Android 安卓:安卓服务迫使应用程序运行缓慢
我在谷歌上搜索过很多次,也试图通过问这样的问题来寻求解决方案。但是还没有帮助。因此,我认为我的代码中可能存在一些问题 我的应用程序的主要格言是每分钟跟踪gps位置并发送到服务器。还有一些服务器事务。所以我想启动一个后台服务,通过asynctask完成所有gps和服务器的工作。应用程序正在运行,但执行速度太慢了 在这里,我开始了我的主要活动:Android 安卓:安卓服务迫使应用程序运行缓慢,android,service,android-asynctask,gps,Android,Service,Android Asynctask,Gps,我在谷歌上搜索过很多次,也试图通过问这样的问题来寻求解决方案。但是还没有帮助。因此,我认为我的代码中可能存在一些问题 我的应用程序的主要格言是每分钟跟踪gps位置并发送到服务器。还有一些服务器事务。所以我想启动一个后台服务,通过asynctask完成所有gps和服务器的工作。应用程序正在运行,但执行速度太慢了 在这里,我开始了我的主要活动: private void startworks() { Calendar cal = Calendar.getInstance();
private void startworks() {
Calendar cal = Calendar.getInstance();
Intent intent = new Intent(this, NewService.class);
PendingIntent pintent = PendingIntent.getService(this, 0, intent, 0);
alarm.setRepeating(AlarmManager.RTC_WAKEUP, cal.getTimeInMillis(),
45 * 1000, pintent);
}
@Override
protected void onStart() {
super.onStart();
startworks();
}
关于我的服务,我在这里提供全部服务
public class NewService extends Service {
String servicestring;
String lastId = "";
String holdLastId = "";
private static final String NotificationUrl = "some url";
private static final double LATITUDE = 12.9056742;
private static final double LONGITUDE = 77.6512342;
public static final int MSG_INCREMENT = 1;
public static final int MSG_COUNTER = 2;
private final IBinder mBinder = new ServiceBinder();
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
toggleGPSOn();
sendnotification();
WifiManager wm = (WifiManager) getSystemService(WIFI_SERVICE);
if (!wm.isWifiEnabled()) {
wm.setWifiEnabled(true);
} else {
// wm.setWifiEnabled(false);
}
// ************************Fetch InTime*******************************
AsyncTime getDate = new AsyncTime();
String returnedDateTime = "";
try {
returnedDateTime = getDate.execute().get();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (ExecutionException e) {
e.printStackTrace();
}
if (returnedDateTime.equals("2013-09-18 14:11:01.000")) {
Toast.makeText(this, "It exits", Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(this, "It doesn't exits", Toast.LENGTH_SHORT).show();
}
// *****************************----****************************************
FetchCordinates async = new FetchCordinates();
async.execute();
return START_STICKY;
}
public class ServiceBinder extends Binder {
NewService getService() {
return NewService.this;
}
}
@Override
public IBinder onBind(Intent intent) {
return mBinder;
}
public void setAlarmReminder(Calendar c) {
new AlarmReminderTask(this, c).run();
}
private void toggleGPSOn() {
String provider = Settings.Secure.getString(getContentResolver(),
Settings.Secure.LOCATION_PROVIDERS_ALLOWED);
if (!provider.contains("gps")) {
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);
}
}
public class FetchCordinates extends AsyncTask<String, Integer, String> {
public double lati = 0.0;
public double longi = 0.0;
String serverLatitude = "";
String serverLongitude = "";
String dateString;
public LocationManager mLocationManager;
public MyLocationListener mVeggsterLocationListener;
@Override
protected void onPreExecute() {
Criteria myCriteria = new Criteria();
myCriteria.setAccuracy(Criteria.ACCURACY_MEDIUM);
myCriteria.setPowerRequirement(Criteria.POWER_LOW);
mVeggsterLocationListener = new MyLocationListener();
mLocationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
String myProvider = mLocationManager.getBestProvider(myCriteria,
true);
mLocationManager.requestLocationUpdates(myProvider, 500, 5,
mVeggsterLocationListener);
