使用Web服务在Android中获得地址 [英] getting address in android using web service
问题描述
IAM新的Android开发。
我已经尝试使用Web服务来获取位置的地址,但我得到的类未发现异常,当我这吃午餐code.如果任何人能请建议我,这妥善解决。
code为服务类....
公共类MWService扩展服务实现LocationListener的{
私人的LocationManager myLocationManager;
私人LocationProvider myLocationProvider;
私人NotificationManager myNotificationManager;
私人长期频率;
私人双total_distance = 0;
私人位置currentLocation;
公共静态最后弦乐BROADCAST_ACTION =com.motorvehicle.android;
私人最终处理程序处理程序=新的处理程序();
意图意图;
私家地理coderHelper地理codeR =新的地缘coderHelper();
私人布尔ISSTART = TRUE;
私人位置startLocation,EndLocation组件;
私人字符串startAddress =;
私人字符串endAddress =;
私人JSONArray jarray =新JSONArray();
私人布尔isInternet;
//私人最终处理程序处理程序=新的处理程序();公共无效onLocationChanged(位置newLocation){
尝试{
的System.out.println(纬度电流:+ currentLocation.getLatitude());
的System.out.println(纬度电流:+ currentLocation.getLongitude());
的System.out.println(新纬度:+ newLocation.getLatitude());
的System.out.println(新纬度:+ newLocation.getLongitude());
的System.out.println(距离总:+ total_distance);
//System.out.println(distance(22.306813,73.180239,22.301016,73.177986,K)+公里\\ n);
双差异= 0.0;
的diff = currentLocation.getLatitude() - newLocation.getLatitude();
的System.out.println(差异化::+差异);
如果(差异!= 0){
total_distance = total_distance + currentLocation.distanceTo(newLocation);
}
如果(ISSTART){
ISSTART = FALSE;
startLocation = newLocation;
/ *如果(InternetAvailable()){
// startAddress =地理coder.fetchCityName(getApplicationContext(),newLocation);
的System.out.println(起始地址:+ startAddress);
} * / }其他{
EndLocation组件= newLocation;
/ *如果(InternetAvailable()){
// endAddress =地理coder.fetchCityName(getApplicationContext(),newLocation);
的System.out.println(endAddress:+ endAddress);
} * /
} currentLocation = newLocation;
}赶上(例外五){
currentLocation = newLocation;
e.printStackTrace();
}
}公共布尔InternetAvailable(){ 线程t =新主题(新的Runnable(){
@覆盖
公共无效的run(){
//而(isStopMe){
的System.out.println(这里面.................:);
尝试{
如果(!checkConnection()){
的System.out.println(无Internet连接);
isInternet = FALSE;
的System.out.println(第一);
}其他{
如果(的InetAddr()){
的System.out.println(网络连通性是present);
isInternet = TRUE;
的System.out.println(二);
}其他{
如果(MobileConnect的()){
的System.out.println(第三);
如果(的InetAddr()){
System.out的
.println(网络连通性是present);
isInternet = TRUE;
的System.out.println(第四);
}其他{
System.out的
.println(无Internet连接);
isInternet = FALSE;
的System.out.println(十五);
}
}其他{
的System.out.println(无Internet连接);
isInternet = FALSE;
的System.out.println(六个一);
}
}
}
}赶上(例外前){
的System.out.println(泄漏こ捕);
} }
});
t.start();
尝试{
t.join();
}赶上(InterruptedException的E){
// TODO自动生成catch块
e.printStackTrace();
}
返回isInternet;
}
公共布尔checkConnection(){
布尔连接= FALSE;
ConnectivityManager厘米=(ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE);
如果(厘米!= NULL){
的NetworkInfo [] = NetInfo的cm.getAllNetworkInfo();
对于(NI的NetworkInfo:NetInfo的){
如果((ni.getTypeName()。equalsIgnoreCase(WIFI)||妮
.getTypeName()。equalsIgnoreCase(手机))
&安培; ni.isConnected()及ni.isAvailable()){
连接= TRUE;
}
}
}
返回连接;
}公共布尔的InetAddr(){
布尔X1 = FALSE; 尝试{
插座S =新的Socket();
s.connect(新的InetSocketAddress(ntp-nist.ldsbc.edu,37),3000);
InputStream为= s.getInputStream(); 扫描程序扫描=新的扫描仪(是); 而(scan.hasNextLine()){ 的System.out.println(scan.nextLine());
X1 = TRUE;
}
}赶上(IOException异常五){ X1 = FALSE; }
返回X1;
}
公共布尔MobileConnect的(){
布尔康恩= FALSE;
ConnectivityManager厘米=(ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE);
的NetworkInfo activeNet =厘米
.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
如果(activeNet!= NULL){
康恩=真;
}其他{
康恩= FALSE;
}
康涅狄格州返回;
}@燮pressWarnings(德precation)
私人无效myNotify(字符串文本){
注意notif =新的通知(R.drawable.ic_launcher,文本,系统
.currentTimeMillis());
的PendingIntent contentIntent = PendingIntent.getActivity(在此,0,新意图(此,MainActivity.class),0);
notif.setLatestEventInfo(这一点,MotorVehicleApp,文字,contentIntent);
// notif.defaults = Notification.DEFAULT_VIBRATE;
myNotificationManager.notify((INT)System.currentTimeMillis的(),notif);
}@覆盖
公共无效的onCreate(){
super.onCreate();
字符串提供商= Settings.Secure.getString(getContentResolver(),Settings.Secure.LOCATION_PROVIDERS_ALLOWED); 如果(!provider.contains(GPS)){//如果GPS被禁用
最终意图捅=新意图();
poke.setClassName(com.android.settings,com.android.settings.widget.SettingsAppWidgetProvider);
poke.addCategory(Intent.CATEGORY_ALTERNATIVE);
poke.setData(Uri.parse(3));
sendBroadcast(捅);
}
意图=新意图(BROADCAST_ACTION);
android.util.Log.d(MWD,创造);
myLocationManager =(的LocationManager)this.getSystemService(Context.LOCATION_SERVICE);
的System.out.println(位置经理:+ myLocationManager.getAllProviders());
myLocationProvider = myLocationManager.getProvider(GPS);
myNotificationManager =(NotificationManager)this.getSystemService(Context.NOTIFICATION_SERVICE);
更新preferences(); handler.post(新的Runnable(){
@覆盖公共无效的run(){
Toast.makeText(getApplicationContext(),地址:+ startAddress,Toast.LENGTH_LONG).show(); }});
}
公共无效更新preferences(){
//同步局部变量与preferences
android.util.Log.d(新世界发展,更新preferences);
频率= 10;
//更新为新的频率在LM
myLocationManager.removeUpdates(本);
myLocationManager.requestLocationUpdates(myLocationProvider.getName(),频率,0,这一点);
}
@覆盖
公共无效的onDestroy(){
super.onDestroy();
///// ------设置可编辑的EditText android.util.Log.d(新世界发展,破坏); 的System.out.println(内部的消灭MWService的);
myLocationManager.removeUpdates(本);
// myNotify(停止); InsertTripDetails_AsyncTask插入=新InsertTripDetails_AsyncTask();
insert.execute(); 字符串提供商= Settings.Secure.getString(getContentResolver(),Settings.Secure.LOCATION_PROVIDERS_ALLOWED); 如果(provider.contains(GPS))如果启用GPS {//
最终意图捅=新意图();
