By Kyle Mew, Rick Boyer
The Android OS has the biggest set up base of any working process on the planet; there hasn't ever been a greater time to profit Android improvement to jot down your individual functions, or to make your individual contributions to the open resource community!
This “cookbook” will make it effortless so that you can leap to an issue of curiosity and get what you want to enforce the characteristic on your personal program. while you're new to Android and study most sensible via “doing,” then this ebook will supply many issues of interest.
Starting with the fundamentals of Android improvement, we circulation directly to extra complex innovations, and we'll advisor you thru universal initiatives builders fight to resolve. the 1st few chapters disguise the fundamentals together with actions, Layouts, Widgets, and the Menu. From there, we disguise fragments and information garage (including SQLite), gadget sensors, the digital camera, and GPS. Then we stream on extra complicated themes reminiscent of snap shots and animation (including OpenGL), multi-threading with AsyncTask, and web performance with Volley. We'll additionally reveal Google Maps and Google Cloud Messaging (also referred to as Push Notifications) utilizing the Google API Library.
Finally, we'll look at a number of on-line providers designed specially for Android improvement. Take your software big-time with complete net internet prone with no need to turn into a server admin by means of leveraging the facility of Backend as a provider (BaaS) services.
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Extra info for Android Application Development Cookbook Second Edition
How to do it... 1. xml file and change it as follows:
When using vertical orientation with the LinearLayout, the child Views are created in a single column (stacked on top of each other). The first two Views use the android:layout_ height="wrap_content" attribute, giving them a single line each. editTextMessage uses the following to specify the height: android:layout_height="0dp" android:layout_weight="1" When using the LinearLayout, it tells Android to calculate the height based on the weight. A weight of 0 (the default if not specified) indicates the View should not expand.
Otherwise, you could create a list of countries to populate a ListView, which will then create a button for each entry. We will create an example, using the second approach, to populate a ListView from an array of country names. Getting ready Create a new project in Android Studio and call it ListView. The default ActivityMain class extends the Activity class. We will change it to extend the ListActivity class instead. We will then create a simple string list and bind it to the ListView, to derivate the buttons at runtime.
Android Application Development Cookbook Second Edition by Kyle Mew, Rick Boyer