As expected, this week held Google I / O 2015 developer conference, Google has finally released a new Android M operating system. Although the conference Google simply mentioned several important features, but its official upgrade log is a few pages long. The good news is, Android M developer preview version has been officially pushed, all using the pro-son phone Nexus 5, Nexus 6 and Nexus 9 and other users have been able to experience directly ahead.
In addition to the application's permissions, variable internal storage and external storage outside the black theme, Google Android M were also discussed some of the new power management improvements. As we all know, life has been the focus of mobile devices users are most concerned about, many manufacturers have tried this as a major selling point, which Google had described in detail in each generation its own Android system for endurance efforts.
Google Android to enhance the life of the new measures
Android M among the important measures to enhance the life of a project called Doze (nap) of the new features, users do not use the phone, enabling the device to enter the ultra-low power deep sleep. The use of multiple sensors to Doze inside the machine, in particular motion detection sensor, sensing the phone is in frequent use or idle. If the user turns on Doze mode, once the machine is idle or on the desktop, then the phone will automatically sleep.
In Doze mode, almost all of the systems operating on Android devices will automatically stop, including background tasks, the machine almost completely asleep, no Wi-Fi network scanning feature does not work synchronization, network access is also prohibited, only have a priority Level function can activate the phone, such as telephone and information, even if most of the daily "greedy" notice and reminders will still be banned push bright screen. But in theory, part of the application or function, still allowed to perform certain tasks in Doze mode. For example, the clock will continue to point the alarm will sound.
Interestingly, there are three applications by default whitelist Doze mode. Needless to guess the three applications must be the official Google applications, including Google Play service, Play store and download manager. Even so, Nexus 9 can be renewed twice life. Since a lot of things under the Doze mode is not allowed, then the official version of Android M, whether Google will provide a high priority black list of options it? Allows the user to control and adjust the factors that affect the life of the real.
Doze mode is really useful?
Google under specific internal details of Doze mode and did not elaborate, but we must suspect that prolong the standby time can be achieved only doubles battery life is obviously somewhat reasonable. In order to lower power consumption Doze should actually can do more than stand, such as silently kill some of the stand-still "misconduct" of applications, especially in the most power-hungry battery record that part of the application, and does not allow Most applications for any reason to wake the phone.
As Doze is how to determine and adjust the application, we will clear.But it is certain that still occupy the background of serious application of daily garbage is not used, bound in Doze mode is disabled. For some applications are not used, it may be resized to the standby state, not completely prohibit network.
Doze in fact, there are many issues worthy of discussion. In order to extend the life time of the screen when closed, Android M will constantly monitor the user's activity, and testing equipment over a period of time if there is movement. So, stop detect whether certain power consumption will increase it? At the same time, what this specific standard test is it? Walking in your pocket but does not use a mobile phone, you can open Doze model? Opening time is how long? How lag situation? The effect is obvious?On these issues, only more so in the future upgrade to Android M machine after testing, have further conclusive.
Up to now, we are now the only sure thing is that the Android M equipment left unused, its Doze mode is enabled and battery life will be greatly increased, even doubled standby time.
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