Posts Tagged ‘ asynchronous ’

Showing nearby places using Google Places API and Google Map Android API V2

February 26, 2013
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Showing Nearby locations in Google Map using Google Places API

In this article we will develop an Android Application which displays a set of nearby places of current location in Google Map according  to the type entered in the Spinner widget. This application makes use of Google services like Google Map Android API V2 and Google Places API. This application is developed in Eclipse...

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GPS and Google Map in Android Applications – Series

January 15, 2013
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GPS and Google Map in Android Applications

A list of Android applications with GPS and Google Map is given below : Google Maps Android API V1 Android GPS with LocationManager to get current location – Example Showing current location in Google Maps with GPS and LocationManager in Android Add marker on touched location using Google Map in Android – Example Android...

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AsyncTask Android Example

October 15, 2012
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Count Down Timer in Action

AsyncTask is a helper abstract class used to execute short operations ( few seconds ) in a non-ui thread. In other words, AsyncTask is a helper class used to create asynchronous tasks. An asynchronous task is defined by three generic types called Params, Progress and Result. Params: Params is used to send arguments to...

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Android Lazy Loading images and text in listview from http xml data

September 20, 2012
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Lazy Loading Images

In this article, we will create an Android application which will download XML data from a remote http server. Then it will parse the downloaded xml data and display it to a listview. The application will download the images find in the xml data to a temporary cache directory and will be displayed in...

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Android Lazy Loading images and text in listview from http json data

September 19, 2012
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Android Lazy Loading Images in ListView

In this article, we will create an Android application containing listview with images and text. The listview items are loaded from a remote http json object. The images and text are loaded in listview as they get downloaded to the device. The whole application can be divided in to three different processes as follows...

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Loading ListView with SDCard Thumbnail Images and displaying its Title, Size, Width and Height by merging cursors using MatrixCursor

September 5, 2012
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Showing SDCard images and text in ListView

In this article we will create an Android application to display the thumbnails of SDCard images in a listview. The details of the images such as title, size, width and height are also be displayed in the listview. The thumbnails of the images can be retrieved using the content provider android.provider.MediaStore.Images.Thumbnails. The details of...

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Showing ProgressDialog while a work in progress ( background process ) using AsyncTask in Android

September 1, 2012
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ProgressDialog in Action

In this article, we will see how to show a ProgressDialog while a work is progressing in a non-ui thread ( background ). Here the background process is executing in an AsyncTask object. This application is developed in Eclipse ( 4.2.0 ) with ADT plugin ( 20.0.3 ) and Android SDK plugin (R20.0.3 )....

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Updating ProgressBar status from a non-ui thread ( working thread ) using AsyncTask in Android

September 1, 2012
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Screenshot of the application in execution

In the article titled “Updating ProgressBar status from a non-ui thread ( working thread ) using Handler in Android“, we have seen , how to manipulate¬† a UI thread component from a non-UI thread using Handler. In this article, we will see, how to update the progress bar in a UI thread from a...

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Updating ProgressBar status from a non-ui thread ( working thread ) using Handler in Android

August 31, 2012
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progressbar_demo_on_state_featured

UI thread is the thread in which the components of an application will be executed by default. But there are some tasks which are usually executed in background ( eg : downloading files ). These background tasks are run with the help of threads in Android. These threads are called non-ui threads. An important...

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Loading thumbnail Images in a GridView and Opening original images in AlertDialog using Media Content Providers

August 21, 2012
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An Image Opened in AlertDialog

This article is an extension to the article “Asynchronously loading Image thumbnails in a GridView from an external (SD Card) storage using Media Content Providers in Android“. In this article, the thumbnails of images from the external ( SD Card ) storage is loaded in grid view using Cursor Loader. And on clicking a...

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