Android Google舆图开发入门

Android开发要连接GoogelMaps使用MapView时需要，先从Google网站申请一组经过验证的Maps API Key授权码，这个在网上很多package com.android.antking.gps;

import android.app.Activity;import android.location.Location;import android.location.LocationListener;import android.location.LocationManager;import android.location.LocationProvider;import android.os.Bundle;import android.util.Log;import android.widget.TextView;public class Mymain extends Activity{	//定义一个LocationManager类	private LocationManager mLocationManager;	//LocationGPS主程序，实例化一个LocationManager对象mLocationManager    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        mLocationManager = (LocationManager) this.getSystemService(LOCATION_SERVICE);        mLocationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, mLocationListener);    	        }    //在Resume阶段设定mLocationListener界面，可以获得地理位置的更新数据    @Override        protected void onResume() {            	if (mLocationManager != null) {                		mLocationManager.requestLocationUpdates(                    				LocationManager.GPS_PROVIDER,                    				0,                    				0,                    				mLocationListener);            		}                    	super.onResume();        	}     //在Pause阶段关闭mLocationListener界面，不再获得地理位置的更新数据    @Override        protected void onPause() {            	if (mLocationManager != null) {                		mLocationManager.removeUpdates(mLocationListener);            		}                    	super.onPause();        	}    //实例化mLocationListener界面    public LocationListener mLocationListener = new LocationListener()     {     	//GPS位置数据被更新    	public void onLocationChanged(Location location) {            		TextView mTextView01 = (TextView)findViewById(R.id.textView1);    		TextView mTextView02 = (TextView)findViewById(R.id.textView2);    		TextView mTextView03 = (TextView)findViewById(R.id.textView3);    		TextView mTextView04 = (TextView)findViewById(R.id.textView4);    		TextView mTextView05 = (TextView)findViewById(R.id.textView5);    		TextView mTextView06 = (TextView)findViewById(R.id.textView6);    		TextView mTextView07 = (TextView)findViewById(R.id.textView7);    		mTextView01.setText("纬度-Latitude：  " + String.valueOf(location.getLatitude()));    		mTextView02.setText("经度-Longitude：  " + String.valueOf(location.getLongitude()));    		mTextView03.setText("精确度-Accuracy：  " + String.valueOf(location.getAccuracy()));    		mTextView04.setText("标高-Latitude：  " + String.valueOf(location.getAltitude()));    		mTextView05.setText("时间-Time：  " + String.valueOf(location.getTime()));    		mTextView06.setText("速度-Speed：  " + String.valueOf(location.getSpeed()));    		mTextView07.setText("方位-Bearing：  " + String.valueOf(location.getBearing()));       		}    	public void onProviderDisabled(String provider) {        	    	}         	public void onProviderEnabled(String provider) {        	    	}      	//GPS位置数据的状态被更新    	public void onStatusChanged(String provider, int status, Bundle extras) {            		switch (status) {            			case LocationProvider.AVAILABLE:                				Log.v("Status", "AVAILABLE");                				break;            			case LocationProvider.OUT_OF_SERVICE:                				Log.v("Status", "OUT_OF_SERVICE");                				break;            			case LocationProvider.TEMPORARILY_UNAVAILABLE:                				Log.v("Status", "TEMPORARILY_UNAVAILABLE");                				break;            				}        		}    };}

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

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    ><TextView      android:layout_width="fill_parent"     android:layout_height="wrap_content"     android:text="@string/hello"    /> <com.google.android.maps.MapView      android:id="@+id/mapView"      android:layout_width="fill_parent"      android:layout_height="fill_parent"      android:enabled="true"      android:clickable="true"      android:apiKey="0FZLYf-YM4SRrJrJum55MeeaO4Gd_IitVFmtUeA"/>自己的开发密钥</LinearLayout>

? 在这个里面加入我们要用的google地图的包，还有Internet的权限

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"      package="com.android.antking.map"      android:versionCode="1"      android:versionName="1.0">    <uses-sdk android:minSdkVersion="7" />    <uses-permission android:name="android.permission.INTERNET"></uses-permission>    <application android:icon="@drawable/icon" android:label="@string/app_name">        <activity android:name=".MyMain"                  android:label="@string/app_name">            <intent-filter>                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>        <uses-library android:name="com.google.android.maps"></uses-library>    </application></manifest>