高德定位

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import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.widget.CompoundButton;
import android.widget.Toast;

import com.amap.api.location.AMapLocation;
import com.amap.api.location.AMapLocationClient;
import com.amap.api.location.AMapLocationClientOption;
import com.amap.api.location.AMapLocationListener;
import com.amap.api.maps.AMap;
import com.amap.api.maps.LocationSource;
import com.amap.api.maps.MapView;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Locale;

public class MainActivity extends AppCompatActivity implements LocationSource,AMapLocationListener,
        CompoundButton.OnCheckedChangeListener {

    private MapView mMapView;
    private AMap aMap;
    private AMapLocationClient mlocationClient;
    private AMapLocationClientOption mLocationOption;
    private OnLocationChangedListener mListener;



    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        mMapView = (MapView) findViewById(R.id.map);
        mMapView.onCreate(savedInstanceState);

        //设置监听
        aMap = mMapView.getMap();
        aMap.setLocationSource(this);
        aMap.getUiSettings().setMyLocationButtonEnabled(true);//设置默认按钮是否显示
        aMap.setMyLocationEnabled(true);
        aMap.setMyLocationType(AMap.LOCATION_TYPE_LOCATE);//设置定位的模式为定位模式


    }


    @Override
    public void onLocationChanged(AMapLocation aMapLocation) {
        Log.i("TAG","onLocationChanged"+1);

        if (mListener != null && aMapLocation != null) {
            if (aMapLocation != null
                    && aMapLocation.getErrorCode() == 0) {
                Log.i("TAG", "定位成功");
                // Toast.makeText(MainActivity.this, "定位成功", Toast.LENGTH_LONG).show();
                mListener.onLocationChanged(aMapLocation);// 显示系统小蓝点
            } else {
                String errText = "定位失败," + aMapLocation.getErrorCode() + ": " + aMapLocation.getErrorInfo();

                Toast.makeText(MainActivity.this, errText, Toast.LENGTH_LONG).show();
                //Log.e("AmapErr", errText);
            }
        }

    }

    @Override
    public void activate(OnLocationChangedListener onLocationChangedListener) {
        Log.i("TAG","activate"+2);
        mListener = onLocationChangedListener;
        if (mlocationClient == null) {
            mlocationClient = new AMapLocationClient(this);
            mLocationOption = new AMapLocationClientOption();
            //设置定位监听
            mlocationClient.setLocationListener(this);
            //设置为高精度定位模式
            mLocationOption.setLocationMode(AMapLocationClientOption.AMapLocationMode.Hight_Accuracy);
            //设置定位参数
            mlocationClient.setLocationOption(mLocationOption);
            // 此方法为每隔固定时间会发起一次定位请求，为了减少电量消耗或网络流量消耗，
            // 注意设置合适的定位时间的间隔（最小间隔支持为2000ms），并且在合适时间调用stopLocation()方法来取消定位请求
            // 在定位结束后，在合适的生命周期调用onDestroy()方法
            // 在单次定位情况下，定位无论成功与否，都无需调用stopLocation()方法移除请求，定位sdk内部会移除
            mlocationClient.startLocation();
        }
    }

    @Override
    public void deactivate() {
        Log.i("TAG","deactivate"+3);
        mListener = null;
        if (mlocationClient != null) {
            mlocationClient.stopLocation();
            mlocationClient.onDestroy();
        }
        mlocationClient = null;

    }

    @Override
    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {

       Log.i("TAG","onCheckedChanged"+4);
        aMap.setMyLocationType(AMap.LOCATION_TYPE_LOCATE);
    }

    public String sHA1(Context context) {
        Log.i("TAG","sHA1"+5);
        try {
            PackageInfo info = context.getPackageManager().getPackageInfo(
                    context.getPackageName(), PackageManager.GET_SIGNATURES);
            byte[] cert = info.signatures[0].toByteArray();
            MessageDigest md = MessageDigest.getInstance("SHA1");
            byte[] publicKey = md.digest(cert);
            StringBuffer hexString = new StringBuffer();
            for (int i = 0; i < publicKey.length; i++) {
                String appendString = Integer.toHexString(0xFF & publicKey[i])
                        .toUpperCase(Locale.US);
                if (appendString.length() == 1)
                    hexString.append("0");
                hexString.append(appendString);
                hexString.append(":");
            }
            return hexString.toString();
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        }
        return null;
    }

    @Override
    protected void onPause() {
        super.onPause();

        Log.i("TAG","onPause"+6);
        mMapView.onPause();
        deactivate();
    }

    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        Log.i("TAG","onSaveInstanceState"+7);
        mMapView.onSaveInstanceState(outState);
    }
    @Override
    protected void onResume() {
        super.onResume();
        Log.i("TAG","onResume"+8);
        mMapView.onResume();
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        Log.i("TAG","onDestroy"+9);
        mMapView.onDestroy();
        mMapView.onDestroy();
        if (null != mlocationClient) {
            mlocationClient.onDestroy();
        }
    }


}
//mainfest文件  还需要导入地图的3djar 和定位的Jar  key需要自己申请 应用的包名和项目的包名需一致

<?xml version="1.0" encoding="utf-8"?>
<manifest package="itcast.cn.mymap"
          xmlns:android="http://schemas.android.com/apk/res/android">


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

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

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">

        <meta-data
            android:name="com.amap.api.v2.apikey"
            android:value="3e38e8decba8f7e2f3909e76ac82362e"
            ></meta-data>

        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN"/>

                <category android:name="android.intent.category.LAUNCHER"/>
            </intent-filter>
        </activity>

        <service android:name="com.amap.api.location.APSService"></service>
    </application>
//xml配置文件

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    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"
  >

    <com.amap.api.maps.MapView
        android:id="@+id/map"
        android:layout_width="match_parent"
        android:layout_height="match_parent">
    </com.amap.api.maps.MapView>



</RelativeLayout>

高德定位

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原文地址：http://www.cnblogs.com/l123/p/5675477.html