blocks|key|26379|text|你可以使用handler来查询位置，你可以这样做|type|unstyled|depth|inlineStyleRanges|entityRanges|data|26380|+Handler+handler+=+new+Handler();
+Runnable+runnable+=+new+Runnable()+{
++++++++public+void+run()+{
++++++++++++currentLocation+=+getCurrentUserLocation();
++++++++++++handler.postDelayed(this,+1000*60*5);
++++++++}
++++}
+};
+handler.postDelayed(runnable,+1000*60*5);|code-block|syntax|javascript|26381|为了检查时间间隔是否在之间，您可以为该任务设置一个告警管理器。|26382|一旦达到时间限制，您需要通过以下方式删除处理程序回调|26383|handleLocation.removeCallbacksAndMessages(null);|26384|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|R|8|@]|9|@]|A|$]]|$1|K|3|L|5|D|7|S|8|@]|9|@]|A|$E|F]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

Well you can use handler for querying the location, you can do something like this

<pre><code> Handler handler = new Handler();
 Runnable runnable = new Runnable() {
 public void run() {
 currentLocation = getCurrentUserLocation();
 handler.postDelayed(this, 1000*60*5);
 }
 }
 };
 handler.postDelayed(runnable, 1000*60*5);
</code></pre>

And for checking the time interval is between, you can set a Alarm manager for this task,

And once time limit is reached, you need to remove the handler callbacks by

<pre><code>handleLocation.removeCallbacksAndMessages(null);
</code></pre>

blocks|key|2694483|text|对于超过30秒的时间间隔，不应该使用Handler.postDelayer()，因为它可能会导致内存泄漏。开发两种策略-一种用于短时间间隔-少于30秒，使用处理程序；另一种使用AlarmManager+(用于较长间隔)。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2694484|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

You should not use Handler.postDelayer() for time intervals, longer than 30sec, because it may cause memory leaks. Develop a couple of strategies - one for short time intervals - less than 30 secs, which use Handler and another - with AlarmManager (for longer intervals).

blocks|key|26403|text|参考https://codelabs.developers.google.com/codelabs/background-location-updates-android-o/index.html?index=..%252F..%252Findex#0|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|26404|您可以设置更新间隔为5分钟，位置request.it也兼容安卓"O“。|26405|entityMap|0|LINK|mutability|MUTABLE|url|https://codelabs.developers.google.com/codelabs/background-location-updates-android-o/index.html?index=..%252F..%252Findex#0^0|2|3C|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]]|C|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@]|C|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]]]

refer <a href="https://codelabs.developers.google.com/codelabs/background-location-updates-android-o/index.html?index=..%2F..%2Findex#0" rel="nofollow noreferrer">https://codelabs.developers.google.com/codelabs/background-location-updates-android-o/index.html?index=..%2F..%2Findex#0</a> 

you can set update interval as 5 min in location request.it is compatible with Android "O" also.

blocks|key|26197|text|在这里我已经创建了一个服务，它以1+Minute.You的间隔提供当前位置，可以根据您的要求进行修改-|type|unstyled|depth|inlineStyleRanges|entityRanges|data|26198|在gradle文件中也添加这个-|26199|compile+'com.google.android.gms:play-services:9.4.0'|code-block|syntax|javascript|26200|LocationService.class|26201|import+android.Manifest;
import+android.app.Service;
import+android.content.Intent;
import+android.content.pm.PackageManager;
import+android.location.Location;
import+android.os.Bundle;
import+android.os.IBinder;
import+android.support.annotation.Nullable;
import+android.support.v4.app.ActivityCompat;
import+android.util.Log;

import+com.google.android.gms.common.ConnectionResult;
import+com.google.android.gms.common.api.GoogleApiClient;
import+com.google.android.gms.location.LocationListener;
import+com.google.android.gms.location.LocationRequest;
import+com.google.android.gms.location.LocationServices;

import+java.text.SimpleDateFormat;
import+java.util.Date;

public+class+LocationService+extends+Service+implements+GoogleApiClient.ConnectionCallbacks,
++++++++GoogleApiClient.OnConnectionFailedListener,+LocationListener,+ActivityCompat.OnRequestPermissionsResultCallback+{
++++protected+static+final+String+TAG+=+"location-updates";
++++private+static+final+long+day+=+24+*+60+*+60+*+1000;
++++private+static+final+long+hours+=+60+*+60+*+1000;
++++private+static+final+long+minute+=+60+*+1000;
++++private+static+final+long+fiveSec+=+5+*+1000;
++++private+GoogleApiClient+mGoogleApiClient;
++++private+LocationRequest+mLocationRequest;

