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Bluetooth is one of the most popular methods of data transmission for smart devices. It connects with smart devices through mobile app s to obtain measurement data on devices. We can see it everywhere in our life, such as Bluetooth smart bracelet, Bluetooth electronic scales, Bluetooth ECG measurement equipment and so on. In this article, ...

Implementation of NPC Intelligent Robot by Behavior Designer Created by miccall miccall.tech ) Realization of Object Following Camera Vision Motion 1. VR Realizes Robot Navigation In the project, a robot is required to follow the role and fly all the time, just like an elf, always around the protagonist, moving, turning, and movi ...

Google has tried to introduce the AppOpsManager dynamic rights management model since 4.3, but since the technology feels premature, this feature has been hidden in the Release version, so the official Rom has never had a dynamic rights management mechanism.Until Android 6.0, in order to simplify the installation process and facilitate user con ...

In android mobile phone'Settings'-'Mobile Network Type', you can see the options about network type, generally default to 3G priority.  If you need to switch the network type of friends in the program, you might as well try the following methods. Several ideas are provided here, although they may be addressed. ...

1. First, how to access Baidu Map 1) Open Baidu Map and Open Platform Website first. Find the relevant download module and download the SDK packages as required. I chose "Download All" here. 2) Next, it is necessary to apply for the key on the website, and the application procedure can see the official documents. Application key 3) Ac ...

Some time ago, when I was writing and playing, I used a positioning library, but I always failed to get the location successfully. Instead, I changed my mobile phone and got it again. Considering that the version of two mobile phones can not locate is 6.0, and the other is 4.4, so there should be no permission. This is true when you look at th ...

Opening chapter If you pay attention to the catalogue, you will know that composition is a new beginning.In the process of system code design, we organize code through inheritance, parent class and subclass, which correspond to the overall specification and specific requirements of the business. Therefore, we need to combine classes according t ...

Memory leak is one aspect of performance optimization that must be paid attention to. Leak Canary is an excellent tool for discovering memory leak. Today we will analyze how it works inside. Let's start with a few questions: When LeakCanary is integrated and installed on mobile phones, you will find that there is an additional LeakCanary icon ...

Copyright Statement: This article is the original article of the blogger. It can not be reproduced without the permission of the blogger. Reproduced at http://blog.csdn.net/htq__ The blogger wrote about Fragment's life cycle Activity and Fragment Life Cycle Explanation Fragment's life cycle is basically described in detail, but that' ...

In our development, when displaying the details of information, the background usually gives the html text, and the android side usually uses the webview control to display it. But the html text given by the background is usually used for the computer side, and there is no self-adapting mobile phone, which leads to the display of the picture o ...