poke.setClassName(com.android.settings,com.android.settings.widget.SettingsAppWidgetProvider);
poke.addCategory(Intent.CATEGORY_ALTERNATIVE);
poke.setData(Uri.parse(3));
sendBroadcast(捅);
}
handler.removeCallbacks(sendUpdatesToUI);
}@燮pressWarnings(德precation)
@覆盖
公共无效调用onStart(意向意图,诠释startId){
super.onStart(意向,startId);
android.util.Log.d(新世界发展,出发);
currentLocation = myLocationManager.getLastKnownLocation(myLocationProvider.getName());
// myNotify(启动); handler.postDelayed(sendUpdatesToUI,3000); // 1秒}
私人Runnable接口sendUpdatesToUI =新的Runnable(){
公共无效的run(){
的System.out.println(total_distance ::+ total_distance);
intent.putExtra(距离,(total_distance / 1000));
sendBroadcast(意向);
handler.postDelayed(这一点,3000);
}
};公共无效onProviderDisabled(字符串为arg0){}公共无效onProviderEnabled(字符串为arg0){}公共无效onStatusChanged(字符串为arg0,ARG1 INT,捆绑ARG2){}@覆盖
公众的IBinder onBind(意向为arg0){
返回null; //这是沉重的工控机,不使用
}
私有类InsertTripDetails_AsyncTask扩展的AsyncTask<弦乐,太虚,字符串> { @覆盖
保护字符串doInBackground(字符串的URL ...){ 尝试{
尝试{
// InternetAvailable()
如果(InternetAvailable()){
startAddress =地理coder.fetchCityName(getApplicationContext(),startLocation);
的System.out.println(起始地址:+ startAddress);
endAddress =地理coder.fetchCityName(getApplicationContext(),EndLocation组件);
的System.out.println(结束地址:+ endAddress);
}其他{
的System.out.println(网络不可用);
} //上网的时候数据是存储在纬度和经度格式不可用
如果(startAddress.equalsIgnoreCase()及与放大器; endAddress.equalsIgnoreCase()){
DecimalFormat的SD =新DecimalFormat的(## ##);
的System.out.println(1纬度:+ sd.format(startLocation.getLatitude())+长:+ sd.format(startLocation.getLongitude())+,纬度:+ sd.format(EndLocation组件.getLatitude())+长:+ sd.format(endLocation.getLongitude())); }否则如果(startAddress.equalsIgnoreCase()){
DecimalFormat的SD =新DecimalFormat的(## ##);
的System.out.println(2纬度:+ sd.format(startLocation.getLatitude())+长:+ sd.format(startLocation.getLongitude())+,+ endAddress); }否则如果(endAddress.equalsIgnoreCase()){
DecimalFormat的SD =新DecimalFormat的(## ##);
尝试{
的System.out.println(startAddress +,3纬度:+ sd.format(endLocation.getLatitude())+长:+ sd.format(endLocation.getLongitude()));
}赶上(例外五){
e.printStackTrace();
}
}
其他{
的System.out.println(startAddress ++ endAddress);
} }赶上(例外五){
e.printStackTrace();
} }赶上(例外五){ e.printStackTrace();
的System.out.println(在Web服务因而没有互联网的捕); }
返回DFS
}
@覆盖
保护无效onPostExecute(字符串结果){ }
}}
code为地理codeR类
公共类地理coderHelper
{
私有静态最终AndroidHttpClient ANDROID_HTTP_CLIENT = AndroidHttpClient.newInstance(GEO coderHelper.class.getName());私人字符串的地址=;
私人位置i_Location;
私人语境i_Context;
公共字符串fetchCityName(最终上下文CONTEX,最终定位位置)
{
i_Location =位置;
i_Context = CONTEX;
尝试{
返回新地址()的execute()得到()。
}赶上(例外五){ 退货地址; }
}公共类地址扩展的AsyncTask<太虚,太虚,字符串>
{ @燮pressWarnings(未使用)
@覆盖
保护字符串doInBackground(无效... PARAMS)
{
字符串的cityName = NULL; 如果(GEO coder.is present())
{
尝试
{
的System.out.println(位置纬度为+ i_Location.getLatitude());
的System.out.println(所在地经度为+ i_Location.getLongitude()); 地理codeR地理codeR =新的地缘codeR(i_Context,Locale.getDefault());
清单< android.location.Address>地址=地理coder.getFromLocation(i_Location.getLatitude(),i_Location.getLongitude(),1);
如果(addresses.size()大于0)
{
//的cityName = addresses.get(0).getLocality();
地址= addresses.get(0).getLocality();
的System.out.println(地理$ C $ present地址里面CR是+地址); }
}
赶上(异常忽略)
{
//过了一会儿,地理codeR开始trhow服务不availalbe异常。很奇怪,因为在此之前(同一设备,同一Android版本等工作..
}
} 如果(的cityName!= NULL)//即地理codeR成功
{
返回的cityName;
}
否则//即地理codeR失败
{
返回fetchCityNameUsingGoogleMap();
} } //地理codeR失败:-(
//我们的B计划:谷歌地图
私人字符串fetchCityNameUsingGoogleMap()
{
尝试
{
串googleMapUrl =http://maps.googleapis.com/maps/api/geo$c$c/json?latlng=+ i_Location.getLatitude()+,
+ i_Location.getLongitude()+&放大器;传感器=假放,语言= zh的; JSONObject的googleMa presponse =新的JSONObject(ANDROID_HTTP_CLIENT.execute(新HTTPGET(googleMapUrl)
新BasicResponseHandler())); //许多嵌套循环..不是很大 - >使用前pression代替
//所有结果中环
JSONArray结果=(JSONArray),其中googleMa presponse.get(结果);
的for(int i = 0; I< results.length();我++)
{
//这个结果中的所有地址中环
的JSONObject结果= results.getJSONObject(ⅰ);
地址= result.getString(的formatted_address);
的System.out.println(地图地址:+地址);
打破; / *如果(result.has(address_components))
{
JSONArray addressComponents = result.getJSONArray(address_components);
//所有地址组件中环找一个'地方'或'sublocality
对于(INT J = 0; J< addressComponents.length(); J ++)
{
JSONObject的addressComponent = addressComponents.getJSONObject(J);
如果(result.has(类型))
{
JSONArray类型= addressComponent.getJSONArray(类型); //搜索本地和sublocality
字符串的cityName = NULL;
字符串ROUTE = NULL; 对于(INT K = 0; K< types.length(); K ++)
{ 如果(局部性.equals(types.getString(K))及和放大器;的cityName == NULL)
{
如果(addressComponent.has(LONG_NAME))
{
的cityName = addressComponent.getString(LONG_NAME);
}
否则如果(addressComponent.has(SHORT_NAME))
{
的cityName = addressComponent.getString(简称的);
}
}
如果(sublocality.equals(types.getString(K)))
{
如果(addressComponent.has(LONG_NAME))
{
的cityName = addressComponent.getString(LONG_NAME);
}
否则如果(addressComponent.has(SHORT_NAME))
{
的cityName = addressComponent.getString(简称的);
}
}
}
如果(的cityName!= NULL)
{
地址=的cityName;
返回的cityName; }
}
}
} * /
}
}
赶上(异常忽略)
{
ignored.printStackTrace();
}
退货地址;
} 保护无效onPostExecute(字符串结果)
{ super.onPostExecute(结果);
}
}
}
code为MainActivity类别
公共类MainActivity延伸活动{
//私人最终处理程序处理程序=新的处理程序();@覆盖
保护无效的onCreate(捆绑savedInstanceState){
super.onCreate(savedInstanceState);
的setContentView(R.layout.main);
startService(新意图(MainActivity.this,MWService.class));}@覆盖
保护无效的onPause(){
super.onPause();
stopService(新意图(MainActivity.this,MWService.class));
}}
我对互联网和AccessFineLocation
在我menifest文件使用权限我的logcat味精......
