Smartphones based on Android are designed in such a way that many processes continue to function even after you minimize the window or press the Home button. This is necessary for quick operation of instant messengers, receiving notifications and synchronizing data, but often leads to unnecessary consumption of battery power and RAM. Users often notice that the device heats up or quickly discharges, not suspecting that hidden software is the culprit.
Understanding this what applications are running in the backgroundis the first step to optimizing the performance of your gadget. Unlike desktop systems, where the task manager is always visible, in the mobile ecosystem these processes are often hidden from the eyes of the average user. However, the system provides built-in developer tools and special settings menus that allow you to get a complete picture of what is happening.
In this article we will analyze in detail all the ways to identify background processes: from standard battery settings to advanced debugging tools. You will learn to distinguish between system services and third-party software, and also learn how to safely limit the activity of unnecessary apps without the risk of damaging the operating system.
Standard viewing through the battery settings menu
The easiest and most accessible way to see the activity of apps is to use the built-in energy consumption statistics. Modern shells MIUI, One UI and clean Android provide detailed reports on how long the application was active or running in the background. To do this, you need to go to the section Settings → Battery → Battery usage.
Here you will see a list of all apps, sorted by the amount of energy consumed. By clicking on a specific app, the system will show a detailed breakdown: screen time, background time, and standby time. If you see that a messenger or a game has been running in the background for several hours, although you have not used it, this is a clear signal to action.
However, it is worth remembering that this method only shows the consequences of the work, and not the process itself in real time. Statistics are accumulated over a certain period (usually a day or a week), so they are not suitable for instantly identifying the “culprit” of the brakes right now.
⚠️ Attention: System services, such as
Google Play ServicesorAndroid system interfacewill always be displayed in the energy consumption list. Do not try to forcefully stop them, as this may disrupt notifications and account synchronization.
If you see an application that you have not used, but it was wasting a lot of energy in the background, try clearing its cache before disabling background work. Sometimes this solves the problem without limiting the functionality.
Using developer mode for monitoring
For those who want to see processes in real time, there is a special section "For developers". It's hidden by default, but it only takes a few seconds to activate. To enable this mode, you need to go to Settings → About phone and quickly click 7 times on the item Build number. After a message appears that you have become a developer, a new section will appear in the main settings menu.
Inside the developers menu we are interested in the item Running services (or Running Services). This screen shows a list of all currently active processes, the amount of RAM they are using and how long they have been running continuously. Both user applications and system daemons are displayed here.
The interface of this section may differ depending on the version Android. On older versions, it was possible to directly stop services here, but in modern versions (since Android 8.0s) this function is often limited or removed for system security reasons. However, monitoring remains accessible and informative.
- 📱 Active applications: Shows apps that have user-visible components or are actively performing tasks.
- 💾 Usage RAM: Displays how many megabytes of memory each process is using right now.
- ⏱️ Running time: Indicator of how long the process remains in memory without restarting.
Analysis through special diagnostic menus
Many smartphone manufacturers, such as Xiaomi, Samsung and Huaweiare introducing their own diagnostic tools that go deeper than stock Android settings. These utilities often allow you not only to view the list of processes, but also to control their autorun. For example, in the shell MIUI there is a section Applications → Permissions → Autorunwhere you can clearly see which apps are allowed to start with the system.
In devices Samsung s shell One UI you can use the function Device optimization. It automatically scans background processes and suggests ending those that are consuming resources unnecessarily. In addition, in the menu Device care → Battery → Background restrictions you can configure sleep mode for specific applications.
For owners of a clean one Android (Pixel, Motorola) a useful tool is the menu Digital Wellbeing. Although it is designed to control screen time, the tab Control Panel allows you to see the frequency of application launches and set timers that actually limit their background activity once the limit is exhausted.
⚠️ Attention: Shell interfaces are constantly updated. If you do not find the specified menu, use the search in the settings by entering the keywords “autorun”, “background processes” or “restrictions”.
