android-service | 易学教程

ANDROID: email client receiver email id empty in android-parse

阅读更多关于 ANDROID: email client receiver email id empty in android-parse

问题 I\'m using android- parse server in app. below is parse db screenshot of email column . the email column is after the hidden password column in database . my problem is when i retrieve email ids to email client, email is null even if the email column has emails . note : in the app in another place (another table) i\'m pulling email ids to email client in same manner, but there mail is showing well .. only here the problem occurs. if anyone knows please help ? this is email column in parse

Android – Listen For Incoming SMS Messages

阅读更多关于 Android – Listen For Incoming SMS Messages

问题 I am trying to create an application for monitoring incoming SMS messages, and launch a program via incoming SMS, also it should read the content from the SMS. Workflow: SMS sent to Android device self executable Application Read the SMS information 回答1: public class SmsListener extends BroadcastReceiver{ private SharedPreferences preferences; @Override public void onReceive(Context context, Intent intent) { // TODO Auto-generated method stub if(intent.getAction().equals("android.provider

How to get the current location latitude and longitude in android

阅读更多关于 How to get the current location latitude and longitude in android

In my application, I get the current location's latitude and longitude when application is open, but not when the application is closed. I am using Service class to get the current location latitude and longitude in my application. Please tell me how to get the current location latitude and longitude even when application is closed Before couple of months, I created GPSTracker library to help me to get GPS locations. In case you need to view GPSTracker > getLocation Demo AndroidManifest.xml <uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="android

Recommended way / order to read data from a webservice, parse that data and insert it in a SQLite db

阅读更多关于 Recommended way / order to read data from a webservice, parse that data and insert it in a SQLite db

I'm one to start mentioning that I'm totally new to Android, I've just finished reading a quick, introductory book and now I have to implement my very first app. This app is going to be use to take orders. Among all the data I'm going to store in a local db, two tables are the most important: Customers and Articles, being the latter the largest of all the tables (aprox 20000 records) One of the main process in my app, fetches all the data that my app need to work off-line when the user press a button that starts the daily operations on the device. Well, the process consists of the following

How to startForeground() without showing notification?

阅读更多关于 How to startForeground() without showing notification?

问题 I want to create a service and make it run in the foreground. Most example codes have notifications on it. But I don\'t want to show any notification. Is that possible? Can you give me some examples? Are there any alternatives? My app service is doing mediaplayer. How to make system not kill my service except the app kill it itself (like pausing or stopping the music by button). 回答1: As a security feature of the Android platform, you cannot , under any circumstance, have a foregrounded

Difference between Service, Async Task & Thread?

阅读更多关于 Difference between Service, Async Task & Thread?

问题 What is the difference between Service, Async Task & Thread. If i am not wrong all of them are used to do some stuff in background. So, how to decide which to use and when? 回答1: Probably you already read the documentation description about them, I won't repeat them, instead I will try to give answer with my own words, hope they will help you. Service is like an Activity but has no interface. Probably if you want to fetch the weather for example you won't create a blank activity for it, for

Recommended way / order to read data from a webservice, parse that data and insert it in a SQLite db

阅读更多关于 Recommended way / order to read data from a webservice, parse that data and insert it in a SQLite db

问题 I\'m one to start mentioning that I\'m totally new to Android, I\'ve just finished reading a quick, introductory book and now I have to implement my very first app. This app is going to be use to take orders. Among all the data I\'m going to store in a local db, two tables are the most important: Customers and Articles, being the latter the largest of all the tables (aprox 20000 records) One of the main process in my app, fetches all the data that my app need to work off-line when the user

How to start Service using Alarm Manager in Android?

阅读更多关于 How to start Service using Alarm Manager in Android?

问题 In my application, I am trying to start a service using Alarm manager. When I am clicking a button service should start in a particular time which I am giving. My code for Alarm Manager is given below: public void onClick(View view) { if(view == m_btnActivate) { Calendar cur_cal = Calendar.getInstance(); cur_cal.setTimeInMillis(System.currentTimeMillis()); cur_cal.add(Calendar.SECOND, 50); Log.d(\"Testing\", \"Calender Set time:\"+cur_cal.getTime()); Intent intent = new Intent(DashboardScreen

How to execute Async task repeatedly after fixed time intervals

阅读更多关于 How to execute Async task repeatedly after fixed time intervals

问题 How to make Async task execute repeatedly after some time interval just like Timer...Actually I am developing an application that will download automatically all the latest unread greeting from the server and for that purpose I have to check for updates from server after some fixed time intervals....I know that can be easily done through timer but I want to use async task which I think is more efficient for android applications. 回答1: public void callAsynchronousTask() { final Handler handler

Background service with location listener in android

阅读更多关于 Background service with location listener in android

问题 I am creating a background service that will run in its own process. It should allow me to listen if the device location has changed. I should be able to change criteria like the distance moved before notifying the UI. How can I do the same? I have a little knowledge of service and LocationListener implementations. Any tutorials around the net would be appreciated. I got one back-link from stack overflow, but I didn\'t understand much of it. 回答1: First you need to create a Service . In that