Alert dialog is used in android whenever we need to notify user about certain events in our android application. Such events include exiting of app,deleting some entry, network usage etc. We will see a simple code snippet showing the implementation of alert dialog in android as below: 1,651 total views, no views today
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In this tutorial we will see a simple example of android application having tabs with swiping screens. Previously we saw an example of just swiping views using ViewPager. Now we will use ActionBar Tabs along with ViewPager in this tutorial. Steps required for implementation: 1) Setting navigation mode of ActionBar to actionBar.NAVIGATION_MODE_TABS and adding tabs.… Read More »
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ViewPager is used to for implementing the Screen Slides. Screen slides are transitions between one entire screen to another and are common with UIs like setup wizards or slideshows as shown in the above video. Steps for implementing ViewPager: 1) A Layout(that contains ViewPager) for the MainActivity. 2) FragmentPagerAdapter/FragmentStatePagerAdapter class which controls the fragments… Read More »
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In this tutorial we will see a very simple implementation of android foreground service. A Service is an application component that can perform long-running operations in the background and does not provide a user interface. A Foreground Service in android is a background service which keeps running even after the parent application is closed. Use… Read More »
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Q)Explain Service vs intent service ? When to use? The Service can be used in tasks with no UI, but shouldn’t be too long. If you need to perform long tasks, you must use threads within Service. The IntentService can be used in long tasks usually with no communication to Main Thread. If communication is required, can use Main Thread… Read More »
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AysnTask is an inbuilt class in android which can be used for performing background operations like downloading a file, making HTTP Request and then showing the results on the UI. AsyncTask enables proper and easy use of the UI thread. This class allows to perform background operations and publish results on the UI thread without… Read More »
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In this tutorial, you will learn how to create Custom Notifications in your Android music player application. A notification is a message you can display to the user in the status bar outside of your Android application. Notifications can be clicked to perform an action or to open a new activity. We will be creating… Read More »
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In this tutorial we will learn to get the contents of any file present at some url by making http request. Use case: JSON/XML parsing : If you want to send some data from server to your android app then the data can be printed as a string in JSON/XML format. This string then can… Read More »
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In Part-1 we finished the implementation of chat interface for our android messenger. Now we will focus on implementing the client for XMPP server to send & receive chat messages using Smack API for Android. Adding library files to the project: – Download the library files for Smack API and GSON which is a library for… Read More »
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Today we will develop a chat application from scratch for android. We will use XMPP (ejabberd) hosted on aws EC2. I will be developing this app using Eclipse IDE with adt plugin. Create a new android application project in eclipse. Choose tabbed activity while creating the project.(see screenshot below) Select “Action bar tabs (with viewpager)”… Read More »
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