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Search Results for: Android

NFC Android: Read NDEF Tag

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In this post we want to describe how to read NFC tag. Android SDK provides a set of API that can be used to read the NFC payload, anyway if we look at the NFC spec we can notice there are several type of payload depending on the type of the tag. Android SDK doesn’t provide any support to parse ...

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First steps with NFC in Android

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This post describes how to use NFC in Android. The NFC technology stands for Near Field Communication and you can find the specification at NFC Forum. In this first post, we will analyse some basic aspects of NFC and we will describe how we can implement an app in Android that handles NFC tags. If you want to experiment NFC, ...

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Android Text to Speech (TTS)

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This post describes how to use text to speech (TTS) in Android. It isn’t so common to find a post explaining how to use it and it is a part of Android not much covered. In my opinion, TTS is very interesting because it can add some nice features to an app. Text to Speech is a feature of Android ...

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Creating Android Apps with Groovy 2.4

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A few days ago Groovy 2.4 was released. One of the major news is that Groovy now officially supports Android application development. To see how this works I used Groovy to create a small ToDo list example application for Android. In this post I will show which steps are required to create an Android application with Groovy and how Groovy ...

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Display a string list in an Android ListView

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Showing a list of items is a very common pattern in mobile application. This pattern comes up often when I make a tutorial: I often need to interact with data, but I don’t want to send a lot of time just on displaying that data when that’s not the point of the tutorial. So, what is the easiest way to ...

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Working with Robolectric and Robotium in Android Studio and Gradle

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I develop the TripComputer App for Android but I find testing apps using the standard Android Instrumentation framework is really slow and painful. Slow testing cycles can kill productivity and are a well documented disincentive to TDD. Therefore, most Android tutorials that talk about testing bestow the virtues of switching to something like the Robolectric framework when unit testing Android apps. Robolectric is great because ...

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Parse.com anonymous and registered users (Android)

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Introduction When writing a mobile application you mostly always need a way to store the information outside of the application itself so the data is accessible to not only the application itself on a specific device, but on every device the application is installed on and perhaps even web applications. This means the application will need some sort of a ...

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Android Tips: On/Off Toggle

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When we need to give to users of our apps the ability to switch on/off a given feature, we automatically think of check boxes, toggle buttons or switches: These widgets are available to us out-of-the-box, but then we are constrained to a particular look & feel, which may or may not be what we want in our app. We could ...

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Develop android weather app with Material Design

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This post describes how to create a weather app using material design guidelines. Material Design is  a set of rules for visual design, UI interaction, motion and so on. These rules help developer when they design and create an Android app. This post wants to describe how we create a weather app using Weatherlib as weather layer and Material design ...

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