Know which applications use battery

Wakelock detector antes

Know which applications use battery
– Take a look at these tips, tricks, and solution you can use to make your life much easier with your devices whenever problems arrive and complications which you may find difficult to deal with.

His name may be a bit scary but don’t worry. It is a very simple application to use and understand how it works. Wakelock Detector is available completely free of charge on the Play Store. It requires ROOT to work (if you don’t know what this is, see below how it can be used WITHOUT root). It can help us in an easy and effective way to know which are the Android applications that are using the most battery.

Wakelock Detector (working with ROOT)

The name of the application tells us that it is a Wakelocks detector, of course. Now what is a Wakelock, is the most obvious question. In simple terms, it is a “command” that an application gives to the processor of the Android device to keep it awake, active or running (CPU Wakelock). Applications can also generate this type of command to the screen to keep it on (Screen Wakelock).

Thus, this detector allows us to know which applications are using this command to keep the CPU or the screen active. And how many times do they behave like this. This allows us to determine practically which are the applications that are wearing down the precious battery of an Android mobile the most, by require activation of both resources.

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Wakelock Detector warns which applications activate the screen or CPU on their own

After what has been explained, there is no mystery in how this application is used. When we open it, we can easily see which applications are using the processor or screen Wakelock the most. It also helps to know which are the applications that make a Wakelock “spontaneously”. Even when they are not open or running (Wakelock Launchers). Additionally you can see the applications that are running and their number of Wakelocks. You can also sort the apps in alphabetical order or by the number of times they have used a Wakelock.

Once we have determined which are the applications that consume the most energy using this information, we can take action in this regard. Uninstall them, for example. You can also choose to freeze them with an application like SD Maid, which we have already reviewed previously. Another option is to hibernate them, using an app like Greenify. Everything will depend on how often we use the applications that we have found the most abusive.

Find out how long the cell phone is “awake” consuming battery

An important note: at the top of the app interface we are offered relevant information that is worth mentioning. There we can see how long the device has been active or “awake” consuming battery (orange section). You can also see how long you have been in rest or deep sleep without the applications consuming power (green section). Check the pictures below. The before (when using this application to make an analysis) and after taking the necessary actions indicated in the previous paragraph. Putting it to the test on my Samsung Galaxy S3.

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Wakelock detector beforeWakelock detector after

The savings were notable after that. I have achieved a minimum of 2 to 3 hours of additional charge.

According to the developer, after its installation it is advisable to have sufficient battery charge and wait at least two hours before obtaining reliable data from the application.

Wakelock detector can seem like a complicated application just by hearing its name; it is not as we have seen here. If there is any doubt about what it does, a fairly timely FAQ can be found in the application settings options. Regarding its effectiveness, it is really the best that can be found as a resource to IDENTIFY the applications that are most used. eat Android battery. If the correct actions are taken after finding out that, we can achieve significant battery savings.

Upgrade: In Android KitKat this application now requires the phone to have Root to use. This is due to the changes in the permissions made by Google in this version of Android, according to the developer.

Wakelock Detector SIN root

Wakelock Detector works without root on Android 4.3 and lower versions. In Android 4.4 or higher it is necessary to use the Wakelock Detector version LITE (link cited below). You also have to perform a special procedure for this app to work without root. Do not be scared, because it is quite simple. And it is worth it, because as indicated throughout the article, thanks to it you will be able to see precisely what the cell phone battery is running out of.

Before starting, what you will need is a computer with the Chrome browser installed.

Requirements:

Procedure:

  • Connect the cell phone with the PC using the USB cable.
  • In the chrome browser, run the Unlocker for Wakelock Detector app (type chrome://apps in the address bar to find it).
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  • If you see something like the image above, tap on the “Grant Battery Stats” button. Once that is done, check that the “Successfully granted” notice appears below.
  • After that, open the Wakelock Detector Lite application on your Android and you will be able to see the battery usage statistics.

Wakelock Detector running without root on a Samsung Galaxy S7 Edge with Android 7.0 Nougat.

WLD without root manual method

If the above procedure does not work for you (you get the warning “No devices” or something like that), the alternative is to activate the application using text commands. To do this, you will need the ADB software on the PC and have everything configured to send commands to the cell phone. This article will help you. Then, connect the cell phone to the PC with the USB cable, open the ADB tool and you must send the following command:

adb shell pm grant com.uzumapps.wakelockdetector.noroot android.permission.BATTERY_STATS

You can also use the command adb tcpip 5555

With that, the application should start to show the statistics.

Descargar

Wakelock Lite free (SIN root): Play Store

Wakelock Lite Full (root requerido): Play Store

How to prevent background apps on Android 7+ (NO root)

The screen is running out of your cell phone’s battery, but there is a solution

How WiFi influences battery consumption and how to control it


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