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Android Volley Example

1. Introduction The Android Volley library is an Android library which enables developers building application which will make requests to some sort of API Server more manageable and fast in terms of overall application performance. This library achieves this by means of two main constructs that the library makes available, namely the RequestQueue and the RequestObject. Together these two constructs make it possible to ...

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Android Toast vs Snackbar Example

1. Introduction In Android, one can use the Android Toast or the Android Snackbar to display feedback or action messages to users of an application. The Android Toast is mainly for Platform oriented messages although the Android Snackbar could be also be used for these requirements. The added advantage of using an Android Toast instead of an Android Snackbar is ...

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Android Snackbar Example

1. Introduction In this example, we will be implementing a basic Android SnackBar Activity, which will be able to display a long waiting SnackBar, a short waiting SnackBar, and an interactive SnackBar. To Trigger these different functionalities we will create 3 separate buttons for each one of the SnackBar scenarios. Further, when each one of these buttons will be clicked they ...

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Android TabLayout Example

1. Introduction In this example, we will be going through the process of creating a basic user interface using the tab layout constructs available on the Android platform. In Android, the TabLayout is a construct for better organizing a user interface. It does so by making the user interface more organized and less cluttered. This example will also explain the ...

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Android StackView Example

The Honeycomb Android version, introduced some interesting widgets with collections. One of them is the Android StackView, a stacked card view where the front view-item can be flipped to give room for the item after it. The StackView collection may be found in several widgets, because of its view behaviour. Generally, StackView is an AdapterView thus working with StackView is ...

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Android Activity Transition Example

The transitions between different Android Activites consist of animations that are used when we enter and exit a specific Activity. In this example, we are going to define simple transition animations in XML resource files and use them as simple transitions between the Android Activities of our example. All we have to do is to override the Activity.overridePendingTransition(). Let’s take ...

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Android Settings Example

During the development of mobile applications, a common requirement is of storing app related data to the phone. In Android we perform this task with the help of Preference APIs. We may also need settings that allow users to modify preferences in app. Thankfully Android provides a powerful framework to manage user preferences. The provided mechanism allows us to show, save and manipulate user’s ...

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Android ViewPager Example

One of the most popular views in Android is the ViewPager, a view that helps us slide from one “screen” to another like a “slideshow”. Android ViewPager view can be found in many cases, in tutorial or introductory screens, on tab views and galleries. We are going to create an AppCompatActivity, and we are going to add a ViewPager reference ...

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Android Start Service on Boot Example

In the mobile device world, many times, we may need to make an application that has to do some tasks in the background, without the users to have to open their application. Some easy examples are the background Location tracking, or an alarm application, or the applications that want to receive push events from a server. This can be done ...

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Android Google Maps v2 Tutorial

The great power of mobile applications software, is that it gives us the opportunity to develop many ideas that use hardware features, in order to complete simple everyday tasks. One idea that is implemented in a very good way in the mobile applications world, is the use of maps and the location based applications, that help us in multiple ways ...

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