Author: Luca Zanini
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List of the sensors in a device
In December 2012 I wrote a post about an app that displays the sensor list in an android device, now after about a year and a half the API 19 have new sensor types and methods and I thought to update the app.
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Implementing the double tap on an ImageView
In this post I explain a simple example of an implementation of a double tap event on an ImageView that can be adapted with some changes for a TextView or an Activity.
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Padding and margin in DialogPreference
I implemented a Time Picker in the preference using the code found here where the class TimePreference extends the class DialogPreference but I found a lack of alignment with the other preference items because of a different setting of the margins and/or padding.
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Copying an array in java
In this post I show some ways to copy arrays of primitive data and objects to another array.
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Handling the multi-touch in a surface view
In the previous post Handling the multi-touch in a view I’ve used a class that extends a View to show the circles where the screen is touched, here I display the same example but using a SurfaceView.
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Handling the multi-touch in a view
In this post you find a full example about how to extend a view to draw, in this case, a circle where you touch the screen implement a listener on a view to handle the multi-touch
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How to change the look and feel of a view using css
A lotus view open in a browser is very ugly but you can greatly improve using stylesheets (css); here I explain how to use the css in a lotus view in order to improve the look and feel and to display rows in alternate colors.
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Running a fortran program from java
In this post I write an example about how to launch a fortran executable form a java program passing some arguments and getting back a result. The chosen example uses code written in fortran to get primes, it is from Sieve of Eratosthenes.