Forced stopping and limiting background activity
Having discovered an unnecessary application, the user often wonders: how to stop it? The most radical method is Force stop. Go to Settings → Applications, select the desired software and press the button Stop. This will completely kill the process, but it may restart automatically the next time the system starts or when a push notification is received.
A softer and more effective way is to use functions Limit background activity. In the application information menu, find the item Battery and select mode Limited (or Energy saving). In this mode, the system will block the application from running in the background until you open it manually. Notifications from such apps will not be received.
For mission-critical applications that must always run (for example, an alarm clock or a sleep tracker), you should select a mode No restrictions. This ensures that the system does not “kill” a process to save power, even if the battery is low.
☑️ Check before restriction
Comparison of process control methods
Various methods of monitoring and managing background tasks have their advantages and disadvantages. The choice of method depends on your goal: whether you just want to look at statistics, find the cause of the discharge, or completely disable the app. Below is a table to help you navigate the tools.
| Method | Informativeness | Ability to stop | Difficulty of access |
|---|---|---|---|
| Battery menu | High (statistics) | Indirect (through restrictions) | Low |
| For developers | Maximum (real time) | Limited / Absent | Average |
| Special. menu (MIUI/OneUI) | Medium | High (autorun control) | Low |
| ADB commands | Maximum | Full | High |
As can be seen from the table, for the average user the most convenient is the combination of the battery menu and special shell settings. Developer mode is more useful for diagnosing complex cases when the phone slows down for no apparent reason.
The optimal strategy is to use the battery menu to identify “guzzling” applications, and then limit their background activity through permission settings, rather than through a forced stop.
Advanced control through ADB and third-party utilities
For users who want to gain absolute control over the system, there is a tool Android Debug Bridge (ADB). By connecting your smartphone to your computer, you can enter commands that display a list of all processes with detailed information about resource consumption. The command adb shell dumpsys meminfo will show a detailed report on the memory of each application.
There are also third-party monitor applications such as GSam Battery Monitor or BetterBatteryStats. They require special access rights (via ADB or root), but they provide much deeper analytics than standard system tools. With their help, you can track wakelocks sleep locks that do not allow the processor to go into sleep mode.
adb shell dumpsys cpuinfo | grep -i"application_name"This command will allow you to filter information about the CPU load of a specific application. This approach is indispensable when searching for apps that cause the device to overheat. However, using third-party monitoring software itself consumes resources, so you should install them only during diagnostics.
⚠️ Attention: Using ADB commands requires caution. Incorrect termination of system processes may result in device reboot or data loss. Always check the package name before entering the stop command.
What are Wakelocks?
Wakelock is a mechanism that allows an application to keep the processor in an active state, preventing the phone from going to sleep. A common reason for rapid discharge at night is an application that keeps wakelock due to an error in the code or incorrect GPS operation.
Frequently asked questions (FAQ)
Why does the application continue to run in the background, even if I closed it?
Modern operating systems do not deliberately kill applications completely when minimized, in order to ensure fast launch the next time you open it and delivery of notifications. In addition, many services have auto-restart mechanisms if their process has been terminated by the system.
Is it safe to disable auto-start for all applications?
No, not for all. Disabling auto-start for instant messengers (Telegram, WhatsApp) will result in you not receiving messages until you open the application manually. You should only disable software that does not require constant communication with the server (calculators, offline games, photo editors).
Does a large number of background applications affect Internet speed?
Yes, it can. If multiple applications simultaneously synchronize data, download updates, or send analytics, this puts a strain on the communication channel. This can lead to increased ping in games or slower loading of pages in the browser.
How to find out which application is slowing down the system?
Use the section For developers → Running services or the ADB command dumpsys cpuinfo. Look for processes with a high percentage of CPU usage when the phone is not being actively used. Often the culprits are advertising modules in free applications.
Do you need to install Task Killers applications?
In modern versions of Android this is not recommended. The system itself effectively manages memory. Forced termination of processes by third-party utilities forces the system to spend even more energy on restarting them, which ultimately reduces autonomy.