Android Fragmentation Management How-to - download pdf or read online

By Gianluca Pacchiella

ISBN-10: 1782160868

ISBN-13: 9781782160861

Study whatever new immediately! a quick, speedy, centred advisor supplying instant effects. how you can write apps that paintings on any Android model able to use code to resolve any compatibility factor Get hands-on with the largest factor that faces Android builders.

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New PDF release: Android Fragmentation Management How-to

Examine whatever new right away! a quick, quickly, centred advisor offering fast effects. how to write apps that paintings on any Android model able to use code to unravel any compatibility factor Get hands-on with the most important factor that faces Android builders.

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Nothing new for everyone with experience in Java programming; this is plain Java, so it is completely available in all API levels. start(); } All seems ok, but when running this code, it results in an infamous exception appearing in the application's log: Only the original thread that created a view hierarchy can touch its views. This is because setImageBitmap() is executed in the thread created by us and not in the UI thread, violating the second rule expressed above (this is not allowed since the UI thread is not thread-safe, that is, it is not assured that concurrent access to an element doesn't cause problems).

If the API level of the platform is higher than the version declared by your app's targetSdkVersion, the system may enable compatibility behaviors to ensure that your app continues to work the way you expect. You can disable such compatibility behaviors by specifying targetSdkVersion to match the API level of the platform on which it's running. info Instant Android Fragmentation Management How-to For the Eclipse users, it's possible to set these values initially from the Android projects creation wizard: The targetSdkVersion is Build SDK as set in the shown dialog.

Its definition is particular. It uses generics; that is, there are some parameters indicated with Params, Progress, and Result that identify the signature of some functions used internally to manage threads. In particular, AsyncTask has four methods as follows: ff void onPreExecute(): Its role is to set up the task. ): This is the core of the AsyncTask class and your code has to be written here. Just after onPreExecute() is terminated, a background thread is created for the execution of this function.

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Android Fragmentation Management How-to by Gianluca Pacchiella

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