++++@Override
++++public+void+onCreate()+{
++++++++super.onCreate();
++++++++mGoogleApiClient+=+new+GoogleApiClient.Builder(getApplicationContext())
++++++++++++++++.addConnectionCallbacks(this)
++++++++++++++++.addOnConnectionFailedListener(this)
++++++++++++++++.addApi(LocationServices.API)
++++++++++++++++.build();
++++++++mLocationRequest+=+new+LocationRequest();
++++++++mLocationRequest.setInterval(minute);
++++++++mLocationRequest.setFastestInterval(5000);
++++++++mLocationRequest.setSmallestDisplacement(0);

++++++++mLocationRequest.setPriority(LocationRequest.PRIORITY_BALANCED_POWER_ACCURACY);

++++++++if+(mGoogleApiClient+!=+null)+{
++++++++++++mGoogleApiClient.connect();
++++++++}
++++}


++++@Override
++++public+void+onConnected(Bundle+bundle)+{
++++++++if+(ActivityCompat.checkSelfPermission(this,+Manifest.permission.ACCESS_FINE_LOCATION)+!=+PackageManager.PERMISSION_GRANTED+&&+ActivityCompat.checkSelfPermission(this,+Manifest.permission.ACCESS_COARSE_LOCATION)+!=+PackageManager.PERMISSION_GRANTED)+{
++++++++++++return;
++++++++}
++++++++LocationServices.FusedLocationApi.requestLocationUpdates(mGoogleApiClient,+mLocationRequest,+this);
++++}


++++@Override
++++public+void+onConnectionSuspended(int+i)+{
++++++++mGoogleApiClient.connect();
++++}

++++@Override
++++public+void+onConnectionFailed(ConnectionResult+connectionResult)+{
++++}

++++//Location+Listener
++++@Override
++++public+void+onLocationChanged(final+Location+location)+{
++++++++SimpleDateFormat+sdf+=+new+SimpleDateFormat("yyyyMMdd_HHmmss");
++++++++String+currentDateandTime+=+sdf.format(new+Date());
++++++++Log.e("Location+",+location.getLatitude()+%2B+"+"+%2B+location.getLongitude()+%2B+"+"+%2B+currentDateandTime);
++++}

++++@Override
++++public+void+onDestroy()+{
++++++++super.onDestroy();
++++}

++++@Override
++++public+int+onStartCommand(Intent+intent,+int+flags,+int+startId)+{
++++++++super.onStartCommand(intent,+flags,+startId);
++++++++return+START_STICKY;
++++}


++++@Nullable
++++@Override
++++public+IBinder+onBind(Intent+intent)+{
++++++++return+null;
++++}


++++@Override
++++public+void+onRequestPermissionsResult(int+requestCode,+String+permissions[],+int[]+grantResults)+{
++++++++boolean+isGranted+=+false;
++++++++for+(int+i+=+0;+i+<+grantResults.length;+i%2B%2B)
++++++++++++if+(permissions[i].equals(Manifest.permission.ACCESS_FINE_LOCATION)+&&+(grantResults[i]+==+PackageManager.PERMISSION_GRANTED))
++++++++++++++++isGranted+=+true;
++++++++if+(isGranted)+{
++++++++++++startService(new+Intent(this,+LocationService.class));

++++++++}+else+{

++++++++}
++++}
}|26202|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|P|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|Q|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|R|8|@]|9|@]|A|$]]|$1|K|3|L|5|F|7|S|8|@]|9|@]|A|$G|H]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

Here I have created a service which gives current location at interval of 1 Minute.You can modify it as per your requirement-

