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Pro Android Media: Developing Graphics, Music, Video, and by Shawn Van Every PDF

By Shawn Van Every

ISBN-10: 1430232676

ISBN-13: 9781430232674

Cellular units have evolved to concentration on rich media construction and intake. builders of cellular functions may be able to create functions that permit humans to play, catch, and share media in various new methods on cellular units. the recognition of Android has soared partly as the platform bargains builders a wealthy set of features together with entry to media taking pictures and playback functions.   

Pro Android Media provides concise and transparent guide on tips to make the most of the media APIs made to be had via Android to create dynamic apps. It takes you from an easy ability to achieve entry to the digital camera to complicated video catch and sharing examples. It additionally covers sound, photos, portray, and more—everything you must make your app come "alive."

After examining this ebook, the app you create will showcase the easiest of multimedia that Android has to supply.
What you’ll learn:
* advance snap shots, song, video and wealthy media apps for Android smartphones and tablets 
* construct touchscreen enter gains into Android apps that permit clients to attract, paint, and do different artistic varieties of enter
* flip the Android cellphone right into a complete fledged media participant
* combine and use location-based prone and media-related internet carrier APIs

Who this publication is for:
This publication is aimed basically on the growing to be marketplace of Android builders. it really is written in this kind of manner that it can be utilized by people who find themselves conversant in Android, yet don't have any event constructing purposes that care for photos, audio, or video.

Table of Contents
* advent to Android Imaging
* construction customized digital camera purposes
* photograph enhancing and Processing
* images and contact occasions
* creation to Audio on Android
* heritage and Networked Audio
* Audio catch
* Audio Synthesis and research
* creation to Video
* complex Video
* Video trap
* Media intake and Publishing utilizing internet providers

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Extra info for Pro Android Media: Developing Graphics, Music, Video, and Rich Media Apps for Smartphones and Tablets

Sample text

Since most CHAPTER 1: Introduction to Android Imaging applications will use the default MediaStore, we can leverage that to build our own gallery application. Selecting from the MediaStore is very straightforward. We use the same URI that we used to create a new record, to select records from it. EXTERNAL_CONTENT_URI The MediaStore and, in fact, all content providers operate in a similar manner to a database. We select records from them and are given a Cursor object, which we can use to iterate over the results.

Next, let’s look at how we can extend this application, implementing features that don’t exist in the built-in camera application. Extending the Custom Camera Application Download from Wow! com> In my opinion, the built-in camera application on Android is missing a few essential features. One of those is the ability to take a picture after a small amount of time, say 10 or 30 seconds. This feature is generally useful with a camera that can be mounted on a tripod. One thing it enables is the ability for a photographer to set up a shot, set the timer, and then run into the shot.

Auto-focus may be triggered by calling the autoFocus method on the Camera object, passing in an instance of this callback interface. ErrorCallback: Defines an onError method, which is called when a Camera error occurs. There are two constants that can be compared with the passed-in error code: CAMERA_ERROR_UNKNOWN and CAMERA_ERROR_SERVER_DIED. OnZoomChangeListener: Defines a method, onZoomChange, which is called when a “smooth zoom” (slow zoom in or out) is in progress or completed. 2 (API level 8).

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Pro Android Media: Developing Graphics, Music, Video, and Rich Media Apps for Smartphones and Tablets by Shawn Van Every

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