10-31 13:40:41.937:ERROR / AndroidRuntime(825):了java.lang.RuntimeException:无法实例活动ComponentInfo {com.example.address2 / com。示例。 android.MainActivity}:抛出java.lang.ClassNotFoundException:com.example.android.MainActivity装载机dalvik.system.PathClassLoader [/data/app/com.example.address2-1.apk]
10-31 13:40:41.937:ERROR / AndroidRuntime(825):抛出java.lang.ClassNotFoundException:致com.example.android.MainActivity装载机dalvik.system.PathClassLoader [/data/app/com.example.address2 -1.apk]
code为我menifest文件....
<采用-SDK
安卓的minSdkVersion =10
机器人:targetSdkVersion =17/>
<使用许可权的android:NAME =android.permission.INTERNET对/>
<使用许可权的android:NAME =android.permission.ACCESS_FINE_LOCATION/><应用
机器人:allowBackup =真
机器人:图标=@绘制/ ic_launcher
机器人:标签=@字符串/ APP_NAME
机器人:主题=@风格/ AppTheme>
<活动
机器人:名字=com.example.android.MainActivity
机器人:标签=@字符串/ APP_NAME>
&所述;意图滤光器>
<作用机器人:名字=android.intent.action.MAIN/> <类机器人:名字=android.intent.category.LAUNCHER/>
&所述; /意图滤光器>
< /活性GT;
<服务机器人:名字=MWService>< /服务>
< /用途>
使用我的code。我已经成功地找到使用坐标我目前的地址,但对于您必须启用WIFI和GPS。
首先添加所有这些权限在你的Android清单文件
<使用许可权的android:NAME =android.permission.INTERNET对/>
<使用许可权的android:NAME =android.permission.ACCESS_NETWORK_STATE/>
<使用许可权的android:NAME =android.permission.CHANGE_NETWORK_STATE/>
<使用许可权的android:NAME =android.permission.ACCESS_WIFI_STATE/>
<使用许可权的android:NAME =android.permission.CHANGE_WIFI_STATE/>
<使用许可权的android:NAME =android.permission.WAKE_LOCK/>
<使用许可权的android:NAME =android.permission.ACCESS_COARSE_LOCATION/>
<使用许可权的android:NAME =android.permission.ACCESS_FINE_LOCATION/>
AndroidGPSTrackingActivity.java *
包com.example.gpstracking;进口java.io.IOException异常;
进口java.lang.reflect.InvocationTargetException;
进口的java.lang.reflect.Method;
进口的java.util.List;
进口java.util.Locale中;进口android.app.Activity;
进口android.content.Context;
进口android.content.Intent;
进口android.location.Address;
进口android.location.Geo codeR;
进口android.location.LocationManager;
进口android.net.ConnectivityManager;
进口android.net.Uri;
进口android.net.wifi.WifiManager;
进口android.os.Bundle;
进口android.view.View;
进口android.webkit.WebView;
进口android.widget.Button;
进口android.widget.CompoundButton;
进口android.widget.CompoundButton.OnCheckedChangeListener;
进口android.widget.Toast;
进口android.widget.ToggleButton;公共类AndroidGPSTrackingActivity延伸活动{ 按钮btnShowLocation; // GPSTracker类
GPSTracker GPS;
切换按钮gpstoggle,wifitoggle,datatoggle;
静态WifiManager wifiManager;
LM的LocationManager;
的WebView网络;
@覆盖
公共无效的onCreate(捆绑savedInstanceState){
super.onCreate(savedInstanceState);
的setContentView(R.layout.main); btnShowLocation =(按钮)findViewById(R.id.btnShowLocation); gpstoggle =(切换按钮)findViewById(R.id.gps);
wifitoggle =(切换按钮)findViewById(R.id.wifi); wifiManager =(WifiManager)this.getSystemService(Context.WIFI_SERVICE); LM =(的LocationManager)getSystemService(LOCATION_SERVICE); // GPS切换
gpstoggle.setOnCheckedChangeListener(新OnCheckedChangeListener(){ @覆盖
公共无效onCheckedChanged(CompoundButton buttonView,布尔器isChecked){
如果(器isChecked){
最终意图捅=新意图();
poke.setClassName(com.android.settings,com.android.settings.widget.SettingsAppWidgetProvider);
poke.addCategory(Intent.CATEGORY_ALTERNATIVE);
poke.setData(Uri.parse(3));
。getApplicationContext()sendBroadcast(捅);
}
其他{
最终意图捅=新意图();
poke.setClassName(com.android.settings,com.android.settings.widget.SettingsAppWidgetProvider);
poke.addCategory(Intent.CATEGORY_ALTERNATIVE);
poke.setData(Uri.parse(3));
。getApplicationContext()sendBroadcast(捅);
}
}
});
// WiFi切换
wifitoggle.setOnCheckedChangeListener(新OnCheckedChangeListener(){ @覆盖
公共无效onCheckedChanged(CompoundButton buttonView,布尔器isChecked){
如果(器isChecked){
wifiManager.setWifiEnabled(真);
}
其他{
wifiManager.setWifiEnabled(假);
}
}
}); //数据触发
datatoggle.setOnCheckedChangeListener(新OnCheckedChangeListener(){ @覆盖
公共无效onCheckedChanged(CompoundButton buttonView,布尔器isChecked){
如果(器isChecked){
ConnectivityManager DATAMANAGER;
DATAMANAGER =(ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE);
方法dataMtd = NULL; 尝试{
dataMtd = ConnectivityManager.class.getDeclaredMethod(setMobileDataEnabled,boolean.class);
dataMtd.setAccessible(真);
dataMtd.invoke(DATAMANAGER,真); }赶上(NoSuchMethodException E1){
e1.printStackTrace();
}
赶上(抛出:IllegalArgumentException五){
e.printStackTrace();
}赶上(IllegalAccessException E){
e.printStackTrace();
}赶上(的InvocationTargetException E){
e.printStackTrace();
}
赶上(SecurityException异常五){
e.printStackTrace();
} }
其他{
ConnectivityManager DATAMANAGER;
DATAMANAGER =(ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE);
方法dataMtd = NULL; 尝试{
dataMtd = ConnectivityManager.class.getDeclaredMethod(setMobileDataEnabled,boolean.class);
dataMtd.setAccessible(假);
dataMtd.invoke(DATAMANAGER,FALSE);
}赶上(NoSuchMethodException E1){
e1.printStackTrace();
}
赶上(抛出:IllegalArgumentException五){
e.printStackTrace();
}赶上(IllegalAccessException E){
e.printStackTrace();
}赶上(的InvocationTargetException E){
e.printStackTrace();
}
赶上(SecurityException异常五){
e.printStackTrace();
} }
}
}); //展示位置按钮单击事件
btnShowLocation.setOnClickListener(新View.OnClickListener(){ @覆盖
公共无效的onClick(查看为arg0){
//创建类对象
GPS =新GPSTracker(AndroidGPSTrackingActivity.this); //检查是否启用GPS
如果(gps.canGetLocation()){ 双纬度= gps.getLatitude();
双经度= gps.getLongitude(); 地理codeR GCD =新的地缘codeR(getApplicationContext(),Locale.getDefault());
清单<地址>地址= NULL;
尝试{
地址= gcd.getFromLocation(纬度,经度,1);
}赶上(IOException异常五){
// TODO自动生成catch块
e.printStackTrace();
}
如果(!(地址== NULL)){
如果(!addresses.isEmpty()){
