But the brightness of OLED screens largely determines how much dark mode saves battery life, said Hu, who has been researching ways to improve the energy efficiency of smartphones since they first hit the market over a decade ago. The software tools that Hu and his team have developed are based on new patent-pending power modeling technology they invented to more accurately estimate the power draw of OLED phone displays.
Hu and his team built a tool that app developers can use to determine the energy savings of a certain activity in dark mode as they design an app. The tool, called a Per-Frame OLED Power Profiler (PFOP), is based on the more accurate OLED power model that the team developed. The Purdue Research Foundation Office of Technology Commercialization has applied for a patent on this power modeling technology. Both PFOP and the power modeling technology are available for licensing.
SAMSUNG TOOL – THE-DARK-TEAM
By omitting external lighting, OLED display significantly reduces the power draw compared to its predecessor LCD and has gained wide adoption in modern smartphones. The real potential of OLED in saving phone battery drain lies in exploiting app UI color design, i.e., how to design app UI to use pixel colors that result in low OLED display power draw. In this paper, we design and implement an accurate per-frame OLED display power profiler, PFOP, that helps developers to gain insight into the impact of different app UI design on its OLED power draw, and an enhanced Android Battery that helps phone users to understand and manage phone display energy drain, for example, from different app and display configurations such as dark mode and screen brightness. A major challenge in designing both tools is to develop an accurate and robust OLED display power model. We experimentally show that linear-regression-based OLED power models developed in the past decade cannot capture the unique behavior of OLED display hardware in modern smartphones which have a large color space and propose a new piecewise power model that achieves much better modeling accuracy than the prior-art by applying linear regression in each small regions of the vast color space. Using the two tools, we performed to our knowledge the first power saving measurement of the emerging dark mode for a set of popular Google Android apps.
The study also mentions that Android's battery consumption details do not take dark mode into account, so the team developed a tool called "Android Battery+" which does. The researchers want to open source their display profiling tool and also add the Android Battery+ feature into AOSP.
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Frankly, this situation of seeing free tools like Theme Park (which is part of Good Lock, and at the same time is developed by or for Samsung) as unfair competition to those of us who do the work as a source of income. They even offer better features, such as working with dark mode and no compatibility issues as it happens to us with all the bugs we have to report.
The company further said it took a number of steps as part of its incident response measures, including disabling impacted tools, rotating keys to the services, locking down codebase, and also blocking compromised employee accounts from accessing Uber systems or alternatively issuing a password reset for those accounts.
That said, the alleged teen hacker is said to have downloaded some unspecified number of internal Slack messages and information from an in-house tool used by its finance team to manage certain invoices.
The fact that threat actors are banking on attack paths such as adversary-in-the-middle (AiTM) proxy toolkits and MFA fatigue (aka prompt bombing) to trick an unsuspecting user into inadvertently handing over One-Time Passcode (OTP) or authorizing an access request signals the need to adopt phishing-resistant methods.
Employees at Samsung used to communicate via email or instant messenger, much like workers at other companies. Though convenient, these methods were insufficient when it came to having topic-specific discussions in a timely manner. Jeong had been considering alternatives to address this issue when, in 2018, she tested out Slack at the recommendation of her colleague. She found it to be a one-stop solution to all the limitations of other tools.
As with all software companies, Samsung is particularly careful when it comes to security as it develops its IT products, including the Samsung Galaxy. The company is extremely cautious when adopting external tools or software, as was the case when the Framework R&D Group first started using Slack. But after experiencing Slack firsthand, Jeong knew that more groups could benefit from it. So she began proposing the idea to upper management and other divisions. The fact that many other recognized companies with rigorous security protocols had already implemented Slack was her primary selling point.
All tools need to be tested out by leaders themselves in order for them to identify any drawbacks and anticipate potential benefits and side effects in advance. Even a highly beneficial tool can initially be met with objections. Leaders are responsible for designing an appropriate incentive system to build cohesiveness in situations like that.
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