeText(getApplicationContext(), "lat:"+selflatitude+"long:"+selflongitude, 500).show();                    text = "定位结果来源:"+amapLocation.getLocationType()+"\n"+                            "纬度:"+amapLocation.getLatitude()+"\n"+                            "经度:"+amapLocation.getLongitude()+"\n"+                            "地址:"+amapLocation.getAddress();                    locLatlng = new LatLng(amapLocation.getLatitude(),                                           amapLocation.getLongitude());                    if (mMap != null) {                        addLocationMarker();                        Log.e("MAP", "aaa");                    }                }else {                //定位失败时，可通过ErrCode（错误码）信息来确定失败的原因，errInfo是错误信息，详见错误码表。                Log.e("AmapError","location Error, ErrCode:"                    + amapLocation.getErrorCode() + ", errInfo:"                    + amapLocation.getErrorInfo());                text = "location Error, ErrCode:"+ amapLocation.getErrorCode() + ", errInfo:"+ amapLocation.getErrorInfo();                hellow.setText(text);                }            }        }    };    public OnMapLoadedListener onmaploadedlistener = new OnMapLoadedListener()    {        @Override        public void onMapLoaded()        {            // TODO Auto-generated method stub            addLocationMarker();        }    };    /**     * 添加定位小图标到地图上     */    private void addLocationMarker() {            if (locLatlng != null) {                mMap.clear();                mMap.addMarker(new MarkerOptions().position(locLatlng).icon(BitmapDescriptorFactory.fromResource(R.drawable.markpoint)));                mMap.moveCamera(CameraUpdateFactory.newLatLngZoom(locLatlng, 10));            }    }    @Override    public boolean onCreateOptionsMenu(Menu menu)    {        // Inflate the menu; this adds items to the action bar if it is present.        getMenuInflater().inflate(R.menu.main, menu);        return true;    }    @Override    public boolean onOptionsItemSelected(MenuItem item)    {        // Handle action bar item clicks here. The action bar will        // automatically handle clicks on the Home/Up button, so long        // as you specify a parent activity in AndroidManifest.xml.        int id = item.getItemId();        if (id == R.id.action_settings)        {            return true;        }        return super.onOptionsItemSelected(item);    }    @Override    protected void onDestroy()    {        // TODO Auto-generated method stub        super.onDestroy();        mMapView.onDestroy();    }    @Override    protected void onPause()    {        // TODO Auto-generated method stub        super.onPause();        mMapView.onPause();    }    @Override    protected void onResume()    {        // TODO Auto-generated method stub        super.onResume();        mMapView.onResume();    }    @Override    protected void onSaveInstanceState(Bundle outState)    {        // TODO Auto-generated method stub        super.onSaveInstanceState(outState);        mMapView.onSaveInstanceState(outState);    }}