的System.out.println(addresses.get(0).getLocality()); 地址地址= addresses.get(0); 字符串addressText =的String.format(%S%S%S,%S%S%S,
address.getAddressLine(0),
address.getAddressLine(1),
address.getAddressLine(2),
address.getAddressLine(3),
address.getPhone(),
address.get premises()); 的System.out.println(addressText); // \\ n是新行
Toast.makeText(getApplicationContext(),您现在的位置是 - \\ nLat:+纬度+\\ nLong:+经度,Toast.LENGTH_LONG).show();
}其他{
//无法获取位置
未启用// GPS或网络
//要求用户在设置中启用GPS /网络
gps.showSettingsAlert();
}
}其他{
//无法获取位置
未启用// GPS或网络
//要求用户在设置中启用GPS /网络
gps.showSettingsAlert();
} } }
});
}}
GPSTracker.java
包com.example.gpstracking;进口android.app.AlertDialog;
进口android.app.Service;
进口android.content.Context;
进口android.content.DialogInterface;
进口android.content.Intent;
进口android.location.Location;
进口android.location.LocationListener;
进口android.location.LocationManager;
进口android.net.ConnectivityManager;
进口android.net.NetworkInfo;
进口android.net.wifi.WifiManager;
进口android.os.Bundle;
进口android.os.IBinder;
进口android.provider.Settings;
进口android.util.Log;
进口android.widget.Toast;公共类GPSTracker扩展服务实现LocationListener的{ 私人最终上下文mContext; //标志GPS状态
布尔isGPSEnabled = FALSE; //标志GPS状态
布尔canGetLocation = FALSE; 地点位置; // 位置
双纬度; //纬度
双经度; //经度 //最小距离改变米的更新
私有静态最后长MIN_DISTANCE_CHANGE_FOR_UPDATES = 10; //10米 //毫秒更新之间的最短时间
私有静态最后长MIN_TIME_BW_UPDATES = 1000 * 60 * 1; // 1分钟 //声明一个位置管理
受保护的LocationManager的LocationManager; 公共GPSTracker(上下文的背景下){
this.mContext =背景;
的getLocation();
} 公共场所的getLocation(){
尝试{
的LocationManager =(的LocationManager)mContext.getSystemService(LOCATION_SERVICE); //获取GPS状态
isGPSEnabled = locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER); //获取网络状态
布尔wifiEnabled = AndroidGPSTrackingActivity.wifiManager.isWifiEnabled(); ConnectivityManager厘米=(ConnectivityManager)mContext.getSystemService(Context.CONNECTIVITY_SERVICE);
的NetworkInfo activeNetwork = cm.getActiveNetworkInfo(); this.canGetLocation = TRUE; //如果数据可得拉/长使用WIFI服务
如果(activeNetwork.isConnected()){
locationManager.requestLocationUpdates(
LocationManager.NETWORK_PROVIDER,
MIN_TIME_BW_UPDATES,
MIN_DISTANCE_CHANGE_FOR_UPDATES,这一点);
Log.d(网络,网络);
如果(的LocationManager!= NULL){
位置=的LocationManager
.getLastKnownLocation(LocationManager.NETWORK_PROVIDER); }
}
//如果WiFi功能得到纬度/长使用WIFI服务
如果(wifiEnabled){
locationManager.requestLocationUpdates(
LocationManager.NETWORK_PROVIDER,
MIN_TIME_BW_UPDATES,
MIN_DISTANCE_CHANGE_FOR_UPDATES,这一点);
Log.d(网络,网络);
如果(的LocationManager!= NULL){
位置=的LocationManager
.getLastKnownLocation(LocationManager.NETWORK_PROVIDER); }
}
//如果GPS功能的获得纬度/长期使用GPS服务
如果(isGPSEnabled){
如果(位置== NULL){
locationManager.requestLocationUpdates(
LocationManager.GPS_PROVIDER,
MIN_TIME_BW_UPDATES,
MIN_DISTANCE_CHANGE_FOR_UPDATES,这一点);
Log.d(GPS已启用,GPS功能的);
如果(的LocationManager!= NULL){
位置=的LocationManager
.getLastKnownLocation(LocationManager.GPS_PROVIDER); }
}
}
如果(位置!= NULL){
纬度= location.getLatitude();
经度= location.getLongitude();
} }赶上(例外五){
e.printStackTrace();
} 返回的位置;
} / **
*停止使用GPS监听器
*调用此函数将停止在你的应用程序中使用GPS
* * /
公共无效stopUsingGPS(){
如果(的LocationManager!= NULL){
locationManager.removeUpdates(GPSTracker.this);
}
} / **
*函数来获取纬度
* * /
公共双getLatitude(){
如果(位置!= NULL){
纬度= location.getLatitude();
} //返回纬度
返回纬度;
} / **
*函数来获取经度
* * /
公共双getLongitude(){
如果(位置!= NULL){
经度= location.getLongitude();
} //返回经度
返回经度;
} / **
*功能检查启用GPS / WIFI
* @返回布尔
* * /
公共布尔canGetLocation(){
返回this.canGetLocation;
} / **
*功能,以显示设置警告对话框
*在pressing设置按钮将劳克设置选项
* * /
公共无效showSettingsAlert(){
AlertDialog.Builder alertDialog =新AlertDialog.Builder(mContext); //设置对话框标题
alertDialog.setTitle(GPS是设置); //设置对话框留言
alertDialog.setMessage(GPS未启用你想要去设置菜单?); //在pressing设置按钮
alertDialog.setPositiveButton(设置,新DialogInterface.OnClickListener(){
公共无效的onClick(DialogInterface对话,诠释它){
意向意图=新意图(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
mContext.startActivity(意向);
}
}); //在pressing取消按钮
alertDialog.setNegativeButton(取消,新DialogInterface.OnClickListener(){
公共无效的onClick(DialogInterface对话,诠释它){
dialog.cancel();
}
}); //显示警报信息
alertDialog.show();
} @覆盖
公共无效onLocationChanged(地点){
} @覆盖
公共无效onProviderDisabled(字符串提供商){
} @覆盖
公共无效onProviderEnabled(字符串提供商){
} @覆盖
公共无效onStatusChanged(字符串提供商,INT地位,捆绑演员){
} @覆盖
公众的IBinder onBind(意向为arg0){
返回null;
}}
的main.xml
<?XML版本=1.0编码=UTF-8&GT?;
<的RelativeLayout的xmlns:机器人=http://schemas.android.com/apk/res/android
机器人:layout_width =FILL_PARENT
机器人:layout_height =FILL_PARENT
机器人:方向=垂直> <按钮机器人:ID =@ + ID / btnShowLocation
机器人:layout_width =WRAP_CONTENT
机器人:layout_height =WRAP_CONTENT
机器人:文本=显示的位置
机器人:layout_centerVertical =真
机器人:layout_centerHorizontal =真/> <切换按钮
机器人:ID =@ + ID / GPS
机器人:layout_width =WRAP_CONTENT
机器人:layout_height =WRAP_CONTENT
机器人:layout_above =@ + ID / btnShowLocation
机器人:layout_alignRight =@ + ID / btnShowLocation
机器人:layout_marginBottom =49dp
机器人:layout_marginRight =72dp
机器人:文字=GPS
/> <切换按钮
机器人:ID =@ + ID / WIFI
机器人:layout_width =WRAP_CONTENT
机器人:layout_height =WRAP_CONTENT
机器人:layout_alignBaseline =@ + ID / GPS
机器人:layout_alignBottom =@ + ID / GPS
机器人:layout_alignLeft =@ + ID / btnShowLocation
机器人:layout_marginLeft =79dp
机器人:文字=WIFI/> <的TextView
机器人:ID =@ + ID / textView1
机器人:layout_width =WRAP_CONTENT
机器人:layout_height =WRAP_CONTENT
机器人:layout_above =@ + ID / GPS
机器人:layout_alignLeft =@ + ID / btnShowLocation
机器人:文字=GPS
机器人:TEXTSIZE =15sp/> <的TextView
机器人:ID =@ + ID / textView2
机器人:layout_width =WRAP_CONTENT
机器人:layout_height =WRAP_CONTENT
机器人:layout_alignBaseline =@ + ID / textView1
机器人:layout_alignBottom =@ + ID / textView1
