Luca Zanini
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  • Keeping the Android screen on

    Jun 6, 2012

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    by

    Luca Zanini
    in Android

    Sometimes you prefer to keep the Android screen on also in case of prolonged inactivity, this limit is usually set at 30 seconds, beyond which the screen turns off to increase the battery life. This can be true for applications like watching movies, navigators, or even during the development phase of an application. To keep…

    Read more: Keeping the Android screen on

  • How to access to the members of outer class from inner class

    Jun 4, 2012

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    by

    Luca Zanini
    in Java

    You can’t access to the members of an outer class from an inner class using the keyword “this”. In fact, the keyword “this” in an inner class is a reference to the inner class itself. To have a reference to the outer class, you must use the syntax: [OuterClassName].this where [OuterClassName] is the name of…

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  • The android.os.NetworkOnMainThreadException exception

    May 27, 2012

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    by

    Luca Zanini
    in Android

    In this article I explain a possible cause of android.os.NetworkOnMainThreadException and how to avoid it. From the Android site you can read: NetworkOnMainThreadException The exception that is thrown when an application attempts to perform a networking operation on its main thread. This is only thrown for applications targeting the Honeycomb SDK or higher…

    Read more: The android.os.NetworkOnMainThreadException exception

  • How to add a file .jar to an Android project in Eclipse

    May 23, 2012

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    by

    Luca Zanini
    in Android

    Adding a file .jar from the menu of Eclipse, File -> Properties -> Java Build Path -> Libraries -> Add External JARs…, causes an error, the project compiles but at runtime you get the error “NoClassDefFoundError” as if the file .jar was missing in the project.

    Read more: How to add a file .jar to an Android project in Eclipse

  • Tab Layout in Android with ActionBar and Fragment

    May 16, 2012

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    by

    Luca Zanini
    in Android

    In a previous post I wrote an example of Layout Tab using a TabActivity class that it is deprecated since version 3.0 Honeycomb of Android.In this post I develop the same interface using ActionBar and Fragment, and I tried wherever possible to limit the changes to the files *.xml.

    Read more: Tab Layout in Android with ActionBar and Fragment

  • Tab Layout in Android

    May 13, 2012

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    by

    Luca Zanini
    in Android

    This post is an example of implementing a tab layout in Android using a TabActivity class.The TabActivity class is deprecated since version 3.0 Honeycomb, then you should use ActionBar as I’ll write in a next post.

    Read more: Tab Layout in Android

  • The access modifiers of methods and variables of a java class

    Apr 29, 2012

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    by

    Luca Zanini
    in Java

    In this article I explain how to set the visibility of methods and instance variables, ie those variables declared outside of any method (the variables declared within a method are called local variables and they are visible in the method only).

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  • The modifiers of a Java class

    Apr 25, 2012

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    by

    Luca Zanini
    in Java

    The modifiers of a Java class are: public abstract final strictfp

    Read more: The modifiers of a Java class

  • Dynamic TableLayout in Android

    Apr 22, 2012

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    by

    Luca Zanini
    in Android

    In this post I explain how to implement in runtime a table with rows and columns without using a XML file. To display the borders of the TextView I use the method illustrated here.

    Read more: Dynamic TableLayout in Android

  • Setting MyBatis in Spring

    Apr 17, 2012

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    by

    Luca Zanini
    in Java

    MyBatis, a free software distributed under the Apache License 2.0, helps to connect Spring with relational databases using XML or annotations.Here’s a simple example loading a jsp page to display data from a mysql table.

    Read more: Setting MyBatis in Spring

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