Download Building Hybrid Android Apps with Java and JavaScript: by Nizamettin Gok, Nitin Khanna PDF

Posted On March 3, 2017 at 12:54 pm by / Comments Off on Download Building Hybrid Android Apps with Java and JavaScript: by Nizamettin Gok, Nitin Khanna PDF

By Nizamettin Gok, Nitin Khanna

Build HTML5-based hybrid purposes for Android with a mixture of local Java and JavaScript elements, with no utilizing third-party libraries and wrappers akin to PhoneGap or Titanium. This concise, hands-on ebook takes you thru the complete method, from establishing your improvement atmosphere to deploying your product to an app store.

easy methods to create apps that experience entry to local APIs, corresponding to place, vibrator, sensors, and the digicam, utilizing a JavaScript/Java bridge—and decide upon the language that offers you greater functionality for every activity. in case you have event with HTML5 and JavaScript, you’ll fast notice why hybrid app improvement is the wave of the future.
• arrange a improvement atmosphere with HTML, CSS, and JavaScript instruments
• Create your first hybrid Android undertaking, utilizing Eclipse IDE
• Use the WebView keep an eye on to host your hybrid software
• discover hybrid software structure, together with JavaScript/Java communique
• construct single-page purposes, utilizing JavaScript libraries resembling spine and Underscore
• Get optimization tips and important snippets for CSS, DOM, and JavaScript
• Distribute your program to Google Play and the Amazon Appstore

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Additional info for Building Hybrid Android Apps with Java and JavaScript: Applying Native Device APIs

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HardwareAccelerated Specifies whether a hardware-accelerated OpenGL renderer is available for ren‐ dering the activity. The rendered graphics are smoother and optimized for visual performance. However, this may cause additional CPU consumption.

The qualifier allows Android to pick up files based on device capabilities; it is a predefined suffix that you can add after drawable to help Android will pick the right resources based on the device. In the previous example, ldpi is low dpi, and for devices that have very low density screens, images will be picked up from here. More details on resource resolution can be found at the Android Supporting Multiple Screen website. 42 | Chapter 3: Android Fundamentals res/layout{qualifier} Screen layouts in Android are XML files.

Use of hardware-accelerated graphics is a CPU-intensive operation and can lead to higher battery use. Having said that, since not all 2D operations are optimized for hardware acceleration, Google recommends that you test your app to make sure it is stable when this feature flag is turned on. android:theme Android features a highly customizable user interface wherein you can customize different aspects of the UI by overriding platform style values using XML files. This tag allows developers to specify a style resource that describes the overall visual design for the application.

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