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Search Results for: Android

Internet of Things with Android and Arduino: Control remote Led

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This post describes how to control a remote Led using Arduino and Android. Nowadays a new emerging technology is Internet of Things (IoT): in other words all the physical objects (things)  are connected together  using internet infrastructure. Arduino is one of the most important object in this ecosystem. In this post, we will explore how to integrate Android with Arduino ...

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How to show a Toast for a specific duration in Android

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In the Android SDK, an android.widget.Toast is a small message that pops up at the bottom of the screen to display an information. The toast will disappears by itself after a specified duration. Here is an example of what a toast looks like and how to display one :           Context context = getApplicationContext(); Toast.makeText(context, "Hello ...

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Android Google map: Add weather data

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This post describes how to add weather layer to google map. We want to add weather information to a map so that we can have a look about clouds, temperature, pressure and so on. In the previous post we talked about how to get weather information and how to parse the data to create a UI, now we want to ...

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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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