机器人:layout_marginLeft =61dp
机器人:layout_toRightOf =@ + ID / textView1
机器人:文字=WIFI
机器人:TEXTSIZE =15sp/>< / RelativeLayout的>
iam new to android development.
i have tried to get location address using web service but i got class not found exception when i lunched this code.if any one could please suggest me proper solution for this..
code for service class....
public class MWService extends Service implements LocationListener {
private LocationManager myLocationManager;
private LocationProvider myLocationProvider;
private NotificationManager myNotificationManager;
private long frequency;
private double total_distance = 0;
private Location currentLocation;
public static final String BROADCAST_ACTION = "com.motorvehicle.android";
private final Handler handler = new Handler();
Intent intent;
private GeocoderHelper geocoder = new GeocoderHelper();
private boolean isStart=true;
private Location startLocation,endLocation;
private String startAddress="";
private String endAddress="";
private JSONArray jarray = new JSONArray();
private boolean isInternet;
//private final Handler handler = new Handler();
public void onLocationChanged(Location newLocation) {
try {
System.out.println("latitude current :"+currentLocation.getLatitude());
System.out.println("latitude current :"+currentLocation.getLongitude());
System.out.println("latitude new :"+newLocation.getLatitude());
System.out.println("latitude new :"+newLocation.getLongitude());
System.out.println("distance total :"+total_distance);
//System.out.println(distance(22.306813, 73.180239,22.301016, 73.177986, 'K') + " Kilometers\n");
double diff = 0.0;
diff = currentLocation.getLatitude()- newLocation.getLatitude();
System.out.println("difference ::"+diff);
if(diff != 0){
total_distance = total_distance + currentLocation.distanceTo(newLocation);
}
if(isStart){
isStart = false;
startLocation = newLocation;
/* if(InternetAvailable()){
//startAddress = geocoder.fetchCityName(getApplicationContext(),newLocation);
System.out.println("start address:"+startAddress);
}*/
}else{
endLocation = newLocation;
/*if(InternetAvailable()){
//endAddress = geocoder.fetchCityName(getApplicationContext(),newLocation);
System.out.println("endAddress :"+endAddress);
}*/
}
currentLocation = newLocation;
} catch (Exception e) {
currentLocation = newLocation;
e.printStackTrace();
}
}
public boolean InternetAvailable() {
Thread t = new Thread(new Runnable() {
@Override
public void run() {
// while(isStopMe){
System.out.println("This is inside ................. :");
try {
if (!checkConnection()) {
System.out.println("No Internet Connectivity");
isInternet = false;
System.out.println("First");
} else {
if (inetAddr()) {
System.out.println("Net Connectivity is Present");
isInternet = true;
System.out.println("Second");
} else {
if (mobileConnect()) {
System.out.println("THIRD");
if (inetAddr()) {
System.out
.println("Net Connectivity is Present");
isInternet = true;
System.out.println("FOURTH");
} else {
System.out
.println("No Internet Connectivity");
isInternet = false;
System.out.println("FIFTH");
}
} else {
System.out.println("No Internet Connectivity");
isInternet = false;
System.out.println("SIX");
}
}
}
} catch (Exception ex) {
System.out.println("Leak ko catch");
}
}
});
t.start();
try {
t.join();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return isInternet;
}
public boolean checkConnection() {
boolean connected = false;
ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
if (cm != null) {
NetworkInfo[] netInfo = cm.getAllNetworkInfo();
for (NetworkInfo ni : netInfo) {
if ((ni.getTypeName().equalsIgnoreCase("WIFI") || ni
.getTypeName().equalsIgnoreCase("MOBILE"))
& ni.isConnected() & ni.isAvailable()) {
connected = true;
}
}
}
return connected;
}
public boolean inetAddr() {
boolean x1 = false;
try {
Socket s = new Socket();
s.connect(new InetSocketAddress("ntp-nist.ldsbc.edu",37),3000);
InputStream is = s.getInputStream();
Scanner scan = new Scanner(is);
while(scan.hasNextLine()){
System.out.println(scan.nextLine());
x1 = true;
}
} catch (IOException e) {
x1 = false;
}
return x1;
}
public boolean mobileConnect() {
boolean conn = false;
ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo activeNet = cm
.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
if (activeNet != null) {
conn = true;
} else {
conn = false;
}
return conn;
}
@SuppressWarnings("deprecation")
private void myNotify(String text) {
Notification notif = new Notification(R.drawable.ic_launcher, text, System
.currentTimeMillis());
PendingIntent contentIntent = PendingIntent.getActivity(this, 0,new Intent(this, MainActivity.class), 0);
notif.setLatestEventInfo(this, "MotorVehicleApp", text, contentIntent);
// notif.defaults = Notification.DEFAULT_VIBRATE;
myNotificationManager.notify((int) System.currentTimeMillis(), notif);
}
@Override
public void onCreate() {
super.onCreate();
String provider = Settings.Secure.getString(getContentResolver(), Settings.Secure.LOCATION_PROVIDERS_ALLOWED);
if(!provider.contains("gps")){ //if gps is disabled
final Intent poke = new Intent();
poke.setClassName("com.android.settings", "com.android.settings.widget.SettingsAppWidgetProvider");
poke.addCategory(Intent.CATEGORY_ALTERNATIVE);
poke.setData(Uri.parse("3"));
sendBroadcast(poke);
}
intent = new Intent(BROADCAST_ACTION);
android.util.Log.d("MWD", "creating");
myLocationManager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);
