Android Performance(6) Pixel Perfect

本文介绍如何利用PixelPerfect工具进行UI布局检测,包括显示屏幕放大图片、从像素级别检查排版、加载布局文件图片及面板功能介绍。

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 转载请注明:http://blog.youkuaiyun.com/liaoqianchuan00/article/details/23550419

概述

Pixel Perfect用来检测UI布局。他会显示当前屏幕的一个放大的图片,

l   你可以从像素级别来检查你的排版布局。

l   你也可以根据一个设计好的布局文件图片来排版布局。点击load an image to overlay the screenshot就可以了。

功能

你可以从window->open perspective->other->pixel perfect来打开这个面板。

View object 面板:

这个面板列出了一个从系统到你的应用程序的结构化的view object 表,你可以展开某一项来查看他得子视图,当你选择一个视图的时候,在pixel perfect面板中会以红色高亮显示。

Pixel perfect loupe面板

这是一个被放大了的设备屏幕图片。这个图片被分成很多个小方格,而每个小方格代表一个像素点。点击其中一个小方格,会在下方显示他的HTML颜色,RGB颜色值和坐标位置。

 

你可以通过移动Pixel perfect面板的十字叉来移动这个放大镜面板的位置。

 

你可以放大缩小这个面板。

 

Pixel perfect面板

显示当前设备的屏幕,用蓝色的十字叉来定位位置,点击拖拽来移动视图。

 

在View object面板中选中的对象,会在Pixel perfect面板中以红色框表明白,而该对象的兄弟对象和父对象会用浅绿色标示(这个地方我发现没有,谁知道为什么,谢谢指明下)。既不是兄弟也不是父子关系的会用白色框标示。

 

我的环境中,浅绿色表示出了marging的区域,而蓝色标示出了padding区域。

 

 

可以点击设置自动刷新的频率。


参考

http://developer.android.com/tools/debugging/debugging-ui.html#pixelperfect

05-20
### Google Pixel 6 Specifications and Features The Google Pixel 6 series represents a significant leap forward in terms of design, performance, and camera capabilities compared to its predecessors. Below is an overview of the key specifications and features: #### Design and Display - **Design**: The Pixel 6 comes with a bold new industrial design featuring a distinctive camera bar across the back panel[^1]. It offers vibrant color options like Stormy Black, Sorta Sage, and Kinda Coral. - **Display**: Equipped with a 6.4-inch Full HD+ OLED display operating at a smooth 90Hz refresh rate[^1], ensuring fluid animations and responsiveness. #### Processor and Performance - **Processor**: Powered by Google's first custom Tensor chip, designed specifically for machine learning tasks and enhanced security[^1]. - **RAM**: Comes with 8GB of RAM, providing ample memory for multitasking and running demanding applications smoothly. #### Camera System - **Rear Cameras**: A dual-lens setup consisting of a 50MP main sensor (with support for up to 4K video recording) and a 12MP ultra-wide lens allows users to capture detailed photos under various conditions. - **Front Camera**: Boasts an impressive 8MP front-facing shooter ideal for selfies and video calls. #### Software Experience - **Operating System**: Ships with Android 12 out-of-the-box, offering innovative privacy controls, personalized theming via Material You, and seamless integration into the larger Google ecosystem. - **Security Updates**: Guaranteed timely monthly updates directly from Google for several years after purchase. #### Battery Life - **Battery Capacity**: Includes a substantial 4614mAh battery capable of lasting through heavy daily usage scenarios while supporting fast charging technologies[^1]. #### Additional Highlights - **Water Resistance**: Rated IP68 against dust ingress and water immersion making it suitable even during adverse weather conditions. ```python print("Google Pixel 6 Specifications:") specifications = { 'Design': ['Bold Industrial', 'Stormy Black/Sorta Sage/Kinda Coral'], 'Display': ['6.4-inch FHD+', 'OLED @90Hz'], 'Processor': ['Custom Tensor Chip'], 'RAM': ['8GB'], 'Camera Setup': [ {'rear': [{'main': '50MP'}, {'ultra-wide': '12MP'}]}, {'front': '8MP'} ], 'Software': ['Android 12 w/Material You'], 'Battery': ['4614mAh'] } for category, details in specifications.items(): print(f"{category}: {details}") ```
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