- 1 How to know the details of Logcat file errors on Android?
- 2 What is the format of the messages that the Logcat tool displays?
- 3 Know the details of Logcat file errors on Android
The Android platform has the “Logcat” tool that records all the activities of your mobile device. The Logcat file is relevant for developers because it facilitates an accurate search for faults. If you wonder How to know the details of Logcat file errors on Android? pay attention to this interesting article.
How to know the details of Logcat file errors on Android?
Sometimes mobile phone malfunctions occur that cannot be identified with the naked eye. These failures arise from problems in the operating system or during the running certain applications. Therefore, it is convenient to know what the problem or error is before proceeding to apply a respective solution.
If your device has problems, you can choose to unlock bootloader on Android or restart the device in safe mode. As it is important to know the origin of the fault, here we explain what it consists of Logcat on Android and two ways to know the details of the errors that the Logcat file saves in Android.
What is Logcat on Android?
Logcat is a tool for ADB commands to generate a message log on Android devices. Logcat is very useful for developers because it allows them to use the log to examine the health of the phone and some problems that occur at the software level.
What is Logcat for?
Logcat is used to register in second plan all the actions that are executed on a mobile device. The tool covers not only internal messages but also system errors that are not visible to users. Therefore, users can troubleshoot problems and errors in Android when they alter the performance of the device.
What is the format of the messages that the Logcat tool displays?
Logcat can refer messages with a identifier and a priority of the record. Also, this tool can generate nine different types of messages that contain one letter.
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In this sense, W (Warning) pops up as a warning message, E (error) refers to an error message, F (fatal) displayed when there are serious errors. I (Info) are the information messages, D (Debug) understands messages for debugging programs and V (Verbose) they are the messages with the lowest priority.
Use Logcat from your Android device
If you want to access the Logcat tool from your Android device, you need to install the ADB application on your computer. Later, connect the device to the USB drive so that your computer detects the component. On your phone, you must activate the developer options and choose the option “USB debugging”.
Run the following command: adb logcat> logcat.txt from the ADB Shell and confirm the permissions on your mobile device. The logcat tool will record all the activities that have been carried out. When this process is done, press Ctrl + C in the terminal. You will thus obtain a “logcat” file that stores all the faults.
Know the details of Logcat file errors on Android
Knowing the details about file errors Logcat on Android It can be tremendously useful especially when we do not know the origin of a fault that alters the operation of our device.
Access the Logcat file from an application
If you want to know the details that have been stored in the Logcat file you can download the App Logcat Viewer which you must access as “root” user or with permissions granted by ADB.
Access the Logcat file from the ADB Shell
Also, it is possible to access the Logcat file from the ADB shell. But before doing so, it is important that you know what it is and how to use ADB commands on Android. Once you follow this step, you must go to the folder where ADB was installed and open a command line by pressing the right mouse click and the “shift” key in an empty space in the ADB folder.
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Access the log to know the details of the errors in the Logcat file
Connect the device to the computer through the port USB and write adb logcat *: E in the ADB Shell. Parameter E will allow only error messages to be filtered.
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