Capture logcat to file

This is best done after you've experienced a bug that you want to tell the developer about, in a situation where you haven't rebooted since. So when you're ready, type the following command and press Enter. After a few moments, your logcat will be generated and saved as a text file. You'll find the file in the platform-tools folder inside of your Android SDK installation directory, and it will be named "logcat. When you're sending your bug report to the developer, simply attach this file in your email, and the developer will be able to get a clear picture of what went wrong.

If you're a rooted user , you have the luxury of being able to avoid ADB altogether, since a nice, simple root app can capture a logcat for you at the press of a button. There are several apps on the Play Store that claim to be able to capture a logcat without root, but these are only compatible with Android 3. Since The best such app we've found is called [ROOT] aLogcat , and it's completely free, so head to the following link to get it installed:.

Once you've installed the app, simply open it up and tap "Grant" on the superuser access request. Then, once you've reproduced the bug that you'd like to report, tap the three-dot menu button and choose "Save" to generate a copy of your logcat. The logcat will be saved as a text file in the aLogcat folder on your SD card or internal storage, so when you're ready to submit your bug report, simply attach this file in the email.

What issues were you experiencing that necessitated capturing a logcat? Get a lifetime subscription to VPN Unlimited for all your devices with a one-time purchase from the new Gadget Hacks Shop , and watch Hulu or Netflix without regional restrictions, increase security when browsing on public networks, and more.

In Windows 10 os you might be lazy like me and use powershell. Connect and share knowledge within a single location that is structured and easy to search. I've added debug strings using Log. The "save" icon for LogCat has a "Save selected items" hint, but there's got to be a quick way to just save the entire contents, or select the entire contents, but I don't see how to do it. To save the Log cat content to the file, you need to redirect to the android sdk's platform tools folder and hit the below command.

In Android Studio, version 3. In addition to answer by Dinesh Prajapati , Use. More information about logcat here. Use logcat tool with -d or -f switch and exec method.

The -d option indicates that you are dumping the current contents and then exiting. An additional tip if you want only the log shown in the past half hour with timestamps, or within another set time. Adjust date format to match your system. This one works on Ubuntu This opens a continuous output stream between logcat and the file provided. This can result in a deadlock if you then waitFor the Process returned by exec, or an exception if the provided file is prematurely disposed.

I found that including the "-d" flag simply dumps logcat and closes the connection, which prevents the above behavior. If you are in the console window for the device and if you use Teraterm, then from the Menu do a File Log and it will automatically save to file. Click in the logcat window on a log even. Then paste it anywhere you like using any editor you like.

One could also delete the logcat output before the logs relevant to us appear before we start testing our use case to get only relevant logs in the logcat. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. How to save LogCat contents to file? Ask Question. Asked 10 years, 1 month ago.

Active 11 months ago. Viewed k times. Non-rooted device:. Download ADB portable:. Open Launcher. On your device, enable USB-debugging and connect to your computer. Launch CMD or Powershell and type the command to output logcat to file.

Always use quotes if the path contains spaces. Reproduce the problem on your device in order to grab the interesting errors in logcat. Nothing will appear in the prompt while outputting to file. The file will be saved. Rooted device:. There are many different apps of logcat reader. Just install MatLog.