}
private double distance(double lat1, double lon1, double lat2,
double lon2) {
double theta = lon1 - lon2;
double dist = Math.sin(deg2rad(lat1)) * Math.sin(deg2rad(lat2))
+ Math.cos(deg2rad(lat1)) * Math.cos(deg2rad(lat2))
* Math.cos(deg2rad(theta));
dist = Math.acos(dist);
dist = rad2deg(dist);
dist = dist * 60 * 1.1515;
return (dist);
}
private double deg2rad(double deg) {
return (deg * Math.PI / 180.0);
}
private double rad2deg(double rad) {
return (rad * 180.0 / Math.PI);
}
public double round(double unrounded) {
BigDecimal bd = new BigDecimal(unrounded * 1.609344f);
BigDecimal rounded = bd.setScale(1, BigDecimal.ROUND_CEILING);
Log.d("Distance Is:", "Currentlly you are " + rounded.doubleValue()
* 1000 + " meters " + "distance from Last Distance");
return rounded.doubleValue() * 1000;
}
@Override
protected String doInBackground(String... params) {
while (this.lati == 0.0) {
}
return null;
}
public class MyLocationListener implements LocationListener {
@Override
public void onLocationChanged(Location location) {
try {
SimpleDateFormat fmt = new SimpleDateFormat(
"dd-MM-yyyy-HH:mm:ss");
Date date = new Date();
dateString = fmt.format(date);
Log.d("DateString", dateString);
lati = location.getLatitude();
longi = location.getLongitude();
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public void onProviderDisabled(String provider) {
Log.i("OnProviderDisabled", "OnProviderDisabled");
}
@Override
public void onProviderEnabled(String provider) {
Log.i("onProviderEnabled", "onProviderEnabled");
}
@Override
public void onStatusChanged(String provider, int status,
Bundle extras) {
Log.i("onStatusChanged", "onStatusChanged");
}
}
@Override
protected void onCancelled() {
mLocationManager.removeUpdates(mVeggsterLocationListener);
}
@Override
protected void onPostExecute(String result) {
Log.d("Post Execute", "Executed");
super.onPostExecute(result);
float[] arr = new float[30];
if (round(distance(LATITUDE, LONGITUDE, lati, longi)) < 500) {
Log.d("OnPostExecute", "In");
sendServiceActiveBroadcast(true);
Thread swipeInThread = new Thread() {
@Override
public void run() {
super.run();
try {
HttpClient client = new DefaultHttpClient();
HttpPost post = new HttpPost(
"url...");
HttpResponse responses = client.execute(post);
int status = responses.getStatusLine()
.getStatusCode();
Log.d("Status", String.valueOf(status));
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
};
swipeInThread.start();
} else if (round(distance(LATITUDE, LONGITUDE, lati, longi)) > 500
&& round(distance(LATITUDE, LONGITUDE, lati, longi)) < 600) {
Log.d("OnPostExecute", "Out");
sendServiceActiveBroadcast(false);
} else {
}
}
private final void sendServiceActiveBroadcast(final boolean pActivate) {
final Intent _intent = new Intent();
_intent.setAction(BROADCAST_ACTION);
_intent.putExtra("isactive", pActivate);
NewService.this.sendBroadcast(_intent);
}
}
class AsyncTime extends AsyncTask<Void, Void, String> {
@Override
protected String doInBackground(Void... v) {
String getDateTime = "";
try {
HttpClient client = new DefaultHttpClient();
HttpGet get = new HttpGet(
"url..");
HttpResponse responses = client.execute(get);
int status = responses.getStatusLine().getStatusCode();
Log.d("Status For Get", String.valueOf(status));
BufferedReader bf = new BufferedReader(new InputStreamReader(
responses.getEntity().getContent()));
String datas = "";
while ((datas = bf.readLine()) != null) {
Log.d("data", datas);
try {