System.out.println("location manager:"+myLocationManager.getAllProviders());
myLocationProvider = myLocationManager.getProvider("gps");
myNotificationManager = (NotificationManager) this.getSystemService(Context.NOTIFICATION_SERVICE);
updatePreferences();
handler.post(new Runnable() {
@Override public void run() {
Toast.makeText(getApplicationContext(), "Address:"+startAddress, Toast.LENGTH_LONG).show(); } });
}
public void updatePreferences() {
// sync local variables with preferences
android.util.Log.d("NWD", "updating preferences");
frequency = 10;
// update the LM with the new frequency
myLocationManager.removeUpdates(this);
myLocationManager.requestLocationUpdates(myLocationProvider.getName(),frequency, 0, this);
}
@Override
public void onDestroy() {
super.onDestroy();
/////------set edittext editable
android.util.Log.d("NWD", "destroying");
System.out.println("Inside on destroy of MWService");
myLocationManager.removeUpdates(this);
//myNotify("stopping");
InsertTripDetails_AsyncTask insert = new InsertTripDetails_AsyncTask();
insert.execute();
String provider = Settings.Secure.getString(getContentResolver(), Settings.Secure.LOCATION_PROVIDERS_ALLOWED);
if(provider.contains("gps")){ //if gps is enabled
final Intent poke = new Intent();
poke.setClassName("com.android.settings", "com.android.settings.widget.SettingsAppWidgetProvider");
poke.addCategory(Intent.CATEGORY_ALTERNATIVE);
poke.setData(Uri.parse("3"));
sendBroadcast(poke);
}
handler.removeCallbacks(sendUpdatesToUI);
}
@SuppressWarnings("deprecation")
@Override
public void onStart(Intent intent, int startId) {
super.onStart(intent, startId);
android.util.Log.d("NWD", "starting");
currentLocation = myLocationManager.getLastKnownLocation(myLocationProvider.getName());
//myNotify("starting");
handler.postDelayed(sendUpdatesToUI, 3000); // 1 sec
}
private Runnable sendUpdatesToUI = new Runnable() {
public void run() {
System.out.println("total_distance::"+total_distance);
intent.putExtra("distance",(total_distance/1000));
sendBroadcast(intent);
handler.postDelayed(this, 3000);
}
};
public void onProviderDisabled(String arg0) {
}
public void onProviderEnabled(String arg0) {
}
public void onStatusChanged(String arg0, int arg1, Bundle arg2) {
}
@Override
public IBinder onBind(Intent arg0) {
return null; // this is for heavy IPC, not used
}
private class InsertTripDetails_AsyncTask extends AsyncTask<String, Void, String> {
@Override
protected String doInBackground(String... urls) {
try {
try {
//InternetAvailable()
if(InternetAvailable()){
startAddress = geocoder.fetchCityName(getApplicationContext(),startLocation);
System.out.println("start address:"+startAddress);
endAddress = geocoder.fetchCityName(getApplicationContext(),endLocation);
System.out.println("end address:"+endAddress);
}else{
System.out.println("internet not available");
}
// Internet not available when data are store in latitude and longitute format
if(startAddress.equalsIgnoreCase("") && endAddress.equalsIgnoreCase("")){
DecimalFormat sd = new DecimalFormat("##.##");
System.out.println("1 lat:"+sd.format(startLocation.getLatitude()) +" long:"+sd.format(startLocation.getLongitude())+",lat:"+sd.format(endLocation.getLatitude()) +" long:"+sd.format(endLocation.getLongitude()));
}else if(startAddress.equalsIgnoreCase("")){
DecimalFormat sd = new DecimalFormat("##.##");
System.out.println("2 lat:"+sd.format(startLocation.getLatitude()) +" long:"+sd.format(startLocation.getLongitude())+","+endAddress);
}else if(endAddress.equalsIgnoreCase("")){
DecimalFormat sd = new DecimalFormat("##.##");
try {
System.out.println(startAddress+",3 lat:"+sd.format(endLocation.getLatitude()) +" long:"+sd.format(endLocation.getLongitude()));
} catch (Exception e) {
e.printStackTrace();
}
}
else{
System.out.println(startAddress+" "+ endAddress);
}
} catch (Exception e) {
e.printStackTrace();
}
} catch (Exception e) {
e.printStackTrace();
System.out.println("In catch of webservice thus no internet");
}
return "dfs";
}
@Override
protected void onPostExecute(String result) {
}
}
}
code for geocoder class
public class GeocoderHelper
{
private static final AndroidHttpClient ANDROID_HTTP_CLIENT = AndroidHttpClient.newInstance(GeocoderHelper.class.getName());
private String address="";
private Location i_Location;
private Context i_Context;
public String fetchCityName(final Context contex, final Location location)
{
i_Location = location;
i_Context = contex;
try {
return new Address().execute().get();
} catch (Exception e) {
return address;
}
}
public class Address extends AsyncTask<Void, Void, String>
{
@SuppressWarnings("unused")
@Override
protected String doInBackground(Void... params)
{
String cityName = null;
if (Geocoder.isPresent())
{
try
{
System.out.println("location latitude is"+i_Location.getLatitude());
System.out.println("location longitude is"+i_Location.getLongitude());
Geocoder geocoder = new Geocoder(i_Context, Locale.getDefault());
List<android.location.Address> addresses = geocoder.getFromLocation(i_Location.getLatitude(), i_Location.getLongitude(), 1);
if (addresses.size() > 0)
{
//cityName = addresses.get(0).getLocality();
address = addresses.get(0).getLocality();
System.out.println("geocoder inside present address is"+address);
}
}
catch (Exception ignored)
{
// after a while, Geocoder start to trhow "Service not availalbe" exception. really weird since it was working before (same device, same Android version etc..
