By Dave Smith
Android Recipes, Fourth variation offers greater than a hundred down-to-earth code recipes, and courses you step by step via a variety of beneficial themes utilizing whole and real-world operating code examples. This publication is up to date to incorporate the Android 5.0 SDK, in addition to previous releases.
Instead of summary descriptions of complicated options, in Android Recipes, you will discover dwell code examples. if you begin a brand new venture you could contemplate copying and pasting the code and configuration documents from this booklet after which editing them in your personal customization needs.
Crammed with insightful guideline and priceless examples, this fourth variation of Android Recipes is your advisor to writing apps for one in all today’s most popular cellular structures. It bargains pragmatic suggestion that can assist you get the activity performed quick and good. this may prevent loads of paintings over making a undertaking from scratch!
Android remains to be one of many best cellular OS and improvement structures riding modern day cellular techniques and the apps surroundings. Android seems complicated, yet bargains numerous prepared improvement kits to these getting into Android with differing programming language ability sets.
What youll learn
- Code for Android smartphones and tablets
- Use exterior libraries to save lots of time and effort
- Boost app functionality by utilizing the Android NDK and RenderScript
- Design apps for functionality, responsiveness, and seamlessness
- Send info among units and different exterior hardware
- Persist software facts and proportion it among applications
- Capture and play again numerous machine media items
- Communicate with net services
- Get the main from your consumer interface
Who this publication is for
This ebook is a convenient reference for all Android app builders.
Table of Contents
1. Layouts and Views
2. consumer Interaction
3. Communications and Networking
4. Interacting with equipment and Media
5. Persisting Data
6. Interacting with the System
7. photos and Drawing
8. operating with Android NDK and Renderscript
Read Online or Download Android Recipes: A Problem-Solution Approach for Android 5.0 PDF
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Additional resources for Android Recipes: A Problem-Solution Approach for Android 5.0
TextImageButton displayed in both text and image modes 1-11. Customizing Transition Animations Problem Your application needs to customize the transition animations that happen when moving from one activity to another or between fragments. Solution (API Level 5) To modify an activity transition, use the overridePendingTransition() API for a single occurrence, or declare custom animation values in your application’s theme to make a more global change. To modify a fragment transition, use the onCreateAnimation() or onCreateAnimator() API methods.
In this example, we use getItem() to get the current value at that position in the list (our array of strings), and then later we set that value on the TextView for that row. We can also set the images in each row to something significant for the data, although here they are set to the app icon for simplicity. 1-9. Making ListView Section Headers Problem You want to create a list with multiple sections, each with a header at the top. Solution (API Level 1) We can achieve this effect by building a custom list adapter that leverages multiple view type support.
This gives more of an effect that the coin is being tossed into the air. Since the coin must also come back down, the animation is set to run once in reverse after it completes. Listing 1-20 shows this new animation attached to the flipper activity. Listing 1-20. onTouchEvent(event); } } In this case, we’ve used an AnimatorInflater to construct the AnimatorSet object from our XML. ofFloat() did for us implicitly. We also still need our AnimatorUpdateListener to determine when to switch from heads to tails, but that cannot be applied to a set object.
Android Recipes: A Problem-Solution Approach for Android 5.0 by Dave Smith