JSONObject jsonStuffs = new JSONObject(datas);
getDateTime = jsonStuffs.getString("inTime");
} catch (JSONException e) {
e.printStackTrace();
}
}
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return getDateTime;
}
}
公共类新闻服务扩展服务{
字符串服务字符串;
字符串lastId=“”;
字符串holdLastId=“”;
私有静态最终字符串NotificationUrl=“some url”;
私人静态最终双纬度=12.9056742;
私有静态最终双经度=77.6512342;
公共静态最终int MSG_增量=1;
公共静态最终int MSG_计数器=2;
私有最终IBinder mBinder=新ServiceBinder();
@凌驾
公共int onStartCommand(Intent Intent、int标志、int startId){
toggleGPSOn();
发送通知();
WifiManager wm=(WifiManager)getSystemService(WIFI_服务);
如果(!wm.isWifiEnabled()){
wm.setWifiEnabled(真);
}否则{
//wm.setWifiEnabled(false);
}
//***************************************请准时取*******************************
AsyncTime getDate=新建AsyncTime();
字符串returnedDateTime=“”;
试一试{
returnedDateTime=getDate.execute().get();
}捕捉(中断异常e){
e、 printStackTrace();
}捕获(执行例外){
e、 printStackTrace();
}
如果(returnedDateTime.equals(“2013-09-1814:11:01.000”)){
Toast.makeText(这个“It exits”,Toast.LENGTH_SHORT).show();
}否则{
Toast.makeText(这个“它不存在”,Toast.LENGTH_SHORT.show();
}
// *****************************----****************************************
FetchCordinates async=新的FetchCordinates();
execute();
返回开始时间;
}
公共类ServiceBinder扩展了Binder{
NewService getService(){
返回NewService.this;
}
}
@凌驾
公共IBinder onBind(意向){
返回mBinder;
}
公共作废设置报警提醒(日历c){
新建AlarmReminderTask(this,c).run();
}
私有void toggleGPSOn(){
字符串提供程序=Settings.Secure.getString(getContentResolver(),
设置。安全。位置(允许提供程序);
如果(!provider.contains(“gps”)){
最终意图=新意图();
poke.setClassName(“com.android.settings”,
“com.android.settings.widget.SettingsAppWidgetProvider”);
poke.addCategory(意向、类别和备选方案);
setData(Uri.parse(“3”);
发送广播(poke);
}
}
公共类FetchCordinates扩展异步任务{
公共双纬度=0.0;
公共双长=0.0;
字符串serverLatitude=“”;
字符串serverLongitude=“”;
字符串日期字符串;
公共场所经理;
公共MyLocationListener mVeggsterLocationListener;
@凌驾
受保护的void onPreExecute(){
标准myCriteria=新标准();
myCriteria.SetAccurance(Criteria.Accurance_MEDIUM);
myCriteria.setPowerRequirement(Criteria.POWER\u LOW);
mVeggsterLocationListener=新的MyLocationListener();
mLocationManager=(LocationManager)getSystemService(Context.LOCATION\u服务);
字符串myProvider=mLocationManager.getBestProvider(myCriteria,
正确的);
mLocationManager.RequestLocationUpdate(myProvider,500,5,
mVeggsterLocationListener);
}
专用双倍距离(双倍lat1、双倍lon1、双倍lat2、,
双盲法(2){
双θ=lon1-lon2;
双区=数学sin(deg2rad(lat1))*数学sin(deg2rad(lat2))
+数学cos(deg2rad(lat1))*数学cos(deg2rad(lat2))
*cos(deg2rad(θ));
dist=数学acos(dist);
dist=rad2deg(dist);
dist=dist*60*1.1515;
返回(dist);
}
专用双deg2rad(双deg){
返回值(deg*Math.PI/180.0);
}
专用双rad2deg(双rad){
返回值(rad*180.0/Math.PI);
}
公共双回合(双回合无轮){
BigDecimal bd=新的BigDecimal(未舍入*1.609344f);
BigDecimal四舍五入=bd.setScale(1,BigDecimal.ROUND_天花板);
Log.d(“距离为:”,“当前为”+四舍五入.doubleValue()
*1000+“米”+“距离上次距离”);
返回四舍五入的.doubleValue()*1000;
}
@凌驾
受保护的字符串doInBackground(字符串…参数){
而(this.lati==0.0){
}
返回null;
}
公共类MyLocationListener实现LocationListener{
@凌驾
已更改位置上的公共无效(位置){
试一试{
SimpleDataFormat fmt=新SimpleDataFormat(
“dd-MM-yyyy HH:MM:ss”);
日期=新日期();
dateString=fmt.format(日期);
Log.d(“日期字符串”,日期字符串);
lati=location.getLatitude();
longi=location.getLongitude();
}捕获(例外e){
e、 printStackTrace();
}
}
@凌驾
公共无效onProviderDisabled(字符串提供程序){
Log.i(“OnProviderDisabled”、“OnProviderDisabled”);
}
@凌驾
公共无效onProviderEnabled(字符串提供程序){
Log.i(“onProviderEnabled”、“onProviderEnabled”);
}
@凌驾
public void onStatusChanged(字符串提供程序,int状态,
捆绑(附加){
Log.i(“onStatusChanged”、“onStatusChanged”);
}
}
@凌驾
受保护voi