}
}
if (cityName != null) // i.e., Geocoder succeed
{
return cityName;
}
else // i.e., Geocoder failed
{
return fetchCityNameUsingGoogleMap();
}
}
// Geocoder failed :-(
// Our B Plan : Google Map
private String fetchCityNameUsingGoogleMap()
{
try
{
String googleMapUrl = "http://maps.googleapis.com/maps/api/geocode/json?latlng=" + i_Location.getLatitude() + ","
+ i_Location.getLongitude() + "&sensor=false&language=fr";
JSONObject googleMapResponse = new JSONObject(ANDROID_HTTP_CLIENT.execute(new HttpGet(googleMapUrl),
new BasicResponseHandler()));
// many nested loops.. not great -> use expression instead
// loop among all results
JSONArray results = (JSONArray) googleMapResponse.get("results");
for (int i = 0; i < results.length(); i++)
{
// loop among all addresses within this result
JSONObject result = results.getJSONObject(i);
address = result.getString("formatted_address");
System.out.println("map address:"+address);
break;
/* if (result.has("address_components"))
{
JSONArray addressComponents = result.getJSONArray("address_components");
// loop among all address component to find a 'locality' or 'sublocality'
for (int j = 0; j < addressComponents.length(); j++)
{
JSONObject addressComponent = addressComponents.getJSONObject(j);
if (result.has("types"))
{
JSONArray types = addressComponent.getJSONArray("types");
// search for locality and sublocality
String cityName = null;
String ROUTE= null;
for (int k = 0; k < types.length(); k++)
{
if ("locality".equals(types.getString(k)) && cityName == null)
{
if (addressComponent.has("long_name"))
{
cityName = addressComponent.getString("long_name");
}
else if (addressComponent.has("short_name"))
{
cityName = addressComponent.getString("short_name");
}
}
if ("sublocality".equals(types.getString(k)))
{
if (addressComponent.has("long_name"))
{
cityName = addressComponent.getString("long_name");
}
else if (addressComponent.has("short_name"))
{
cityName = addressComponent.getString("short_name");
}
}
}
if (cityName != null)
{
address = cityName;
return cityName;
}
}
}
}*/
}
}
catch (Exception ignored)
{
ignored.printStackTrace();
}
return address;
}
protected void onPostExecute(String result)
{
super.onPostExecute(result);
}
}
}
code for MAinActivity class
public class MainActivity extends Activity {
//private final Handler handler = new Handler();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
startService(new Intent(MainActivity.this,MWService.class));
}
@Override
protected void onPause() {
super.onPause();
stopService(new Intent(MainActivity.this,MWService.class));
}
}
i have use permission in my menifest file for both internet and AccessFineLocation
my logcat msg.....
10-31 13:40:41.937: ERROR/AndroidRuntime(825): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.example.address2/com.example.android.MainActivity}: java.lang.ClassNotFoundException: com.example.android.MainActivity in loader dalvik.system.PathClassLoader[/data/app/com.example.address2-1.apk]
10-31 13:40:41.937: ERROR/AndroidRuntime(825): Caused by: java.lang.ClassNotFoundException: com.example.android.MainActivity in loader dalvik.system.PathClassLoader[/data/app/com.example.address2-1.apk]
code for my menifest file....
<uses-sdk
android:minSdkVersion="10"
android:targetSdkVersion="17" />
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.android.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>
<service android:name="MWService"></service>
</application>
Use my Code. I have successfully found my current address using coordinates but for that you have to enable wifi and gps. first add all these permissions in your android manifest file
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
AndroidGPSTrackingActivity.java*
package com.example.gpstracking;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.List;
import java.util.Locale;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.location.Address;
import android.location.Geocoder;
import android.location.LocationManager;
import android.net.ConnectivityManager;
import android.net.Uri;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.view.View;
import android.webkit.WebView;
import android.widget.Button;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.Toast;
import android.widget.ToggleButton;
public class AndroidGPSTrackingActivity extends Activity {
Button btnShowLocation;
// GPSTracker class
GPSTracker gps;
ToggleButton gpstoggle,wifitoggle,datatoggle;
static WifiManager wifiManager;
LocationManager lm;
WebView web;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
btnShowLocation = (Button) findViewById(R.id.btnShowLocation);
gpstoggle = (ToggleButton) findViewById(R.id.gps);
wifitoggle = (ToggleButton) findViewById(R.id.wifi);
wifiManager = (WifiManager) this.getSystemService(Context.WIFI_SERVICE);
lm = (LocationManager) getSystemService(LOCATION_SERVICE);
//gps toggle
gpstoggle.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if(isChecked){
final Intent poke = new Intent();
poke.setClassName("com.android.settings", "com.android.settings.widget.SettingsAppWidgetProvider");
poke.addCategory(Intent.CATEGORY_ALTERNATIVE);
poke.setData(Uri.parse("3"));
getApplicationContext().sendBroadcast(poke);
}
else{
final Intent poke = new Intent();
poke.setClassName("com.android.settings", "com.android.settings.widget.SettingsAppWidgetProvider");
poke.addCategory(Intent.CATEGORY_ALTERNATIVE);
poke.setData(Uri.parse("3"));
getApplicationContext().sendBroadcast(poke);
}
}
});
//wifi toggle
wifitoggle.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if(isChecked){
wifiManager.setWifiEnabled(true);
}
else{
wifiManager.setWifiEnabled(false);
}
}
});
//data toggle
datatoggle.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if(isChecked){
ConnectivityManager dataManager;
dataManager = (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE);
Method dataMtd = null;
try {
dataMtd = ConnectivityManager.class.getDeclaredMethod("setMobileDataEnabled", boolean.class);
dataMtd.setAccessible(true);
dataMtd.invoke(dataManager, true);
} catch (NoSuchMethodException e1) {
e1.printStackTrace();
}
catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
}
catch (SecurityException e) {
e.printStackTrace();
}
}
else{
ConnectivityManager dataManager;
dataManager = (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE);
Method dataMtd = null;
try {
dataMtd = ConnectivityManager.class.getDeclaredMethod("setMobileDataEnabled", boolean.class);
dataMtd.setAccessible(false);
dataMtd.invoke(dataManager, false);
} catch (NoSuchMethodException e1) {
e1.printStackTrace();
}
catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
}
catch (SecurityException e) {
e.printStackTrace();
}
}
}
});
// show location button click event
btnShowLocation.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
// create class object
gps = new GPSTracker(AndroidGPSTrackingActivity.this);