Also add this in gradle file-

<pre><code>compile 'com.google.android.gms:play-services:9.4.0'
</code></pre>

LocationService.class

<pre><code>import android.Manifest;
import android.app.Service;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.location.Location;
import android.os.Bundle;
import android.os.IBinder;
import android.support.annotation.Nullable;
import android.support.v4.app.ActivityCompat;
import android.util.Log;

import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.location.LocationListener;
import com.google.android.gms.location.LocationRequest;
import com.google.android.gms.location.LocationServices;

import java.text.SimpleDateFormat;
import java.util.Date;

public class LocationService extends Service implements GoogleApiClient.ConnectionCallbacks,
 GoogleApiClient.OnConnectionFailedListener, LocationListener, ActivityCompat.OnRequestPermissionsResultCallback {
 protected static final String TAG = "location-updates";
 private static final long day = 24 * 60 * 60 * 1000;
 private static final long hours = 60 * 60 * 1000;
 private static final long minute = 60 * 1000;
 private static final long fiveSec = 5 * 1000;
 private GoogleApiClient mGoogleApiClient;
 private LocationRequest mLocationRequest;

 @Override
 public void onCreate() {
 super.onCreate();
 mGoogleApiClient = new GoogleApiClient.Builder(getApplicationContext())
 .addConnectionCallbacks(this)
 .addOnConnectionFailedListener(this)
 .addApi(LocationServices.API)
 .build();
 mLocationRequest = new LocationRequest();
 mLocationRequest.setInterval(minute);
 mLocationRequest.setFastestInterval(5000);
 mLocationRequest.setSmallestDisplacement(0);

 mLocationRequest.setPriority(LocationRequest.PRIORITY_BALANCED_POWER_ACCURACY);

 if (mGoogleApiClient != null) {
 mGoogleApiClient.connect();
 }
 }


 @Override
 public void onConnected(Bundle bundle) {
 if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED &amp;&amp; ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
 return;
 }
 LocationServices.FusedLocationApi.requestLocationUpdates(mGoogleApiClient, mLocationRequest, this);
 }


 @Override
 public void onConnectionSuspended(int i) {
 mGoogleApiClient.connect();
 }

 @Override
 public void onConnectionFailed(ConnectionResult connectionResult) {
 }

 //Location Listener
 @Override
 public void onLocationChanged(final Location location) {
 SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd_HHmmss");
 String currentDateandTime = sdf.format(new Date());
 Log.e("Location ", location.getLatitude() + " " + location.getLongitude() + " " + currentDateandTime);
 }

 @Override
 public void onDestroy() {
 super.onDestroy();
 }

 @Override
 public int onStartCommand(Intent intent, int flags, int startId) {
 super.onStartCommand(intent, flags, startId);
 return START_STICKY;
 }


 @Nullable
 @Override
 public IBinder onBind(Intent intent) {
 return null;
 }


 @Override
 public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
 boolean isGranted = false;
 for (int i = 0; i &lt; grantResults.length; i++)
 if (permissions[i].equals(Manifest.permission.ACCESS_FINE_LOCATION) &amp;&amp; (grantResults[i] == PackageManager.PERMISSION_GRANTED))
 isGranted = true;
 if (isGranted) {
 startService(new Intent(this, LocationService.class));

 } else {

 }
 }
}
</code></pre>

I want to create an App which fetch user's location in every 5 min between 9:00 AM to 9:00 PM. Now i am not able to think the flow. I am confused on:

<ol>
<li>Should i implement 2 repeating alarm managers , one for every 5 min and another one for time slot. ?</li>
<li>Or do it in a way, fire alarm every 5 min and check if it is in between time slot then only run location service and upload to server work. ? </li>
</ol>

Please help me with suggestions/advice. How to achieve this in best approach in terms of phone battery, efficiency.

Android GPS Location Periodically

服务器

我想创建一个应用程序，获取用户在上午9:00至晚上9:00每5分钟的位置现在我不能思考流程了。在上我搞不懂应该实现两个重复的报警管理器，一个用于每5分钟，另一个用于时隙。？或以某种方式，每隔5分钟发出一次火灾警报，并检查是否在时间段之间，然后只运行定位服务和上传到服务器工作。？请帮我提些建议/建议。如何在手机电池和效率方面以最好的方式实现这一点。

问Android GPS定位周期性
EN

回答 4

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