Download Android Programming Pushing the Limits by Erik Hellman PDF

By Erik Hellman

When you already comprehend your manner round the Android OS and will construct an easy Android app in lower than an hour, this publication is for you. If you’re itching to determine simply how a ways you could push it and become aware of what Android is absolutely in a position to, it’s for you. And if you’re able to the right way to construct complicated, intuitive, cutting edge apps which are a blast to exploit, this e-book is well for you. From customized perspectives and complicated multi-touch gestures, to integrating on-line internet companies and exploiting the newest geofencing and task acceptance positive aspects, ace Android developer, Erik Hellman, provides professional counsel, methods and little-known innovations for pushing the Android envelope so that you can: Optimize your parts for the smoothest person adventure attainable Create your individual customized perspectives Push the bounds of the Android SDK grasp Android Studio and Gradle Make optimum use of the Android audio, video and snap shots APIs software in Text-To-Speech and Speech acceptance 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 companies Distribute and promote your functions on Google Play shop tips on how to unharness the ability of Android and remodel your apps from solid to nice in Android Programming: Pushing the boundaries.

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Concurrent. locks package provides exactly that support. unlock(); } } // Repeated for mAge and mAddress… } The preceding code exemplifies where to use a ReentrantReadWriteLock that allows read-only access from multiple concurrent threads while making sure that only one thread at a time can write to the same data. Using synchronized in your code is still a valid way of handling locks, but always consider whether a ReentrantReadWriteLock could be a more efficient solution. Memory Management and Allocations The automatic memory management in Java has effectively eliminated many of the most common bugs in software development.

Figure 1-9 shows how you can change all the parts of a method signature as well as all the places where it’s used in your code. 28 Part I: Building a Better Foundation Figure 1-8 Extracting a repeated value to a constant in Android Studio Figure 1-9 Changing a method signature in Android Studio Chapter 1: Fine-Tuning Your Development Environment 29 Extracting the Method from Code Block It’s good practice to keep methods small to make code more readable and allow for more efficient reuse of the code.

Figure 1-3 Breakpoint reached when debugging sample application in Android Studio When a breakpoint is reached, you can inspect the state of the application at that specific point. All variables accessible in that scope are listed in the debugger UI in the IDE. While debugging applications, you can change the value of a variable in the current scope without having to restart the application and change the assignment in the code, which is useful for testing how an application works depending on different input values.

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