// check if GPS enabled
if(gps.canGetLocation()){
double latitude = gps.getLatitude();
double longitude = gps.getLongitude();
Geocoder gcd = new Geocoder(getApplicationContext(), Locale.getDefault());
List<Address> addresses = null;
try {
addresses = gcd.getFromLocation(latitude, longitude, 1);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if(!(addresses == null)){
if (!addresses.isEmpty() ){
System.out.println(addresses.get(0).getLocality());
Address address = addresses.get(0);
String addressText = String.format("%s, %s, %s, %s, %s, %s",
address.getAddressLine(0),
address.getAddressLine(1),
address.getAddressLine(2),
address.getAddressLine(3),
address.getPhone(),
address.getPremises());
System.out.println(addressText);
// \n is for new line
Toast.makeText(getApplicationContext(), "Your Location is - \nLat: " + latitude + "\nLong: " + longitude, Toast.LENGTH_LONG).show();
}else{
// can't get location
// GPS or Network is not enabled
// Ask user to enable GPS/network in settings
gps.showSettingsAlert();
}
}else{
// can't get location
// GPS or Network is not enabled
// Ask user to enable GPS/network in settings
gps.showSettingsAlert();
}
}
}
});
}
}
GPSTracker.java
package com.example.gpstracking;
import android.app.AlertDialog;
import android.app.Service;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.os.IBinder;
import android.provider.Settings;
import android.util.Log;
import android.widget.Toast;
public class GPSTracker extends Service implements LocationListener {
private final Context mContext;
// flag for GPS status
boolean isGPSEnabled = false;
// flag for GPS status
boolean canGetLocation = false;
Location location; // location
double latitude; // latitude
double longitude; // longitude
// The minimum distance to change Updates in meters
private static final long MIN_DISTANCE_CHANGE_FOR_UPDATES = 10; // 10 meters
// The minimum time between updates in milliseconds
private static final long MIN_TIME_BW_UPDATES = 1000 * 60 * 1; // 1 minute
// Declaring a Location Manager
protected LocationManager locationManager;
public GPSTracker(Context context) {
this.mContext = context;
getLocation();
}
public Location getLocation() {
try {
locationManager = (LocationManager) mContext.getSystemService(LOCATION_SERVICE);
// getting GPS status
isGPSEnabled = locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER);
// getting network status
boolean wifiEnabled = AndroidGPSTrackingActivity.wifiManager.isWifiEnabled();
ConnectivityManager cm = (ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
this.canGetLocation = true;
// if DATA Enabled get lat/long using WIFI Services
if (activeNetwork.isConnected()) {
locationManager.requestLocationUpdates(
LocationManager.NETWORK_PROVIDER,
MIN_TIME_BW_UPDATES,
MIN_DISTANCE_CHANGE_FOR_UPDATES, this);
Log.d("Network", "Network");
if (locationManager != null) {
location = locationManager
.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
}
}
// if WIFI Enabled get lat/long using WIFI Services
if (wifiEnabled) {
locationManager.requestLocationUpdates(
LocationManager.NETWORK_PROVIDER,
MIN_TIME_BW_UPDATES,
MIN_DISTANCE_CHANGE_FOR_UPDATES, this);
Log.d("Network", "Network");
if (locationManager != null) {
location = locationManager
.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
}
}
// if GPS Enabled get lat/long using GPS Services
if (isGPSEnabled) {
if (location == null) {
locationManager.requestLocationUpdates(
LocationManager.GPS_PROVIDER,
MIN_TIME_BW_UPDATES,
MIN_DISTANCE_CHANGE_FOR_UPDATES, this);
Log.d("GPS Enabled", "GPS Enabled");
if (locationManager != null) {
location = locationManager
.getLastKnownLocation(LocationManager.GPS_PROVIDER);
}
}
}
if (location != null) {
latitude = location.getLatitude();
longitude = location.getLongitude();
}
} catch (Exception e) {
e.printStackTrace();
}
return location;
}
/**
* Stop using GPS listener
* Calling this function will stop using GPS in your app
* */
public void stopUsingGPS(){
if(locationManager != null){
locationManager.removeUpdates(GPSTracker.this);
}
}
/**
* Function to get latitude
* */
public double getLatitude(){
if(location != null){
latitude = location.getLatitude();
}
// return latitude
return latitude;
}
/**
* Function to get longitude
* */
public double getLongitude(){
if(location != null){
longitude = location.getLongitude();
}
// return longitude
return longitude;
}
/**
* Function to check GPS/wifi enabled
* @return boolean
* */
public boolean canGetLocation() {
return this.canGetLocation;
}
/**
* Function to show settings alert dialog
* On pressing Settings button will lauch Settings Options
* */
public void showSettingsAlert(){
AlertDialog.Builder alertDialog = new AlertDialog.Builder(mContext);
// Setting Dialog Title
alertDialog.setTitle("GPS is settings");
// Setting Dialog Message
alertDialog.setMessage("GPS is not enabled. Do you want to go to settings menu?");
// On pressing Settings button
alertDialog.setPositiveButton("Settings", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,int which) {
Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
mContext.startActivity(intent);
}
});
// on pressing cancel button
alertDialog.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.cancel();
}
});
// Showing Alert Message
alertDialog.show();
}
@Override
public void onLocationChanged(Location location) {
}
@Override
public void onProviderDisabled(String provider) {
}
@Override
public void onProviderEnabled(String provider) {
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
}
@Override
public IBinder onBind(Intent arg0) {
return null;
}
}
main.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<Button android:id="@+id/btnShowLocation"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Show Location"
android:layout_centerVertical="true"
android:layout_centerHorizontal="true"/>
<ToggleButton
android:id="@+id/gps"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@+id/btnShowLocation"
android:layout_alignRight="@+id/btnShowLocation"
android:layout_marginBottom="49dp"
android:layout_marginRight="72dp"
android:text="GPS"
/>
<ToggleButton
android:id="@+id/wifi"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBaseline="@+id/gps"
android:layout_alignBottom="@+id/gps"
android:layout_alignLeft="@+id/btnShowLocation"
android:layout_marginLeft="79dp"
android:text="WIFI" />
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@+id/gps"
android:layout_alignLeft="@+id/btnShowLocation"
android:text="GPS"
android:textSize="15sp" />
<TextView
android:id="@+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBaseline="@+id/textView1"
android:layout_alignBottom="@+id/textView1"
android:layout_marginLeft="61dp"
android:layout_toRightOf="@+id/textView1"
android:text="WIFI"
android:textSize="15sp" />
</RelativeLayout>
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