Download Android Programming Pushing the Limits by Erik Hellman PDF

By Erik Hellman

For those who already recognize your manner round the Android OS and will construct an easy Android app in lower than an hour, this ebook is for you. If you’re itching to determine simply how some distance you could push it and notice what Android is de facto in a position to, it’s for you. And if you’re able to the right way to construct complex, intuitive, leading edge apps which are a blast to take advantage of, this ebook is easily for you. From customized perspectives and complex multi-touch gestures, to integrating on-line net prone and exploiting the newest geofencing and task popularity positive aspects, ace Android developer, Erik Hellman, grants professional information, tips and little-known ideas for pushing the Android envelope so that you can: Optimize your elements for the smoothest consumer adventure attainable Create your personal customized perspectives Push the limits of the Android SDK grasp Android Studio and Gradle Make optimum use of the Android audio, video and photos APIs application in Text-To-Speech and Speech reputation utilize the recent Android maps and site API Use Android connectivity applied sciences to speak with distant units practice heritage processing Use Android cryptography APIs locate and appropriately use hidden Android APIs Cloud-enable your purposes with Google Play prone Distribute and promote your purposes on Google Play shop tips on how to unharness the facility of Android and rework your apps from strong to nice in Android Programming: Pushing the bounds.

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JIT compilation, also known as dynamic translation, takes the byte-code and translates it into native code prior to execution (see Figure 2-1), which has two major benefits. First, it eliminates much of the overhead associated with pure interpreted VMs; second, it can perform optimizations to the native code that wouldn’t be possible with statically compiled code. For instance, the JIT compiler may choose the most appropriate optimizations for the CPU it is currently running. It’s also possible for a JIT compiler to analyze how the code is running to perform further optimizations based on the application’s input.

Remember that lint warnings are there for a purpose. They indicate areas that are potential bugs, so always carefully consider whether you really want to suppress the warning. It’s often better to leave the warning in place rather than remove it, as a reminder that it should be dealt with later. 26 Part I: Building a Better Foundation Figure 1-6 Warning suppressed in Java source Figure 1-7 Warning suppressed in XML source Chapter 1: Fine-Tuning Your Development Environment 27 Refactoring Your Code When you write code, you rarely get it perfect on the first try.

Figure 1-10 Extracting a block of code to a separate method in Android Studio There are many more refactoring options available in the IDE. I recommend that you become familiar with all of these as they will make you a more productive developer. html. Developer Options on Android Devices In the Settings application on your Android device, you can find the Developer Menu. Depending on which version of Android you’re running, this can present different options. Also, some device manufacturers may add their own settings in the Developer menu.

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