By Dave Smith, Erik Hellman
Discover greater than a hundred down-to-earth code recipes, protecting a variety of worthwhile issues utilizing whole and real-world operating code examples. This publication is up to date to incorporate the Android N SDK (7.0), in addition to prior releases.
Crammed with insightful guideline and priceless examples, this 5th variation of Android Recipes is your consultant to writing apps for certainly one of today’s most well liked cellular structures. It bargains pragmatic suggestion to help you get the activity performed fast and good. this may prevent loads of paintings over making a undertaking from scratch.
Instead of summary descriptions of advanced recommendations, in Android Recipes you can find dwell code examples. if you begin a brand new venture you could give some thought to copying and pasting the code and configuration records from this publication after which editing them in your personal customization wishes.
What you will Learn
- Code for Android smartphones and tablets
- Use exterior libraries to avoid wasting time and effort
- Boost app functionality by utilizing the Android NDK and RenderScript
- Design apps for functionality, responsiveness, and seamlessness
- Send facts among units and different exterior hardware
- Persist software info and percentage it among applications
- Capture and play again a variety of machine media items
- Communicate with net services
- Get the main from your person interface
Who This publication Is For
All Android app developers.
Read or Download Android Recipes: A Problem-Solution Approach PDF
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Extra info for Android Recipes: A Problem-Solution Approach
Listings 1-25 through 1-27 show layouts to be used for the default, landscape, and tablet configurations of the UI. Listing 1-25. com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" >
We can customize the transition animations individually to create custom effects. Take a look at Listing 1-23, where we add some custom transitions to the previous activity. Listing 1-23. DISAPPEARING, disappearAnim); // Override the default change with a more animated slide // We animate several properties at once, so we create an // animation out of multiple PropertyValueHolder objects. // This animation slides the views in and temporarily shrinks // the view to half size. WRAP_CONTENT)); } } In this example, we have modified the APPEARING, DISAPPEARING, and CHANGE_DISAPPEARING transition animations for our Button layout.
Each new button is outfitted with the ability to remove itself from the layout when it is tapped. In order to animate this process, all we need to do is set android:animateLayoutChanges="true" on the LinearLayout, and the framework does the rest. By default, a new button will fade in to its new location without disturbing the other views, and a removed button will fade out while the surrounding items slide in to fill the gap. We can customize the transition animations individually to create custom effects.