By Godfrey Nolan
Android most sensible Practices through Godfrey Nolan indicates you ways to make your Android apps stick out from the gang with nice stories. Why accept simply making any Android app? construct a super Android app as a substitute that we could your clients compliment it for ease of use, larger functionality, and extra. utilizing a sequence of instance apps which progressively evolve all through this e-book, Android most sensible Practices brings jointly present Android most sensible practices from consumer interface (UI)/user event (UX) layout, test-driven improvement (TDD), and layout styles (e.g., MVC) that will help you take your app to the subsequent point. during this e-book you will tips on how to: - Use Android layout styles for constant UI adventure on many units - Use agile concepts reminiscent of test-driven improvement, behavior-driven improvement, and non-stop integration - increase the rate and performance of your app - set up an Android app utilizing layout styles reminiscent of MVC/MVP - Create and eat relaxation and cleaning soap net prone Designing and constructing an app that runs good on many if now not the entire best Android smartphones and capsules this day will be the most daunting demanding situations for Android builders. good, this e-book takes a lot of the secret out of that for you. After studying and utilizing Android most sensible Practices, you will turn into a far better Android app fashion designer and developer, which in flip could make your apps higher positioned and extra winning available in the market place. Read more...
summary: Android top Practices via Godfrey Nolan indicates you the way to make your Android apps stick out from the gang with nice studies. Why accept simply making any Android app? construct an excellent Android app as a substitute that we could your clients compliment it for ease of use, greater functionality, and extra. utilizing a sequence of instance apps which steadily evolve all through this publication, Android top Practices brings jointly present Android top practices from consumer interface (UI)/user adventure (UX) layout, test-driven improvement (TDD), and layout styles (e.g., MVC) that can assist you take your app to the subsequent point. during this booklet you will easy methods to: - Use Android layout styles for constant UI event on many units - Use agile concepts equivalent to test-driven improvement, behavior-driven improvement, and non-stop integration - increase the rate and performance of your app - manage an Android app utilizing layout styles corresponding to MVC/MVP - Create and eat relaxation and cleaning soap internet companies Designing and constructing an app that runs good on many if now not the entire prime Android smartphones and capsules this present day should be probably the most daunting demanding situations for Android builders. good, this e-book takes a lot of the secret out of that for you. After interpreting and utilizing Android most sensible Practices, you will develop into an improved Android app fashion designer and developer, which in flip could make your apps larger positioned and extra winning out there position
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2. Click the Update Heap button to enable heap information for the process. 3. Click Cause GC in the Heap tab to invoke garbage collection, which enables the collection of heap data. 4. When garbage collection completes, you will see a group of object types and the memory that has been allocated for each type. 58 CHAPTER 3: Performance 5. Click an object type in the list to see a bar graph that shows the number of objects allocated for a particular memory size in bytes. 6. Click Cause GC again to refresh the data.
The Android SDK ships with the following tools to help us identify any performance issues: DDMS Traceview Lint Hierarchy Viewer Viewer The Dalvik Debug Monitor Server (DDMS) is an Android SDK application that works as either a standalone tool or an Eclipse plugin. DDMS does lots of things, including device screen capture and providing a place to find logging output. But it also provides heap analysis, method allocation, and thread monitoring information. The Android SDK also has the Traceview tool for method profiling, layoutopt for optimizing your XML layouts, and Hierarchy Viewer for optimizing your UI.
Android also sometimes replaces library methods with optimized hand-coded assembler. arraycopy() method is about nine times faster than a hand-coded loop. CHAPTER 3: Performance 47 Use StrictMode. To limit the chance of an Android Not Responsive (ANR) error, it helps to not include any slow network or disk access in the applications main thread. Android provides a utility called StrictMode, which is typically used to detect if there are any unwanted disk or network accesses introduced into your application during the development process.